darkcomet | bc8da42f92d2a29fd7e3a9b8dc1ef9c39fadeca1580de5aa539c341d5f68ec25

General

Target

710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
Size

3.8MB
MD5

710df045be4b3c20897855d6d18322e0
SHA1

a52ccf763bb0ab60f68474201e1c10b85aeff6ff
SHA256

bc8da42f92d2a29fd7e3a9b8dc1ef9c39fadeca1580de5aa539c341d5f68ec25
SHA512

600823694bff5e9fbb3a0a00f7ee694880fa48aaf16e53aefc609aad7b842001b286458a10af91c14ef48b91ca1edfaccfad512046cf2231e9a994c4f69609f1
SSDEEP

98304:oJwakG4fYrq1HJvpliCQHawbzBbGSlaUEI96kdQDanpqHrO3ndI3/lL/v7zVwwXn:oJwakG4fYrq1HJvpliCQHawbzBbGSlaV

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

1808 mcsft.exe
2720 mcsft.exe

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

pid	process
1808	mcsft.exe
2720	mcsft.exe

Loads dropped DLL 6 IoCs

Processes:

710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exemcsft.exe

pid	process
2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
1808	mcsft.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2720-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-59-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-64-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-72-0x0000000000400000-0x00000000004B5000-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 1808 set thread context of 2720 1808 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 1808 set thread context of 2720	1808	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	2720	mcsft.exe
Token: SeSecurityPrivilege	2720	mcsft.exe
Token: SeTakeOwnershipPrivilege	2720	mcsft.exe
Token: SeLoadDriverPrivilege	2720	mcsft.exe
Token: SeSystemProfilePrivilege	2720	mcsft.exe
Token: SeSystemtimePrivilege	2720	mcsft.exe
Token: SeProfSingleProcessPrivilege	2720	mcsft.exe
Token: SeIncBasePriorityPrivilege	2720	mcsft.exe
Token: SeCreatePagefilePrivilege	2720	mcsft.exe
Token: SeBackupPrivilege	2720	mcsft.exe
Token: SeRestorePrivilege	2720	mcsft.exe
Token: SeShutdownPrivilege	2720	mcsft.exe
Token: SeDebugPrivilege	2720	mcsft.exe
Token: SeSystemEnvironmentPrivilege	2720	mcsft.exe
Token: SeChangeNotifyPrivilege	2720	mcsft.exe
Token: SeRemoteShutdownPrivilege	2720	mcsft.exe
Token: SeUndockPrivilege	2720	mcsft.exe
Token: SeManageVolumePrivilege	2720	mcsft.exe
Token: SeImpersonatePrivilege	2720	mcsft.exe
Token: SeCreateGlobalPrivilege	2720	mcsft.exe
Token: 33	2720	mcsft.exe
Token: 34	2720	mcsft.exe
Token: 35	2720	mcsft.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exemcsft.exemcsft.exe

pid process

2100 710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
1808 mcsft.exe
2720 mcsft.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

710df045be4b3c20897855d6d18322e0_NeikiAnalytics.execmd.exemcsft.exe

description	pid	process	target process
PID 2100 wrote to memory of 2900	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	cmd.exe
PID 2100 wrote to memory of 2900	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	cmd.exe
PID 2100 wrote to memory of 2900	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	cmd.exe
PID 2100 wrote to memory of 2900	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	cmd.exe
PID 2900 wrote to memory of 2844	2900	cmd.exe	reg.exe
PID 2900 wrote to memory of 2844	2900	cmd.exe	reg.exe
PID 2900 wrote to memory of 2844	2900	cmd.exe	reg.exe
PID 2900 wrote to memory of 2844	2900	cmd.exe	reg.exe
PID 2100 wrote to memory of 1808	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	mcsft.exe
PID 2100 wrote to memory of 1808	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	mcsft.exe
PID 2100 wrote to memory of 1808	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	mcsft.exe
PID 2100 wrote to memory of 1808	2100	710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe
PID 1808 wrote to memory of 2720	1808	mcsft.exe	mcsft.exe

C:\Users\Admin\AppData\Local\Temp\710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\710df045be4b3c20897855d6d18322e0_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2100

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\kqVaE.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2900

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:2844

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:1808

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:2720

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\kqVaE.bat
Filesize
135B

MD5
a5feca573884d76f559b996d45e8ad9a

SHA1
0e81a993f3af4e31d60653dc2513186f0495f1c8

SHA256
c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

SHA512
a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

MD5
c96568b818553fcbd1dc46c2f9130516

SHA1
2568b3f9c3b7a2af01f240ab219d05324ea03cf8

SHA256
509e1abb767caeb6c316db99e86eb02e10bc4f1fa1e85e1e15da04144e5f29d4

SHA512
b64dda1e2fb22aa3c66b5c0a6a137d6370cee4c5ee204c0f102beaef1708c1905c6342d363f302a493d28a4722e07848f07ccb89c1c8694f93c84cfb43d5c0db

Download Submit
memory/2100-0-0x0000000000400000-0x00000000007C4000-memory.dmp

Filesize
3.8MB

Download
memory/2720-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-72-0x0000000000400000-0x00000000004B5000-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