teslacrypt | 2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd

General

Target

2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe
Size

348KB
MD5

96bf108af2eafc33969cfb9f8ace6a25
SHA1

f170c820fac79c4851061980b1eaa3318c3d2377
SHA256

2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd
SHA512

635d942a295da9b77fcd1e80864bf11a4fe7f6ea3075c152511be9b7e411af0ca11c67b99305ff9a40a99cc106ba613365c936f357b7e30376c7ddd01f1dc46c
SSDEEP

6144:tTyNbpChrXMCfgR0R42+YKHZaOMMQB6WCtQ+tugD3lmhcJvF:tTsparXN4g+HZafFE6gLlmhcJv

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\_ReCoVeRy_+emssj.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 RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 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://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D4ACFB41CD5935C 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D4ACFB41CD5935C 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/D4ACFB41CD5935C 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/D4ACFB41CD5935C 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D4ACFB41CD5935C http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D4ACFB41CD5935C http://yyre45dbvn2nhbefbmh.begumvelic.at/D4ACFB41CD5935C Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/D4ACFB41CD5935C

URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D4ACFB41CD5935C

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D4ACFB41CD5935C

http://yyre45dbvn2nhbefbmh.begumvelic.at/D4ACFB41CD5935C

http://xlowfznrg4wf7dli.ONION/D4ACFB41CD5935C

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:

gtedfrqbiyha.exe

pid process

1456 gtedfrqbiyha.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:

2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exegtedfrqbiyha.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	gtedfrqbiyha.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

gtedfrqbiyha.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\WINDOWS\CurrentVersion\RUN	gtedfrqbiyha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\roelrek = "C:\\Windows\\system32\\CMD.EXE /c start C:\\Windows\\gtedfrqbiyha.exe"	gtedfrqbiyha.exe

Drops file in Program Files directory 12 IoCs

Processes:

gtedfrqbiyha.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\an.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	gtedfrqbiyha.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	gtedfrqbiyha.exe

Drops file in Windows directory 2 IoCs

Processes:

2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe

description	ioc	process
File created	C:\Windows\gtedfrqbiyha.exe	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe
File opened for modification	C:\Windows\gtedfrqbiyha.exe	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.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 22 IoCs

Processes:

gtedfrqbiyha.exe

pid	process
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe
1456	gtedfrqbiyha.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exegtedfrqbiyha.exeWMIC.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe
Token: SeDebugPrivilege	1456	gtedfrqbiyha.exe
Token: SeIncreaseQuotaPrivilege	3652	WMIC.exe
Token: SeSecurityPrivilege	3652	WMIC.exe
Token: SeTakeOwnershipPrivilege	3652	WMIC.exe
Token: SeLoadDriverPrivilege	3652	WMIC.exe
Token: SeSystemProfilePrivilege	3652	WMIC.exe
Token: SeSystemtimePrivilege	3652	WMIC.exe
Token: SeProfSingleProcessPrivilege	3652	WMIC.exe
Token: SeIncBasePriorityPrivilege	3652	WMIC.exe
Token: SeCreatePagefilePrivilege	3652	WMIC.exe
Token: SeBackupPrivilege	3652	WMIC.exe
Token: SeRestorePrivilege	3652	WMIC.exe
Token: SeShutdownPrivilege	3652	WMIC.exe
Token: SeDebugPrivilege	3652	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3652	WMIC.exe
Token: SeRemoteShutdownPrivilege	3652	WMIC.exe
Token: SeUndockPrivilege	3652	WMIC.exe
Token: SeManageVolumePrivilege	3652	WMIC.exe
Token: 33	3652	WMIC.exe
Token: 34	3652	WMIC.exe
Token: 35	3652	WMIC.exe
Token: 36	3652	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3652	WMIC.exe
Token: SeSecurityPrivilege	3652	WMIC.exe
Token: SeTakeOwnershipPrivilege	3652	WMIC.exe
Token: SeLoadDriverPrivilege	3652	WMIC.exe
Token: SeSystemProfilePrivilege	3652	WMIC.exe
Token: SeSystemtimePrivilege	3652	WMIC.exe
Token: SeProfSingleProcessPrivilege	3652	WMIC.exe
Token: SeIncBasePriorityPrivilege	3652	WMIC.exe
Token: SeCreatePagefilePrivilege	3652	WMIC.exe
Token: SeBackupPrivilege	3652	WMIC.exe
Token: SeRestorePrivilege	3652	WMIC.exe
Token: SeShutdownPrivilege	3652	WMIC.exe
Token: SeDebugPrivilege	3652	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3652	WMIC.exe
Token: SeRemoteShutdownPrivilege	3652	WMIC.exe
Token: SeUndockPrivilege	3652	WMIC.exe
Token: SeManageVolumePrivilege	3652	WMIC.exe
Token: 33	3652	WMIC.exe
Token: 34	3652	WMIC.exe
Token: 35	3652	WMIC.exe
Token: 36	3652	WMIC.exe
Token: SeBackupPrivilege	1392	vssvc.exe
Token: SeRestorePrivilege	1392	vssvc.exe
Token: SeAuditPrivilege	1392	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exegtedfrqbiyha.exe

description	pid	process	target process
PID 4936 wrote to memory of 1456	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe	gtedfrqbiyha.exe
PID 4936 wrote to memory of 1456	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe	gtedfrqbiyha.exe
PID 4936 wrote to memory of 1456	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe	gtedfrqbiyha.exe
PID 1456 wrote to memory of 3652	1456	gtedfrqbiyha.exe	WMIC.exe
PID 1456 wrote to memory of 3652	1456	gtedfrqbiyha.exe	WMIC.exe
PID 4936 wrote to memory of 320	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe	cmd.exe
PID 4936 wrote to memory of 320	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe	cmd.exe
PID 4936 wrote to memory of 320	4936	2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe	cmd.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

gtedfrqbiyha.exe

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

C:\Users\Admin\AppData\Local\Temp\2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe
"C:\Users\Admin\AppData\Local\Temp\2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\gtedfrqbiyha.exe
  C:\Windows\gtedfrqbiyha.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:1456
- - C:\Windows\System32\wbem\WMIC.exe
    "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\2FAD5F~1.EXE
  2⤵
  PID:320

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1392

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\gtedfrqbiyha.exe

Filesize
348KB

MD5
96bf108af2eafc33969cfb9f8ace6a25

SHA1
f170c820fac79c4851061980b1eaa3318c3d2377

SHA256
2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd

SHA512
635d942a295da9b77fcd1e80864bf11a4fe7f6ea3075c152511be9b7e411af0ca11c67b99305ff9a40a99cc106ba613365c936f357b7e30376c7ddd01f1dc46c

Download Submit
C:\Windows\gtedfrqbiyha.exe

Filesize
348KB

MD5
96bf108af2eafc33969cfb9f8ace6a25

SHA1
f170c820fac79c4851061980b1eaa3318c3d2377

SHA256
2fad5fb99831e5e600023e5b015cba99a23cb7bfaba42e81ad2b2aa6cb8c7ecd

SHA512
635d942a295da9b77fcd1e80864bf11a4fe7f6ea3075c152511be9b7e411af0ca11c67b99305ff9a40a99cc106ba613365c936f357b7e30376c7ddd01f1dc46c

Download Submit
memory/320-145-0x0000000000000000-mapping.dmp

Download
memory/1456-137-0x0000000000000000-mapping.dmp

Download
memory/1456-144-0x0000000002180000-0x0000000002206000-memory.dmp

Filesize
536KB

Download
memory/3652-147-0x0000000000000000-mapping.dmp

Download
memory/4936-132-0x0000000002250000-0x00000000022D6000-memory.dmp

Filesize
536KB

Download
memory/4936-133-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/4936-146-0x0000000002250000-0x00000000022D6000-memory.dmp

Filesize
536KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads