1bd85ed9bcbbe87a69f4c4764438e0df0cba8d5799d05a7bed911b5c57c33e4e

General

Target
334a47ca828db802167c63cd913c4ce7.exe
Size 744KB
Sample210916-fejbmscaa9
SHA256 1bd85ed9bcbbe87a69f4c4764438e0df0cba8d5799d05a7bed911b5c57c33e4e
MD5 334a47ca828db802167c63cd913c4ce7
SHA1 fd836463b0b23ae3ff6617b3180093ffffa156c8
SHA512 155c20fcab4c28495397b08119357fb87b94241f2a6f21c21c3898cf4b8f4f7f5bf9ca3cb82a8c4ff16ed84923566feed673fc65e236a3c89265586f7efdfff4
MD5 SHA1 SHA512

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1636 set thread context of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2016	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	334a47ca828db802167c63cd913c4ce7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
528	334a47ca828db802167c63cd913c4ce7.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 528	1636	334a47ca828db802167c63cd913c4ce7.exe	31
PID 1636 wrote to memory of 996	1636	334a47ca828db802167c63cd913c4ce7.exe	32
PID 1636 wrote to memory of 996	1636	334a47ca828db802167c63cd913c4ce7.exe	32
PID 1636 wrote to memory of 996	1636	334a47ca828db802167c63cd913c4ce7.exe	32
PID 1636 wrote to memory of 996	1636	334a47ca828db802167c63cd913c4ce7.exe	32
PID 1636 wrote to memory of 1992	1636	334a47ca828db802167c63cd913c4ce7.exe	33
PID 1636 wrote to memory of 1992	1636	334a47ca828db802167c63cd913c4ce7.exe	33
PID 1636 wrote to memory of 1992	1636	334a47ca828db802167c63cd913c4ce7.exe	33
PID 1636 wrote to memory of 1992	1636	334a47ca828db802167c63cd913c4ce7.exe	33
PID 996 wrote to memory of 2016	996	cmd.exe	36
PID 996 wrote to memory of 2016	996	cmd.exe	36
PID 996 wrote to memory of 2016	996	cmd.exe	36
PID 996 wrote to memory of 2016	996	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\334a47ca828db802167c63cd913c4ce7.exe
"C:\Users\Admin\AppData\Local\Temp\334a47ca828db802167c63cd913c4ce7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\334a47ca828db802167c63cd913c4ce7.exe
  "C:\Users\Admin\AppData\Local\Temp\334a47ca828db802167c63cd913c4ce7.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\browse\browse.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:996
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\browse\browse.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:2016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\334a47ca828db802167c63cd913c4ce7.exe" "C:\Users\Admin\AppData\Roaming\browse\browse.exe"
  2⤵
  PID:1992

C:\Windows\system32\taskeng.exe
taskeng.exe {26E3A83C-7749-4F42-A278-F459014CE096} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
1⤵
PID:1344
- C:\Users\Admin\AppData\Roaming\browse\browse.exe
  C:\Users\Admin\AppData\Roaming\browse\browse.exe
  2⤵
  PID:1700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/528-55-0x0000000000400000-0x000000000047A000-memory.dmp

Download

memory/528-58-0x0000000000400000-0x000000000047A000-memory.dmp

Download

memory/1636-52-0x0000000000C70000-0x0000000000C71000-memory.dmp

Download

memory/1636-54-0x0000000000610000-0x0000000000611000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads