darkcomet | d8fc0bb9e2ff933ba6b2e72023694a3e3aa21b0764c863096f29023443a97921

General

Target

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Size

1.3MB
MD5

f5f6a9dc81942c0e2b8578dd911db8b5
SHA1

90007e58af0b0245f4876055e2cf345dc4bd95e9
SHA256

d8fc0bb9e2ff933ba6b2e72023694a3e3aa21b0764c863096f29023443a97921
SHA512

2dce216ad0bcf8933f4b6781277ba963766234957c1dd138239abe69722bab5034c5a25203f79583a74099250ca57c88b3a34448cb1f9ccf40b64f0f13302356
SSDEEP

12288:caAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdSk6t3a6F:dAEENIq8XwyVPQclDq/+WnpsSSkb6F

Score

10^/10

darkcomet rat trojan

Malware Config

Signatures

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

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.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

Processes:

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

NOTEPAD2.EXE

pid	Process
1464	NOTEPAD2.EXE

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2352	1464	WerFault.exe	88

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

NOTEPAD2.EXE

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Software\Microsoft\Internet Explorer\IESettingSync	NOTEPAD2.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	NOTEPAD2.EXE
Key created	\REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	NOTEPAD2.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	NOTEPAD2.EXE

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeSecurityPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeBackupPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeRestorePrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeShutdownPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeDebugPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeUndockPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: 33	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: 34	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: 35	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
Token: 36	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

NOTEPAD2.EXEf5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

pid	Process
1464	NOTEPAD2.EXE
1464	NOTEPAD2.EXE
1464	NOTEPAD2.EXE
1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exeNOTEPAD2.EXE

description	pid	Process	procid_target
PID 1784 wrote to memory of 1464	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe	88
PID 1784 wrote to memory of 1464	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe	88
PID 1784 wrote to memory of 1464	1784	f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe	88
PID 1464 wrote to memory of 1440	1464	NOTEPAD2.EXE	90
PID 1464 wrote to memory of 1440	1464	NOTEPAD2.EXE	90
PID 1464 wrote to memory of 1440	1464	NOTEPAD2.EXE	90
PID 1464 wrote to memory of 2672	1464	NOTEPAD2.EXE	91
PID 1464 wrote to memory of 2672	1464	NOTEPAD2.EXE	91
PID 1464 wrote to memory of 2672	1464	NOTEPAD2.EXE	91
PID 1464 wrote to memory of 2248	1464	NOTEPAD2.EXE	92
PID 1464 wrote to memory of 2248	1464	NOTEPAD2.EXE	92
PID 1464 wrote to memory of 2248	1464	NOTEPAD2.EXE	92

C:\Users\Admin\AppData\Local\Temp\f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5f6a9dc81942c0e2b8578dd911db8b5_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\NOTEPAD2.EXE
  "C:\Users\Admin\AppData\Local\Temp\NOTEPAD2.EXE"
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1464
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32 MSCOMCTL.OCX /s
    3⤵
    PID:1440
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32 TABCTL32.OCX /s
    3⤵
    PID:2672
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32 MSINET.OCX /s
    3⤵
    PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 3016
    3⤵
    - Program crash
    PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1464 -ip 1464
1⤵
PID:3140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

5

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BZFH33KA\errorPageStrings[1]

Filesize
4KB

MD5
d65ec06f21c379c87040b83cc1abac6b

SHA1
208d0a0bb775661758394be7e4afb18357e46c8b

SHA256
a1270e90cea31b46432ec44731bf4400d22b38eb2855326bf934fe8f1b169a4f

SHA512
8a166d26b49a5d95aea49bc649e5ea58786a2191f4d2adac6f5fbb7523940ce4482d6a2502aa870a931224f215cb2010a8c9b99a2c1820150e4d365cab28299e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RZ2UM7WN\NewErrorPageTemplate[1]

Filesize
1KB

MD5
dfeabde84792228093a5a270352395b6

SHA1
e41258c9576721025926326f76063c2305586f76

SHA256
77b138ab5d0a90ff04648c26addd5e414cc178165e3b54a4cb3739da0f58e075

SHA512
e256f603e67335151bb709294749794e2e3085f4063c623461a0b3decbcca8e620807b707ec9bcbe36dcd7d639c55753da0495be85b4ae5fb6bfc52ab4b284fd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RZ2UM7WN\dnserrordiagoff[1]

Filesize
1KB

MD5
7e81a79f38695e467a49ee41dd24146d

SHA1
035e110c36bf3072525b05394f73d1ba54d0d316

SHA256
a705d1e0916a79b0d6e60c41a9ce301ed95b3fc00e927f940ab27061c208a536

SHA512
53c5f2f2b9ad8b555f9ae6644941cf2016108e803ea6ab2c7418e31e66874dea5a2bc04be0fa9766e7206617879520e730e9e3e0de136bae886c2e786082d622

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RZ2UM7WN\httpErrorPagesScripts[1]

Filesize
11KB

MD5
9234071287e637f85d721463c488704c

SHA1
cca09b1e0fba38ba29d3972ed8dcecefdef8c152

SHA256
65cc039890c7ceb927ce40f6f199d74e49b8058c3f8a6e22e8f916ad90ea8649

SHA512
87d691987e7a2f69ad8605f35f94241ab7e68ad4f55ad384f1f0d40dc59ffd1432c758123661ee39443d624c881b01dcd228a67afb8700fe5e66fc794a6c0384

Download Submit
C:\Users\Admin\AppData\Local\Temp\NOTEPAD2.EXE

Filesize
660KB

MD5
92bfd7bce6df125279c02afee337c3b3

SHA1
f4eac9cdc4d2be245747f6a95530af827c7217e6

SHA256
23a173afb46c22ee52db292bf70e0b6e3e317ac41e88c98d20f66815be882a80

SHA512
412303d9d6884ac91390b6a5b41878b5e031ff5b21c0bf13a7e5fcbdb75402a340cf94bdc2796892578de394c1b9df2bad148564b9520365805e1a916f0202ff

Download Submit
memory/1784-51-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-53-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-48-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-49-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/1784-50-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-0-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/1784-52-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-24-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-54-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-55-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-56-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-57-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-58-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-59-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-60-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download
memory/1784-61-0x0000000000400000-0x0000000000565000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads