orcus | 34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe

Analysis

max time kernel
144s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 01:37

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General

Target

34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe
Size

2.6MB
MD5

c291e372be8805bf06c427db33c5a044
SHA1

719e74da08ef39310a824b89897a7bd636024692
SHA256

34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe
SHA512

2c14882f02bfe0f7aba3a66c7d9bbbe3b1a830a1452cdd36efa2ac104c50e8bba85390d6053cb6fafc7bf3a69464977d6fe56cc69cae0dd2e6c36b46b349c006
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxk:Hh+ZkldoPKiYdqd6c

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/3040-3-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/3040-9-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/3040-10-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
2236	setspn.exe
2776	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2092-0-0x0000000000E50000-0x00000000010FA000-memory.dmp	autoit_exe
behavioral1/files/0x000d0000000122ee-23.dat	autoit_exe
behavioral1/memory/2236-25-0x0000000000230000-0x00000000004DA000-memory.dmp	autoit_exe
behavioral1/memory/2776-40-0x0000000000310000-0x00000000005BA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2236 set thread context of 2256	2236	setspn.exe	35
PID 2776 set thread context of 2164	2776	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
2536	schtasks.exe
1672	schtasks.exe
1060	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe
2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe
2236	setspn.exe
2236	setspn.exe
2776	setspn.exe
2776	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3040	RegSvcs.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 3040	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	28
PID 2092 wrote to memory of 2536	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	29
PID 2092 wrote to memory of 2536	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	29
PID 2092 wrote to memory of 2536	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	29
PID 2092 wrote to memory of 2536	2092	34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe	29
PID 540 wrote to memory of 2236	540	taskeng.exe	34
PID 540 wrote to memory of 2236	540	taskeng.exe	34
PID 540 wrote to memory of 2236	540	taskeng.exe	34
PID 540 wrote to memory of 2236	540	taskeng.exe	34
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 2256	2236	setspn.exe	35
PID 2236 wrote to memory of 1672	2236	setspn.exe	36
PID 2236 wrote to memory of 1672	2236	setspn.exe	36
PID 2236 wrote to memory of 1672	2236	setspn.exe	36
PID 2236 wrote to memory of 1672	2236	setspn.exe	36
PID 540 wrote to memory of 2776	540	taskeng.exe	38
PID 540 wrote to memory of 2776	540	taskeng.exe	38
PID 540 wrote to memory of 2776	540	taskeng.exe	38
PID 540 wrote to memory of 2776	540	taskeng.exe	38
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 2164	2776	setspn.exe	39
PID 2776 wrote to memory of 1060	2776	setspn.exe	40
PID 2776 wrote to memory of 1060	2776	setspn.exe	40
PID 2776 wrote to memory of 1060	2776	setspn.exe	40
PID 2776 wrote to memory of 1060	2776	setspn.exe	40

C:\Users\Admin\AppData\Local\Temp\34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe
"C:\Users\Admin\AppData\Local\Temp\34a04a802d884bd778d6e264aa77e9c8453f4a90d03eacb51974968e3ec0d1fe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2092
- 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:3040
- 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:2536

C:\Windows\system32\taskeng.exe
taskeng.exe {8230D60A-9321-415A-8366-5B239B8CBED5} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- 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:2236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2256
- - 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:1672
- 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:2776
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2164
- - 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:1060

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
bb0df85bfa2d32068f10d31dcd69aca3

SHA1
857ad456c2fed84242ae8527ea2f1c45bdd7a96b

SHA256
8451471eaed067eb09cf28cd440ff07ea5863645e99014a910c0136f478ba701

SHA512
f59d8dc9b742905a61521ef14eb14fcbcf9dd518e7ec6cdce1b907dfcbeda21ecaf3ada23f4e40280c138e4e804df6fa4615e428093ee6560a7804b8d74b5ea0

Download Submit
memory/2092-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2092-0-0x0000000000E50000-0x00000000010FA000-memory.dmp

Filesize
2.7MB

Download
memory/2164-52-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-51-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-25-0x0000000000230000-0x00000000004DA000-memory.dmp

Filesize
2.7MB

Download
memory/2256-38-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-37-0x0000000002170000-0x00000000021B0000-memory.dmp

Filesize
256KB

Download
memory/2256-36-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-40-0x0000000000310000-0x00000000005BA000-memory.dmp

Filesize
2.7MB

Download
memory/3040-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3040-16-0x00000000007C0000-0x000000000081C000-memory.dmp

Filesize
368KB

Download
memory/3040-18-0x00000000005D0000-0x00000000005D8000-memory.dmp

Filesize
32KB

Download
memory/3040-19-0x0000000000820000-0x0000000000838000-memory.dmp

Filesize
96KB

Download
memory/3040-20-0x0000000000C70000-0x0000000000C80000-memory.dmp

Filesize
64KB

Download
memory/3040-21-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-22-0x0000000000730000-0x0000000000770000-memory.dmp

Filesize
256KB

Download
memory/3040-17-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/3040-15-0x0000000000350000-0x000000000035E000-memory.dmp

Filesize
56KB

Download
memory/3040-14-0x0000000000730000-0x0000000000770000-memory.dmp

Filesize
256KB

Download
memory/3040-13-0x0000000073870000-0x0000000073F5E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-9-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3040-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3040-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download