orcus | b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e

Analysis

max time kernel
140s
max time network
145s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 05:26

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General

Target

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
Size

2.6MB
MD5

7da2715df53b7fab8721d2cc64ecc107
SHA1

f89169299505bce3ced9f2ff9c08c834d190f880
SHA256

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e
SHA512

d3d263919757db5e62be6ff604b8622c5df74810a4c6e3598515d8318140d39ce1c54166fee4e7a58ed89eeb366755348c3323ae9946a5102e7804d2e9cc7a57
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxv:Hh+ZkldoPKiYdqd6

Score

10^/10

orcus ligeon discovery 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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2700-11-0x0000000000090000-0x000000000017A000-memory.dmp	orcus
behavioral1/memory/2700-10-0x0000000000090000-0x000000000017A000-memory.dmp	orcus
behavioral1/memory/2700-4-0x0000000000090000-0x000000000017A000-memory.dmp	orcus
behavioral1/memory/2288-29-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2288-36-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2288-35-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

Processes:

setspn.exesetspn.exe

pid	Process
2848	setspn.exe
2300	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/2660-0-0x00000000000C0000-0x000000000036A000-memory.dmp	autoit_exe
behavioral1/files/0x003400000001568f-24.dat	autoit_exe
behavioral1/memory/2848-26-0x0000000000B80000-0x0000000000E2A000-memory.dmp	autoit_exe
behavioral1/memory/2300-38-0x0000000000DF0000-0x000000000109A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exesetspn.exesetspn.exe

description	pid	Process	procid_target
PID 2660 set thread context of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2848 set thread context of 2288	2848	setspn.exe	36
PID 2300 set thread context of 1828	2300	setspn.exe	40

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exeRegSvcs.exeschtasks.exesetspn.exeRegSvcs.exeschtasks.exesetspn.exeRegSvcs.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setspn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setspn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
2656	schtasks.exe
1632	schtasks.exe
2492	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exesetspn.exesetspn.exe

pid	Process
2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
2848	setspn.exe
2848	setspn.exe
2300	setspn.exe
2300	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	2700	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid	Process
2700	RegSvcs.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exetaskeng.exesetspn.exesetspn.exe

description	pid	Process	procid_target
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2700	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	31
PID 2660 wrote to memory of 2656	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	32
PID 2660 wrote to memory of 2656	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	32
PID 2660 wrote to memory of 2656	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	32
PID 2660 wrote to memory of 2656	2660	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	32
PID 2088 wrote to memory of 2848	2088	taskeng.exe	35
PID 2088 wrote to memory of 2848	2088	taskeng.exe	35
PID 2088 wrote to memory of 2848	2088	taskeng.exe	35
PID 2088 wrote to memory of 2848	2088	taskeng.exe	35
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 2288	2848	setspn.exe	36
PID 2848 wrote to memory of 1632	2848	setspn.exe	37
PID 2848 wrote to memory of 1632	2848	setspn.exe	37
PID 2848 wrote to memory of 1632	2848	setspn.exe	37
PID 2848 wrote to memory of 1632	2848	setspn.exe	37
PID 2088 wrote to memory of 2300	2088	taskeng.exe	39
PID 2088 wrote to memory of 2300	2088	taskeng.exe	39
PID 2088 wrote to memory of 2300	2088	taskeng.exe	39
PID 2088 wrote to memory of 2300	2088	taskeng.exe	39
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 1828	2300	setspn.exe	40
PID 2300 wrote to memory of 2492	2300	setspn.exe	41
PID 2300 wrote to memory of 2492	2300	setspn.exe	41
PID 2300 wrote to memory of 2492	2300	setspn.exe	41
PID 2300 wrote to memory of 2492	2300	setspn.exe	41

C:\Users\Admin\AppData\Local\Temp\b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
"C:\Users\Admin\AppData\Local\Temp\b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2700
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2656

C:\Windows\system32\taskeng.exe
taskeng.exe {6F0C3F65-7949-4832-8BDD-7D94EF8A7F32} S-1-5-21-3502430532-24693940-2469786940-1000:PSBQWFYT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2288
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1632
- C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1828
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
4fef508988c6d7f372adba8d3bd6cdbf

SHA1
8f4ce5fc8f9b3c1960bd2a44e3992cd0ff9b7bb7

SHA256
9d3554ac408b8be3bcf6a1227460cbee99434df1f8163d27203be8f25439ccc7

SHA512
70bfbde261878f1ba565c41dd29290fa25888bd2fa4decaab46b8f738013dbf6b1f619590c9750429d0c4b961768547599acfa722ac434fd449b975432c44f28

Download Submit
memory/1828-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2288-35-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2288-36-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2288-29-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2300-38-0x0000000000DF0000-0x000000000109A000-memory.dmp

Filesize
2.7MB

Download
memory/2660-0-0x00000000000C0000-0x000000000036A000-memory.dmp

Filesize
2.7MB

Download
memory/2660-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2700-19-0x00000000008F0000-0x00000000008F8000-memory.dmp

Filesize
32KB

Download
memory/2700-22-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2700-17-0x0000000000840000-0x000000000089C000-memory.dmp

Filesize
368KB

Download
memory/2700-18-0x0000000000730000-0x0000000000742000-memory.dmp

Filesize
72KB

Download
memory/2700-15-0x0000000000470000-0x000000000047E000-memory.dmp

Filesize
56KB

Download
memory/2700-20-0x0000000000950000-0x0000000000968000-memory.dmp

Filesize
96KB

Download
memory/2700-21-0x0000000000D10000-0x0000000000D20000-memory.dmp

Filesize
64KB

Download
memory/2700-16-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-23-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-12-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2700-2-0x0000000000090000-0x000000000017A000-memory.dmp

Filesize
936KB

Download
memory/2700-4-0x0000000000090000-0x000000000017A000-memory.dmp

Filesize
936KB

Download
memory/2700-10-0x0000000000090000-0x000000000017A000-memory.dmp

Filesize
936KB

Download
memory/2700-11-0x0000000000090000-0x000000000017A000-memory.dmp

Filesize
936KB

Download
memory/2700-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-26-0x0000000000B80000-0x0000000000E2A000-memory.dmp

Filesize
2.7MB

Download