darkcomet | dbdbee96e293e811fd197aaaa978b11d4c4752e5adad83cd977c835f349d65ef

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 08:51

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General

Target

2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Size

230KB
MD5

2e3304da8d9a54d3a7fb228e19db8f72
SHA1

91ca6dc5965c5baae9683968d59ad668ff426787
SHA256

dbdbee96e293e811fd197aaaa978b11d4c4752e5adad83cd977c835f349d65ef
SHA512

65d785b294cb4e67e35d546da62db65a7f2e98650e681b31ee4ba0c3e7ad13a3c5fb437262d7607b10f720ba4186ba8e20e2bf1a74769764c27d6b423938a75c
SSDEEP

6144:V0eLNExQ3gmAG2j7580UJpvNH4TiXfBhkMgDVUqdgtcpgoS:VUQ4GA5sp+qBhi1HgoS

Score

10^/10

darkcomet nasit discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

nasit

88.254.114.62:1604

Mutex

DCMIN_MUTEX-TSEC6XJ

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
HWaUf6XVhyqZ
install
true
offline_keylogger
true
persistence
false
reg_key
dnr

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\DCSCMIN\\IMDCSC.exe"	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\dnr = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\DCSCMIN\\IMDCSC.exe"	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/files/0x000e0000000193be-4.dat	upx
behavioral1/memory/2628-6-0x0000000003720000-0x00000000037D6000-memory.dmp	upx
behavioral1/memory/2628-13-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2540-14-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2540-16-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2540-20-0x0000000000400000-0x00000000004B6000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeSecurityPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeBackupPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeRestorePrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeShutdownPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeDebugPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeUndockPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: 33	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: 34	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: 35	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2540	IMDCSC.exe
Token: SeSecurityPrivilege	2540	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2540	IMDCSC.exe
Token: SeLoadDriverPrivilege	2540	IMDCSC.exe
Token: SeSystemProfilePrivilege	2540	IMDCSC.exe
Token: SeSystemtimePrivilege	2540	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2540	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2540	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2540	IMDCSC.exe
Token: SeBackupPrivilege	2540	IMDCSC.exe
Token: SeRestorePrivilege	2540	IMDCSC.exe
Token: SeShutdownPrivilege	2540	IMDCSC.exe
Token: SeDebugPrivilege	2540	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2540	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2540	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2540	IMDCSC.exe
Token: SeUndockPrivilege	2540	IMDCSC.exe
Token: SeManageVolumePrivilege	2540	IMDCSC.exe
Token: SeImpersonatePrivilege	2540	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2540	IMDCSC.exe
Token: 33	2540	IMDCSC.exe
Token: 34	2540	IMDCSC.exe
Token: 35	2540	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2540	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2540	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe	31
PID 2628 wrote to memory of 2540	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe	31
PID 2628 wrote to memory of 2540	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe	31
PID 2628 wrote to memory of 2540	2628	2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628
- C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe

Filesize
230KB

MD5
2e3304da8d9a54d3a7fb228e19db8f72

SHA1
91ca6dc5965c5baae9683968d59ad668ff426787

SHA256
dbdbee96e293e811fd197aaaa978b11d4c4752e5adad83cd977c835f349d65ef

SHA512
65d785b294cb4e67e35d546da62db65a7f2e98650e681b31ee4ba0c3e7ad13a3c5fb437262d7607b10f720ba4186ba8e20e2bf1a74769764c27d6b423938a75c

Download Submit
memory/2540-14-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2540-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2540-16-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2540-18-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2540-20-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2628-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2628-1-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2628-6-0x0000000003720000-0x00000000037D6000-memory.dmp

Filesize
728KB

Download
memory/2628-13-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads