darkcomet | d442614f25d2578ecb03b522fe4360887f1cef5abdf6e3075a88fcb56fac0333

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 20:49

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General

Target

a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe
Size

1.4MB
MD5

a40cccf5e2c40728982037f45364bfcd
SHA1

47206db956c6ab9f2b2b2acd107ab3466a8dbebc
SHA256

d442614f25d2578ecb03b522fe4360887f1cef5abdf6e3075a88fcb56fac0333
SHA512

3e8c6a6360cc8db0ac54403d3be5f54ce639b2f498bd5a37e238cfde7357fa277ebe9ab4c32192867758c2c345b6dcc3063732d5daa02fde724726fc172b9135
SSDEEP

24576:LrRhVu0MbopYVea2xnuoa5JHJmG3T11tuVEcLvMwgbjx60p4G4yIjxdT343qGF:LVh0kmeao65vXTfEV/Lvzajx6E4dxZ4f

Score

10^/10

darkcomet guest16 discovery evasion rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-6GLCNKQ

Attributes

gencode
MahZL4NfbjCv
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1616	OUTPUT.EXE
2680	OUTPUT.EXE

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	OUTPUT.EXE

Loads dropped DLL 3 IoCs

pid	Process
1684	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe
1684	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe
1616	OUTPUT.EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1616	OUTPUT.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1616 set thread context of 2680	1616	OUTPUT.EXE	32

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-64-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-65-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-62-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-59-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-57-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-53-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-49-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-67-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-66-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-69-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-70-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2680-79-0x0000000000400000-0x00000000004E8000-memory.dmp	upx

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	OUTPUT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OUTPUT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1616	OUTPUT.EXE

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2680	OUTPUT.EXE
Token: SeSecurityPrivilege	2680	OUTPUT.EXE
Token: SeTakeOwnershipPrivilege	2680	OUTPUT.EXE
Token: SeLoadDriverPrivilege	2680	OUTPUT.EXE
Token: SeSystemProfilePrivilege	2680	OUTPUT.EXE
Token: SeSystemtimePrivilege	2680	OUTPUT.EXE
Token: SeProfSingleProcessPrivilege	2680	OUTPUT.EXE
Token: SeIncBasePriorityPrivilege	2680	OUTPUT.EXE
Token: SeCreatePagefilePrivilege	2680	OUTPUT.EXE
Token: SeBackupPrivilege	2680	OUTPUT.EXE
Token: SeRestorePrivilege	2680	OUTPUT.EXE
Token: SeShutdownPrivilege	2680	OUTPUT.EXE
Token: SeDebugPrivilege	2680	OUTPUT.EXE
Token: SeSystemEnvironmentPrivilege	2680	OUTPUT.EXE
Token: SeChangeNotifyPrivilege	2680	OUTPUT.EXE
Token: SeRemoteShutdownPrivilege	2680	OUTPUT.EXE
Token: SeUndockPrivilege	2680	OUTPUT.EXE
Token: SeManageVolumePrivilege	2680	OUTPUT.EXE
Token: SeImpersonatePrivilege	2680	OUTPUT.EXE
Token: SeCreateGlobalPrivilege	2680	OUTPUT.EXE
Token: 33	2680	OUTPUT.EXE
Token: 34	2680	OUTPUT.EXE
Token: 35	2680	OUTPUT.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2016	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2680	OUTPUT.EXE
2016	DllHost.exe
2016	DllHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1616	1684	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe	31
PID 1684 wrote to memory of 1616	1684	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe	31
PID 1684 wrote to memory of 1616	1684	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe	31
PID 1684 wrote to memory of 1616	1684	a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe	31
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32
PID 1616 wrote to memory of 2680	1616	OUTPUT.EXE	32

C:\Users\Admin\AppData\Local\Temp\a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a40cccf5e2c40728982037f45364bfcd_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\OUTPUT.EXE
  "C:\Users\Admin\AppData\Local\Temp\OUTPUT.EXE"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Users\Admin\AppData\Local\Temp\OUTPUT.EXE
    C:\Users\Admin\AppData\Local\Temp\OUTPUT.EXE
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2680

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\COPY OF 576784_436420243052092_1206238943_N.JPG

Filesize
66KB

MD5
23d5c42f96b244d57380dbec989ab61b

SHA1
3ac25a99dde8585023eeae6b69b0aff5a2722c2b

SHA256
ffbfe4ef05ad04743361cd9dddbc971d236e4a8e1282bb9199fec5eda9b5f5a5

SHA512
9425c938c9eb48cb1f6ac90ef27e7a4c4970e60001c08614b7326c2bb573d42c4376cc88a40dc46dca2a431b7f43513f64e433e391dcf974d0a13a4dc924d2cb

Download Submit
\Users\Admin\AppData\Local\Temp\OUTPUT.EXE

Filesize
1.3MB

MD5
f8373721015a3c3f708547aca2b2e8b4

SHA1
fa6d9ca4cf8b579699ff75e6c43076bda65f70f5

SHA256
1fdbe92edced85b6817d0e10e150e20bfde44a8f8b3d3f488e2e4cdcf2be2d3f

SHA512
25c4d7f0dc348721ceaa906c80fc07f5d713b13f7044cd559c9ba4eea27cedcf5f3f1aff848783bf53cdc424fe9a562f49321963328045fca832cd4be24e4388

Download Submit
memory/1616-24-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1616-36-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-61-0x00000000002D0000-0x0000000000330000-memory.dmp

Filesize
384KB

Download
memory/1616-22-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1616-23-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1616-16-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/1616-29-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-42-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-41-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-40-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-39-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-38-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-37-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-35-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-34-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-43-0x0000000000400000-0x000000000064C000-memory.dmp

Filesize
2.3MB

Download
memory/1616-33-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-32-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-31-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-30-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-28-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1616-27-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1616-26-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1616-25-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1616-63-0x0000000000400000-0x000000000064C000-memory.dmp

Filesize
2.3MB

Download
memory/1616-15-0x00000000002D0000-0x0000000000330000-memory.dmp

Filesize
384KB

Download
memory/1616-52-0x0000000005850000-0x0000000005A9C000-memory.dmp

Filesize
2.3MB

Download
memory/1616-21-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/1616-20-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1616-19-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/1616-18-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1616-17-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/1684-8-0x00000000037A0000-0x00000000039EC000-memory.dmp

Filesize
2.3MB

Download
memory/1684-13-0x00000000037A0000-0x00000000039EC000-memory.dmp

Filesize
2.3MB

Download
memory/1684-1-0x0000000000C00000-0x0000000000C02000-memory.dmp

Filesize
8KB

Download
memory/2016-4-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2016-68-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2016-2-0x0000000000160000-0x0000000000162000-memory.dmp

Filesize
8KB

Download
memory/2680-57-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-47-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-59-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-69-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-53-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-49-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-62-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-67-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-66-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-65-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-64-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-70-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2680-79-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download