darkcomet | e80730c033226893146971da32d924fd368df56a340523c03752c92e971e317f

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 08:37

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General

Target

21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Size

346KB
MD5

21ba5dec8e7d7021a398190eda82c90a
SHA1

212fea82dca086308043dbc27c17791b8aae5863
SHA256

e80730c033226893146971da32d924fd368df56a340523c03752c92e971e317f
SHA512

cfb5c1ba3e5f1d296cc0e6fd2c036e9f9bb907da2fc82b7d636d9e837d79b6fccf8e1b41a98d4da91916f58a658708b6b19626e7a0c9729b351c9df26ba77957
SSDEEP

6144:kScwMXuUrdIHwfBrvGv8PC4SMhroCaBbONqDFenq64WXy2w4wjvX1KID52kz:kSpordIibPC4SMX74Fiqj5P1D5

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

smr9.no-ip.org:1604

Mutex

DC_MUTEX-G4HJPCR

Attributes

InstallPath
MSDCSC\lsass
gencode
4RT1F8YxjhmW
install
true
offline_keylogger
false
password
123456
persistence
true
reg_key
lsass

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\lsass"	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3192-1-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-8-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-4-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-3-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3192-24-0x0000000000400000-0x00000000004B7000-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:

21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "C:\\MSDCSC\\lsass"	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

description pid process target process

PID 4608 set thread context of 3192 4608 21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe 21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.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 4608 set thread context of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeSecurityPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeBackupPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeRestorePrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeShutdownPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeDebugPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeUndockPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: 33	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: 34	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: 35	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
Token: 36	3192	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

description	pid	process	target process
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
PID 4608 wrote to memory of 3192	4608	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe	21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4608

C:\Users\Admin\AppData\Local\Temp\21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\21ba5dec8e7d7021a398190eda82c90a_JaffaCakes118.exe
2⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3192

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\MSDCSC\lsass
Filesize
346KB

MD5
21ba5dec8e7d7021a398190eda82c90a

SHA1
212fea82dca086308043dbc27c17791b8aae5863

SHA256
e80730c033226893146971da32d924fd368df56a340523c03752c92e971e317f

SHA512
cfb5c1ba3e5f1d296cc0e6fd2c036e9f9bb907da2fc82b7d636d9e837d79b6fccf8e1b41a98d4da91916f58a658708b6b19626e7a0c9729b351c9df26ba77957

Download Submit
memory/3192-1-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-3-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3192-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4608-5-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download