darkcomet | d1bd4c50eb5f9720f866793d9062c3596c147588778a1842d4f44af34bfac6be

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 23:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
Size 802KB
Sample240822-3dv1dawall
SHA256 d1bd4c50eb5f9720f866793d9062c3596c147588778a1842d4f44af34bfac6be
MD5 b979020d846ef76746d2c273b7f90af1
SHA1 e94b6f19fa423e0905ab9a2b9ee61ffcd5cb486a
SHA512 facc09660611c062427376919becafaf007e62bbf19e73d88dc912e7d770de68c8f37314ed5fe44f7b426ecd93ed59570194f9caab41afb27bc476a504a5d760
SSDEEP 24576:NSABEhmKLM1CioJuYrASHWuZw2uTZNsv75rG0jby:NSABwLxuA/WuG2aIjn6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet latentbot aryan discovery evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Aryan

arcanusmarkus.zapto.org:1604

Mutex

DC_MUTEX-KG5M2GM

Attributes

gencode
F63AR93Wk9PU
install
false
offline_keylogger
true
persistence
false

Extracted

Family

latentbot

arcanusmarkus.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

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"	vbc.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"	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	vbc.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2652	ARYFINALCR (1).EXE
1572	UBERBOT.EXE

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3592-0-0x00000000004F0000-0x000000000079A000-memory.dmp	upx
behavioral2/memory/3592-25-0x00000000004F0000-0x000000000079A000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Process Manager = "C:\\Users\\Admin\\AppData\\Roaming\\processmgr.exe"	ARYFINALCR (1).EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 1696	2652	ARYFINALCR (1).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 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	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ARYFINALCR (1).EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UBERBOT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1696	vbc.exe
Token: SeSecurityPrivilege	1696	vbc.exe
Token: SeTakeOwnershipPrivilege	1696	vbc.exe
Token: SeLoadDriverPrivilege	1696	vbc.exe
Token: SeSystemProfilePrivilege	1696	vbc.exe
Token: SeSystemtimePrivilege	1696	vbc.exe
Token: SeProfSingleProcessPrivilege	1696	vbc.exe
Token: SeIncBasePriorityPrivilege	1696	vbc.exe
Token: SeCreatePagefilePrivilege	1696	vbc.exe
Token: SeBackupPrivilege	1696	vbc.exe
Token: SeRestorePrivilege	1696	vbc.exe
Token: SeShutdownPrivilege	1696	vbc.exe
Token: SeDebugPrivilege	1696	vbc.exe
Token: SeSystemEnvironmentPrivilege	1696	vbc.exe
Token: SeChangeNotifyPrivilege	1696	vbc.exe
Token: SeRemoteShutdownPrivilege	1696	vbc.exe
Token: SeUndockPrivilege	1696	vbc.exe
Token: SeManageVolumePrivilege	1696	vbc.exe
Token: SeImpersonatePrivilege	1696	vbc.exe
Token: SeCreateGlobalPrivilege	1696	vbc.exe
Token: 33	1696	vbc.exe
Token: 34	1696	vbc.exe
Token: 35	1696	vbc.exe
Token: 36	1696	vbc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1696	vbc.exe
1572	UBERBOT.EXE
1572	UBERBOT.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 2652	3592	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	84
PID 3592 wrote to memory of 2652	3592	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	84
PID 3592 wrote to memory of 2652	3592	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	84
PID 3592 wrote to memory of 1572	3592	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	86
PID 3592 wrote to memory of 1572	3592	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	86
PID 3592 wrote to memory of 1572	3592	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	86
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87
PID 2652 wrote to memory of 1696	2652	ARYFINALCR (1).EXE	87

C:\Users\Admin\AppData\Local\Temp\b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\ARYFINALCR (1).EXE
  "C:\Users\Admin\AppData\Local\Temp\ARYFINALCR (1).EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    3⤵
    - Modifies security service
    - Windows security bypass
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1696
- C:\Users\Admin\AppData\Local\Temp\UBERBOT.EXE
  "C:\Users\Admin\AppData\Local\Temp\UBERBOT.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

ARYFINALCR (1).EXE

Path C:\Users\Admin\AppData\Local\Temp\ARYFINALCR (1).EXE
Size 2.1MB
SHA256 c15d7bc223db392c80473a28934bfda1c9d4007da05aa1ddd062a1ee8ab2d723
MD5 df3dde4239ba8d394089b64aa2225820
SHA1 e4d83d9beea23f556aa3af88a3565531cb1aabbd
SHA512 67b6eab76e25b25d2c8af1da27d63965e08f2f1581633f0d75dd4ca9dcd6cb643859c460d6950c0609b483f38277b488a806d8adde3456d470c55bd5a9fd38ae
SSDEEP 49152:pENpLXQcOIdXQMEv5tRqUMGh2aadpi3IcxUH/IZoFX/kbuddAYk83InWqFlSX2A6:pEe
MD5 SHA1 SHA512 SSDEEP

Submit Download

UBERBOT.EXE

Path C:\Users\Admin\AppData\Local\Temp\UBERBOT.EXE
Size 468KB
SHA256 076dac930fd183718ba67a7157703f1e7568cce274ef5df5a55ba77c0b34021e
MD5 d028e4140995d3f67658079c26f261e0
SHA1 2931d06145337d66cd9db280532e0e967ccb66f6
SHA512 dec9f76fb8c9608b7eb0694a070e94c21b1582d3af6f1c581fa2793516acaf5d3173a6ab8710e91a59c9adb93b2609526bb6043ecb1fe377cf0ef2bc73314504
SSDEEP 3072:F4gEco/lcWyrm4cZpwFa2xCgLriH55Bj7/f4Wassjkr0+WNt:joqWyK7pwFa8iV7ZsGW
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1572-45-0x0000000073C20000-0x00000000743D0000-memory.dmp

Download

memory/1572-47-0x0000000073C2E000-0x0000000073C2F000-memory.dmp

Download

memory/1572-49-0x0000000073C20000-0x00000000743D0000-memory.dmp

Download

memory/1572-24-0x0000000073C2E000-0x0000000073C2F000-memory.dmp

Download

memory/1572-28-0x0000000000A00000-0x0000000000A7C000-memory.dmp

Download

memory/1572-36-0x0000000005690000-0x00000000056E6000-memory.dmp

Download

memory/1572-29-0x0000000005380000-0x000000000541C000-memory.dmp

Download

memory/1572-35-0x0000000005330000-0x000000000533A000-memory.dmp

Download

memory/1572-31-0x0000000005440000-0x00000000054D2000-memory.dmp

Download

memory/1696-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/1696-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Download

memory/2652-34-0x0000000005580000-0x000000000558C000-memory.dmp

Download

memory/2652-43-0x0000000073C20000-0x00000000743D0000-memory.dmp

Download

memory/2652-44-0x0000000073C20000-0x00000000743D0000-memory.dmp

Download

memory/2652-33-0x00000000057A0000-0x0000000005855000-memory.dmp

Download

memory/2652-30-0x0000000005D50000-0x00000000062F4000-memory.dmp

Download

memory/2652-27-0x0000000000B10000-0x0000000000D36000-memory.dmp

Download

memory/2652-26-0x0000000073C20000-0x00000000743D0000-memory.dmp

Download

memory/3592-0-0x00000000004F0000-0x000000000079A000-memory.dmp

Download

memory/3592-25-0x00000000004F0000-0x000000000079A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads