darkcomet | 2a5df6bada9f7a507a04d0889fafd932fdcd12397fa89e4cedae99d101eb8f70

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 11:08

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General

Target

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe
Size

288KB
MD5

19e49d8166eaf5fc06026ae2f3afac30
SHA1

d1a8e153c4b99e25f8d4f6f008192a3f3887f316
SHA256

2a5df6bada9f7a507a04d0889fafd932fdcd12397fa89e4cedae99d101eb8f70
SHA512

1f92cc879cd5cae759dab561b7bf3658ccd2b9f28c5a87a138d74c9b2c8a6929c558c042cea7c96d5b24068490fa9632a826ced15630174d789516fb0d2b595e
SSDEEP

6144:bJ/SsodMp6FH1tunYLE0ai8wIQn1D2jyvuC3Gfcbr7KwkpkM0S2:bRStdMYVtuYLEpwIc2fwr7K8

Score

10^/10

darkcomet crypt persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Crypt

b6x.no-ip.biz:1604

Mutex

DC_MUTEX-KQFDPD6

Attributes

gencode
A3BVkZQqjEkS
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2344 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

pid process

2196 19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

pid	process
2344	svchost.exe

pid	process
2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

UPX packed file 25 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2344-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-18-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-30-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-33-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-34-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-35-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-36-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-37-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-38-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-39-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-40-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-41-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-42-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-43-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2344-44-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinDefender\\windefender.exe"	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

description pid process target process

PID 2196 set thread context of 2344 2196 19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2196 set thread context of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2344	svchost.exe
Token: SeSecurityPrivilege	2344	svchost.exe
Token: SeTakeOwnershipPrivilege	2344	svchost.exe
Token: SeLoadDriverPrivilege	2344	svchost.exe
Token: SeSystemProfilePrivilege	2344	svchost.exe
Token: SeSystemtimePrivilege	2344	svchost.exe
Token: SeProfSingleProcessPrivilege	2344	svchost.exe
Token: SeIncBasePriorityPrivilege	2344	svchost.exe
Token: SeCreatePagefilePrivilege	2344	svchost.exe
Token: SeBackupPrivilege	2344	svchost.exe
Token: SeRestorePrivilege	2344	svchost.exe
Token: SeShutdownPrivilege	2344	svchost.exe
Token: SeDebugPrivilege	2344	svchost.exe
Token: SeSystemEnvironmentPrivilege	2344	svchost.exe
Token: SeChangeNotifyPrivilege	2344	svchost.exe
Token: SeRemoteShutdownPrivilege	2344	svchost.exe
Token: SeUndockPrivilege	2344	svchost.exe
Token: SeManageVolumePrivilege	2344	svchost.exe
Token: SeImpersonatePrivilege	2344	svchost.exe
Token: SeCreateGlobalPrivilege	2344	svchost.exe
Token: 33	2344	svchost.exe
Token: 34	2344	svchost.exe
Token: 35	2344	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

2344 svchost.exe

pid	process
2344	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

description	pid	process	target process
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 2196 wrote to memory of 2344	2196	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2344

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2196-26-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-1-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-2-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-0-0x0000000074D11000-0x0000000074D12000-memory.dmp

Filesize
4KB

Download
memory/2344-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-27-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2344-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-33-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-34-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-35-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-36-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-37-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-38-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-39-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-40-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-41-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-42-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-43-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2344-44-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download