darkcomet | d30de0a40f5a5851379af03e76911fd7c022f7aa9018c179961aa7a0f48a73ad

General

Target

b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
Size

914KB
MD5

b5af5285070465af31c6b4dd73bc3493
SHA1

058681ca8684f531b39c526542b1bba0800ec4f2
SHA256

d30de0a40f5a5851379af03e76911fd7c022f7aa9018c179961aa7a0f48a73ad
SHA512

45f98af19bcebbcd56acc7d9800a618ffe1d2b1bf9cf34d8952be3630ec8d33d71bacaab6ebd432169c190673ba3c9e15694aca815004a0b9dfe2033fab2400b
SSDEEP

12288:92EhMcKt6KyueLBwArmUXH/D1Bpxp5Oo3vU0JcCQ9xixX83hCYXepMC:UCMNwKybL1rmUXr1Bpxp5Oo5bmUMCYi

Score

10^/10

darkcomet troojan discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

troojan

C2

redhack.no-ip.org:1604

Mutex

DC_MUTEX-7W024N2

Attributes

gencode
pdje5fX5ERUV
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	cvtres.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	cvtres.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	cvtres.exe

Disables Task Manager via registry modification
evasion

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe"	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	5000	cvtres.exe
Token: SeSecurityPrivilege	5000	cvtres.exe
Token: SeTakeOwnershipPrivilege	5000	cvtres.exe
Token: SeLoadDriverPrivilege	5000	cvtres.exe
Token: SeSystemProfilePrivilege	5000	cvtres.exe
Token: SeSystemtimePrivilege	5000	cvtres.exe
Token: SeProfSingleProcessPrivilege	5000	cvtres.exe
Token: SeIncBasePriorityPrivilege	5000	cvtres.exe
Token: SeCreatePagefilePrivilege	5000	cvtres.exe
Token: SeBackupPrivilege	5000	cvtres.exe
Token: SeRestorePrivilege	5000	cvtres.exe
Token: SeShutdownPrivilege	5000	cvtres.exe
Token: SeDebugPrivilege	5000	cvtres.exe
Token: SeSystemEnvironmentPrivilege	5000	cvtres.exe
Token: SeChangeNotifyPrivilege	5000	cvtres.exe
Token: SeRemoteShutdownPrivilege	5000	cvtres.exe
Token: SeUndockPrivilege	5000	cvtres.exe
Token: SeManageVolumePrivilege	5000	cvtres.exe
Token: SeImpersonatePrivilege	5000	cvtres.exe
Token: SeCreateGlobalPrivilege	5000	cvtres.exe
Token: 33	5000	cvtres.exe
Token: 34	5000	cvtres.exe
Token: 35	5000	cvtres.exe
Token: 36	5000	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5000	cvtres.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84
PID 3028 wrote to memory of 5000	3028	b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5af5285070465af31c6b4dd73bc3493_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  - Modifies security service
  - Windows security bypass
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5000

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3028-8-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3028-1-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3028-0-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/5000-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-5-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-4-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5000-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads