dorkbot | a9395101f1587a91a1ac9dbea900b977585eba0ed4b32ac9accf2563be457b6f

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/10/2026, 04:20

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General

Target
jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe
Size 132KB
Sample261012-eyj7lsfe22
SHA256 a9395101f1587a91a1ac9dbea900b977585eba0ed4b32ac9accf2563be457b6f
MD5 65ddfebc75bb1e81391e2b8dbcb36918
SHA1 4893c88781d9e5a823e9ea807152af56a1102d4d
SHA512 620cdb678d17108b99875841b1a74a1a72ad5ee4931b83bdd5540f399e984c1e6fb78cc5519ec7a8df3968ff769dc021386dc51151f6f2894e501feeb5487822
SSDEEP 3072:ycmXDbS2Dtx1CUiIdMrDa0T/6lgwfJlb61tjR2:fmXDbSkrJWu0/SfD61tjR2
TLSH
T134D3D02BE6001D6AF028C9F09CD3D1E7114B2ECA4A5A5F1B23DD7BDD0A3E511A9E3D58
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery dorkbot worm

Malware Config

Signatures

Family: Dorkbot
Dorkbot is a worm written in C++.
worm dorkbot

Detects Dorkbot worm 1 IoCs

resource	yara_rule
behavioral2/memory/5464-2-0x0000000000400000-0x000000000044E000-memory.dmp	family_dorkbot

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88

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	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88
PID 1376 wrote to memory of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88
PID 1376 wrote to memory of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88
PID 1376 wrote to memory of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88
PID 1376 wrote to memory of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88
PID 1376 wrote to memory of 5464	1376	jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe	88

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Ruskill.fwz.exe"
  2⤵
  PID:5464

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/5464-2-0x0000000000400000-0x000000000044E000-memory.dmp

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