cobaltstrike | b76ba3d165ad8317f3020420db458edbe9165a99e726527a151d39019c533711

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2023 16:10

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General

Target

20220119_TA580/Requirements.lnk
Size

1KB
MD5

2157d05171e0a32c30a8c8350d25335a
SHA1

3af6b7bcd388b88d71ae09789b18a7a01e23b14b
SHA256

6e37e051433faa97a381fc8d8a51e8d0a5384d2fc7abc3dcf727d036bc196a74
SHA512

80585b023390d8adbb199e054cc1bfbf82b59c68965b1549f95ae45f33eb1b7f22fa448ff9ed134d6fb04d965216f4a884ed63a6bdbe743c7f5e5233e3b46e5d

Score

10^/10

cobaltstrike mimikatz 1580103814 backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

1580103814

http://95.168.191.223:443/r-arrow

http://45.11.19.22:443/ku

Attributes

access_type
512
beacon_type
2048
host
95.168.191.223,/r-arrow,45.11.19.22,/ku
http_header1
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
http_header2
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
http_method1
GET
http_method2
POST
jitter
10496
polling_time
5000
port_number
443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGR0Qh3y+EUBYe3BK7qolMM8JPwPWG3qSISL7jSnjkuexL5sMHLtzoO5zoQBy+e4TrkofBD2/CsND498lUEN11cFR9Kw1NFw6DnLSlodbOZoq4yAd4rqFrAU7pQXMn+TDas8ZyiZ1Gk0sb29Z3S9pi2fsZj2g4ZLC8cpJipJJRmQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
3.025605888e+09
unknown2
AAAABAAAAAIAAAJYAAAAAwAAAA8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/link
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.246
watermark
1580103814

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
mimikatz

mimikatz is an open source tool to dump credentials on Windows 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3368-143-0x00000252A64B0000-0x00000252A64FD000-memory.dmp	mimikatz

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.

System Information Discovery
T1082

Processes:

systeminfo.exe

pid process

960 systeminfo.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exe

pid process

3368 rundll32.exe
3368 rundll32.exe
3368 rundll32.exe
3368 rundll32.exe
3368 rundll32.exe
3368 rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 3368 rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cmd.exe

pid	process
960	systeminfo.exe

pid	process
3368	rundll32.exe
3368	rundll32.exe
3368	rundll32.exe
3368	rundll32.exe
3368	rundll32.exe
3368	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	3368	rundll32.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

cmd.execmd.exepythonw.execmd.exe

description	pid	process	target process
PID 1872 wrote to memory of 4180	1872	cmd.exe	cmd.exe
PID 1872 wrote to memory of 4180	1872	cmd.exe	cmd.exe
PID 4180 wrote to memory of 4932	4180	cmd.exe	pythonw.exe
PID 4180 wrote to memory of 4932	4180	cmd.exe	pythonw.exe
PID 4932 wrote to memory of 4012	4932	pythonw.exe	cmd.exe
PID 4932 wrote to memory of 4012	4932	pythonw.exe	cmd.exe
PID 4932 wrote to memory of 4008	4932	pythonw.exe	cmd.exe
PID 4932 wrote to memory of 4008	4932	pythonw.exe	cmd.exe
PID 4008 wrote to memory of 960	4008	cmd.exe	systeminfo.exe
PID 4008 wrote to memory of 960	4008	cmd.exe	systeminfo.exe
PID 4932 wrote to memory of 3368	4932	pythonw.exe	rundll32.exe
PID 4932 wrote to memory of 3368	4932	pythonw.exe	rundll32.exe
PID 4932 wrote to memory of 3368	4932	pythonw.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\20220119_TA580\Requirements.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cd project && pythonw.exe projectt.py & taskkill /F /IM cmd.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4180

C:\Users\Admin\AppData\Local\Temp\20220119_TA580\project\pythonw.exe
pythonw.exe projectt.py
3⤵
- Suspicious use of WriteProcessMemory
PID:4932

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C systmeinfo
4⤵
PID:4012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C systeminfo
4⤵
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\system32\systeminfo.exe
systeminfo
5⤵
- Gathers system information
PID:960

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/960-141-0x0000000000000000-mapping.dmp

Download
memory/3368-142-0x00000252A6250000-0x00000252A6299000-memory.dmp

Filesize
292KB

Download
memory/3368-143-0x00000252A64B0000-0x00000252A64FD000-memory.dmp

Filesize
308KB

Download
memory/4008-140-0x0000000000000000-mapping.dmp

Download
memory/4012-139-0x0000000000000000-mapping.dmp

Download
memory/4180-133-0x0000000000000000-mapping.dmp

Download
memory/4932-134-0x0000000000000000-mapping.dmp

Download
memory/4932-135-0x00000231A3440000-0x00000231A34CB000-memory.dmp

Filesize
556KB

Download
memory/4932-136-0x00000231A3930000-0x00000231A3D30000-memory.dmp

Filesize
4.0MB

Download
memory/4932-137-0x00000231A3440000-0x00000231A34CB000-memory.dmp

Filesize
556KB

Download
memory/4932-138-0x00000231A3930000-0x00000231A3D30000-memory.dmp

Filesize
4.0MB

Download