darkcomet | 6e3b1d888bc49f8f24bac05c00d40b0a6dc92c91b9390142334284021ae8d5b4

General

Target

040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe
Size

3.8MB
MD5

040fe7c98a63b2958d13431044461740
SHA1

ef2fbd6e8815cb8ec05b90ff5d53a58911824b9c
SHA256

6e3b1d888bc49f8f24bac05c00d40b0a6dc92c91b9390142334284021ae8d5b4
SHA512

e08116a523f2d9ea31a6a7d3f4259a0a34d294e84c21076430db092e1664082982cb038715ee86bac310d8f15e350f592173bbaaa4ed57e310da205dd93214d8
SSDEEP

98304:ki4hTLOMtHDMlANqnfVGPyhcMYg4lSiSLCQrdGLcjFjj/eWKS5h7EleIljztU/q9:ki4hTLOMtHDMlANqnfVGPyhcMYg4lSi7

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:

040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

mcsft.exemcsft.exe

pid process

3756 mcsft.exe
4636 mcsft.exe

pid	process
3756	mcsft.exe
4636	mcsft.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4636-31-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-34-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-37-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-36-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-39-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-40-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-43-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-42-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-41-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-38-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-44-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-45-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-46-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-47-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-49-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4636-57-0x0000000000400000-0x00000000004B5000-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-1-5-21-1181767204-2009306918-3718769404-1000\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 3756 set thread context of 4636 3756 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 3756 set thread context of 4636	3756	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	4636	mcsft.exe
Token: SeSecurityPrivilege	4636	mcsft.exe
Token: SeTakeOwnershipPrivilege	4636	mcsft.exe
Token: SeLoadDriverPrivilege	4636	mcsft.exe
Token: SeSystemProfilePrivilege	4636	mcsft.exe
Token: SeSystemtimePrivilege	4636	mcsft.exe
Token: SeProfSingleProcessPrivilege	4636	mcsft.exe
Token: SeIncBasePriorityPrivilege	4636	mcsft.exe
Token: SeCreatePagefilePrivilege	4636	mcsft.exe
Token: SeBackupPrivilege	4636	mcsft.exe
Token: SeRestorePrivilege	4636	mcsft.exe
Token: SeShutdownPrivilege	4636	mcsft.exe
Token: SeDebugPrivilege	4636	mcsft.exe
Token: SeSystemEnvironmentPrivilege	4636	mcsft.exe
Token: SeChangeNotifyPrivilege	4636	mcsft.exe
Token: SeRemoteShutdownPrivilege	4636	mcsft.exe
Token: SeUndockPrivilege	4636	mcsft.exe
Token: SeManageVolumePrivilege	4636	mcsft.exe
Token: SeImpersonatePrivilege	4636	mcsft.exe
Token: SeCreateGlobalPrivilege	4636	mcsft.exe
Token: 33	4636	mcsft.exe
Token: 34	4636	mcsft.exe
Token: 35	4636	mcsft.exe
Token: 36	4636	mcsft.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

040fe7c98a63b2958d13431044461740_NeikiAnalytics.exemcsft.exemcsft.exe

pid process

3004 040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe
3756 mcsft.exe
4636 mcsft.exe

pid	process
3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe
3756	mcsft.exe
4636	mcsft.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

040fe7c98a63b2958d13431044461740_NeikiAnalytics.execmd.exemcsft.exe

description	pid	process	target process
PID 3004 wrote to memory of 3340	3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe	cmd.exe
PID 3004 wrote to memory of 3340	3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe	cmd.exe
PID 3004 wrote to memory of 3340	3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe	cmd.exe
PID 3340 wrote to memory of 4240	3340	cmd.exe	reg.exe
PID 3340 wrote to memory of 4240	3340	cmd.exe	reg.exe
PID 3340 wrote to memory of 4240	3340	cmd.exe	reg.exe
PID 3004 wrote to memory of 3756	3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe	mcsft.exe
PID 3004 wrote to memory of 3756	3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe	mcsft.exe
PID 3004 wrote to memory of 3756	3004	040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe
PID 3756 wrote to memory of 4636	3756	mcsft.exe	mcsft.exe

C:\Users\Admin\AppData\Local\Temp\040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\040fe7c98a63b2958d13431044461740_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\oleds.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3340

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:4240

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:3756

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:4636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4224,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=1272 /prefetch:8
1⤵
PID:940

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\oleds.txt
Filesize
135B

MD5
a5feca573884d76f559b996d45e8ad9a

SHA1
0e81a993f3af4e31d60653dc2513186f0495f1c8

SHA256
c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

SHA512
a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

MD5
c1b5457dcf791b398483f964b19685d6

SHA1
c11ef07b8d53a9470c93e1cdd73780bdfb06af9f

SHA256
ba51e923a134b9a4fa74b57967c1cf8eac756c142914bf73069cee0dd6e31dcf

SHA512
39a095b82d246036a0dc683557a04a3913b1438e940709295e096981570dfae0065f652ccc2b3acd2770cd6da806934b4731bf99c5fb370ab97f834948f44ebb

Download Submit
memory/3004-0-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/4636-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-36-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-43-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-34-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-49-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4636-57-0x0000000000400000-0x00000000004B5000-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