886a69165bbc6a7c3eddcbfa8bf1a037a4bd3f0e6a0d4d0627c0bc01ecc394bc

General

Target

Cbvevfvsijf_pif.exe
Size

15KB
MD5

816e18d8cbbe7fd9b7e8b014ac9f172f
SHA1

0667252224074f3b03d85cdcebacc745051e3786
SHA256

886a69165bbc6a7c3eddcbfa8bf1a037a4bd3f0e6a0d4d0627c0bc01ecc394bc
SHA512

9ebcdde2f5d4e9cda2c70e06df2f7fc0346cb14e82f7651fb487e80a95f7c021b6b6d23162858ef3ebb01d890afbb6eec4d9c18671a0f59b308ad1fee432caea
SSDEEP

384:Vo0ISpJi492rb/VmINYTLJNQS/+ovwaFPQpoq:jIS7H921mINYHAS+ovnRPq

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Cbvevfvsijf_pif.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tyjvurumt = "\"C:\\Users\\Admin\\AppData\\Roaming\\Pqoftvcnt\\Tyjvurumt.exe\""	Cbvevfvsijf_pif.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Cbvevfvsijf_pif.exe

description pid process target process

PID 1112 set thread context of 840 1112 Cbvevfvsijf_pif.exe Cbvevfvsijf_pif.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 1 IoCs

Processes:

powershell.exe

pid process

2028 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Cbvevfvsijf_pif.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1112 Cbvevfvsijf_pif.exe
Token: SeDebugPrivilege 2028 powershell.exe

description	pid	process	target process
PID 1112 set thread context of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe

pid	process
2028	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1112	Cbvevfvsijf_pif.exe
Token: SeDebugPrivilege	2028	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Cbvevfvsijf_pif.exe

description	pid	process	target process
PID 1112 wrote to memory of 2028	1112	Cbvevfvsijf_pif.exe	powershell.exe
PID 1112 wrote to memory of 2028	1112	Cbvevfvsijf_pif.exe	powershell.exe
PID 1112 wrote to memory of 2028	1112	Cbvevfvsijf_pif.exe	powershell.exe
PID 1112 wrote to memory of 2028	1112	Cbvevfvsijf_pif.exe	powershell.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe
PID 1112 wrote to memory of 840	1112	Cbvevfvsijf_pif.exe	Cbvevfvsijf_pif.exe

C:\Users\Admin\AppData\Local\Temp\Cbvevfvsijf_pif.exe
"C:\Users\Admin\AppData\Local\Temp\Cbvevfvsijf_pif.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028

C:\Users\Admin\AppData\Local\Temp\Cbvevfvsijf_pif.exe
C:\Users\Admin\AppData\Local\Temp\Cbvevfvsijf_pif.exe
2⤵
PID:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-70-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-72-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-63-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-65-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-77-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-76-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-74-0x00000000004639B0-mapping.dmp

Download
memory/840-62-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-73-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-78-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-69-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/840-67-0x0000000000400000-0x00000000008CB000-memory.dmp

Filesize
4.8MB

Download
memory/1112-54-0x0000000000D90000-0x0000000000D9A000-memory.dmp

Filesize
40KB

Download
memory/1112-55-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1112-56-0x0000000006A20000-0x0000000006E0E000-memory.dmp

Filesize
3.9MB

Download
memory/2028-61-0x000000006E0E0000-0x000000006E68B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-60-0x000000006E0E0000-0x000000006E68B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-59-0x000000006E0E0000-0x000000006E68B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-57-0x0000000000000000-mapping.dmp

Download

Analysis

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