cobaltstrike | 9c80583fb6e199bb41c3af8d9ad0084bdbdd63e1cc754070a3f96142d59a0a19

General

Target

c333a910a76073a97c782797300ed86a.dotm
Size

30KB
MD5

c333a910a76073a97c782797300ed86a
SHA1

2417f54dbcdb454c5ce863b417e01147aedecaa3
SHA256

9c80583fb6e199bb41c3af8d9ad0084bdbdd63e1cc754070a3f96142d59a0a19
SHA512

fe3d6e86f3a0f68493bf7da218cc277984492161e9f26af42ffe9461d938a1a62644fe6d430f048591fcd9ead29ebb4b60cb3d0a5ac6fbf24bae4413981027e3
SSDEEP

768:FL8QNgqlsfek8iojink0GdXeiVsk0j/cm:xgrud+nk0Gd/VX0j/r

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Signatures

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1968	1556	rundll32.exe	WINWORD.EXE

Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

52 1968 rundll32.exe
53 1968 rundll32.exe
63 1968 rundll32.exe

flow	pid	process
52	1968	rundll32.exe
53	1968	rundll32.exe
63	1968	rundll32.exe

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
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

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

1556 WINWORD.EXE
1556 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE

pid	process
1556	WINWORD.EXE
1556	WINWORD.EXE

pid	process
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.exe
PID 1556 wrote to memory of 1968	1556	WINWORD.EXE	rundll32.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\c333a910a76073a97c782797300ed86a.dotm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:1968

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1556-138-0x00007FFF53BF0000-0x00007FFF53C00000-memory.dmp

Filesize
64KB

Download
memory/1556-132-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-133-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-135-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-136-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-137-0x00007FFF53BF0000-0x00007FFF53C00000-memory.dmp

Filesize
64KB

Download
memory/1556-134-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-146-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-143-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-145-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1556-144-0x00007FFF56550000-0x00007FFF56560000-memory.dmp

Filesize
64KB

Download
memory/1968-140-0x00000000033A0000-0x00000000033DE000-memory.dmp

Filesize
248KB

Download
memory/1968-141-0x00000000033A0000-0x00000000033DE000-memory.dmp

Filesize
248KB

Download
memory/1968-139-0x0000000002FA0000-0x00000000033A0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads