aa69efc6d0e9dcf29dbf1894cadd436c295bc1ed05684fbf8731a9cb0e8d183e

Analysis

max time kernel
4294186s
max time network
123s
platform
windows7_x64
resource
win7-20220223-en
submitted
24/02/2022, 08:57

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General

Target
2645a3827b3e3e8a4fd278ab1c1c4527.exe
Size 36KB
Sample220224-kwlkjsced9
SHA256 aa69efc6d0e9dcf29dbf1894cadd436c295bc1ed05684fbf8731a9cb0e8d183e
MD5 2645a3827b3e3e8a4fd278ab1c1c4527
SHA1 dc06f2131cfb565d3161e60cce41ed93c2831549
SHA512 45d8e79ba024986cc5db01b5876f271214a890f23a2cc04c1781400036217b2388970f2607dc2636f902f2fa3bbb0a36a0d12907c73e820c9978c61026167bf0
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
904	1960	WerFault.exe	26

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1980	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
904	WerFault.exe
904	WerFault.exe
904	WerFault.exe
904	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
904	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe
Token: SeDebugPrivilege	904	WerFault.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 268	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	27
PID 1960 wrote to memory of 268	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	27
PID 1960 wrote to memory of 268	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	27
PID 1960 wrote to memory of 268	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	27
PID 268 wrote to memory of 1980	268	cmd.exe	29
PID 268 wrote to memory of 1980	268	cmd.exe	29
PID 268 wrote to memory of 1980	268	cmd.exe	29
PID 268 wrote to memory of 1980	268	cmd.exe	29
PID 1960 wrote to memory of 904	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	30
PID 1960 wrote to memory of 904	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	30
PID 1960 wrote to memory of 904	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	30
PID 1960 wrote to memory of 904	1960	2645a3827b3e3e8a4fd278ab1c1c4527.exe	30

C:\Users\Admin\AppData\Local\Temp\2645a3827b3e3e8a4fd278ab1c1c4527.exe
"C:\Users\Admin\AppData\Local\Temp\2645a3827b3e3e8a4fd278ab1c1c4527.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 20
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Windows\SysWOW64\timeout.exe
    timeout 20
    3⤵
    - Delays execution with timeout.exe
    PID:1980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 1336
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/904-58-0x0000000000320000-0x0000000000321000-memory.dmp

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memory/1960-54-0x0000000000CF0000-0x0000000000CFE000-memory.dmp

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memory/1960-55-0x00000000757C1000-0x00000000757C3000-memory.dmp

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memory/1960-56-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

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memory/1960-57-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

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