orcus | 777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d

Analysis

max time kernel
139s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-04-2024 01:53

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General

Target

777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
Size

2.6MB
MD5

e345b8d57ec4f2a1b856c40bd7f9b28b
SHA1

397b3387d591c2d0e45024a931b3e420f091f211
SHA256

777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d
SHA512

94cfa2d9b1542d3440979a3653fab7ec73cdfd706296b4c702d219e58154b89772dfa2289d41d0e18fa4300d7678f63f6b1212a1adb84dd77b905d1a74d85e8f
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nh:Vh+ZkldoPKiYdKr97

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/348-10-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/348-9-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/348-3-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Deletes itself 1 IoCs

pid	Process
2640	cmd.exe

Executes dropped EXE 3 IoCs

pid	Process
2492	setspn.exe
2080	setspn.exe
552	setspn.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1812-0-0x00000000008B0000-0x0000000000B5A000-memory.dmp	autoit_exe
behavioral1/files/0x003300000001470b-21.dat	autoit_exe
behavioral1/memory/2492-23-0x0000000000B60000-0x0000000000E0A000-memory.dmp	autoit_exe
behavioral1/memory/2080-37-0x0000000000290000-0x000000000053A000-memory.dmp	autoit_exe
behavioral1/memory/552-49-0x00000000010B0000-0x000000000135A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1812 set thread context of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 2492 set thread context of 2628	2492	setspn.exe	36
PID 2080 set thread context of 1756	2080	setspn.exe	42
PID 552 set thread context of 2180	552	setspn.exe	46

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 4 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2404	schtasks.exe
2560	schtasks.exe
2040	schtasks.exe
1884	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2688	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
2492	setspn.exe
2492	setspn.exe
2080	setspn.exe
2080	setspn.exe
552	setspn.exe
552	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	348	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
348	RegSvcs.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 348	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	28
PID 1812 wrote to memory of 2404	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	29
PID 1812 wrote to memory of 2404	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	29
PID 1812 wrote to memory of 2404	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	29
PID 1812 wrote to memory of 2404	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	29
PID 1812 wrote to memory of 2640	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	31
PID 1812 wrote to memory of 2640	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	31
PID 1812 wrote to memory of 2640	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	31
PID 1812 wrote to memory of 2640	1812	777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe	31
PID 2640 wrote to memory of 2688	2640	cmd.exe	33
PID 2640 wrote to memory of 2688	2640	cmd.exe	33
PID 2640 wrote to memory of 2688	2640	cmd.exe	33
PID 2640 wrote to memory of 2688	2640	cmd.exe	33
PID 1864 wrote to memory of 2492	1864	taskeng.exe	35
PID 1864 wrote to memory of 2492	1864	taskeng.exe	35
PID 1864 wrote to memory of 2492	1864	taskeng.exe	35
PID 1864 wrote to memory of 2492	1864	taskeng.exe	35
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2628	2492	setspn.exe	36
PID 2492 wrote to memory of 2560	2492	setspn.exe	37
PID 2492 wrote to memory of 2560	2492	setspn.exe	37
PID 2492 wrote to memory of 2560	2492	setspn.exe	37
PID 2492 wrote to memory of 2560	2492	setspn.exe	37
PID 1864 wrote to memory of 2080	1864	taskeng.exe	41
PID 1864 wrote to memory of 2080	1864	taskeng.exe	41
PID 1864 wrote to memory of 2080	1864	taskeng.exe	41
PID 1864 wrote to memory of 2080	1864	taskeng.exe	41
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 1756	2080	setspn.exe	42
PID 2080 wrote to memory of 2040	2080	setspn.exe	43
PID 2080 wrote to memory of 2040	2080	setspn.exe	43
PID 2080 wrote to memory of 2040	2080	setspn.exe	43
PID 2080 wrote to memory of 2040	2080	setspn.exe	43
PID 1864 wrote to memory of 552	1864	taskeng.exe	45
PID 1864 wrote to memory of 552	1864	taskeng.exe	45
PID 1864 wrote to memory of 552	1864	taskeng.exe	45
PID 1864 wrote to memory of 552	1864	taskeng.exe	45
PID 552 wrote to memory of 2180	552	setspn.exe	46
PID 552 wrote to memory of 2180	552	setspn.exe	46
PID 552 wrote to memory of 2180	552	setspn.exe	46
PID 552 wrote to memory of 2180	552	setspn.exe	46
PID 552 wrote to memory of 2180	552	setspn.exe	46

C:\Users\Admin\AppData\Local\Temp\777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe
"C:\Users\Admin\AppData\Local\Temp\777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1812
- 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:348
- 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:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\777bef59b92121d31eb9c67a1ab64ae55cf67f2a7ff4ebf3f485c40dcc87648d.exe & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -t 0
    3⤵
    - Runs ping.exe
    PID:2688

C:\Windows\system32\taskeng.exe
taskeng.exe {FEEBD1DE-131B-4E3C-863C-11D659FE4AA2} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- 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:2492
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2628
- - 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:2560
- 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:2080
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1756
- - 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:2040
- 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:552
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2180
- - 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:1884

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

Remote System Discovery

T1018

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
2d1b50550a2aaec74c0e9021437fecfe

SHA1
d6aa602b0ccf457bb85fabe60b85640d52c6c20c

SHA256
43bc51340091f87e081a67104ec7dfecf03b9cd2ef0b6fd8eb6f2478241c252d

SHA512
c2e9e0c88b308428b95c2c9ad964259b7c1e5a4ab3c641d395d4bd2b4ef74774e1e22f81d84ac7aa694b85984cf15b958ffdb0aa737f00f5cd10febe2d3271f8

Download Submit
memory/348-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/348-35-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/348-9-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/348-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/348-14-0x0000000000200000-0x000000000020E000-memory.dmp

Filesize
56KB

Download
memory/348-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/348-13-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/348-17-0x00000000003F0000-0x0000000000402000-memory.dmp

Filesize
72KB

Download
memory/348-16-0x00000000008F0000-0x000000000094C000-memory.dmp

Filesize
368KB

Download
memory/348-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/348-15-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/348-18-0x0000000000690000-0x0000000000698000-memory.dmp

Filesize
32KB

Download
memory/348-19-0x0000000000B80000-0x0000000000B98000-memory.dmp

Filesize
96KB

Download
memory/348-20-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/348-34-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/552-49-0x00000000010B0000-0x000000000135A000-memory.dmp

Filesize
2.7MB

Download
memory/1812-1-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1812-0-0x00000000008B0000-0x0000000000B5A000-memory.dmp

Filesize
2.7MB

Download
memory/2080-37-0x0000000000290000-0x000000000053A000-memory.dmp

Filesize
2.7MB

Download
memory/2492-23-0x0000000000B60000-0x0000000000E0A000-memory.dmp

Filesize
2.7MB

Download