orcus | bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 01:48

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General

Target

bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe
Size

2.6MB
MD5

1c594a9437c6b52efd3a0e27d658bbd2
SHA1

63937ce05b1b9954ba25e217c098483eabd32438
SHA256

bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3
SHA512

f6838f4656572b385dc127565d3222d6a2b3d7e43b0dfca033f898d504dd59121d587462c125f5a95502478af206303a5ebc07221034a3ad49e7864483d6a6c3
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxX:Hh+ZkldoPKiYdqd6P

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/2356-3-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2356-9-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2356-10-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
2408	setspn.exe
1656	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1284-0-0x0000000000E90000-0x000000000113A000-memory.dmp	autoit_exe
behavioral1/files/0x002c0000000155d4-23.dat	autoit_exe
behavioral1/memory/2408-25-0x0000000001030000-0x00000000012DA000-memory.dmp	autoit_exe
behavioral1/memory/1656-38-0x0000000001030000-0x00000000012DA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 2408 set thread context of 2736	2408	setspn.exe	35
PID 1656 set thread context of 1260	1656	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
2688	schtasks.exe
1652	schtasks.exe
2316	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe
1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe
2408	setspn.exe
2408	setspn.exe
1656	setspn.exe
1656	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2356	RegSvcs.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2356	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	28
PID 1284 wrote to memory of 2688	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	29
PID 1284 wrote to memory of 2688	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	29
PID 1284 wrote to memory of 2688	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	29
PID 1284 wrote to memory of 2688	1284	bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe	29
PID 564 wrote to memory of 2408	564	taskeng.exe	34
PID 564 wrote to memory of 2408	564	taskeng.exe	34
PID 564 wrote to memory of 2408	564	taskeng.exe	34
PID 564 wrote to memory of 2408	564	taskeng.exe	34
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 2736	2408	setspn.exe	35
PID 2408 wrote to memory of 1652	2408	setspn.exe	36
PID 2408 wrote to memory of 1652	2408	setspn.exe	36
PID 2408 wrote to memory of 1652	2408	setspn.exe	36
PID 2408 wrote to memory of 1652	2408	setspn.exe	36
PID 564 wrote to memory of 1656	564	taskeng.exe	38
PID 564 wrote to memory of 1656	564	taskeng.exe	38
PID 564 wrote to memory of 1656	564	taskeng.exe	38
PID 564 wrote to memory of 1656	564	taskeng.exe	38
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 1260	1656	setspn.exe	39
PID 1656 wrote to memory of 2316	1656	setspn.exe	40
PID 1656 wrote to memory of 2316	1656	setspn.exe	40
PID 1656 wrote to memory of 2316	1656	setspn.exe	40
PID 1656 wrote to memory of 2316	1656	setspn.exe	40

C:\Users\Admin\AppData\Local\Temp\bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe
"C:\Users\Admin\AppData\Local\Temp\bb34623ab8f06b965fc6af6f6d9ee512f5c243060f3c4174fc5190a3117e5fb3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1284
- 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:2356
- 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:2688

C:\Windows\system32\taskeng.exe
taskeng.exe {434DA4E9-5CA9-45D3-9293-9AB1B3333C56} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:564
- 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:2408
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2736
- - 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:1652
- 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:1656
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1260
- - 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:2316

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
73be9980c2b100297a3ba41dde13afaf

SHA1
d6f2878996194a8f8958867c269cc6c059077e96

SHA256
146d32c2200a5c30105fc1841800ccef3de2664f7c7d57074222e48606c71546

SHA512
811832cc84d41fd6f84bc8c32a80f8aa42d3027fddd47fb1191925929a430e3a3a5ef4dadbb6148261b616c1177f5090bf94b45b1468c6ce45e9cd63ad33e7ac

Download Submit
memory/1260-50-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1260-49-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/1260-48-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1284-0-0x0000000000E90000-0x000000000113A000-memory.dmp

Filesize
2.7MB

Download
memory/1284-1-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/1656-38-0x0000000001030000-0x00000000012DA000-memory.dmp

Filesize
2.7MB

Download
memory/2356-18-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download
memory/2356-22-0x0000000000AE0000-0x0000000000B20000-memory.dmp

Filesize
256KB

Download
memory/2356-15-0x0000000000340000-0x000000000034E000-memory.dmp

Filesize
56KB

Download
memory/2356-16-0x0000000000BD0000-0x0000000000C2C000-memory.dmp

Filesize
368KB

Download
memory/2356-17-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download
memory/2356-13-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-19-0x0000000000710000-0x0000000000728000-memory.dmp

Filesize
96KB

Download
memory/2356-20-0x0000000000940000-0x0000000000950000-memory.dmp

Filesize
64KB

Download
memory/2356-21-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-14-0x0000000000AE0000-0x0000000000B20000-memory.dmp

Filesize
256KB

Download
memory/2356-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2356-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2356-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2356-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-9-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2408-25-0x0000000001030000-0x00000000012DA000-memory.dmp

Filesize
2.7MB

Download
memory/2736-36-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-35-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download