darkcomet | 08057b729ad21b690a8a7130c81684b7635beb9f692520a081c926b21d3cbca3

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 10:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
Size

1.4MB
MD5

f38dd1bc726b59e23dfaac331981349f
SHA1

6e9a25eeff4f7e6e3e9b1ed4314eff886433aff9
SHA256

08057b729ad21b690a8a7130c81684b7635beb9f692520a081c926b21d3cbca3
SHA512

a17d5a0e912bc0bca35679c20ddd908c3e8a69705fc1096ac497178d396b23ad94d72de66ece1098968c7a00e1a1ac0bd853dd33e93c6da51436b6b0cd905502
SSDEEP

24576:0aHMv6CorjqnyC8llDnsHDumtkowIN/Vfy2t+G5ezJ52bLlL:01vqjdC8rDsH7tkowQtq2t+GQ4lL

Score

10^/10

darkcomet m&m discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

M&M

nikagogichaishvili.no-ip.info:1604

Mutex

DC_MUTEX-98H0DN8

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
nn4atqrKN3Pk
install
true
offline_keylogger
true
persistence
true
reg_key
svchost

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:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	uncrypted.exe

Executes dropped EXE 2 IoCs

pid	Process
748	uncrypted.exe
2576	msdcsc.exe

Loads dropped DLL 7 IoCs

pid	Process
1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
748	uncrypted.exe
748	uncrypted.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	uncrypted.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	msdcsc.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1796-0-0x0000000000400000-0x00000000004E4000-memory.dmp	autoit_exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	uncrypted.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	uncrypted.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	uncrypted.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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uncrypted.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	748	uncrypted.exe
Token: SeSecurityPrivilege	748	uncrypted.exe
Token: SeTakeOwnershipPrivilege	748	uncrypted.exe
Token: SeLoadDriverPrivilege	748	uncrypted.exe
Token: SeSystemProfilePrivilege	748	uncrypted.exe
Token: SeSystemtimePrivilege	748	uncrypted.exe
Token: SeProfSingleProcessPrivilege	748	uncrypted.exe
Token: SeIncBasePriorityPrivilege	748	uncrypted.exe
Token: SeCreatePagefilePrivilege	748	uncrypted.exe
Token: SeBackupPrivilege	748	uncrypted.exe
Token: SeRestorePrivilege	748	uncrypted.exe
Token: SeShutdownPrivilege	748	uncrypted.exe
Token: SeDebugPrivilege	748	uncrypted.exe
Token: SeSystemEnvironmentPrivilege	748	uncrypted.exe
Token: SeChangeNotifyPrivilege	748	uncrypted.exe
Token: SeRemoteShutdownPrivilege	748	uncrypted.exe
Token: SeUndockPrivilege	748	uncrypted.exe
Token: SeManageVolumePrivilege	748	uncrypted.exe
Token: SeImpersonatePrivilege	748	uncrypted.exe
Token: SeCreateGlobalPrivilege	748	uncrypted.exe
Token: 33	748	uncrypted.exe
Token: 34	748	uncrypted.exe
Token: 35	748	uncrypted.exe
Token: SeIncreaseQuotaPrivilege	2576	msdcsc.exe
Token: SeSecurityPrivilege	2576	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2576	msdcsc.exe
Token: SeLoadDriverPrivilege	2576	msdcsc.exe
Token: SeSystemProfilePrivilege	2576	msdcsc.exe
Token: SeSystemtimePrivilege	2576	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2576	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2576	msdcsc.exe
Token: SeCreatePagefilePrivilege	2576	msdcsc.exe
Token: SeBackupPrivilege	2576	msdcsc.exe
Token: SeRestorePrivilege	2576	msdcsc.exe
Token: SeShutdownPrivilege	2576	msdcsc.exe
Token: SeDebugPrivilege	2576	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2576	msdcsc.exe
Token: SeChangeNotifyPrivilege	2576	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2576	msdcsc.exe
Token: SeUndockPrivilege	2576	msdcsc.exe
Token: SeManageVolumePrivilege	2576	msdcsc.exe
Token: SeImpersonatePrivilege	2576	msdcsc.exe
Token: SeCreateGlobalPrivilege	2576	msdcsc.exe
Token: 33	2576	msdcsc.exe
Token: 34	2576	msdcsc.exe
Token: 35	2576	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2576	msdcsc.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 748	1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	31
PID 1796 wrote to memory of 748	1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	31
PID 1796 wrote to memory of 748	1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	31
PID 1796 wrote to memory of 748	1796	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	31
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2764	748	uncrypted.exe	32
PID 748 wrote to memory of 2576	748	uncrypted.exe	33
PID 748 wrote to memory of 2576	748	uncrypted.exe	33
PID 748 wrote to memory of 2576	748	uncrypted.exe	33
PID 748 wrote to memory of 2576	748	uncrypted.exe	33

C:\Users\Admin\AppData\Local\Temp\f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\uncrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\uncrypted.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2764
- - C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
    "C:\Windows\system32\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:2576

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\crypt

Filesize
658KB

MD5
25b50d5bfcc64eefed6923996eac9263

SHA1
3d21f19f1f80b0a769e5dc740da6be77ff493e97

SHA256
f308102b56a1df121be5b061d6682450e99a2d5c5f2534f3aa8e8f9755585efa

SHA512
8e3df0fe8d2c426852f9e6f0a3e68c874f426a44b01a8ca93bed16647818fd835f6069a3de0a843eb88176c9ffc63b7ab3efe5e45ba856ff5bd0207f4050491f

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

Filesize
658KB

MD5
311eb91a09dded4b45ef968d5f4cd392

SHA1
cbf4b49206369fe2754859a3b9f39bed587f2abd

SHA256
fc3d9eb6b9997e3aad2e69cd4ef8fb3c874568908b36d7a72bc88e12af7be404

SHA512
2d9e8150d4698f83069c4f69c1651c397711548a21e1a848237d6b905bf3828417a083a8ff16bc4212e6599084af8aef1b97eab468e1b9dfc7e4fd35baf106b9

Download Submit
memory/748-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-25-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1796-0-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/2576-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2764-48-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2764-29-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads