teslacrypt | 112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e

Analysis

max time kernel
46s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2022 07:59

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General

Target

112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe
Size

428KB
MD5

5199b690874c0baa375855e37789569e
SHA1

ce65f46da270330e66da4fa879932f091f01fcc9
SHA256

112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e
SHA512

0fab6da9d104884a4300317e9a00ee909995ce7bd6afb76bfdcd220543591ebc66c572c819029dfe30729538dd18930da95b34192a36da4509cdce0d85b2dbfb
SSDEEP

12288:RGWf3BWLqi/f3xF7PxqViWValazc5ICyPFblCJxfS6:PBSqi/fxWiWVQqJOR1

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2295526160-1155304984-640977766-1000\_RECoVERY_+dccdg.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/B0025B82F3E31CC 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B0025B82F3E31CC 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/B0025B82F3E31CC 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/B0025B82F3E31CC 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/B0025B82F3E31CC http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B0025B82F3E31CC http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/B0025B82F3E31CC *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/B0025B82F3E31CC

URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/B0025B82F3E31CC

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/B0025B82F3E31CC

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/B0025B82F3E31CC

http://xlowfznrg4wf7dli.ONION/B0025B82F3E31CC

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 1 IoCs

pid	Process
4704	wwalcgxiglbv.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	wwalcgxiglbv.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	wwalcgxiglbv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uyeapmvkxohb = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\wwalcgxiglbv.exe\""	wwalcgxiglbv.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\History.txt	wwalcgxiglbv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wwalcgxiglbv.exe	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe
File opened for modification	C:\Windows\wwalcgxiglbv.exe	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.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 50 IoCs

pid	Process
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe
4704	wwalcgxiglbv.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

description	pid	Process
Token: SeDebugPrivilege	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe
Token: SeDebugPrivilege	4704	wwalcgxiglbv.exe
Token: SeIncreaseQuotaPrivilege	3552	WMIC.exe
Token: SeSecurityPrivilege	3552	WMIC.exe
Token: SeTakeOwnershipPrivilege	3552	WMIC.exe
Token: SeLoadDriverPrivilege	3552	WMIC.exe
Token: SeSystemProfilePrivilege	3552	WMIC.exe
Token: SeSystemtimePrivilege	3552	WMIC.exe
Token: SeProfSingleProcessPrivilege	3552	WMIC.exe
Token: SeIncBasePriorityPrivilege	3552	WMIC.exe
Token: SeCreatePagefilePrivilege	3552	WMIC.exe
Token: SeBackupPrivilege	3552	WMIC.exe
Token: SeRestorePrivilege	3552	WMIC.exe
Token: SeShutdownPrivilege	3552	WMIC.exe
Token: SeDebugPrivilege	3552	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3552	WMIC.exe
Token: SeRemoteShutdownPrivilege	3552	WMIC.exe
Token: SeUndockPrivilege	3552	WMIC.exe
Token: SeManageVolumePrivilege	3552	WMIC.exe
Token: 33	3552	WMIC.exe
Token: 34	3552	WMIC.exe
Token: 35	3552	WMIC.exe
Token: 36	3552	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3552	WMIC.exe
Token: SeSecurityPrivilege	3552	WMIC.exe
Token: SeTakeOwnershipPrivilege	3552	WMIC.exe
Token: SeLoadDriverPrivilege	3552	WMIC.exe
Token: SeSystemProfilePrivilege	3552	WMIC.exe
Token: SeSystemtimePrivilege	3552	WMIC.exe
Token: SeProfSingleProcessPrivilege	3552	WMIC.exe
Token: SeIncBasePriorityPrivilege	3552	WMIC.exe
Token: SeCreatePagefilePrivilege	3552	WMIC.exe
Token: SeBackupPrivilege	3552	WMIC.exe
Token: SeRestorePrivilege	3552	WMIC.exe
Token: SeShutdownPrivilege	3552	WMIC.exe
Token: SeDebugPrivilege	3552	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3552	WMIC.exe
Token: SeRemoteShutdownPrivilege	3552	WMIC.exe
Token: SeUndockPrivilege	3552	WMIC.exe
Token: SeManageVolumePrivilege	3552	WMIC.exe
Token: 33	3552	WMIC.exe
Token: 34	3552	WMIC.exe
Token: 35	3552	WMIC.exe
Token: 36	3552	WMIC.exe
Token: SeBackupPrivilege	872	vssvc.exe
Token: SeRestorePrivilege	872	vssvc.exe
Token: SeAuditPrivilege	872	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4704	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe	81
PID 388 wrote to memory of 4704	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe	81
PID 388 wrote to memory of 4704	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe	81
PID 388 wrote to memory of 1136	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe	82
PID 388 wrote to memory of 1136	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe	82
PID 388 wrote to memory of 1136	388	112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe	82
PID 4704 wrote to memory of 3552	4704	wwalcgxiglbv.exe	84
PID 4704 wrote to memory of 3552	4704	wwalcgxiglbv.exe	84

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe
"C:\Users\Admin\AppData\Local\Temp\112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:388
- C:\Windows\wwalcgxiglbv.exe
  C:\Windows\wwalcgxiglbv.exe
  2⤵
  - 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:4704
- - C:\Windows\System32\wbem\WMIC.exe
    "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\112895~1.EXE
  2⤵
  PID:1136

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Windows\wwalcgxiglbv.exe

Filesize
428KB

MD5
5199b690874c0baa375855e37789569e

SHA1
ce65f46da270330e66da4fa879932f091f01fcc9

SHA256
112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e

SHA512
0fab6da9d104884a4300317e9a00ee909995ce7bd6afb76bfdcd220543591ebc66c572c819029dfe30729538dd18930da95b34192a36da4509cdce0d85b2dbfb

Download Submit
C:\Windows\wwalcgxiglbv.exe

Filesize
428KB

MD5
5199b690874c0baa375855e37789569e

SHA1
ce65f46da270330e66da4fa879932f091f01fcc9

SHA256
112895b420d604979ba6b78c756063f0c17146097a41795d0922c2a173415c7e

SHA512
0fab6da9d104884a4300317e9a00ee909995ce7bd6afb76bfdcd220543591ebc66c572c819029dfe30729538dd18930da95b34192a36da4509cdce0d85b2dbfb

Download Submit
memory/388-132-0x00000000022D0000-0x0000000002355000-memory.dmp

Filesize
532KB

Download
memory/388-133-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/388-141-0x00000000022D0000-0x0000000002355000-memory.dmp

Filesize
532KB

Download
memory/4704-146-0x0000000002060000-0x00000000020E5000-memory.dmp

Filesize
532KB

Download