darkcomet | 96a973f6ec1b985ad4224870800fbbe369e5838dbc994c16d7ce8f8c3b30e8a1

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 19:25

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General

Target

cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe
Size

926KB
MD5

cea0ff40beb91736ba2442b69237667b
SHA1

a43ca7c487363b53158573b25cc29888763cc626
SHA256

96a973f6ec1b985ad4224870800fbbe369e5838dbc994c16d7ce8f8c3b30e8a1
SHA512

3a1298c556a36a27e8e48540abea44728ce2b06d7f41a0c8478161078d6a0773728013acce007a23ca433bbbef0e1160f857e1618a4b16fda9c8b5199d936397
SSDEEP

24576:0vVGhnqrpqUruyeG0ZN3DIeriQv0XwQjGp:PJ48UKfGw1DniQveg

Score

10^/10

darkcomet m@trix discovery evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

M@trix

matrixgx.no-ip.biz:1604

Mutex

DC_MUTEX-LCLDLR3

Attributes

InstallPath
RealPlayer\%TEMP%.exe
gencode
kzX7VMDXdUly
install
true
offline_keylogger
true
persistence
true
reg_key
RealUpd

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\\AppData\\Roaming\\RealPlayer\\%TEMP%.exe"	1.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	%TEMP%.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	%TEMP%.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	%TEMP%.exe

Executes dropped EXE 3 IoCs

pid	Process
1200	1.exe
1248	2.exe
2868	%TEMP%.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	1.exe
1200	1.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\RealUpd = "C:\\Users\\Admin\\AppData\\Roaming\\RealPlayer\\%TEMP%.exe"	1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\RealUpd = "C:\\Users\\Admin\\AppData\\Roaming\\RealPlayer\\%TEMP%.exe"	%TEMP%.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000700000001938e-16.dat	upx
behavioral1/memory/1248-17-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-73-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-72-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-75-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-77-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-79-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-81-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-83-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-85-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-87-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-89-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-91-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-93-0x0000000000400000-0x000000000079B000-memory.dmp	upx
behavioral1/memory/1248-95-0x0000000000400000-0x000000000079B000-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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	%TEMP%.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1248	2.exe
2868	%TEMP%.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1200	1.exe
Token: SeSecurityPrivilege	1200	1.exe
Token: SeTakeOwnershipPrivilege	1200	1.exe
Token: SeLoadDriverPrivilege	1200	1.exe
Token: SeSystemProfilePrivilege	1200	1.exe
Token: SeSystemtimePrivilege	1200	1.exe
Token: SeProfSingleProcessPrivilege	1200	1.exe
Token: SeIncBasePriorityPrivilege	1200	1.exe
Token: SeCreatePagefilePrivilege	1200	1.exe
Token: SeBackupPrivilege	1200	1.exe
Token: SeRestorePrivilege	1200	1.exe
Token: SeShutdownPrivilege	1200	1.exe
Token: SeDebugPrivilege	1200	1.exe
Token: SeSystemEnvironmentPrivilege	1200	1.exe
Token: SeChangeNotifyPrivilege	1200	1.exe
Token: SeRemoteShutdownPrivilege	1200	1.exe
Token: SeUndockPrivilege	1200	1.exe
Token: SeManageVolumePrivilege	1200	1.exe
Token: SeImpersonatePrivilege	1200	1.exe
Token: SeCreateGlobalPrivilege	1200	1.exe
Token: 33	1200	1.exe
Token: 34	1200	1.exe
Token: 35	1200	1.exe
Token: SeIncreaseQuotaPrivilege	2868	%TEMP%.exe
Token: SeSecurityPrivilege	2868	%TEMP%.exe
Token: SeTakeOwnershipPrivilege	2868	%TEMP%.exe
Token: SeLoadDriverPrivilege	2868	%TEMP%.exe
Token: SeSystemProfilePrivilege	2868	%TEMP%.exe
Token: SeSystemtimePrivilege	2868	%TEMP%.exe
Token: SeProfSingleProcessPrivilege	2868	%TEMP%.exe
Token: SeIncBasePriorityPrivilege	2868	%TEMP%.exe
Token: SeCreatePagefilePrivilege	2868	%TEMP%.exe
Token: SeBackupPrivilege	2868	%TEMP%.exe
Token: SeRestorePrivilege	2868	%TEMP%.exe
Token: SeShutdownPrivilege	2868	%TEMP%.exe
Token: SeDebugPrivilege	2868	%TEMP%.exe
Token: SeSystemEnvironmentPrivilege	2868	%TEMP%.exe
Token: SeChangeNotifyPrivilege	2868	%TEMP%.exe
Token: SeRemoteShutdownPrivilege	2868	%TEMP%.exe
Token: SeUndockPrivilege	2868	%TEMP%.exe
Token: SeManageVolumePrivilege	2868	%TEMP%.exe
Token: SeImpersonatePrivilege	2868	%TEMP%.exe
Token: SeCreateGlobalPrivilege	2868	%TEMP%.exe
Token: 33	2868	%TEMP%.exe
Token: 34	2868	%TEMP%.exe
Token: 35	2868	%TEMP%.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2868	%TEMP%.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1200	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1200	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1200	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1200	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1248	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	32
PID 2568 wrote to memory of 1248	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	32
PID 2568 wrote to memory of 1248	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	32
PID 2568 wrote to memory of 1248	2568	cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe	32
PID 1200 wrote to memory of 2868	1200	1.exe	33
PID 1200 wrote to memory of 2868	1200	1.exe	33
PID 1200 wrote to memory of 2868	1200	1.exe	33
PID 1200 wrote to memory of 2868	1200	1.exe	33
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34
PID 2868 wrote to memory of 2756	2868	%TEMP%.exe	34

C:\Users\Admin\AppData\Local\Temp\cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cea0ff40beb91736ba2442b69237667b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\1.exe
  "C:\Users\Admin\AppData\Local\Temp\1.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:1200
- - C:\Users\Admin\AppData\Roaming\RealPlayer\%TEMP%.exe
    "C:\Users\Admin\AppData\Roaming\RealPlayer\%TEMP%.exe"
    3⤵
    - Modifies firewall policy service
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2868
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:2756
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1248

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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\1.exe

Filesize
690KB

MD5
45eb357bd7e13451a15e96c151f85d71

SHA1
1c69258927c4e2dcc7b154fdf64468e2d62dde4e

SHA256
c97da2ada1e7f2a498995d806542181bd0e42283f01a158e4abb917733cf151d

SHA512
c439d6e9efdb74bb1405849a1356399a7a538b2dacec9a5f09953ff9ef12b257e325127ecbc0898734f1907648a6209a5151ba740a71bfd7f5fa3f8fa56291f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
222KB

MD5
5bf28e61b1c3ec7f3ede92262a8e7231

SHA1
2c15790344fddfea7d76a31776b4c3be036c5bc9

SHA256
9c0208af1eeb9f75c5fd3971a816ca30947c935fa4a29fec97a4574312b4522e

SHA512
e52acc2dafc665753693d61f5cdc0548bcf6f27e6412751bd5f7dc1cfdd3cd79f3a2496242e955aa4d9e5a1be8855885d3b8949c0e6e1fd0367cad6794e1aaab

Download Submit
memory/1200-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1248-95-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-91-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-85-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-81-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-17-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-87-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-79-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-83-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-89-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-73-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-72-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-93-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-75-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/1248-77-0x0000000000400000-0x000000000079B000-memory.dmp

Filesize
3.6MB

Download
memory/2568-6-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2568-3-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2568-0-0x000007FEF540E000-0x000007FEF540F000-memory.dmp

Filesize
4KB

Download
memory/2568-18-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2568-2-0x000000001AE70000-0x000000001AF5C000-memory.dmp

Filesize
944KB

Download
memory/2568-1-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Filesize
9.6MB

Download
memory/2756-70-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2756-32-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2868-90-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-86-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-80-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-88-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-78-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-84-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-92-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-94-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-82-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-96-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads