darkcomet | 96490026c9ac2643164c9ebd47941c560ecf92f513d113a4f15978d9384efd86

General

Target

JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe
Size

1.2MB
MD5

eb3ed8ce02dd129b9ea0e9aa85cb02db
SHA1

8633cda2940944c6073de1d75ecab528bb8e5bcb
SHA256

96490026c9ac2643164c9ebd47941c560ecf92f513d113a4f15978d9384efd86
SHA512

c2c8c3c09e542ed479b5bbfab35522b2a2307c3a87609968ad0fb0f67230d53559b6a63bdff8c4a42976d91d3442a25930ef4a5df6124b224e6862aa49f908c1
SSDEEP

12288:EAXi8O4mAL/cKaUNGCYrWkW+2npQ3g5KhUy4GW3BLdIBPl76Dx4ASNLAwE0iM7SL:E8IWb2NWxpjRQj6DFfsZbVQpEvw

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

arsene.no-ip.org:1350

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
ZxMiUyHTcjhb
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe

Executes dropped EXE 1 IoCs

pid	Process
3152	processname.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-1-5-21-2508704002-2325818048-3575902788-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ = "C:\\Users\\Admin\\AppData\\Roaming\\vbsfdgbs.exe"	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5068 set thread context of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87

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 3 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_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	processname.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3152	processname.exe
Token: SeSecurityPrivilege	3152	processname.exe
Token: SeTakeOwnershipPrivilege	3152	processname.exe
Token: SeLoadDriverPrivilege	3152	processname.exe
Token: SeSystemProfilePrivilege	3152	processname.exe
Token: SeSystemtimePrivilege	3152	processname.exe
Token: SeProfSingleProcessPrivilege	3152	processname.exe
Token: SeIncBasePriorityPrivilege	3152	processname.exe
Token: SeCreatePagefilePrivilege	3152	processname.exe
Token: SeBackupPrivilege	3152	processname.exe
Token: SeRestorePrivilege	3152	processname.exe
Token: SeShutdownPrivilege	3152	processname.exe
Token: SeDebugPrivilege	3152	processname.exe
Token: SeSystemEnvironmentPrivilege	3152	processname.exe
Token: SeChangeNotifyPrivilege	3152	processname.exe
Token: SeRemoteShutdownPrivilege	3152	processname.exe
Token: SeUndockPrivilege	3152	processname.exe
Token: SeManageVolumePrivilege	3152	processname.exe
Token: SeImpersonatePrivilege	3152	processname.exe
Token: SeCreateGlobalPrivilege	3152	processname.exe
Token: 33	3152	processname.exe
Token: 34	3152	processname.exe
Token: 35	3152	processname.exe
Token: 36	3152	processname.exe
Token: SeRestorePrivilege	3400	dw20.exe
Token: SeBackupPrivilege	3400	dw20.exe
Token: SeBackupPrivilege	3400	dw20.exe
Token: SeBackupPrivilege	3400	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3152	processname.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3152	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	87
PID 5068 wrote to memory of 3400	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	89
PID 5068 wrote to memory of 3400	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	89
PID 5068 wrote to memory of 3400	5068	JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb3ed8ce02dd129b9ea0e9aa85cb02db.exe"
1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Users\Admin\AppData\Roaming\processname.exe
  C:\Users\Admin\AppData\Roaming\processname.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3152
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1396
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\processname.exe

Filesize
1KB

MD5
3a59a4a04feeabfdc9c0e3cb4f0127fb

SHA1
c797b6208d6f0db0e07cf4c94f5904ca45648661

SHA256
89e8caef7c451837923a0363d8a7b6994f9cbfc9c9515800dcec2c5ea2ff4d48

SHA512
f7762ef018f8cdbfbd7e7efacc9e324bd90ef3422565f1dbbe1288e7e5d750d3268e663f19bcf14ac8b64e166bcbd0b74ba49f26960bf20fb22ec4777ab63510

Download Submit
memory/3152-24-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-34-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-37-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-13-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-14-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/3152-36-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-23-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-35-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-26-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-27-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-25-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-28-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-29-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-30-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-31-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-32-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3152-33-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5068-2-0x00000000740F0000-0x00000000746A1000-memory.dmp

Filesize
5.7MB

Download
memory/5068-0-0x00000000740F2000-0x00000000740F3000-memory.dmp

Filesize
4KB

Download
memory/5068-21-0x00000000740F0000-0x00000000746A1000-memory.dmp

Filesize
5.7MB

Download
memory/5068-1-0x00000000740F0000-0x00000000746A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads