darkcomet | 4581dedab46a4dea9c85a4239750157f50d4cc6de0aaaedd8654b8bcb0902306

General

Target

d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
Size

3.8MB
MD5

d8fbc9d04599038ec366e5c80b187060
SHA1

ddb65f6db48826a8f6a3c656049497124ff085fb
SHA256

4581dedab46a4dea9c85a4239750157f50d4cc6de0aaaedd8654b8bcb0902306
SHA512

cb8e008a99a7d1825f7f0973eb136d25c1f850b2cf8203bcea1e290d83c042495a4f3811aad22794727f008565fb656697f7c630a66724e51c519dac88a87a6e
SSDEEP

98304:oJwakG4fYrq1HJvpliCQHawbzBbGSlaUEI96kdQDanpqHrO3ndI3/lL/v7zVwwX7:oJwakG4fYrq1HJvpliCQHawbzBbGSlaB

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
Executes dropped EXE 2 IoCs

Processes:

mcsft.exemcsft.exe

pid process

2720 mcsft.exe
2872 mcsft.exe

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

pid	process
2720	mcsft.exe
2872	mcsft.exe

Loads dropped DLL 6 IoCs

Processes:

d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exemcsft.exe

pid	process
2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
2720	mcsft.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2872-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-59-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-63-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-67-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2872-72-0x0000000000400000-0x00000000004B5000-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-1-5-21-481678230-3773327859-3495911762-1000\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 2720 set thread context of 2872 2720 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 2720 set thread context of 2872	2720	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 23 IoCs

Processes:

mcsft.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2872	mcsft.exe
Token: SeSecurityPrivilege	2872	mcsft.exe
Token: SeTakeOwnershipPrivilege	2872	mcsft.exe
Token: SeLoadDriverPrivilege	2872	mcsft.exe
Token: SeSystemProfilePrivilege	2872	mcsft.exe
Token: SeSystemtimePrivilege	2872	mcsft.exe
Token: SeProfSingleProcessPrivilege	2872	mcsft.exe
Token: SeIncBasePriorityPrivilege	2872	mcsft.exe
Token: SeCreatePagefilePrivilege	2872	mcsft.exe
Token: SeBackupPrivilege	2872	mcsft.exe
Token: SeRestorePrivilege	2872	mcsft.exe
Token: SeShutdownPrivilege	2872	mcsft.exe
Token: SeDebugPrivilege	2872	mcsft.exe
Token: SeSystemEnvironmentPrivilege	2872	mcsft.exe
Token: SeChangeNotifyPrivilege	2872	mcsft.exe
Token: SeRemoteShutdownPrivilege	2872	mcsft.exe
Token: SeUndockPrivilege	2872	mcsft.exe
Token: SeManageVolumePrivilege	2872	mcsft.exe
Token: SeImpersonatePrivilege	2872	mcsft.exe
Token: SeCreateGlobalPrivilege	2872	mcsft.exe
Token: 33	2872	mcsft.exe
Token: 34	2872	mcsft.exe
Token: 35	2872	mcsft.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exemcsft.exemcsft.exe

pid process

2256 d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
2720 mcsft.exe
2872 mcsft.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.execmd.exemcsft.exe

description	pid	process	target process
PID 2256 wrote to memory of 2628	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	cmd.exe
PID 2256 wrote to memory of 2628	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	cmd.exe
PID 2256 wrote to memory of 2628	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	cmd.exe
PID 2256 wrote to memory of 2628	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	cmd.exe
PID 2628 wrote to memory of 2724	2628	cmd.exe	reg.exe
PID 2628 wrote to memory of 2724	2628	cmd.exe	reg.exe
PID 2628 wrote to memory of 2724	2628	cmd.exe	reg.exe
PID 2628 wrote to memory of 2724	2628	cmd.exe	reg.exe
PID 2256 wrote to memory of 2720	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	mcsft.exe
PID 2256 wrote to memory of 2720	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	mcsft.exe
PID 2256 wrote to memory of 2720	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	mcsft.exe
PID 2256 wrote to memory of 2720	2256	d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe
PID 2720 wrote to memory of 2872	2720	mcsft.exe	mcsft.exe

C:\Users\Admin\AppData\Local\Temp\d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\d8fbc9d04599038ec366e5c80b187060_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\aQcxg.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2628

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:2724

C:\Users\Admin\AppData\Roaming\mcsft.exe
"C:\Users\Admin\AppData\Roaming\mcsft.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720

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:2872

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

3

T1012

System Information Discovery

4

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\aQcxg.bat
Filesize
135B

MD5
a5feca573884d76f559b996d45e8ad9a

SHA1
0e81a993f3af4e31d60653dc2513186f0495f1c8

SHA256
c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

SHA512
a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

Download Submit
C:\Users\Admin\AppData\Roaming\mcsft.exe
Filesize
3.8MB

MD5
8e400567f1e2f2e97aab82bdbf3e2392

SHA1
b38de91e180529fbe059f753c5112452a3001126

SHA256
6079cbdf02f36678611d0ed25b87e7038bcb0abbced42ac454af65f86bc68f5f

SHA512
db018993495dc9f5d5c67196aff2396e6de600ca056a75c73693ca652132f65bb1f6f0c81e99933b970f93b2604ef5a0505b550780a81cafa8e812194347cb49

Download Submit
memory/2256-0-0x0000000000400000-0x00000000007C4000-memory.dmp

Filesize
3.8MB

Download
memory/2872-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2872-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads