darkcomet | d9e52e956ead8a1836a176dec93351acf8aeca690f8505ef0501bf1ff3ef0193

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
08-07-2024 00:26

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General

Target

2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Size

251KB
MD5

2a56336d14687561184b0261a20d4608
SHA1

21b870ce986e15fb6a0e1feeb540a85c80ed952d
SHA256

d9e52e956ead8a1836a176dec93351acf8aeca690f8505ef0501bf1ff3ef0193
SHA512

c76d0c92f1e112e219557791f84537ade94cd81be2235303f2683fbf7b29d5b620d019426625c6fb49e90736402c6e830d67cab9ffed98137469f85f5c15f544
SSDEEP

6144:dRJQPYYabU6vUpFC0oc3kTyC8oh4rtTYRpVk5x:dYYP4C9IkTypoh4h

Score

10^/10

darkcomet latentbot guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

stevecarl2010.zapto.org:21

Mutex

DC_MUTEX-5G40BDR

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
d3ykdxuhewG2
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Extracted

Family

latentbot

stevecarl2010.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 WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2528	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/files/0x00070000000186ed-5.dat	upx
behavioral1/memory/2528-15-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2408-12-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1796-18-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2528-20-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 1796	2528	msdcsc.exe	31

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSecurityPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeBackupPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeRestorePrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeShutdownPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeDebugPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeUndockPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 33	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 34	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 35	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2528	msdcsc.exe
Token: SeSecurityPrivilege	2528	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2528	msdcsc.exe
Token: SeLoadDriverPrivilege	2528	msdcsc.exe
Token: SeSystemProfilePrivilege	2528	msdcsc.exe
Token: SeSystemtimePrivilege	2528	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2528	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2528	msdcsc.exe
Token: SeCreatePagefilePrivilege	2528	msdcsc.exe
Token: SeBackupPrivilege	2528	msdcsc.exe
Token: SeRestorePrivilege	2528	msdcsc.exe
Token: SeShutdownPrivilege	2528	msdcsc.exe
Token: SeDebugPrivilege	2528	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2528	msdcsc.exe
Token: SeChangeNotifyPrivilege	2528	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2528	msdcsc.exe
Token: SeUndockPrivilege	2528	msdcsc.exe
Token: SeManageVolumePrivilege	2528	msdcsc.exe
Token: SeImpersonatePrivilege	2528	msdcsc.exe
Token: SeCreateGlobalPrivilege	2528	msdcsc.exe
Token: 33	2528	msdcsc.exe
Token: 34	2528	msdcsc.exe
Token: 35	2528	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	1796	iexplore.exe
Token: SeSecurityPrivilege	1796	iexplore.exe
Token: SeTakeOwnershipPrivilege	1796	iexplore.exe
Token: SeLoadDriverPrivilege	1796	iexplore.exe
Token: SeSystemProfilePrivilege	1796	iexplore.exe
Token: SeSystemtimePrivilege	1796	iexplore.exe
Token: SeProfSingleProcessPrivilege	1796	iexplore.exe
Token: SeIncBasePriorityPrivilege	1796	iexplore.exe
Token: SeCreatePagefilePrivilege	1796	iexplore.exe
Token: SeBackupPrivilege	1796	iexplore.exe
Token: SeRestorePrivilege	1796	iexplore.exe
Token: SeShutdownPrivilege	1796	iexplore.exe
Token: SeDebugPrivilege	1796	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1796	iexplore.exe
Token: SeChangeNotifyPrivilege	1796	iexplore.exe
Token: SeRemoteShutdownPrivilege	1796	iexplore.exe
Token: SeUndockPrivilege	1796	iexplore.exe
Token: SeManageVolumePrivilege	1796	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1796	iexplore.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2528	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	30
PID 2408 wrote to memory of 2528	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	30
PID 2408 wrote to memory of 2528	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	30
PID 2408 wrote to memory of 2528	2408	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	30
PID 2528 wrote to memory of 1796	2528	msdcsc.exe	31
PID 2528 wrote to memory of 1796	2528	msdcsc.exe	31
PID 2528 wrote to memory of 1796	2528	msdcsc.exe	31
PID 2528 wrote to memory of 1796	2528	msdcsc.exe	31
PID 2528 wrote to memory of 1796	2528	msdcsc.exe	31
PID 2528 wrote to memory of 1796	2528	msdcsc.exe	31

C:\Users\Admin\AppData\Local\Temp\2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a56336d14687561184b0261a20d4608_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
251KB

MD5
2a56336d14687561184b0261a20d4608

SHA1
21b870ce986e15fb6a0e1feeb540a85c80ed952d

SHA256
d9e52e956ead8a1836a176dec93351acf8aeca690f8505ef0501bf1ff3ef0193

SHA512
c76d0c92f1e112e219557791f84537ade94cd81be2235303f2683fbf7b29d5b620d019426625c6fb49e90736402c6e830d67cab9ffed98137469f85f5c15f544

Download Submit
memory/1796-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2408-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2408-1-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2408-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2408-13-0x0000000003630000-0x00000000036E5000-memory.dmp

Filesize
724KB

Download
memory/2528-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2528-16-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2528-20-0x0000000000400000-0x00000000004B5000-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