3bb788b0d558a8e52a71b1fcb57ee9c74ce4949a5398831fb8aad57f029f2b3d

Analysis

max time kernel
41s
max time network
43s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 08:57

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General

Target

8908dd0993b3e964858095b1bbcf4101.exe
Size

390KB
MD5

8908dd0993b3e964858095b1bbcf4101
SHA1

093b08f2be8f8c56303b6c0d6a6577d362c77ac0
SHA256

3bb788b0d558a8e52a71b1fcb57ee9c74ce4949a5398831fb8aad57f029f2b3d
SHA512

6fa7afcf84fd4c8e64af4f9ec432a72e1beef6d1fa2336913c0b3e97f57a8f837faf9494b5e2f11af03a7154c2f18913b3ff05cb1497fff5c179fadfcc5cb4a8

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1816 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

836 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 836 taskkill.exe

pid	process
1816	cmd.exe

pid	process
836	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	836	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8908dd0993b3e964858095b1bbcf4101.execmd.exe

description	pid	process	target process
PID 1276 wrote to memory of 1816	1276	8908dd0993b3e964858095b1bbcf4101.exe	cmd.exe
PID 1276 wrote to memory of 1816	1276	8908dd0993b3e964858095b1bbcf4101.exe	cmd.exe
PID 1276 wrote to memory of 1816	1276	8908dd0993b3e964858095b1bbcf4101.exe	cmd.exe
PID 1276 wrote to memory of 1816	1276	8908dd0993b3e964858095b1bbcf4101.exe	cmd.exe
PID 1816 wrote to memory of 836	1816	cmd.exe	taskkill.exe
PID 1816 wrote to memory of 836	1816	cmd.exe	taskkill.exe
PID 1816 wrote to memory of 836	1816	cmd.exe	taskkill.exe
PID 1816 wrote to memory of 836	1816	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\8908dd0993b3e964858095b1bbcf4101.exe
"C:\Users\Admin\AppData\Local\Temp\8908dd0993b3e964858095b1bbcf4101.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8908dd0993b3e964858095b1bbcf4101.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8908dd0993b3e964858095b1bbcf4101.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8908dd0993b3e964858095b1bbcf4101.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:836

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/836-60-0x0000000000000000-mapping.dmp

Download
memory/1276-54-0x00000000005F8000-0x000000000061E000-memory.dmp

Filesize
152KB

Download
memory/1276-55-0x0000000076C01000-0x0000000076C03000-memory.dmp

Filesize
8KB

Download
memory/1276-59-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1276-57-0x00000000005F8000-0x000000000061E000-memory.dmp

Filesize
152KB

Download
memory/1276-58-0x0000000000220000-0x000000000025F000-memory.dmp

Filesize
252KB

Download
memory/1816-56-0x0000000000000000-mapping.dmp

Download