darkcomet | d1bd4c50eb5f9720f866793d9062c3596c147588778a1842d4f44af34bfac6be

General

Target

b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
Size

802KB
MD5

b979020d846ef76746d2c273b7f90af1
SHA1

e94b6f19fa423e0905ab9a2b9ee61ffcd5cb486a
SHA256

d1bd4c50eb5f9720f866793d9062c3596c147588778a1842d4f44af34bfac6be
SHA512

facc09660611c062427376919becafaf007e62bbf19e73d88dc912e7d770de68c8f37314ed5fe44f7b426ecd93ed59570194f9caab41afb27bc476a504a5d760
SSDEEP

24576:NSABEhmKLM1CioJuYrASHWuZw2uTZNsv75rG0jby:NSABwLxuA/WuG2aIjn6

Score

10^/10

darkcomet latentbot aryan discovery evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Aryan

C2

arcanusmarkus.zapto.org:1604

Mutex

DC_MUTEX-KG5M2GM

Attributes

gencode
F63AR93Wk9PU
install
false
offline_keylogger
true
persistence
false

Extracted

Family

latentbot

C2

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

Processes:

vbc.exe

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

Processes:

vbc.exe

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

Executes dropped EXE 2 IoCs

Processes:

ARYFINALCR (1).EXEUBERBOT.EXE

pid	Process
1776	ARYFINALCR (1).EXE
2076	UBERBOT.EXE

Loads dropped DLL 2 IoCs

Processes:

b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe

pid	Process
2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2500-1-0x00000000001A0000-0x000000000044A000-memory.dmp	upx
behavioral1/memory/2500-14-0x00000000001A0000-0x000000000044A000-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

Processes:

ARYFINALCR (1).EXE

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Process Manager = "C:\\Users\\Admin\\AppData\\Roaming\\processmgr.exe"	ARYFINALCR (1).EXE

Suspicious use of SetThreadContext 1 IoCs

Processes:

ARYFINALCR (1).EXE

description	pid	Process	procid_target
PID 1776 set thread context of 3036	1776	ARYFINALCR (1).EXE	33

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

Processes:

b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exeUBERBOT.EXEARYFINALCR (1).EXEvbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UBERBOT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ARYFINALCR (1).EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3036	vbc.exe
Token: SeSecurityPrivilege	3036	vbc.exe
Token: SeTakeOwnershipPrivilege	3036	vbc.exe
Token: SeLoadDriverPrivilege	3036	vbc.exe
Token: SeSystemProfilePrivilege	3036	vbc.exe
Token: SeSystemtimePrivilege	3036	vbc.exe
Token: SeProfSingleProcessPrivilege	3036	vbc.exe
Token: SeIncBasePriorityPrivilege	3036	vbc.exe
Token: SeCreatePagefilePrivilege	3036	vbc.exe
Token: SeBackupPrivilege	3036	vbc.exe
Token: SeRestorePrivilege	3036	vbc.exe
Token: SeShutdownPrivilege	3036	vbc.exe
Token: SeDebugPrivilege	3036	vbc.exe
Token: SeSystemEnvironmentPrivilege	3036	vbc.exe
Token: SeChangeNotifyPrivilege	3036	vbc.exe
Token: SeRemoteShutdownPrivilege	3036	vbc.exe
Token: SeUndockPrivilege	3036	vbc.exe
Token: SeManageVolumePrivilege	3036	vbc.exe
Token: SeImpersonatePrivilege	3036	vbc.exe
Token: SeCreateGlobalPrivilege	3036	vbc.exe
Token: 33	3036	vbc.exe
Token: 34	3036	vbc.exe
Token: 35	3036	vbc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

vbc.exeUBERBOT.EXE

pid	Process
3036	vbc.exe
2076	UBERBOT.EXE
2076	UBERBOT.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exeARYFINALCR (1).EXE

description	pid	Process	procid_target
PID 2500 wrote to memory of 1776	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	31
PID 2500 wrote to memory of 1776	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	31
PID 2500 wrote to memory of 1776	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	31
PID 2500 wrote to memory of 1776	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	31
PID 2500 wrote to memory of 2076	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	32
PID 2500 wrote to memory of 2076	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	32
PID 2500 wrote to memory of 2076	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	32
PID 2500 wrote to memory of 2076	2500	b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe	32
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33
PID 1776 wrote to memory of 3036	1776	ARYFINALCR (1).EXE	33

C:\Users\Admin\AppData\Local\Temp\b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b979020d846ef76746d2c273b7f90af1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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:1776
- - 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:3036
- 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:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

Credential Access

Discovery

System Information Discovery

1

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\Local\Temp\UBERBOT.EXE

Filesize
468KB

MD5
d028e4140995d3f67658079c26f261e0

SHA1
2931d06145337d66cd9db280532e0e967ccb66f6

SHA256
076dac930fd183718ba67a7157703f1e7568cce274ef5df5a55ba77c0b34021e

SHA512
dec9f76fb8c9608b7eb0694a070e94c21b1582d3af6f1c581fa2793516acaf5d3173a6ab8710e91a59c9adb93b2609526bb6043ecb1fe377cf0ef2bc73314504

Download Submit
\Users\Admin\AppData\Local\Temp\ARYFINALCR (1).EXE

Filesize
2.1MB

MD5
df3dde4239ba8d394089b64aa2225820

SHA1
e4d83d9beea23f556aa3af88a3565531cb1aabbd

SHA256
c15d7bc223db392c80473a28934bfda1c9d4007da05aa1ddd062a1ee8ab2d723

SHA512
67b6eab76e25b25d2c8af1da27d63965e08f2f1581633f0d75dd4ca9dcd6cb643859c460d6950c0609b483f38277b488a806d8adde3456d470c55bd5a9fd38ae

Download Submit
memory/1776-16-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/1776-18-0x0000000000E80000-0x00000000010A6000-memory.dmp

Filesize
2.1MB

Download
memory/1776-21-0x0000000000B70000-0x0000000000C25000-memory.dmp

Filesize
724KB

Download
memory/1776-22-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/2076-17-0x0000000000940000-0x00000000009BC000-memory.dmp

Filesize
496KB

Download
memory/2076-19-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-44-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-1-0x00000000001A0000-0x000000000044A000-memory.dmp

Filesize
2.7MB

Download
memory/2500-14-0x00000000001A0000-0x000000000044A000-memory.dmp

Filesize
2.7MB

Download
memory/3036-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-36-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-43-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-49-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3036-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads