orcus | a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674

Analysis

max time kernel
140s
max time network
143s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 01:08

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General

Target

a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe
Size

2.6MB
MD5

6ab2b08d7389f3c11a514e41b2aaad52
SHA1

0695a6bc3b32a541385170d184817f849db2d5d7
SHA256

a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674
SHA512

85cb28bf7f0e67c7be0ff7761b050d42640a4389e0b096e9ea082fd4046b312b552c3ab7d003f879ef437c96515ab8c12e7313a2712474836f90bdbd7749a748
SSDEEP

24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxV:Hh+ZkldoPKiYdqd6t

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/2128-3-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2128-9-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2128-10-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
312	setspn.exe
2536	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2732-0-0x00000000009F0000-0x0000000000C9A000-memory.dmp	autoit_exe
behavioral1/files/0x000c00000001225d-23.dat	autoit_exe
behavioral1/memory/312-25-0x0000000000110000-0x00000000003BA000-memory.dmp	autoit_exe
behavioral1/memory/2536-40-0x0000000000A50000-0x0000000000CFA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 312 set thread context of 1664	312	setspn.exe	35
PID 2536 set thread context of 2420	2536	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
2920	schtasks.exe
1976	schtasks.exe
1408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe
2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe
312	setspn.exe
312	setspn.exe
2536	setspn.exe
2536	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	RegSvcs.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2128	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	28
PID 2732 wrote to memory of 2920	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	29
PID 2732 wrote to memory of 2920	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	29
PID 2732 wrote to memory of 2920	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	29
PID 2732 wrote to memory of 2920	2732	a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe	29
PID 1348 wrote to memory of 312	1348	taskeng.exe	34
PID 1348 wrote to memory of 312	1348	taskeng.exe	34
PID 1348 wrote to memory of 312	1348	taskeng.exe	34
PID 1348 wrote to memory of 312	1348	taskeng.exe	34
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1664	312	setspn.exe	35
PID 312 wrote to memory of 1976	312	setspn.exe	36
PID 312 wrote to memory of 1976	312	setspn.exe	36
PID 312 wrote to memory of 1976	312	setspn.exe	36
PID 312 wrote to memory of 1976	312	setspn.exe	36
PID 1348 wrote to memory of 2536	1348	taskeng.exe	38
PID 1348 wrote to memory of 2536	1348	taskeng.exe	38
PID 1348 wrote to memory of 2536	1348	taskeng.exe	38
PID 1348 wrote to memory of 2536	1348	taskeng.exe	38
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 2420	2536	setspn.exe	39
PID 2536 wrote to memory of 1408	2536	setspn.exe	40
PID 2536 wrote to memory of 1408	2536	setspn.exe	40
PID 2536 wrote to memory of 1408	2536	setspn.exe	40
PID 2536 wrote to memory of 1408	2536	setspn.exe	40

C:\Users\Admin\AppData\Local\Temp\a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe
"C:\Users\Admin\AppData\Local\Temp\a10a2f56cf719aa265c1dfcac6f99e6a2cdc776d7ebed7526b6ab85ea57f8674.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2732
- 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:2128
- 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:2920

C:\Windows\system32\taskeng.exe
taskeng.exe {AE29834B-129E-4B14-B4A9-177DAE650E38} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1348
- 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:312
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1664
- - 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:1976
- 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:2536
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2420
- - 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:1408

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
8c662bf2d431590ac0b011697b12e18a

SHA1
b322e079c98f601b45e5488c15f3f83a48e85c74

SHA256
33e7df2d80a3fa99eb6a29bd9fade8ff54410a5e953dae8bafad23f14d0437e5

SHA512
4cad1ecfceb5ee8579c019962a784a8f392e484c3ad6f97865fe41cf68f5c4a5fe6527c0fcc7ea4421b16a416f2f1c0574688361dd0c391836ee13a43294785d

Download Submit
memory/312-25-0x0000000000110000-0x00000000003BA000-memory.dmp

Filesize
2.7MB

Download
memory/1664-38-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/1664-36-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/1664-37-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download
memory/2128-10-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2128-22-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/2128-13-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2128-14-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/2128-15-0x0000000000690000-0x000000000069E000-memory.dmp

Filesize
56KB

Download
memory/2128-16-0x0000000000750000-0x00000000007AC000-memory.dmp

Filesize
368KB

Download
memory/2128-17-0x0000000000BC0000-0x0000000000BD2000-memory.dmp

Filesize
72KB

Download
memory/2128-18-0x0000000000CD0000-0x0000000000CD8000-memory.dmp

Filesize
32KB

Download
memory/2128-19-0x0000000000D20000-0x0000000000D38000-memory.dmp

Filesize
96KB

Download
memory/2128-20-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/2128-21-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2128-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2128-9-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2128-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2128-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2420-50-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-51-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/2420-52-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-40-0x0000000000A50000-0x0000000000CFA000-memory.dmp

Filesize
2.7MB

Download
memory/2732-0-0x00000000009F0000-0x0000000000C9A000-memory.dmp

Filesize
2.7MB

Download
memory/2732-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download