darkcomet | 1c16388e56c0498c94f30b66f2709691f206d7cbb25420eda7005e9a2b43a844

General

Target

552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe
Size

576KB
MD5

552ea2b814e9b288e0ac30e421b0e990
SHA1

05af8bb22349b84805603650532cd28e319f49a2
SHA256

1c16388e56c0498c94f30b66f2709691f206d7cbb25420eda7005e9a2b43a844
SHA512

5891f0746ef92f87ba517b4fcd7a353e4610ab211b02d20df84921551adf5d9574053cc6d93a28a23dec36b9a18085eeb08090edf1a0b2eca1773bb1a55b62ac
SSDEEP

12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoS6:+NWPkHlUfBgpuPdWzyuDTifgyWlt

Score

10^/10

darkcomet persistence rat trojan upx

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:

mcsft.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate mcsft.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	mcsft.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:

552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

mcsft.exemcsft.exe

pid process

4108 mcsft.exe
2352 mcsft.exe

pid	process
4108	mcsft.exe
2352	mcsft.exe

UPX packed file 28 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1532-0-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\mcsft.txt	upx
behavioral2/memory/1532-29-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
behavioral2/memory/2352-32-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-34-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-35-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-37-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-41-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-40-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-39-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-38-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4108-36-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
behavioral2/memory/2352-42-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-43-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-44-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-45-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-46-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-47-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-49-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2352-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mcrosoft = "C:\\Users\\Admin\\AppData\\Roaming\\mcsft.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

mcsft.exe

description pid process target process

PID 4108 set thread context of 2352 4108 mcsft.exe mcsft.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4108 set thread context of 2352	4108	mcsft.exe	mcsft.exe

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:

mcsft.exe

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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

mcsft.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier mcsft.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	mcsft.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

mcsft.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2352	mcsft.exe
Token: SeSecurityPrivilege	2352	mcsft.exe
Token: SeTakeOwnershipPrivilege	2352	mcsft.exe
Token: SeLoadDriverPrivilege	2352	mcsft.exe
Token: SeSystemProfilePrivilege	2352	mcsft.exe
Token: SeSystemtimePrivilege	2352	mcsft.exe
Token: SeProfSingleProcessPrivilege	2352	mcsft.exe
Token: SeIncBasePriorityPrivilege	2352	mcsft.exe
Token: SeCreatePagefilePrivilege	2352	mcsft.exe
Token: SeBackupPrivilege	2352	mcsft.exe
Token: SeRestorePrivilege	2352	mcsft.exe
Token: SeShutdownPrivilege	2352	mcsft.exe
Token: SeDebugPrivilege	2352	mcsft.exe
Token: SeSystemEnvironmentPrivilege	2352	mcsft.exe
Token: SeChangeNotifyPrivilege	2352	mcsft.exe
Token: SeRemoteShutdownPrivilege	2352	mcsft.exe
Token: SeUndockPrivilege	2352	mcsft.exe
Token: SeManageVolumePrivilege	2352	mcsft.exe
Token: SeImpersonatePrivilege	2352	mcsft.exe
Token: SeCreateGlobalPrivilege	2352	mcsft.exe
Token: 33	2352	mcsft.exe
Token: 34	2352	mcsft.exe
Token: 35	2352	mcsft.exe
Token: 36	2352	mcsft.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exemcsft.exemcsft.exe

pid process

1532 552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe
4108 mcsft.exe
2352 mcsft.exe

pid	process
1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe
4108	mcsft.exe
2352	mcsft.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.execmd.exemcsft.exe

description	pid	process	target process
PID 1532 wrote to memory of 4556	1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe	cmd.exe
PID 1532 wrote to memory of 4556	1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe	cmd.exe
PID 1532 wrote to memory of 4556	1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe	cmd.exe
PID 4556 wrote to memory of 3224	4556	cmd.exe	reg.exe
PID 4556 wrote to memory of 3224	4556	cmd.exe	reg.exe
PID 4556 wrote to memory of 3224	4556	cmd.exe	reg.exe
PID 1532 wrote to memory of 4108	1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe	mcsft.exe
PID 1532 wrote to memory of 4108	1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe	mcsft.exe
PID 1532 wrote to memory of 4108	1532	552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe
PID 4108 wrote to memory of 2352	4108	mcsft.exe	mcsft.exe

C:\Users\Admin\AppData\Local\Temp\552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\552ea2b814e9b288e0ac30e421b0e990_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZTSNe.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:4556

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoft" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\mcsft.exe" /f
3⤵
- Adds Run key to start application
PID:3224

C:\Users\Admin\AppData\Roaming\mcsft.exe
"C:\Users\Admin\AppData\Roaming\mcsft.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4108

C:\Users\Admin\AppData\Roaming\mcsft.exe
C:\Users\Admin\AppData\Roaming\mcsft.exe
3⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2352

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

5

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ZTSNe.txt
Filesize
135B

MD5
a5feca573884d76f559b996d45e8ad9a

SHA1
0e81a993f3af4e31d60653dc2513186f0495f1c8

SHA256
c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

SHA512
a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

Download Submit
C:\Users\Admin\AppData\Roaming\mcsft.txt
Filesize
576KB

MD5
9db5c4bd2246106d6014143e13ed31bc

SHA1
c59084052131de704caa51a98ea7a760608b7e53

SHA256
b4f47a99f5f157f5bd80eadfd6ab613230c820b429292aac1dbfb6797c667a06

SHA512
9c2e79d2b390449d5b048d47e38ebbeb214bf9389f138bca7e629876fab544f5ab2fbcf1f0b057a26e1b2c99846cbe3e55821f1d3a1873bd60e5b8957339aba9

Download Submit
memory/1532-0-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1532-29-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2352-43-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-34-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-49-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2352-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4108-36-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads