darkcomet | de656fdeb6d650bb5cfb925fd062e124854a95540a4973dd5a8f6ef38b1c51a4

General

Target

88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe
Size

618KB
MD5

88fabbe973974e054bd3f1499c684146
SHA1

cfdb04b0cf3093fbae112318c9d283bd0055bbd4
SHA256

de656fdeb6d650bb5cfb925fd062e124854a95540a4973dd5a8f6ef38b1c51a4
SHA512

85db8e1ff05256c765331f45859959566057bd4dae69687ccdb2ed2a2809450f8210b616c434af7e734effd29a72e6f9b80031889fb2e00adeb5ad46e52ec50d
SSDEEP

12288:sc8ZpLqJNwk/q3sN0Ip6itoKXhys+hwxCd0hGc:aZpuLwwq8BbowhysEwxpr

Score

10^/10

darkcomet discovery evasion rat trojan upx

Malware Config

Signatures

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

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	svchost.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	svchost.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe

Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

svchost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate svchost.exe
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2752 svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svchost.exe

pid	process
2752	svchost.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe

description pid process target process

PID 1728 set thread context of 2752 1728 88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe svchost.exe

description	pid	process	target process
PID 1728 set thread context of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe

UPX packed file 27 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2752-17-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-20-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-15-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-11-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-24-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-25-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-29-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-28-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-27-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-23-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-21-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-12-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-30-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-31-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-32-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-33-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-34-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-35-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-36-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-37-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-38-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-39-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-40-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-41-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-42-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-43-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral1/memory/2752-44-0x0000000000400000-0x00000000004F7000-memory.dmp	upx

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

Processes:

88fabbe973974e054bd3f1499c684146_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

svchost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier svchost.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

svchost.exe

pid process

2752 svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svchost.exe

pid	process
2752	svchost.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2752	svchost.exe
Token: SeSecurityPrivilege	2752	svchost.exe
Token: SeTakeOwnershipPrivilege	2752	svchost.exe
Token: SeLoadDriverPrivilege	2752	svchost.exe
Token: SeSystemProfilePrivilege	2752	svchost.exe
Token: SeSystemtimePrivilege	2752	svchost.exe
Token: SeProfSingleProcessPrivilege	2752	svchost.exe
Token: SeIncBasePriorityPrivilege	2752	svchost.exe
Token: SeCreatePagefilePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeShutdownPrivilege	2752	svchost.exe
Token: SeDebugPrivilege	2752	svchost.exe
Token: SeSystemEnvironmentPrivilege	2752	svchost.exe
Token: SeChangeNotifyPrivilege	2752	svchost.exe
Token: SeRemoteShutdownPrivilege	2752	svchost.exe
Token: SeUndockPrivilege	2752	svchost.exe
Token: SeManageVolumePrivilege	2752	svchost.exe
Token: SeImpersonatePrivilege	2752	svchost.exe
Token: SeCreateGlobalPrivilege	2752	svchost.exe
Token: 33	2752	svchost.exe
Token: 34	2752	svchost.exe
Token: 35	2752	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe

description	pid	process	target process
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe
PID 1728 wrote to memory of 2752	1728	88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe	svchost.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88fabbe973974e054bd3f1499c684146_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\svchost.exe
  C:\svchost.exe
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - System policy modification
  PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

3

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

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

Replay Monitor

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Downloads

C:\svchost.exe

Filesize
2KB

MD5
4428c969f83fe0fb6bb2a635fe605bce

SHA1
15efa531bc399c5e92d72cf266f8e18b4ec78bb0

SHA256
458b17876c0ea9ce182b9966f97d7617600ac6cb95c363cc7f33aec420424151

SHA512
4896c3e06391a7caca83ae36fd2a093af81ad6165979ed23232fb35a4d85a7188ecbbc66e720c4cd3d86e4c5546848ce7b02e5d8e28cd02ca0c246b091e9d809

Download Submit
memory/1728-0-0x0000000074A41000-0x0000000074A42000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-2-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-22-0x0000000074A40000-0x0000000074FEB000-memory.dmp

Filesize
5.7MB

Download
memory/2752-11-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-30-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-15-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-17-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-24-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-26-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2752-25-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-29-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-28-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-27-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-23-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-9-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-21-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-12-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-20-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-31-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-32-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-33-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-34-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-35-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-36-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-37-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-38-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-39-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-40-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-41-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-42-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-43-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2752-44-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads