orcus | 8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa

Analysis

max time kernel
140s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-04-2024 01:56

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General

Target

8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
Size

2.6MB
MD5

2c594813a0c5b2acc5f13aa324c3df38
SHA1

fd1ce85c2cf71d8e46df64af0a5ae86bcff458cd
SHA256

8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa
SHA512

65af6798d1cd497473f6eb7319e2445cd80c674df19d29e09bae1a40dad2d68e162c1ef01a7f4369423a511aff734e4e32183f70a204f943512fba7f89bf32fe
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxN:Hh+ZkldoPKiYdqd6l

Score

10^/10

orcus ligeon rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

ligeon

ligeon.ddns.net:1606

Mutex

b98fb09a59c24a81b9d17a55ccf2c036

Attributes

autostart_method
Disable
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1352-4-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/1352-10-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/1352-11-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
2016	setspn.exe
2284	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2412-0-0x00000000000A0000-0x000000000034A000-memory.dmp	autoit_exe
behavioral1/files/0x0033000000013a3d-24.dat	autoit_exe
behavioral1/memory/2016-26-0x0000000000990000-0x0000000000C3A000-memory.dmp	autoit_exe
behavioral1/memory/2284-40-0x0000000000010000-0x00000000002BA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2412 set thread context of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2016 set thread context of 2716	2016	setspn.exe	33
PID 2284 set thread context of 2404	2284	setspn.exe	39

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2600	schtasks.exe
2648	schtasks.exe
336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
2016	setspn.exe
2016	setspn.exe
2284	setspn.exe
2284	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	RegSvcs.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 1352	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	28
PID 2412 wrote to memory of 2600	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	29
PID 2412 wrote to memory of 2600	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	29
PID 2412 wrote to memory of 2600	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	29
PID 2412 wrote to memory of 2600	2412	8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe	29
PID 2632 wrote to memory of 2016	2632	taskeng.exe	32
PID 2632 wrote to memory of 2016	2632	taskeng.exe	32
PID 2632 wrote to memory of 2016	2632	taskeng.exe	32
PID 2632 wrote to memory of 2016	2632	taskeng.exe	32
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2716	2016	setspn.exe	33
PID 2016 wrote to memory of 2648	2016	setspn.exe	34
PID 2016 wrote to memory of 2648	2016	setspn.exe	34
PID 2016 wrote to memory of 2648	2016	setspn.exe	34
PID 2016 wrote to memory of 2648	2016	setspn.exe	34
PID 2632 wrote to memory of 2284	2632	taskeng.exe	38
PID 2632 wrote to memory of 2284	2632	taskeng.exe	38
PID 2632 wrote to memory of 2284	2632	taskeng.exe	38
PID 2632 wrote to memory of 2284	2632	taskeng.exe	38
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 2404	2284	setspn.exe	39
PID 2284 wrote to memory of 336	2284	setspn.exe	40
PID 2284 wrote to memory of 336	2284	setspn.exe	40
PID 2284 wrote to memory of 336	2284	setspn.exe	40
PID 2284 wrote to memory of 336	2284	setspn.exe	40

C:\Users\Admin\AppData\Local\Temp\8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe
"C:\Users\Admin\AppData\Local\Temp\8a3bfcb07b39f30c15062191252d2d509cd72693fd1ea812952510ecd9c4beaa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1352
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:2600

C:\Windows\system32\taskeng.exe
taskeng.exe {70A54601-AC19-4526-BE9C-A16A83B1501B} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2716
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:2648
- C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2404
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe

Filesize
2.6MB

MD5
d4c2ac6581fd7bf52e9021a7f721500d

SHA1
d8dfcfc3225011bf7f96949f07e1a4ddc3bcd028

SHA256
1622da98aa3a306640dd4d1211fd53aa107755b1e252f3c78eb37af5c11fc83f

SHA512
d8df240cfd972685fdee5f4a990b32d079bdee9e3cec9d5cecfe87dd15d77b7f0210840a04f1725214cbbfef207974492edd864e7386d376e03fa4e42581afe8

Download Submit
memory/1352-19-0x0000000000650000-0x0000000000658000-memory.dmp

Filesize
32KB

Download
memory/1352-4-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1352-21-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

Filesize
64KB

Download
memory/1352-22-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1352-11-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1352-14-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/1352-15-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/1352-16-0x00000000003D0000-0x00000000003DE000-memory.dmp

Filesize
56KB

Download
memory/1352-17-0x0000000000CC0000-0x0000000000D1C000-memory.dmp

Filesize
368KB

Download
memory/1352-18-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/1352-20-0x0000000000A90000-0x0000000000AA8000-memory.dmp

Filesize
96KB

Download
memory/1352-23-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/1352-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1352-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-26-0x0000000000990000-0x0000000000C3A000-memory.dmp

Filesize
2.7MB

Download
memory/2284-40-0x0000000000010000-0x00000000002BA000-memory.dmp

Filesize
2.7MB

Download
memory/2404-51-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2404-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2404-50-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-1-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2412-0-0x00000000000A0000-0x000000000034A000-memory.dmp

Filesize
2.7MB

Download
memory/2716-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-36-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-37-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2716-38-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download