darkcomet | dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67

General

Target

dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe
Size

963KB
MD5

a10d8267ed0b2eeb663c3caef247ba3c
SHA1

a9931587dab4f70a091bc7c0e59097bfc10229fd
SHA256

dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67
SHA512

89d2f1a1a5aa26b9bb3b03558c39d22d955c7a845b7ffa750f4635b586c46a6c4c5d4676afb2f4f6ecd0005da9ccc2fbf5d74096f0f2821fb21864b833beece9
SSDEEP

12288:EJIN4VW2o/LW0NHX68XU9sUX9T8+3M2UBvSwo9nKeK3wz:ESV/S0NPK1CWMTxkKeKA

Score

10^/10

darkcomet love evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Love

C2

pet105.no-ip.biz:100

Mutex

DC_MUTEX-TNT8SFG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
JJbwi9MArQ9S
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

svchost.exe

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"	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exemsdcsc.exe

pid process

276 svchost.exe
1200 msdcsc.exe
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1196 attrib.exe
556 attrib.exe
Loads dropped DLL 2 IoCs

Processes:

dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exesvchost.exe

pid process

992 dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe
276 svchost.exe

pid	process
276	svchost.exe
1200	msdcsc.exe

pid	process
1196	attrib.exe
556	attrib.exe

pid	process
992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe
276	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdate.exe"	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe

description	pid	process	target process
PID 992 set thread context of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	276	svchost.exe
Token: SeSecurityPrivilege	276	svchost.exe
Token: SeTakeOwnershipPrivilege	276	svchost.exe
Token: SeLoadDriverPrivilege	276	svchost.exe
Token: SeSystemProfilePrivilege	276	svchost.exe
Token: SeSystemtimePrivilege	276	svchost.exe
Token: SeProfSingleProcessPrivilege	276	svchost.exe
Token: SeIncBasePriorityPrivilege	276	svchost.exe
Token: SeCreatePagefilePrivilege	276	svchost.exe
Token: SeBackupPrivilege	276	svchost.exe
Token: SeRestorePrivilege	276	svchost.exe
Token: SeShutdownPrivilege	276	svchost.exe
Token: SeDebugPrivilege	276	svchost.exe
Token: SeSystemEnvironmentPrivilege	276	svchost.exe
Token: SeChangeNotifyPrivilege	276	svchost.exe
Token: SeRemoteShutdownPrivilege	276	svchost.exe
Token: SeUndockPrivilege	276	svchost.exe
Token: SeManageVolumePrivilege	276	svchost.exe
Token: SeImpersonatePrivilege	276	svchost.exe
Token: SeCreateGlobalPrivilege	276	svchost.exe
Token: 33	276	svchost.exe
Token: 34	276	svchost.exe
Token: 35	276	svchost.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exesvchost.execmd.execmd.exe

description	pid	process	target process
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 992 wrote to memory of 276	992	dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe	svchost.exe
PID 276 wrote to memory of 1444	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1444	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1444	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1444	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1052	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1052	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1052	276	svchost.exe	cmd.exe
PID 276 wrote to memory of 1052	276	svchost.exe	cmd.exe
PID 1052 wrote to memory of 556	1052	cmd.exe	attrib.exe
PID 1052 wrote to memory of 556	1052	cmd.exe	attrib.exe
PID 1052 wrote to memory of 556	1052	cmd.exe	attrib.exe
PID 1052 wrote to memory of 556	1052	cmd.exe	attrib.exe
PID 1444 wrote to memory of 1196	1444	cmd.exe	attrib.exe
PID 1444 wrote to memory of 1196	1444	cmd.exe	attrib.exe
PID 1444 wrote to memory of 1196	1444	cmd.exe	attrib.exe
PID 1444 wrote to memory of 1196	1444	cmd.exe	attrib.exe
PID 276 wrote to memory of 1200	276	svchost.exe	msdcsc.exe
PID 276 wrote to memory of 1200	276	svchost.exe	msdcsc.exe
PID 276 wrote to memory of 1200	276	svchost.exe	msdcsc.exe
PID 276 wrote to memory of 1200	276	svchost.exe	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1196 attrib.exe
556 attrib.exe

pid	process
1196	attrib.exe
556	attrib.exe

C:\Users\Admin\AppData\Local\Temp\dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe
"C:\Users\Admin\AppData\Local\Temp\dafd90ea443252b18583fd96f2da4c277e258ff5afa495b512c14070f0fe0f67.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\plugtemp\svchost.exe
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1196

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\plugtemp" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:1052

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\plugtemp" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:556

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
3⤵
- Executes dropped EXE
PID:1200

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/276-64-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-78-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-66-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-72-0x000000000048F888-mapping.dmp

Download
memory/276-62-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-60-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-87-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-57-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/276-58-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/556-81-0x0000000000000000-mapping.dmp

Download
memory/992-55-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/992-54-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/992-88-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1052-80-0x0000000000000000-mapping.dmp

Download
memory/1196-82-0x0000000000000000-mapping.dmp

Download
memory/1200-84-0x0000000000000000-mapping.dmp

Download
memory/1444-79-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads