darkcomet | 7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/01/2025, 00:48

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General

Target

JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Size

1.4MB
MD5

1262fa2c62545950f2d9f468e78d4245
SHA1

2e32b45639a01f53531bf85f12b64cc8c777f1ec
SHA256

7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7
SHA512

cd96d5259d06ba61d94e24839936c275067f7127bb173a140025e90ef9afef1315dfabf5c24a7b2d0d491b2008e5142096a363f70629d085ad8db8c2c1046057
SSDEEP

24576:QdUM80K1+1lZnf0vIzzaGm2VfJtC5xQdMrTCeayHdjgVStXVyqKqhfSbBZy2CCJ6:OUXF1+1lZnf0vIXakI5xowicVX6vcSVY

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat themida trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-UNBJL0T

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
gQCYG1jH5wfi
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	msdcsc.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	msdcsc.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe

Themida packer 28 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2640-0-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2640-3-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2640-2-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/files/0x000e0000000193be-7.dat	themida
behavioral1/memory/2640-13-0x0000000005AB0000-0x0000000005C22000-memory.dmp	themida
behavioral1/memory/2860-18-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-16-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-19-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-20-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-21-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2640-22-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-24-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-25-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-26-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-27-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-28-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-29-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-30-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-31-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-32-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-33-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-34-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-35-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-36-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-37-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-38-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-39-0x0000000000400000-0x0000000000572000-memory.dmp	themida
behavioral1/memory/2860-40-0x0000000000400000-0x0000000000572000-memory.dmp	themida

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\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
2860	msdcsc.exe

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	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
2860	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeSecurityPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeTakeOwnershipPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeLoadDriverPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeSystemProfilePrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeSystemtimePrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeProfSingleProcessPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeIncBasePriorityPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeCreatePagefilePrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeBackupPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeRestorePrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeShutdownPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeDebugPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeSystemEnvironmentPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeChangeNotifyPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeRemoteShutdownPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeUndockPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeManageVolumePrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeImpersonatePrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeCreateGlobalPrivilege	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: 33	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: 34	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: 35	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Token: SeIncreaseQuotaPrivilege	2860	msdcsc.exe
Token: SeSecurityPrivilege	2860	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2860	msdcsc.exe
Token: SeLoadDriverPrivilege	2860	msdcsc.exe
Token: SeSystemProfilePrivilege	2860	msdcsc.exe
Token: SeSystemtimePrivilege	2860	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2860	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2860	msdcsc.exe
Token: SeCreatePagefilePrivilege	2860	msdcsc.exe
Token: SeBackupPrivilege	2860	msdcsc.exe
Token: SeRestorePrivilege	2860	msdcsc.exe
Token: SeShutdownPrivilege	2860	msdcsc.exe
Token: SeDebugPrivilege	2860	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2860	msdcsc.exe
Token: SeChangeNotifyPrivilege	2860	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2860	msdcsc.exe
Token: SeUndockPrivilege	2860	msdcsc.exe
Token: SeManageVolumePrivilege	2860	msdcsc.exe
Token: SeImpersonatePrivilege	2860	msdcsc.exe
Token: SeCreateGlobalPrivilege	2860	msdcsc.exe
Token: 33	2860	msdcsc.exe
Token: 34	2860	msdcsc.exe
Token: 35	2860	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2860	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe	30
PID 2640 wrote to memory of 2860	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe	30
PID 2640 wrote to memory of 2860	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe	30
PID 2640 wrote to memory of 2860	2640	JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2860

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.4MB

MD5
1262fa2c62545950f2d9f468e78d4245

SHA1
2e32b45639a01f53531bf85f12b64cc8c777f1ec

SHA256
7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7

SHA512
cd96d5259d06ba61d94e24839936c275067f7127bb173a140025e90ef9afef1315dfabf5c24a7b2d0d491b2008e5142096a363f70629d085ad8db8c2c1046057

Download Submit
memory/2640-22-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2640-1-0x0000000000401000-0x00000000004AD000-memory.dmp

Filesize
688KB

Download
memory/2640-3-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2640-2-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2640-14-0x0000000005AB0000-0x0000000005C22000-memory.dmp

Filesize
1.4MB

Download
memory/2640-13-0x0000000005AB0000-0x0000000005C22000-memory.dmp

Filesize
1.4MB

Download
memory/2640-0-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2640-23-0x0000000000401000-0x00000000004AD000-memory.dmp

Filesize
688KB

Download
memory/2860-24-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-30-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-21-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-19-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-16-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-18-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-25-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-26-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-27-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-28-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-29-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-20-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-31-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-32-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-33-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-34-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-35-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-36-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-37-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-38-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-39-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2860-40-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download