cobaltstrike | 0336bd9e7fa6b45e28f1855bebe40a937c4b51c77b9e2ff7e93ff298881ea1a7

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/06/2026, 22:09

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General

Target
0336bd9e7fa6b45e28f1855bebe40a937c4b51c77b9e2ff7e93ff298881ea1a7.dll
Size 205KB
Sample260602-126exaev6z
SHA256 0336bd9e7fa6b45e28f1855bebe40a937c4b51c77b9e2ff7e93ff298881ea1a7
MD5 929493e4c03e878e46ca88c8a564073c
SHA1 0c2712831160ac410150c084a3e8eabedb31c3d0
SHA512 3dff476f00fe1a0833b34c8404bc98e979cca9656ca4a0f4b953cb31bcaf709dab6b8521d31c102c892b45bab8c1cb59f838f922c82e9bbf9fecb865a97ff9dd
SSDEEP 3072://QPFX1eqEfuBNSYuiM8CNj8hFsoMX0ghsJRgCD3iFw9jdUAEJ5J9://MEfuN0t8C5oFsoeRM3o0j6v
TLSH
T121248D5136C1F432E0960479A65BC7724EBDBC7416B198C7AF984EA98F322D2DB39307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery cobaltstrike trojan

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2136	4888	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 4888	908	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0336bd9e7fa6b45e28f1855bebe40a937c4b51c77b9e2ff7e93ff298881ea1a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0336bd9e7fa6b45e28f1855bebe40a937c4b51c77b9e2ff7e93ff298881ea1a7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 500
    3⤵
    - Program crash
    PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4888 -ip 4888
1⤵
PID:3412

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4888-0-0x0000000002200000-0x000000000223E000-memory.dmp

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