orcus | 5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6

Analysis

max time kernel
140s
max time network
142s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 02:28

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General

Target

5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe
Size

2.6MB
MD5

d85be1129521022cdb0448a6f09876c3
SHA1

b7a7e2f7765accbb8f4fcc753f78931eef2fe5d7
SHA256

5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6
SHA512

874f87ec5651953389582e3ff61c8cbee27776fd1fe9b0a1e84b1f4253ca7ec60a502351c0a4974b91549f2a5deef4aab50a8a5936f94fe6be18c385de75e4ab
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx9:Hh+ZkldoPKiYdqd6V

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/2032-3-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2032-9-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2032-10-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
1996	setspn.exe
660	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2196-0-0x0000000000D20000-0x0000000000FCA000-memory.dmp	autoit_exe
behavioral1/files/0x0009000000014b70-23.dat	autoit_exe
behavioral1/memory/1996-25-0x0000000000F00000-0x00000000011AA000-memory.dmp	autoit_exe
behavioral1/memory/660-38-0x0000000000F00000-0x00000000011AA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 1996 set thread context of 1196	1996	setspn.exe	35
PID 660 set thread context of 1268	660	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
1860	schtasks.exe
1180	schtasks.exe
348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe
2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe
1996	setspn.exe
1996	setspn.exe
660	setspn.exe
660	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	RegSvcs.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 2032	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	28
PID 2196 wrote to memory of 1860	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	29
PID 2196 wrote to memory of 1860	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	29
PID 2196 wrote to memory of 1860	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	29
PID 2196 wrote to memory of 1860	2196	5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe	29
PID 2760 wrote to memory of 1996	2760	taskeng.exe	34
PID 2760 wrote to memory of 1996	2760	taskeng.exe	34
PID 2760 wrote to memory of 1996	2760	taskeng.exe	34
PID 2760 wrote to memory of 1996	2760	taskeng.exe	34
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1196	1996	setspn.exe	35
PID 1996 wrote to memory of 1180	1996	setspn.exe	36
PID 1996 wrote to memory of 1180	1996	setspn.exe	36
PID 1996 wrote to memory of 1180	1996	setspn.exe	36
PID 1996 wrote to memory of 1180	1996	setspn.exe	36
PID 2760 wrote to memory of 660	2760	taskeng.exe	38
PID 2760 wrote to memory of 660	2760	taskeng.exe	38
PID 2760 wrote to memory of 660	2760	taskeng.exe	38
PID 2760 wrote to memory of 660	2760	taskeng.exe	38
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 1268	660	setspn.exe	39
PID 660 wrote to memory of 348	660	setspn.exe	40
PID 660 wrote to memory of 348	660	setspn.exe	40
PID 660 wrote to memory of 348	660	setspn.exe	40
PID 660 wrote to memory of 348	660	setspn.exe	40

C:\Users\Admin\AppData\Local\Temp\5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe
"C:\Users\Admin\AppData\Local\Temp\5a99462658a44b7056c845061260609a009160aecac2d7211ebc817f5ccfb0e6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2196
- 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:2032
- 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:1860

C:\Windows\system32\taskeng.exe
taskeng.exe {5AFB594A-8F75-4D3B-9D0F-AE399FAA63C0} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- 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:1996
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1196
- - 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:1180
- 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:660
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1268
- - 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:348

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
e6e1ecbf0b000e30745e1c34cc0d18e0

SHA1
fdb971935379b48120f88c2c836c41d7262d52c0

SHA256
52bf6cce2672b8ee0816361a09a491e3558d35a2eb618e0d8b0bb3b954e9bf36

SHA512
6e14409b5db56aaf6d458c1597752d5f3a0d547ed909297bc42265844ea2c876cb87a6670ac90cd11c50670ee81bf1bba903281e84c39eb7abfde27f410b1017

Download Submit
memory/660-38-0x0000000000F00000-0x00000000011AA000-memory.dmp

Filesize
2.7MB

Download
memory/1196-36-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1196-35-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1268-50-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1268-48-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1268-49-0x00000000048E0000-0x0000000004920000-memory.dmp

Filesize
256KB

Download
memory/1996-25-0x0000000000F00000-0x00000000011AA000-memory.dmp

Filesize
2.7MB

Download
memory/2032-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2032-14-0x0000000004A90000-0x0000000004AD0000-memory.dmp

Filesize
256KB

Download
memory/2032-16-0x0000000004130000-0x000000000418C000-memory.dmp

Filesize
368KB

Download
memory/2032-17-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2032-18-0x0000000000A00000-0x0000000000A08000-memory.dmp

Filesize
32KB

Download
memory/2032-19-0x0000000000AF0000-0x0000000000B08000-memory.dmp

Filesize
96KB

Download
memory/2032-20-0x0000000002000000-0x0000000002010000-memory.dmp

Filesize
64KB

Download
memory/2032-21-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2032-22-0x0000000004A90000-0x0000000004AD0000-memory.dmp

Filesize
256KB

Download
memory/2032-15-0x0000000000320000-0x000000000032E000-memory.dmp

Filesize
56KB

Download
memory/2032-13-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/2032-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2032-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2032-9-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2032-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2196-0-0x0000000000D20000-0x0000000000FCA000-memory.dmp

Filesize
2.7MB

Download
memory/2196-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download