darkcomet | ce021a37b146ea9d952900192dd4875235dd7855a2cfce100dc49aa5332bedc6

General

Target

e185a18d378a669797be384d6380a870_NeikiAnalytics.exe
Size

576KB
MD5

e185a18d378a669797be384d6380a870
SHA1

c05126fe852438f2bc13626498ee1323a5564934
SHA256

ce021a37b146ea9d952900192dd4875235dd7855a2cfce100dc49aa5332bedc6
SHA512

2517fab4f08e874b74f9ecb89e3e6c6aba56feed48cd239b366108e03144d99d9dca40063aa1994064161888fa6ab6a48417621901afe23c69ebc602f576b8ab
SSDEEP

12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoSJ:+NWPkHlUfBgpuPdWzyuDTifgyWlC

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:

e185a18d378a669797be384d6380a870_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

mcsft.exemcsft.exe

pid process

4580 mcsft.exe
2080 mcsft.exe

pid	process
4580	mcsft.exe
2080	mcsft.exe

UPX packed file 29 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4396-0-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\mcsft.txt	upx
behavioral2/memory/4396-29-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
behavioral2/memory/4580-30-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
behavioral2/memory/2080-33-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-35-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4580-36-0x0000000000400000-0x00000000007C8000-memory.dmp	upx
behavioral2/memory/2080-37-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-38-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-42-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-41-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-40-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-39-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-43-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-44-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-45-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-46-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-47-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-49-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2080-58-0x0000000000400000-0x00000000004B5000-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-1-5-21-4018855536-2201274732-320770143-1000\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 4580 set thread context of 2080 4580 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 4580 set thread context of 2080	4580	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	2080	mcsft.exe
Token: SeSecurityPrivilege	2080	mcsft.exe
Token: SeTakeOwnershipPrivilege	2080	mcsft.exe
Token: SeLoadDriverPrivilege	2080	mcsft.exe
Token: SeSystemProfilePrivilege	2080	mcsft.exe
Token: SeSystemtimePrivilege	2080	mcsft.exe
Token: SeProfSingleProcessPrivilege	2080	mcsft.exe
Token: SeIncBasePriorityPrivilege	2080	mcsft.exe
Token: SeCreatePagefilePrivilege	2080	mcsft.exe
Token: SeBackupPrivilege	2080	mcsft.exe
Token: SeRestorePrivilege	2080	mcsft.exe
Token: SeShutdownPrivilege	2080	mcsft.exe
Token: SeDebugPrivilege	2080	mcsft.exe
Token: SeSystemEnvironmentPrivilege	2080	mcsft.exe
Token: SeChangeNotifyPrivilege	2080	mcsft.exe
Token: SeRemoteShutdownPrivilege	2080	mcsft.exe
Token: SeUndockPrivilege	2080	mcsft.exe
Token: SeManageVolumePrivilege	2080	mcsft.exe
Token: SeImpersonatePrivilege	2080	mcsft.exe
Token: SeCreateGlobalPrivilege	2080	mcsft.exe
Token: 33	2080	mcsft.exe
Token: 34	2080	mcsft.exe
Token: 35	2080	mcsft.exe
Token: 36	2080	mcsft.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

e185a18d378a669797be384d6380a870_NeikiAnalytics.exemcsft.exemcsft.exe

pid process

4396 e185a18d378a669797be384d6380a870_NeikiAnalytics.exe
4580 mcsft.exe
2080 mcsft.exe

pid	process
4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe
4580	mcsft.exe
2080	mcsft.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

e185a18d378a669797be384d6380a870_NeikiAnalytics.execmd.exemcsft.exe

description	pid	process	target process
PID 4396 wrote to memory of 4664	4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe	cmd.exe
PID 4396 wrote to memory of 4664	4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe	cmd.exe
PID 4396 wrote to memory of 4664	4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe	cmd.exe
PID 4664 wrote to memory of 3520	4664	cmd.exe	reg.exe
PID 4664 wrote to memory of 3520	4664	cmd.exe	reg.exe
PID 4664 wrote to memory of 3520	4664	cmd.exe	reg.exe
PID 4396 wrote to memory of 4580	4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe	mcsft.exe
PID 4396 wrote to memory of 4580	4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe	mcsft.exe
PID 4396 wrote to memory of 4580	4396	e185a18d378a669797be384d6380a870_NeikiAnalytics.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe
PID 4580 wrote to memory of 2080	4580	mcsft.exe	mcsft.exe

C:\Users\Admin\AppData\Local\Temp\e185a18d378a669797be384d6380a870_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\e185a18d378a669797be384d6380a870_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4396

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\leHdV.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:4664

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:3520

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:4580

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:2080

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\leHdV.txt
Filesize
135B

MD5
a5feca573884d76f559b996d45e8ad9a

SHA1
0e81a993f3af4e31d60653dc2513186f0495f1c8

SHA256
c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

SHA512
a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

MD5
efb2160eddd8469207b6d3ca290e68f2

SHA1
ce623bd6c8e4cc121df832ba637fc900fe7b9508

SHA256
6675179448c2b9beb23a70a5026ef73ed73bda560e18d552219adbd34a0ec78c

SHA512
831dd8967b6d709bc6f84a1376c01667f3e99e149c831fe2fbc7fa5f74ffb873f06653c7109a001fbbb15e46ef2a8b0e94c94b4643e1747e58f1f12a544fb1c7

Download Submit
memory/2080-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-43-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-49-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2080-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4396-0-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4396-29-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4580-36-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4580-30-0x0000000000400000-0x00000000007C8000-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