teslacrypt | 543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb

Analysis

max time kernel
172s
max time network
175s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
25-07-2022 20:01

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General

Target

543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe
Size

368KB
MD5

0d3571a8ca8ef2fede9e3e11b8761582
SHA1

f2b0416e2afe93050816f62646ecae6080a9e559
SHA256

543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb
SHA512

1474d517cf92cd4dcec62bb656ae918f383fd4e146dd951c9613e7cb300870e32606c3607872bb17d84e2de5c13d23bf51bc16e8f2f576acd4bae9fe3e2b661c

Score

10^/10

teslacrypt persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3762437355-3468409815-1164039494-1000\_RECoVERY_+gmkad.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/6357AFB260F5AAC6 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6357AFB260F5AAC6 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/6357AFB260F5AAC6 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/6357AFB260F5AAC6 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/6357AFB260F5AAC6 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6357AFB260F5AAC6 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/6357AFB260F5AAC6 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/6357AFB260F5AAC6

URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/6357AFB260F5AAC6

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6357AFB260F5AAC6

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/6357AFB260F5AAC6

http://xlowfznrg4wf7dli.ONION/6357AFB260F5AAC6

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

Processes:

xpikpifqaqsw.exexpikpifqaqsw.exe

pid	Process
1696	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
1084	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

xpikpifqaqsw.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run	xpikpifqaqsw.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\iausiwragjit = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\xpikpifqaqsw.exe\""	xpikpifqaqsw.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exexpikpifqaqsw.exe

description	pid	Process	procid_target
PID 1660 set thread context of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1696 set thread context of 984	1696	xpikpifqaqsw.exe	31

Drops file in Program Files directory 1 IoCs

Processes:

xpikpifqaqsw.exe

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

Drops file in Windows directory 2 IoCs

Processes:

543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe

description	ioc	Process
File created	C:\Windows\xpikpifqaqsw.exe	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe
File opened for modification	C:\Windows\xpikpifqaqsw.exe	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.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 13 IoCs

Processes:

xpikpifqaqsw.exe

pid	Process
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe
984	xpikpifqaqsw.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

Processes:

543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exexpikpifqaqsw.exeWMIC.exevssvc.exe

description	pid	Process
Token: SeDebugPrivilege	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe
Token: SeDebugPrivilege	984	xpikpifqaqsw.exe
Token: SeIncreaseQuotaPrivilege	1020	WMIC.exe
Token: SeSecurityPrivilege	1020	WMIC.exe
Token: SeTakeOwnershipPrivilege	1020	WMIC.exe
Token: SeLoadDriverPrivilege	1020	WMIC.exe
Token: SeSystemProfilePrivilege	1020	WMIC.exe
Token: SeSystemtimePrivilege	1020	WMIC.exe
Token: SeProfSingleProcessPrivilege	1020	WMIC.exe
Token: SeIncBasePriorityPrivilege	1020	WMIC.exe
Token: SeCreatePagefilePrivilege	1020	WMIC.exe
Token: SeBackupPrivilege	1020	WMIC.exe
Token: SeRestorePrivilege	1020	WMIC.exe
Token: SeShutdownPrivilege	1020	WMIC.exe
Token: SeDebugPrivilege	1020	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1020	WMIC.exe
Token: SeRemoteShutdownPrivilege	1020	WMIC.exe
Token: SeUndockPrivilege	1020	WMIC.exe
Token: SeManageVolumePrivilege	1020	WMIC.exe
Token: 33	1020	WMIC.exe
Token: 34	1020	WMIC.exe
Token: 35	1020	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1020	WMIC.exe
Token: SeSecurityPrivilege	1020	WMIC.exe
Token: SeTakeOwnershipPrivilege	1020	WMIC.exe
Token: SeLoadDriverPrivilege	1020	WMIC.exe
Token: SeSystemProfilePrivilege	1020	WMIC.exe
Token: SeSystemtimePrivilege	1020	WMIC.exe
Token: SeProfSingleProcessPrivilege	1020	WMIC.exe
Token: SeIncBasePriorityPrivilege	1020	WMIC.exe
Token: SeCreatePagefilePrivilege	1020	WMIC.exe
Token: SeBackupPrivilege	1020	WMIC.exe
Token: SeRestorePrivilege	1020	WMIC.exe
Token: SeShutdownPrivilege	1020	WMIC.exe
Token: SeDebugPrivilege	1020	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1020	WMIC.exe
Token: SeRemoteShutdownPrivilege	1020	WMIC.exe
Token: SeUndockPrivilege	1020	WMIC.exe
Token: SeManageVolumePrivilege	1020	WMIC.exe
Token: 33	1020	WMIC.exe
Token: 34	1020	WMIC.exe
Token: 35	1020	WMIC.exe
Token: SeBackupPrivilege	268	vssvc.exe
Token: SeRestorePrivilege	268	vssvc.exe
Token: SeAuditPrivilege	268	vssvc.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exexpikpifqaqsw.exexpikpifqaqsw.exe

description	pid	Process	procid_target
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1660 wrote to memory of 1756	1660	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	27
PID 1756 wrote to memory of 1696	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	28
PID 1756 wrote to memory of 1696	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	28
PID 1756 wrote to memory of 1696	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	28
PID 1756 wrote to memory of 1696	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	28
PID 1756 wrote to memory of 1084	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	29
PID 1756 wrote to memory of 1084	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	29
PID 1756 wrote to memory of 1084	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	29
PID 1756 wrote to memory of 1084	1756	543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe	29
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 1696 wrote to memory of 984	1696	xpikpifqaqsw.exe	31
PID 984 wrote to memory of 1020	984	xpikpifqaqsw.exe	32
PID 984 wrote to memory of 1020	984	xpikpifqaqsw.exe	32
PID 984 wrote to memory of 1020	984	xpikpifqaqsw.exe	32
PID 984 wrote to memory of 1020	984	xpikpifqaqsw.exe	32

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

xpikpifqaqsw.exe

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

C:\Users\Admin\AppData\Local\Temp\543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe
"C:\Users\Admin\AppData\Local\Temp\543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe
  "C:\Users\Admin\AppData\Local\Temp\543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\xpikpifqaqsw.exe
    C:\Windows\xpikpifqaqsw.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1696
  - - C:\Windows\xpikpifqaqsw.exe
      C:\Windows\xpikpifqaqsw.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:984
    - - C:\Windows\System32\wbem\WMIC.exe
        
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1020
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\543144~1.EXE
    3⤵
    - Deletes itself
    PID:1084

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:268

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\xpikpifqaqsw.exe

Filesize
368KB

MD5
0d3571a8ca8ef2fede9e3e11b8761582

SHA1
f2b0416e2afe93050816f62646ecae6080a9e559

SHA256
543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb

SHA512
1474d517cf92cd4dcec62bb656ae918f383fd4e146dd951c9613e7cb300870e32606c3607872bb17d84e2de5c13d23bf51bc16e8f2f576acd4bae9fe3e2b661c

Download Submit
C:\Windows\xpikpifqaqsw.exe

Filesize
368KB

MD5
0d3571a8ca8ef2fede9e3e11b8761582

SHA1
f2b0416e2afe93050816f62646ecae6080a9e559

SHA256
543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb

SHA512
1474d517cf92cd4dcec62bb656ae918f383fd4e146dd951c9613e7cb300870e32606c3607872bb17d84e2de5c13d23bf51bc16e8f2f576acd4bae9fe3e2b661c

Download Submit
C:\Windows\xpikpifqaqsw.exe

Filesize
368KB

MD5
0d3571a8ca8ef2fede9e3e11b8761582

SHA1
f2b0416e2afe93050816f62646ecae6080a9e559

SHA256
543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb

SHA512
1474d517cf92cd4dcec62bb656ae918f383fd4e146dd951c9613e7cb300870e32606c3607872bb17d84e2de5c13d23bf51bc16e8f2f576acd4bae9fe3e2b661c

Download Submit
memory/984-94-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/984-93-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/984-92-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/984-88-0x000000000041668A-mapping.dmp

Download
memory/1020-95-0x0000000000000000-mapping.dmp

Download
memory/1084-75-0x0000000000000000-mapping.dmp

Download
memory/1660-54-0x00000000001B0000-0x00000000001B4000-memory.dmp

Filesize
16KB

Download
memory/1660-68-0x00000000001B0000-0x00000000001B4000-memory.dmp

Filesize
16KB

Download
memory/1660-55-0x00000000001B0000-0x00000000001B4000-memory.dmp

Filesize
16KB

Download
memory/1696-73-0x0000000000000000-mapping.dmp

Download
memory/1756-63-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-72-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-71-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-70-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-76-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-69-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1756-66-0x000000000041668A-mapping.dmp

Download
memory/1756-65-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-61-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-59-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-57-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1756-56-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download