teslacrypt | 34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26

Analysis

max time kernel
171s
max time network
178s
platform
windows7_x64
resource
win7-20220414-en
submitted
19/06/2022, 19:33

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General

Target

34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe
Size

344KB
MD5

09824e2affd2a72f2dd030ed4e7dae15
SHA1

33a6b92cd5dce872e24723372d4e49396ea7fd1b
SHA256

34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26
SHA512

e0439baf443011822d7ae70fee70cc95746521d7d66980a6e805704eeb54255bcd0e00b0ba041ef65d4aed0a60bf3eaaeabc2528903c8793b1ca43b39fdc8f0b

Score

10^/10

teslacrypt persistence ransomware suricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1083475884-596052423-1669053738-1000\Recovery+oewfp.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/97A646C491597319 2. http://tes543berda73i48fsdfsd.keratadze.at/97A646C491597319 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/97A646C491597319 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/97A646C491597319 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/97A646C491597319 http://tes543berda73i48fsdfsd.keratadze.at/97A646C491597319 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/97A646C491597319 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/97A646C491597319

URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/97A646C491597319

http://tes543berda73i48fsdfsd.keratadze.at/97A646C491597319

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/97A646C491597319

http://xlowfznrg4wf7dli.ONION/97A646C491597319

Signatures

TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
ransomware teslacrypt
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata
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

pid	Process
1248	juegxsqltthy.exe
1064	juegxsqltthy.exe

Deletes itself 1 IoCs

pid	Process
592	cmd.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	juegxsqltthy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\rfvyhetubsek = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\juegxsqltthy.exe\""	juegxsqltthy.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 876 set thread context of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 1248 set thread context of 1064	1248	juegxsqltthy.exe	31

Drops file in Program Files directory 11 IoCs

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

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\juegxsqltthy.exe	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe
File opened for modification	C:\Windows\juegxsqltthy.exe	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.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

pid	Process
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe
1064	juegxsqltthy.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe
Token: SeDebugPrivilege	1064	juegxsqltthy.exe
Token: SeIncreaseQuotaPrivilege	1700	WMIC.exe
Token: SeSecurityPrivilege	1700	WMIC.exe
Token: SeTakeOwnershipPrivilege	1700	WMIC.exe
Token: SeLoadDriverPrivilege	1700	WMIC.exe
Token: SeSystemProfilePrivilege	1700	WMIC.exe
Token: SeSystemtimePrivilege	1700	WMIC.exe
Token: SeProfSingleProcessPrivilege	1700	WMIC.exe
Token: SeIncBasePriorityPrivilege	1700	WMIC.exe
Token: SeCreatePagefilePrivilege	1700	WMIC.exe
Token: SeBackupPrivilege	1700	WMIC.exe
Token: SeRestorePrivilege	1700	WMIC.exe
Token: SeShutdownPrivilege	1700	WMIC.exe
Token: SeDebugPrivilege	1700	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1700	WMIC.exe
Token: SeRemoteShutdownPrivilege	1700	WMIC.exe
Token: SeUndockPrivilege	1700	WMIC.exe
Token: SeManageVolumePrivilege	1700	WMIC.exe
Token: 33	1700	WMIC.exe
Token: 34	1700	WMIC.exe
Token: 35	1700	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1700	WMIC.exe
Token: SeSecurityPrivilege	1700	WMIC.exe
Token: SeTakeOwnershipPrivilege	1700	WMIC.exe
Token: SeLoadDriverPrivilege	1700	WMIC.exe
Token: SeSystemProfilePrivilege	1700	WMIC.exe
Token: SeSystemtimePrivilege	1700	WMIC.exe
Token: SeProfSingleProcessPrivilege	1700	WMIC.exe
Token: SeIncBasePriorityPrivilege	1700	WMIC.exe
Token: SeCreatePagefilePrivilege	1700	WMIC.exe
Token: SeBackupPrivilege	1700	WMIC.exe
Token: SeRestorePrivilege	1700	WMIC.exe
Token: SeShutdownPrivilege	1700	WMIC.exe
Token: SeDebugPrivilege	1700	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1700	WMIC.exe
Token: SeRemoteShutdownPrivilege	1700	WMIC.exe
Token: SeUndockPrivilege	1700	WMIC.exe
Token: SeManageVolumePrivilege	1700	WMIC.exe
Token: 33	1700	WMIC.exe
Token: 34	1700	WMIC.exe
Token: 35	1700	WMIC.exe
Token: SeBackupPrivilege	1428	vssvc.exe
Token: SeRestorePrivilege	1428	vssvc.exe
Token: SeAuditPrivilege	1428	vssvc.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 876 wrote to memory of 964	876	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	27
PID 964 wrote to memory of 1248	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	28
PID 964 wrote to memory of 1248	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	28
PID 964 wrote to memory of 1248	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	28
PID 964 wrote to memory of 1248	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	28
PID 964 wrote to memory of 592	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	29
PID 964 wrote to memory of 592	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	29
PID 964 wrote to memory of 592	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	29
PID 964 wrote to memory of 592	964	34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe	29
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1248 wrote to memory of 1064	1248	juegxsqltthy.exe	31
PID 1064 wrote to memory of 1700	1064	juegxsqltthy.exe	32
PID 1064 wrote to memory of 1700	1064	juegxsqltthy.exe	32
PID 1064 wrote to memory of 1700	1064	juegxsqltthy.exe	32
PID 1064 wrote to memory of 1700	1064	juegxsqltthy.exe	32

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe
"C:\Users\Admin\AppData\Local\Temp\34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:876
- C:\Users\Admin\AppData\Local\Temp\34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe
  "C:\Users\Admin\AppData\Local\Temp\34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\juegxsqltthy.exe
    C:\Windows\juegxsqltthy.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Windows\juegxsqltthy.exe
      C:\Windows\juegxsqltthy.exe
      4⤵
      Executes dropped EXE
      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:1064
    - - C:\Windows\System32\wbem\WMIC.exe
        
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1700
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\34EB8F~1.EXE
    3⤵
    - Deletes itself
    PID:592

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1428

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

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\juegxsqltthy.exe

Filesize
344KB

MD5
09824e2affd2a72f2dd030ed4e7dae15

SHA1
33a6b92cd5dce872e24723372d4e49396ea7fd1b

SHA256
34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26

SHA512
e0439baf443011822d7ae70fee70cc95746521d7d66980a6e805704eeb54255bcd0e00b0ba041ef65d4aed0a60bf3eaaeabc2528903c8793b1ca43b39fdc8f0b

Download Submit
C:\Windows\juegxsqltthy.exe

Filesize
344KB

MD5
09824e2affd2a72f2dd030ed4e7dae15

SHA1
33a6b92cd5dce872e24723372d4e49396ea7fd1b

SHA256
34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26

SHA512
e0439baf443011822d7ae70fee70cc95746521d7d66980a6e805704eeb54255bcd0e00b0ba041ef65d4aed0a60bf3eaaeabc2528903c8793b1ca43b39fdc8f0b

Download Submit
C:\Windows\juegxsqltthy.exe

Filesize
344KB

MD5
09824e2affd2a72f2dd030ed4e7dae15

SHA1
33a6b92cd5dce872e24723372d4e49396ea7fd1b

SHA256
34eb8f0b11959038ac6728734e6c4bb66ee45487ec4487e066850b0e4279ab26

SHA512
e0439baf443011822d7ae70fee70cc95746521d7d66980a6e805704eeb54255bcd0e00b0ba041ef65d4aed0a60bf3eaaeabc2528903c8793b1ca43b39fdc8f0b

Download Submit
memory/876-66-0x0000000000350000-0x0000000000353000-memory.dmp

Filesize
12KB

Download
memory/876-54-0x0000000000350000-0x0000000000353000-memory.dmp

Filesize
12KB

Download
memory/964-69-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-74-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-64-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-68-0x0000000075E31000-0x0000000075E33000-memory.dmp

Filesize
8KB

Download
memory/964-62-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-70-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-55-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-60-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-58-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/964-56-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1064-90-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1064-91-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1064-92-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download