fed888d3ee2847c9323f4a702bd59f99926bfa252f3109fd4924da5500ec2b7e

Analysis

max time kernel
118s
max time network
129s
platform
windows7_x64
resource
win7-en-20211208
submitted
22/02/2022, 11:42

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General

Target
810976392.exe
Size 39KB
Sample220222-nt141agdd3
SHA256 fed888d3ee2847c9323f4a702bd59f99926bfa252f3109fd4924da5500ec2b7e
MD5 f7a4121d49482e164828ae584c230bbf
SHA1 3c7707a9d1a73c8c10a4a3ef4376d8f589e94945
SHA512 d5bbb6996d8cb7f4ae9db51eb85111a100045bc4a5a146fa5652ce1f1143154c3b1edd0957e639cdc6649be7914f3468c9d2dc418117c7ba54f3d375aaa9cf28
MD5 SHA1 SHA512

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1980	1540	WerFault.exe	26

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1380	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1980	WerFault.exe
1980	WerFault.exe
1980	WerFault.exe
1980	WerFault.exe
1980	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1540	810976392.exe
Token: SeDebugPrivilege	1980	WerFault.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 532	1540	810976392.exe	27
PID 1540 wrote to memory of 532	1540	810976392.exe	27
PID 1540 wrote to memory of 532	1540	810976392.exe	27
PID 1540 wrote to memory of 532	1540	810976392.exe	27
PID 532 wrote to memory of 1380	532	cmd.exe	29
PID 532 wrote to memory of 1380	532	cmd.exe	29
PID 532 wrote to memory of 1380	532	cmd.exe	29
PID 532 wrote to memory of 1380	532	cmd.exe	29
PID 1540 wrote to memory of 1980	1540	810976392.exe	32
PID 1540 wrote to memory of 1980	1540	810976392.exe	32
PID 1540 wrote to memory of 1980	1540	810976392.exe	32
PID 1540 wrote to memory of 1980	1540	810976392.exe	32

C:\Users\Admin\AppData\Local\Temp\810976392.exe
"C:\Users\Admin\AppData\Local\Temp\810976392.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping yahoo.com
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:532
- - C:\Windows\SysWOW64\PING.EXE
    ping yahoo.com
    3⤵
    - Runs ping.exe
    PID:1380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 1320
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1540-55-0x000000007480E000-0x000000007480F000-memory.dmp

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memory/1540-56-0x0000000001390000-0x00000000013A0000-memory.dmp

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memory/1540-57-0x0000000076731000-0x0000000076733000-memory.dmp

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memory/1540-58-0x0000000000480000-0x0000000000481000-memory.dmp

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memory/1980-59-0x00000000003D0000-0x00000000003D1000-memory.dmp

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