teslacrypt | 5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b

General

Target

5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
Size

388KB
MD5

8c682c25f38b176d8cb6e493c32f3e35
SHA1

454a1e9d603a4c7b2ecdfa96da88e50e93ea7d27
SHA256

5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b
SHA512

d5a3ee9f81baea8df7d27dcae9963737594a74caf1fb3910bfd848afecdabab550c2a5a1f8f09d0eecf25be1dece608994152f4b895e4c372c153859361a016b

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2372564722-193526734-2636556182-1000\Recovery+fryqv.txt

Family

teslacrypt

Ransom Note

NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D2FCE422CD917BC3 2. http://kkd47eh4hdjshb5t.angortra.at/D2FCE422CD917BC3 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/D2FCE422CD917BC3 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser 3. Type in the address bar: xlowfznrg4wf7dli.onion/D2FCE422CD917BC3 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D2FCE422CD917BC3 http://kkd47eh4hdjshb5t.angortra.at/D2FCE422CD917BC3 http://ytrest84y5i456hghadefdsd.pontogrot.com/D2FCE422CD917BC3 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/D2FCE422CD917BC3

URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D2FCE422CD917BC3

http://kkd47eh4hdjshb5t.angortra.at/D2FCE422CD917BC3

http://ytrest84y5i456hghadefdsd.pontogrot.com/D2FCE422CD917BC3

http://xlowfznrg4wf7dli.ONION/D2FCE422CD917BC3

Signatures

TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
ransomware teslacrypt
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Executes dropped EXE 2 IoCs

Processes:

kycihrchwaol.exekycihrchwaol.exe

pid process

2208 kycihrchwaol.exe
3580 kycihrchwaol.exe

pid	process
2208	kycihrchwaol.exe
3580	kycihrchwaol.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

kycihrchwaol.exe5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	kycihrchwaol.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

kycihrchwaol.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Windows\CurrentVersion\Run	kycihrchwaol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kmuvpxxocnng = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\kycihrchwaol.exe\""	kycihrchwaol.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exekycihrchwaol.exe

description	pid	process	target process
PID 3888 set thread context of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 2208 set thread context of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe

Drops file in Program Files directory 64 IoCs

Processes:

kycihrchwaol.exe

description	ioc	process
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\de-DE\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\it-IT\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fi.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\bg-BG\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Triedit\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VGX\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kk.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Stationery\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\gu.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku-ckb.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\bg.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ar-SA\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fi-FI\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\es-ES\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sv-SE\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\en-US\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\es.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\es-MX\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\th-TH\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\fi.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\fr-FR\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\es-MX\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ug.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\it-IT\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\fr-FR\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Extensions\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\fr.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\vi.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\Recovery+fryqv.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\en-US.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tr.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\en-US\Recovery+fryqv.html	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\bn.pak	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\License.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hu-HU\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\System\ado\ja-JP\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\pl-PL\Recovery+fryqv.png	kycihrchwaol.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\Recovery+fryqv.txt	kycihrchwaol.exe

Drops file in Windows directory 2 IoCs

Processes:

5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe

description	ioc	process
File opened for modification	C:\Windows\kycihrchwaol.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
File created	C:\Windows\kycihrchwaol.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

kycihrchwaol.exe

pid	process
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe
3580	kycihrchwaol.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exekycihrchwaol.exeWMIC.exe

description	pid	process
Token: SeDebugPrivilege	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
Token: SeDebugPrivilege	3580	kycihrchwaol.exe
Token: SeIncreaseQuotaPrivilege	5092	WMIC.exe
Token: SeSecurityPrivilege	5092	WMIC.exe
Token: SeTakeOwnershipPrivilege	5092	WMIC.exe
Token: SeLoadDriverPrivilege	5092	WMIC.exe
Token: SeSystemProfilePrivilege	5092	WMIC.exe
Token: SeSystemtimePrivilege	5092	WMIC.exe
Token: SeProfSingleProcessPrivilege	5092	WMIC.exe
Token: SeIncBasePriorityPrivilege	5092	WMIC.exe
Token: SeCreatePagefilePrivilege	5092	WMIC.exe
Token: SeBackupPrivilege	5092	WMIC.exe
Token: SeRestorePrivilege	5092	WMIC.exe
Token: SeShutdownPrivilege	5092	WMIC.exe
Token: SeDebugPrivilege	5092	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5092	WMIC.exe
Token: SeRemoteShutdownPrivilege	5092	WMIC.exe
Token: SeUndockPrivilege	5092	WMIC.exe
Token: SeManageVolumePrivilege	5092	WMIC.exe
Token: 33	5092	WMIC.exe
Token: 34	5092	WMIC.exe
Token: 35	5092	WMIC.exe
Token: 36	5092	WMIC.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exekycihrchwaol.exekycihrchwaol.exe

description	pid	process	target process
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 3888 wrote to memory of 4476	3888	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
PID 4476 wrote to memory of 2208	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	kycihrchwaol.exe
PID 4476 wrote to memory of 2208	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	kycihrchwaol.exe
PID 4476 wrote to memory of 2208	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	kycihrchwaol.exe
PID 4476 wrote to memory of 4544	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	cmd.exe
PID 4476 wrote to memory of 4544	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	cmd.exe
PID 4476 wrote to memory of 4544	4476	5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe	cmd.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 2208 wrote to memory of 3580	2208	kycihrchwaol.exe	kycihrchwaol.exe
PID 3580 wrote to memory of 5092	3580	kycihrchwaol.exe	WMIC.exe
PID 3580 wrote to memory of 5092	3580	kycihrchwaol.exe	WMIC.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

kycihrchwaol.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	kycihrchwaol.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	kycihrchwaol.exe

C:\Users\Admin\AppData\Local\Temp\5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
"C:\Users\Admin\AppData\Local\Temp\5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Users\Admin\AppData\Local\Temp\5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe
  "C:\Users\Admin\AppData\Local\Temp\5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Windows\kycihrchwaol.exe
    C:\Windows\kycihrchwaol.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2208
  - - C:\Windows\kycihrchwaol.exe
      C:\Windows\kycihrchwaol.exe
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Adds Run key to start application
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:3580
    - - C:\Windows\System32\wbem\WMIC.exe
        
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /noin teractive
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:5092
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5B0F4F~1.EXE
    3⤵
    PID:4544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1

T1490

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Downloads

C:\Windows\kycihrchwaol.exe

Filesize
388KB

MD5
8c682c25f38b176d8cb6e493c32f3e35

SHA1
454a1e9d603a4c7b2ecdfa96da88e50e93ea7d27

SHA256
5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b

SHA512
d5a3ee9f81baea8df7d27dcae9963737594a74caf1fb3910bfd848afecdabab550c2a5a1f8f09d0eecf25be1dece608994152f4b895e4c372c153859361a016b

Download Submit
C:\Windows\kycihrchwaol.exe

Filesize
388KB

MD5
8c682c25f38b176d8cb6e493c32f3e35

SHA1
454a1e9d603a4c7b2ecdfa96da88e50e93ea7d27

SHA256
5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b

SHA512
d5a3ee9f81baea8df7d27dcae9963737594a74caf1fb3910bfd848afecdabab550c2a5a1f8f09d0eecf25be1dece608994152f4b895e4c372c153859361a016b

Download Submit
C:\Windows\kycihrchwaol.exe

Filesize
388KB

MD5
8c682c25f38b176d8cb6e493c32f3e35

SHA1
454a1e9d603a4c7b2ecdfa96da88e50e93ea7d27

SHA256
5b0f4f543457499cdd2025270dce5f0077d4e998165e581a37566a7717d0ae2b

SHA512
d5a3ee9f81baea8df7d27dcae9963737594a74caf1fb3910bfd848afecdabab550c2a5a1f8f09d0eecf25be1dece608994152f4b895e4c372c153859361a016b

Download Submit
memory/2208-141-0x00000000008B0000-0x00000000008B3000-memory.dmp

Filesize
12KB

Download
memory/2208-137-0x0000000000000000-mapping.dmp

Download
memory/3580-151-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3580-149-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3580-147-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3580-148-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3580-144-0x0000000000000000-mapping.dmp

Download
memory/3888-135-0x0000000000E10000-0x0000000000E13000-memory.dmp

Filesize
12KB

Download
memory/3888-130-0x0000000000E10000-0x0000000000E13000-memory.dmp

Filesize
12KB

Download
memory/3888-131-0x0000000000E10000-0x0000000000E13000-memory.dmp

Filesize
12KB

Download
memory/4476-140-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4476-143-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4476-136-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4476-134-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4476-133-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4476-132-0x0000000000000000-mapping.dmp

Download
memory/4544-142-0x0000000000000000-mapping.dmp

Download
memory/5092-150-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads