cobaltstrike | 3542078fd524e3cb141d5bebf96aea73467505a07ae72fc58395afa14f22e8a3

Analysis

max time kernel
116s
max time network
168s
platform
windows10_x64
resource
win10-en-20211208
submitted
24-01-2022 22:34

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General

Target

RFP_AllianxMexico_2022.doc
Size

3.2MB
MD5

b371e1c2ca2e5718e151760bc4664366
SHA1

73457d23e5235df0fcfbf6547aaf26cccc765011
SHA256

3542078fd524e3cb141d5bebf96aea73467505a07ae72fc58395afa14f22e8a3
SHA512

b6d4ae4f09c8bb660d46dba8cce9a28a811af28f9364e38dc58da85bff011bf6ac21130a790a96ed9f015f27a916f6d8090a1712bb3f6192412f38381a7f4486

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3208 WINWORD.EXE
3208 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

3208 WINWORD.EXE
3208 WINWORD.EXE
3208 WINWORD.EXE
3208 WINWORD.EXE

pid	process
3208	WINWORD.EXE
3208	WINWORD.EXE

pid	process
3208	WINWORD.EXE
3208	WINWORD.EXE
3208	WINWORD.EXE
3208	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\RFP_AllianxMexico_2022.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3208-118-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3208-119-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3208-120-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3208-121-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3208-122-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3208-125-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmp

Filesize
64KB

Download
memory/3208-134-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmp

Filesize
64KB

Download
memory/3208-263-0x0000024CB3AA8000-0x0000024CB4AA9000-memory.dmp

Filesize
16.0MB

Download