teslacrypt | 5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a

Analysis

max time kernel
152s
max time network
160s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
01-08-2022 16:11

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General

Target

5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe
Size

384KB
MD5

644eaa7c99fcca51c624bff49d8c3050
SHA1

69d8df44b7f8b9eeceeb2473757d90f82189a867
SHA256

5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a
SHA512

0c8ee8ba29aac9bd9c9d2cb9ca8dd80bb9eb321d48874a7a3662491038f7611df3f0cb79bca3d84084acfdbd6b5cdb4ca33b2f68dd5f2118ba14227e2639f84a

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-4084403625-2215941253-1760665084-1000\Recovery+whtwn.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/E3179BAC255FD9B 2. http://kkd47eh4hdjshb5t.angortra.at/E3179BAC255FD9B 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/E3179BAC255FD9B 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/E3179BAC255FD9B 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E3179BAC255FD9B http://kkd47eh4hdjshb5t.angortra.at/E3179BAC255FD9B http://ytrest84y5i456hghadefdsd.pontogrot.com/E3179BAC255FD9B *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/E3179BAC255FD9B

URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E3179BAC255FD9B

http://kkd47eh4hdjshb5t.angortra.at/E3179BAC255FD9B

http://ytrest84y5i456hghadefdsd.pontogrot.com/E3179BAC255FD9B

http://xlowfznrg4wf7dli.ONION/E3179BAC255FD9B

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

pid	Process
1684	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe

Deletes itself 1 IoCs

pid	Process
988	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-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run	ovthhtqarcjw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\uefqyfwhngyh = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\ovthhtqarcjw.exe\""	ovthhtqarcjw.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1828 set thread context of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1684 set thread context of 544	1684	ovthhtqarcjw.exe	32

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ovthhtqarcjw.exe	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe
File opened for modification	C:\Windows\ovthhtqarcjw.exe	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.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 33 IoCs

pid	Process
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe
544	ovthhtqarcjw.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe
Token: SeDebugPrivilege	544	ovthhtqarcjw.exe
Token: SeIncreaseQuotaPrivilege	1728	WMIC.exe
Token: SeSecurityPrivilege	1728	WMIC.exe
Token: SeTakeOwnershipPrivilege	1728	WMIC.exe
Token: SeLoadDriverPrivilege	1728	WMIC.exe
Token: SeSystemProfilePrivilege	1728	WMIC.exe
Token: SeSystemtimePrivilege	1728	WMIC.exe
Token: SeProfSingleProcessPrivilege	1728	WMIC.exe
Token: SeIncBasePriorityPrivilege	1728	WMIC.exe
Token: SeCreatePagefilePrivilege	1728	WMIC.exe
Token: SeBackupPrivilege	1728	WMIC.exe
Token: SeRestorePrivilege	1728	WMIC.exe
Token: SeShutdownPrivilege	1728	WMIC.exe
Token: SeDebugPrivilege	1728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1728	WMIC.exe
Token: SeRemoteShutdownPrivilege	1728	WMIC.exe
Token: SeUndockPrivilege	1728	WMIC.exe
Token: SeManageVolumePrivilege	1728	WMIC.exe
Token: 33	1728	WMIC.exe
Token: 34	1728	WMIC.exe
Token: 35	1728	WMIC.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 1828 wrote to memory of 944	1828	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	28
PID 944 wrote to memory of 1684	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	29
PID 944 wrote to memory of 1684	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	29
PID 944 wrote to memory of 1684	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	29
PID 944 wrote to memory of 1684	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	29
PID 944 wrote to memory of 988	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	30
PID 944 wrote to memory of 988	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	30
PID 944 wrote to memory of 988	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	30
PID 944 wrote to memory of 988	944	5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe	30
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 1684 wrote to memory of 544	1684	ovthhtqarcjw.exe	32
PID 544 wrote to memory of 1728	544	ovthhtqarcjw.exe	33
PID 544 wrote to memory of 1728	544	ovthhtqarcjw.exe	33
PID 544 wrote to memory of 1728	544	ovthhtqarcjw.exe	33
PID 544 wrote to memory of 1728	544	ovthhtqarcjw.exe	33

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe
"C:\Users\Admin\AppData\Local\Temp\5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Users\Admin\AppData\Local\Temp\5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe
  "C:\Users\Admin\AppData\Local\Temp\5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Windows\ovthhtqarcjw.exe
    C:\Windows\ovthhtqarcjw.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1684
  - - C:\Windows\ovthhtqarcjw.exe
      C:\Windows\ovthhtqarcjw.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:544
    - - C:\Windows\System32\wbem\WMIC.exe
        
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /noin teractive
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1728
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5BED0B~1.EXE
    3⤵
    - Deletes itself
    PID:988

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

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Downloads

C:\Windows\ovthhtqarcjw.exe

Filesize
384KB

MD5
644eaa7c99fcca51c624bff49d8c3050

SHA1
69d8df44b7f8b9eeceeb2473757d90f82189a867

SHA256
5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a

SHA512
0c8ee8ba29aac9bd9c9d2cb9ca8dd80bb9eb321d48874a7a3662491038f7611df3f0cb79bca3d84084acfdbd6b5cdb4ca33b2f68dd5f2118ba14227e2639f84a

Download Submit
C:\Windows\ovthhtqarcjw.exe

Filesize
384KB

MD5
644eaa7c99fcca51c624bff49d8c3050

SHA1
69d8df44b7f8b9eeceeb2473757d90f82189a867

SHA256
5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a

SHA512
0c8ee8ba29aac9bd9c9d2cb9ca8dd80bb9eb321d48874a7a3662491038f7611df3f0cb79bca3d84084acfdbd6b5cdb4ca33b2f68dd5f2118ba14227e2639f84a

Download Submit
C:\Windows\ovthhtqarcjw.exe

Filesize
384KB

MD5
644eaa7c99fcca51c624bff49d8c3050

SHA1
69d8df44b7f8b9eeceeb2473757d90f82189a867

SHA256
5bed0b42438cb4bcc5a5dc9a5c441ae97acbb2b09dc80ec9affe06e8589b482a

SHA512
0c8ee8ba29aac9bd9c9d2cb9ca8dd80bb9eb321d48874a7a3662491038f7611df3f0cb79bca3d84084acfdbd6b5cdb4ca33b2f68dd5f2118ba14227e2639f84a

Download Submit
memory/544-96-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/544-95-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/544-94-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-77-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-56-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-71-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-72-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-57-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-66-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/944-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1828-54-0x0000000075C91000-0x0000000075C93000-memory.dmp

Filesize
8KB

Download
memory/1828-69-0x0000000000240000-0x0000000000243000-memory.dmp

Filesize
12KB

Download
memory/1828-55-0x0000000000240000-0x0000000000243000-memory.dmp

Filesize
12KB

Download