darkcomet | dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6

Analysis

max time kernel
111s
max time network
116s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 13:42

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General

Target

dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
Size

684KB
MD5

ea3d9a744be6d0f17244447058ef5e00
SHA1

a13b28b784070ae943adfa51285073bdb5d005dc
SHA256

dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6
SHA512

28bf0771f2d423d31769f382d81c4058730e38cbd209eaad34342a6598b0f961da2dcdb59d9e0db3999354c471a7669abee2117d111fd600d0a146d0db1290ae
SSDEEP

12288:eeS04QhRKKkoTAWuRRxUqbQPlCEXNuBu3Fxfa8XTMfWK8FpPxkk2f15ARISPu+gP:dl4hToTAWuRRBbQdpBzfaCOYukWviISw

Score

10^/10

darkcomet modiloader kaspersky anti-virus discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Kaspersky Anti-Virus

mkidech.zapto.org:1604

Mutex

DC_MUTEX-QX72V3T

Attributes

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

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

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"	Kaspersky Anti-Virus.exe

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1948-26-0x0000000000400000-0x00000000004F2000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3060	Upgrade.exe
2648	Kaspersky Anti-Virus.exe
2608	msdcsc.exe

Loads dropped DLL 6 IoCs

pid	Process
1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
2648	Kaspersky Anti-Virus.exe
2648	Kaspersky Anti-Virus.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	Kaspersky Anti-Virus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	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 4 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Upgrade.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kaspersky Anti-Virus.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeSecurityPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeTakeOwnershipPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeLoadDriverPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeSystemProfilePrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeSystemtimePrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeProfSingleProcessPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeIncBasePriorityPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeCreatePagefilePrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeBackupPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeRestorePrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeShutdownPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeDebugPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeSystemEnvironmentPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeChangeNotifyPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeRemoteShutdownPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeUndockPrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeManageVolumePrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeImpersonatePrivilege	2648	Kaspersky Anti-Virus.exe
Token: SeCreateGlobalPrivilege	2648	Kaspersky Anti-Virus.exe
Token: 33	2648	Kaspersky Anti-Virus.exe
Token: 34	2648	Kaspersky Anti-Virus.exe
Token: 35	2648	Kaspersky Anti-Virus.exe
Token: SeIncreaseQuotaPrivilege	2608	msdcsc.exe
Token: SeSecurityPrivilege	2608	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2608	msdcsc.exe
Token: SeLoadDriverPrivilege	2608	msdcsc.exe
Token: SeSystemProfilePrivilege	2608	msdcsc.exe
Token: SeSystemtimePrivilege	2608	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2608	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2608	msdcsc.exe
Token: SeCreatePagefilePrivilege	2608	msdcsc.exe
Token: SeBackupPrivilege	2608	msdcsc.exe
Token: SeRestorePrivilege	2608	msdcsc.exe
Token: SeShutdownPrivilege	2608	msdcsc.exe
Token: SeDebugPrivilege	2608	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2608	msdcsc.exe
Token: SeChangeNotifyPrivilege	2608	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2608	msdcsc.exe
Token: SeUndockPrivilege	2608	msdcsc.exe
Token: SeManageVolumePrivilege	2608	msdcsc.exe
Token: SeImpersonatePrivilege	2608	msdcsc.exe
Token: SeCreateGlobalPrivilege	2608	msdcsc.exe
Token: 33	2608	msdcsc.exe
Token: 34	2608	msdcsc.exe
Token: 35	2608	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3060	Upgrade.exe
3060	Upgrade.exe
2608	msdcsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 3060	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	29
PID 1948 wrote to memory of 3060	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	29
PID 1948 wrote to memory of 3060	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	29
PID 1948 wrote to memory of 3060	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	29
PID 1948 wrote to memory of 2648	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	30
PID 1948 wrote to memory of 2648	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	30
PID 1948 wrote to memory of 2648	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	30
PID 1948 wrote to memory of 2648	1948	dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe	30
PID 2648 wrote to memory of 2608	2648	Kaspersky Anti-Virus.exe	31
PID 2648 wrote to memory of 2608	2648	Kaspersky Anti-Virus.exe	31
PID 2648 wrote to memory of 2608	2648	Kaspersky Anti-Virus.exe	31
PID 2648 wrote to memory of 2608	2648	Kaspersky Anti-Virus.exe	31

C:\Users\Admin\AppData\Local\Temp\dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe
"C:\Users\Admin\AppData\Local\Temp\dc561c8b1084253ebe75538353ad115963a6c26bf4b02bce516d70ef9ef09bf6N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\Upgrade.exe
  "C:\Users\Admin\AppData\Local\Temp\Upgrade.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3060
- C:\Users\Admin\AppData\Local\Temp\Kaspersky Anti-Virus.exe
  "C:\Users\Admin\AppData\Local\Temp\Kaspersky Anti-Virus.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2608

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

\Users\Admin\AppData\Local\Temp\Kaspersky Anti-Virus.exe

Filesize
333KB

MD5
eca6f73f0bad1fc2b1bc66b97b198b30

SHA1
2a510aa61c64b7ce3bb4de4feb2674b173e73dff

SHA256
d62523db3e9420e99856deba7cddf411ede9467c225a90945b284e8e5baeb724

SHA512
710a9948a2f1cfe31683fd283b1e87430262c7f38801bb7f69c6cc2469ccaf665da206b811be22bb5f749d46da2e332573fa535ea66caf4016f5dc8d5cfc5af2

Download Submit
\Users\Admin\AppData\Local\Temp\Upgrade.exe

Filesize
524KB

MD5
0ff5b6af6bf1b5addf53c87d8708f8b3

SHA1
31fe75ecd3cb684d6561cb9e4c395a9b962a008a

SHA256
010fae264448b14fa393205d2ed30d0882925ae1d7c936033c7114784e75e0ce

SHA512
94065a9bd90aebd70e6840a3dd2073197cf4d6c09e95700253dae2c81fd4ce1ee1f786bb4ccf08eb383e5059a1aff62296d1255d783e66f3ae50e30a9bb83d92

Download Submit
memory/1948-21-0x0000000003530000-0x0000000003619000-memory.dmp

Filesize
932KB

Download
memory/1948-29-0x0000000077270000-0x0000000077380000-memory.dmp

Filesize
1.1MB

Download
memory/1948-2-0x0000000000320000-0x000000000036E000-memory.dmp

Filesize
312KB

Download
memory/1948-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1948-0-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1948-8-0x0000000077270000-0x0000000077380000-memory.dmp

Filesize
1.1MB

Download
memory/1948-4-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download
memory/1948-5-0x0000000077DE0000-0x0000000077DE1000-memory.dmp

Filesize
4KB

Download
memory/1948-6-0x0000000077281000-0x0000000077282000-memory.dmp

Filesize
4KB

Download
memory/1948-3-0x0000000001F50000-0x0000000001F60000-memory.dmp

Filesize
64KB

Download
memory/1948-26-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1948-28-0x0000000000320000-0x000000000036E000-memory.dmp

Filesize
312KB

Download
memory/2608-46-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/2608-47-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/2608-49-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/2648-30-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/2648-44-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/2648-42-0x0000000003A00000-0x0000000003AE9000-memory.dmp

Filesize
932KB

Download
memory/2648-41-0x0000000003A00000-0x0000000003AE9000-memory.dmp

Filesize
932KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads