3a16c941223ae24e33b62e925575669a52f7993765aadf075a8bea5decd8a836

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-01-2022 08:10

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General

Target

7zS850A099E/61e7501ab629f_Tue23c4645058.exe
Size

405KB
MD5

031f38d24ae18e9d3d3b878b9b1d8902
SHA1

b089e0f0d1809873b2d8d86e9c72f9136efa9983
SHA256

23facfbb54ebef4f301cd273be87ce89ae421f2cf2f79ebbc0e5338a54b4c356
SHA512

278dac8cbc45ad9e758da3f368e7f72e01b5e59d79c7176bfdf90a2bf1caf89f29c8852c66bff25c5ae8b4395724f54c8525e83881c1cd1f5b6ccd175852241d

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

656 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

1420 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1420 taskkill.exe

pid	process
656	cmd.exe

pid	process
1420	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1420	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

61e7501ab629f_Tue23c4645058.execmd.exe

description	pid	process	target process
PID 1092 wrote to memory of 656	1092	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 1092 wrote to memory of 656	1092	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 1092 wrote to memory of 656	1092	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 1092 wrote to memory of 656	1092	61e7501ab629f_Tue23c4645058.exe	cmd.exe
PID 656 wrote to memory of 1420	656	cmd.exe	taskkill.exe
PID 656 wrote to memory of 1420	656	cmd.exe	taskkill.exe
PID 656 wrote to memory of 1420	656	cmd.exe	taskkill.exe
PID 656 wrote to memory of 1420	656	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7501ab629f_Tue23c4645058.exe
"C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7501ab629f_Tue23c4645058.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "61e7501ab629f_Tue23c4645058.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7501ab629f_Tue23c4645058.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "61e7501ab629f_Tue23c4645058.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1420

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/1092-55-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download
memory/1092-56-0x0000000000220000-0x000000000024A000-memory.dmp

Filesize
168KB

Download
memory/1092-57-0x0000000000270000-0x00000000002BC000-memory.dmp

Filesize
304KB

Download
memory/1092-58-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download