darkcomet | e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4

Analysis

max time kernel
111s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/10/2024, 07:41

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General

Target

e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe
Size

849KB
MD5

5af9f8351c27c32d1c9d2179a34a0620
SHA1

b5046e105332a7fe6c71bd0f7d676158f30309f9
SHA256

e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4
SHA512

436d353271c2e9a1282c89b84fca67d9f03891d0a4800902cd580fae071ff28aa361f2bdfd31bb207a84edc9d029a6257f8f8954f0092f033122dbd048adec62
SSDEEP

24576:o/QCXJSjgFOc433HWfFLj9kN+z9SprkSf2:F6Sjgp2m939kY90Lu

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

46.130.27.71:2000

Mutex

DC_MUTEX-NDU3QZA

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
qghUM0qoxpi0
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

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"	ãã.exe

Executes dropped EXE 2 IoCs

pid	Process
1736	ãã.exe
2816	msdcsc.exe

Loads dropped DLL 4 IoCs

pid	Process
2540	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe
2540	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe
1736	ãã.exe
1736	ãã.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ãã.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012117-3.dat	upx
behavioral1/memory/1736-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1736-28-0x0000000003DF0000-0x0000000003EA7000-memory.dmp	upx
behavioral1/memory/2816-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1736-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2816-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2816-38-0x0000000000400000-0x00000000004B7000-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 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	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ãã.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1736	ãã.exe
Token: SeSecurityPrivilege	1736	ãã.exe
Token: SeTakeOwnershipPrivilege	1736	ãã.exe
Token: SeLoadDriverPrivilege	1736	ãã.exe
Token: SeSystemProfilePrivilege	1736	ãã.exe
Token: SeSystemtimePrivilege	1736	ãã.exe
Token: SeProfSingleProcessPrivilege	1736	ãã.exe
Token: SeIncBasePriorityPrivilege	1736	ãã.exe
Token: SeCreatePagefilePrivilege	1736	ãã.exe
Token: SeBackupPrivilege	1736	ãã.exe
Token: SeRestorePrivilege	1736	ãã.exe
Token: SeShutdownPrivilege	1736	ãã.exe
Token: SeDebugPrivilege	1736	ãã.exe
Token: SeSystemEnvironmentPrivilege	1736	ãã.exe
Token: SeChangeNotifyPrivilege	1736	ãã.exe
Token: SeRemoteShutdownPrivilege	1736	ãã.exe
Token: SeUndockPrivilege	1736	ãã.exe
Token: SeManageVolumePrivilege	1736	ãã.exe
Token: SeImpersonatePrivilege	1736	ãã.exe
Token: SeCreateGlobalPrivilege	1736	ãã.exe
Token: 33	1736	ãã.exe
Token: 34	1736	ãã.exe
Token: 35	1736	ãã.exe
Token: SeIncreaseQuotaPrivilege	2816	msdcsc.exe
Token: SeSecurityPrivilege	2816	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2816	msdcsc.exe
Token: SeLoadDriverPrivilege	2816	msdcsc.exe
Token: SeSystemProfilePrivilege	2816	msdcsc.exe
Token: SeSystemtimePrivilege	2816	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2816	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2816	msdcsc.exe
Token: SeCreatePagefilePrivilege	2816	msdcsc.exe
Token: SeBackupPrivilege	2816	msdcsc.exe
Token: SeRestorePrivilege	2816	msdcsc.exe
Token: SeShutdownPrivilege	2816	msdcsc.exe
Token: SeDebugPrivilege	2816	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2816	msdcsc.exe
Token: SeChangeNotifyPrivilege	2816	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2816	msdcsc.exe
Token: SeUndockPrivilege	2816	msdcsc.exe
Token: SeManageVolumePrivilege	2816	msdcsc.exe
Token: SeImpersonatePrivilege	2816	msdcsc.exe
Token: SeCreateGlobalPrivilege	2816	msdcsc.exe
Token: 33	2816	msdcsc.exe
Token: 34	2816	msdcsc.exe
Token: 35	2816	msdcsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2816	msdcsc.exe
2256	DllHost.exe
2256	DllHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1736	2540	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe	30
PID 2540 wrote to memory of 1736	2540	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe	30
PID 2540 wrote to memory of 1736	2540	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe	30
PID 2540 wrote to memory of 1736	2540	e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe	30
PID 1736 wrote to memory of 2816	1736	ãã.exe	32
PID 1736 wrote to memory of 2816	1736	ãã.exe	32
PID 1736 wrote to memory of 2816	1736	ãã.exe	32
PID 1736 wrote to memory of 2816	1736	ãã.exe	32

C:\Users\Admin\AppData\Local\Temp\e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe
"C:\Users\Admin\AppData\Local\Temp\e95cc70d8ce174cc2b28667e97552a26a91fcb7991d32a81fd23c9460af69af4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\ãã.exe
  "C:\Users\Admin\AppData\Local\Temp\ãã.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:1736
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2816

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2256

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

C:\Users\Admin\AppData\Local\Temp\Love-wallpaper-love-4187632-1920-1200.jpg

Filesize
607KB

MD5
9112df1b4e0eb539ac980cb4e21b29a8

SHA1
c44136037303b0e8d28f59e2657f308241ca6c9c

SHA256
2f3991ac90c2b4dd9718db100dda1fcfb203cd2e5fd67665b91059b8c25bc022

SHA512
e5438e1a71be657e76418be68e3b4a78ad8fac71485fc8c72812c21bc9bf2b109ad7fdbcf534f824aa24e952dfe6cef677b632c9db7d49eb23cb8274dbba097e

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

Filesize
251KB

MD5
b0ee29daad196846092c646453938d80

SHA1
c72fd553d44745b81a285be1d46214f11610d89d

SHA256
b78166222dfa01f6583443162cc1d4780347943297ccf30eb114ba61119f2765

SHA512
582ba8bf7817ebef597e9520183adb28946388a54e494769016a0ad0108a4391f0f111dcb0f5d8e64fa7a351e698a8fe888eb84da4ac1e8de6fd33136b2bd980

Download Submit
memory/1736-28-0x0000000003DF0000-0x0000000003EA7000-memory.dmp

Filesize
732KB

Download
memory/1736-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1736-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1736-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1736-29-0x0000000003DF0000-0x0000000003EA7000-memory.dmp

Filesize
732KB

Download
memory/2256-20-0x0000000000160000-0x0000000000162000-memory.dmp

Filesize
8KB

Download
memory/2540-12-0x0000000002C30000-0x0000000002CE7000-memory.dmp

Filesize
732KB

Download
memory/2540-19-0x0000000002620000-0x0000000002622000-memory.dmp

Filesize
8KB

Download
memory/2540-11-0x0000000002C30000-0x0000000002CE7000-memory.dmp

Filesize
732KB

Download
memory/2816-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2816-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2816-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads