darkcomet | 37f9cee4a060f3a0db69833344d590afe89e745cb1a0d5f669ac72cb8fb6e030

General

Target

13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
Size

291KB
MD5

13d24c688ccb4dcb94b3938e703c1214
SHA1

ea5184bbded2ed09a0e1a0c1a6782dc036c5af41
SHA256

37f9cee4a060f3a0db69833344d590afe89e745cb1a0d5f669ac72cb8fb6e030
SHA512

cb4f148bc0477c24d24f147f3b313470a59c46af1fe25a1706a34ca39eb060038c63140c22d20b4d1d28f71b54ebd2e7285487049106c6cffcfa193058fa452a
SSDEEP

6144:Qf1f8zsg98ZCHKCALbSsNO8DUfH3c+kn26cZ1Rxd6GbKF/v/AYh:Qf1fatHKCALpObfLkyVcqYh

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

b6x.no-ip.biz:1604

Mutex

DC_MUTEX-2FXZTDM

Attributes

gencode
SUpeha8zaHc2
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exewebengine.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	webengine.exe

Executes dropped EXE 2 IoCs

Processes:

webengine.exeMSBuild.exe

pid process

4516 webengine.exe
2972 MSBuild.exe

pid	process
4516	webengine.exe
2972	MSBuild.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/212-7-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/212-8-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/212-11-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/212-10-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/212-9-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/212-13-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/212-14-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

webengine.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\webengine.exe"	webengine.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exeMSBuild.exe

description	pid	process	target process
PID 4812 set thread context of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 2972 set thread context of 5088	2972	MSBuild.exe	AppLaunch.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exewebengine.exeMSBuild.exe

pid	process
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe
2972	MSBuild.exe
4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
4516	webengine.exe

Suspicious use of AdjustPrivilegeToken 51 IoCs

Processes:

13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exeAppLaunch.exewebengine.exeMSBuild.exeAppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	212	AppLaunch.exe
Token: SeSecurityPrivilege	212	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	212	AppLaunch.exe
Token: SeLoadDriverPrivilege	212	AppLaunch.exe
Token: SeSystemProfilePrivilege	212	AppLaunch.exe
Token: SeSystemtimePrivilege	212	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	212	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	212	AppLaunch.exe
Token: SeCreatePagefilePrivilege	212	AppLaunch.exe
Token: SeBackupPrivilege	212	AppLaunch.exe
Token: SeRestorePrivilege	212	AppLaunch.exe
Token: SeShutdownPrivilege	212	AppLaunch.exe
Token: SeDebugPrivilege	212	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	212	AppLaunch.exe
Token: SeChangeNotifyPrivilege	212	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	212	AppLaunch.exe
Token: SeUndockPrivilege	212	AppLaunch.exe
Token: SeManageVolumePrivilege	212	AppLaunch.exe
Token: SeImpersonatePrivilege	212	AppLaunch.exe
Token: SeCreateGlobalPrivilege	212	AppLaunch.exe
Token: 33	212	AppLaunch.exe
Token: 34	212	AppLaunch.exe
Token: 35	212	AppLaunch.exe
Token: 36	212	AppLaunch.exe
Token: SeDebugPrivilege	4516	webengine.exe
Token: SeDebugPrivilege	2972	MSBuild.exe
Token: SeIncreaseQuotaPrivilege	5088	AppLaunch.exe
Token: SeSecurityPrivilege	5088	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	5088	AppLaunch.exe
Token: SeLoadDriverPrivilege	5088	AppLaunch.exe
Token: SeSystemProfilePrivilege	5088	AppLaunch.exe
Token: SeSystemtimePrivilege	5088	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	5088	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	5088	AppLaunch.exe
Token: SeCreatePagefilePrivilege	5088	AppLaunch.exe
Token: SeBackupPrivilege	5088	AppLaunch.exe
Token: SeRestorePrivilege	5088	AppLaunch.exe
Token: SeShutdownPrivilege	5088	AppLaunch.exe
Token: SeDebugPrivilege	5088	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	5088	AppLaunch.exe
Token: SeChangeNotifyPrivilege	5088	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	5088	AppLaunch.exe
Token: SeUndockPrivilege	5088	AppLaunch.exe
Token: SeManageVolumePrivilege	5088	AppLaunch.exe
Token: SeImpersonatePrivilege	5088	AppLaunch.exe
Token: SeCreateGlobalPrivilege	5088	AppLaunch.exe
Token: 33	5088	AppLaunch.exe
Token: 34	5088	AppLaunch.exe
Token: 35	5088	AppLaunch.exe
Token: 36	5088	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AppLaunch.exe

pid process

212 AppLaunch.exe

pid	process
212	AppLaunch.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exewebengine.exeMSBuild.exe

description	pid	process	target process
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 212	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	AppLaunch.exe
PID 4812 wrote to memory of 4516	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	webengine.exe
PID 4812 wrote to memory of 4516	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	webengine.exe
PID 4812 wrote to memory of 4516	4812	13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe	webengine.exe
PID 4516 wrote to memory of 2972	4516	webengine.exe	MSBuild.exe
PID 4516 wrote to memory of 2972	4516	webengine.exe	MSBuild.exe
PID 4516 wrote to memory of 2972	4516	webengine.exe	MSBuild.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe
PID 2972 wrote to memory of 5088	2972	MSBuild.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13d24c688ccb4dcb94b3938e703c1214_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812

C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:212

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516

C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\MSBuild.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972

C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:5088

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4436,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=3660 /prefetch:8
1⤵
PID:4784

Network

MITRE ATT&CK Matrix ATT&CK v13

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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
Filesize
291KB

MD5
13d24c688ccb4dcb94b3938e703c1214

SHA1
ea5184bbded2ed09a0e1a0c1a6782dc036c5af41

SHA256
37f9cee4a060f3a0db69833344d590afe89e745cb1a0d5f669ac72cb8fb6e030

SHA512
cb4f148bc0477c24d24f147f3b313470a59c46af1fe25a1706a34ca39eb060038c63140c22d20b4d1d28f71b54ebd2e7285487049106c6cffcfa193058fa452a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\webengine.exe
Filesize
9KB

MD5
5a19da48df184cd3bdbb514a3ef479ce

SHA1
64854ac93e3d399bf75cad4c83bca183528b60c1

SHA256
831ba43d7f75aea5f825767cfab7ca2bce044b920db0dbc7b07f28614270dde7

SHA512
cf50f3b57135e6c2ef1efec00a89b2ca2d443daf7de2faee30fd80776ccca4e7535f11777e1339e97932387a948b58ca5a5e55269421729da2a624c5e51f0fac

Download Submit
memory/212-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/212-13-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/212-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/212-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/212-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/212-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/212-12-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/212-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4516-38-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/4516-40-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-25-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/4516-26-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-27-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4516-39-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-36-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/4812-37-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-35-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-0-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads