teslacrypt | 0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac

General

Target

0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe
Size

424KB
MD5

0f3d3d2005e3f5e5dad6470513e6ff0e
SHA1

f86f08d34889e9305b5dac5c0ada0b87a1918ebe
SHA256

0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac
SHA512

d38789f6070455fbde38e8fc77536901999d9cfc6f3f48393d8d37015b6174691bf35e87f25b169e67fd5a89db9599138f03dd69922119ec2b8bcb84afc83868
SSDEEP

12288:iqEXeMVG+C7QP2sFZ1u2iW4ZJSPhgYblCJxfS6:HEXeCG+uOLFDId2PhggOR1

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\_RECoVERY_+gujcb.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/8E156BFF5928A9D8 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8E156BFF5928A9D8 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/8E156BFF5928A9D8 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/8E156BFF5928A9D8 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/8E156BFF5928A9D8 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8E156BFF5928A9D8 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/8E156BFF5928A9D8 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/8E156BFF5928A9D8

URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/8E156BFF5928A9D8

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8E156BFF5928A9D8

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/8E156BFF5928A9D8

http://xlowfznrg4wf7dli.ONION/8E156BFF5928A9D8

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

Processes:

obmnbneellmp.exe

pid process

4608 obmnbneellmp.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:

obmnbneellmp.exe0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	obmnbneellmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

obmnbneellmp.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	obmnbneellmp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\brndwviahxhv = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\obmnbneellmp.exe\""	obmnbneellmp.exe

Drops file in Program Files directory 64 IoCs

Processes:

obmnbneellmp.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lv.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\va.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uk.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\Common Files\DESIGNER\_RECoVERY_+gujcb.png	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tt.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\_RECoVERY_+gujcb.png	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\_RECoVERY_+gujcb.html	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-cn.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hy.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lij.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ne.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\yo.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\_RECoVERY_+gujcb.html	obmnbneellmp.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\_RECoVERY_+gujcb.png	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nl.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\License.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hu.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\_RECoVERY_+gujcb.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\si.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\_RECoVERY_+gujcb.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\is.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sq.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\Common Files\DESIGNER\_RECoVERY_+gujcb.html	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mk.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nn.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sv.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	obmnbneellmp.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	obmnbneellmp.exe

Drops file in Windows directory 2 IoCs

Processes:

0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe

description	ioc	process
File created	C:\Windows\obmnbneellmp.exe	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe
File opened for modification	C:\Windows\obmnbneellmp.exe	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.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 32 IoCs

Processes:

obmnbneellmp.exe

pid	process
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe
4608	obmnbneellmp.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exeobmnbneellmp.exeWMIC.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe
Token: SeDebugPrivilege	4608	obmnbneellmp.exe
Token: SeIncreaseQuotaPrivilege	3620	WMIC.exe
Token: SeSecurityPrivilege	3620	WMIC.exe
Token: SeTakeOwnershipPrivilege	3620	WMIC.exe
Token: SeLoadDriverPrivilege	3620	WMIC.exe
Token: SeSystemProfilePrivilege	3620	WMIC.exe
Token: SeSystemtimePrivilege	3620	WMIC.exe
Token: SeProfSingleProcessPrivilege	3620	WMIC.exe
Token: SeIncBasePriorityPrivilege	3620	WMIC.exe
Token: SeCreatePagefilePrivilege	3620	WMIC.exe
Token: SeBackupPrivilege	3620	WMIC.exe
Token: SeRestorePrivilege	3620	WMIC.exe
Token: SeShutdownPrivilege	3620	WMIC.exe
Token: SeDebugPrivilege	3620	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3620	WMIC.exe
Token: SeRemoteShutdownPrivilege	3620	WMIC.exe
Token: SeUndockPrivilege	3620	WMIC.exe
Token: SeManageVolumePrivilege	3620	WMIC.exe
Token: 33	3620	WMIC.exe
Token: 34	3620	WMIC.exe
Token: 35	3620	WMIC.exe
Token: 36	3620	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3620	WMIC.exe
Token: SeSecurityPrivilege	3620	WMIC.exe
Token: SeTakeOwnershipPrivilege	3620	WMIC.exe
Token: SeLoadDriverPrivilege	3620	WMIC.exe
Token: SeSystemProfilePrivilege	3620	WMIC.exe
Token: SeSystemtimePrivilege	3620	WMIC.exe
Token: SeProfSingleProcessPrivilege	3620	WMIC.exe
Token: SeIncBasePriorityPrivilege	3620	WMIC.exe
Token: SeCreatePagefilePrivilege	3620	WMIC.exe
Token: SeBackupPrivilege	3620	WMIC.exe
Token: SeRestorePrivilege	3620	WMIC.exe
Token: SeShutdownPrivilege	3620	WMIC.exe
Token: SeDebugPrivilege	3620	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3620	WMIC.exe
Token: SeRemoteShutdownPrivilege	3620	WMIC.exe
Token: SeUndockPrivilege	3620	WMIC.exe
Token: SeManageVolumePrivilege	3620	WMIC.exe
Token: 33	3620	WMIC.exe
Token: 34	3620	WMIC.exe
Token: 35	3620	WMIC.exe
Token: 36	3620	WMIC.exe
Token: SeBackupPrivilege	224	vssvc.exe
Token: SeRestorePrivilege	224	vssvc.exe
Token: SeAuditPrivilege	224	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exeobmnbneellmp.exe

description	pid	process	target process
PID 4592 wrote to memory of 4608	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe	obmnbneellmp.exe
PID 4592 wrote to memory of 4608	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe	obmnbneellmp.exe
PID 4592 wrote to memory of 4608	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe	obmnbneellmp.exe
PID 4592 wrote to memory of 1296	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe	cmd.exe
PID 4592 wrote to memory of 1296	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe	cmd.exe
PID 4592 wrote to memory of 1296	4592	0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe	cmd.exe
PID 4608 wrote to memory of 3620	4608	obmnbneellmp.exe	WMIC.exe
PID 4608 wrote to memory of 3620	4608	obmnbneellmp.exe	WMIC.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

obmnbneellmp.exe

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

C:\Users\Admin\AppData\Local\Temp\0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe
"C:\Users\Admin\AppData\Local\Temp\0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\obmnbneellmp.exe
  C:\Windows\obmnbneellmp.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:4608
- - C:\Windows\System32\wbem\WMIC.exe
    "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\0BB7CF~1.EXE
  2⤵
  PID:1296

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:224

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\obmnbneellmp.exe

Filesize
424KB

MD5
0f3d3d2005e3f5e5dad6470513e6ff0e

SHA1
f86f08d34889e9305b5dac5c0ada0b87a1918ebe

SHA256
0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac

SHA512
d38789f6070455fbde38e8fc77536901999d9cfc6f3f48393d8d37015b6174691bf35e87f25b169e67fd5a89db9599138f03dd69922119ec2b8bcb84afc83868

Download Submit
C:\Windows\obmnbneellmp.exe

Filesize
424KB

MD5
0f3d3d2005e3f5e5dad6470513e6ff0e

SHA1
f86f08d34889e9305b5dac5c0ada0b87a1918ebe

SHA256
0bb7cfcf23251e17377c77f480b1237dc58aa79cf964ea3314b5008eb9d2c9ac

SHA512
d38789f6070455fbde38e8fc77536901999d9cfc6f3f48393d8d37015b6174691bf35e87f25b169e67fd5a89db9599138f03dd69922119ec2b8bcb84afc83868

Download Submit
memory/1296-140-0x0000000000000000-mapping.dmp

Download
memory/3620-147-0x0000000000000000-mapping.dmp

Download
memory/4592-132-0x00000000022A0000-0x0000000002325000-memory.dmp

Filesize
532KB

Download
memory/4592-133-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4592-141-0x00000000022A0000-0x0000000002325000-memory.dmp

Filesize
532KB

Download
memory/4608-137-0x0000000000000000-mapping.dmp

Download
memory/4608-146-0x00000000021C0000-0x0000000002245000-memory.dmp

Filesize
532KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads