darkcomet | 2a5df6bada9f7a507a04d0889fafd932fdcd12397fa89e4cedae99d101eb8f70

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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

468 svchost.exe

pid	process
468	svchost.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/468-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-9-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-18-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-30-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-33-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/468-34-0x0000000000400000-0x00000000004BA000-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-1-5-21-4124900551-4068476067-3491212533-1000\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 636 set thread context of 468 636 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 636 set thread context of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	468	svchost.exe
Token: SeSecurityPrivilege	468	svchost.exe
Token: SeTakeOwnershipPrivilege	468	svchost.exe
Token: SeLoadDriverPrivilege	468	svchost.exe
Token: SeSystemProfilePrivilege	468	svchost.exe
Token: SeSystemtimePrivilege	468	svchost.exe
Token: SeProfSingleProcessPrivilege	468	svchost.exe
Token: SeIncBasePriorityPrivilege	468	svchost.exe
Token: SeCreatePagefilePrivilege	468	svchost.exe
Token: SeBackupPrivilege	468	svchost.exe
Token: SeRestorePrivilege	468	svchost.exe
Token: SeShutdownPrivilege	468	svchost.exe
Token: SeDebugPrivilege	468	svchost.exe
Token: SeSystemEnvironmentPrivilege	468	svchost.exe
Token: SeChangeNotifyPrivilege	468	svchost.exe
Token: SeRemoteShutdownPrivilege	468	svchost.exe
Token: SeUndockPrivilege	468	svchost.exe
Token: SeManageVolumePrivilege	468	svchost.exe
Token: SeImpersonatePrivilege	468	svchost.exe
Token: SeCreateGlobalPrivilege	468	svchost.exe
Token: 33	468	svchost.exe
Token: 34	468	svchost.exe
Token: 35	468	svchost.exe
Token: 36	468	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

468 svchost.exe

pid	process
468	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe

description	pid	process	target process
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe
PID 636 wrote to memory of 468	636	19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\19e49d8166eaf5fc06026ae2f3afac30_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

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:468

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/468-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-33-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-16-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/468-34-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/468-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/636-2-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/636-0-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/636-1-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/636-19-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download