orcus | b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e

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

C2

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3880-2-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

setspn.exesetspn.exeb4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe

Executes dropped EXE 2 IoCs

Processes:

setspn.exesetspn.exe

pid	Process
3652	setspn.exe
2940	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/4432-0-0x0000000000E00000-0x00000000010AA000-memory.dmp	autoit_exe
behavioral2/files/0x000f000000023402-23.dat	autoit_exe
behavioral2/memory/3652-24-0x00000000001F0000-0x000000000049A000-memory.dmp	autoit_exe
behavioral2/memory/2940-33-0x00000000001F0000-0x000000000049A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exesetspn.exesetspn.exe

description	pid	Process	procid_target
PID 4432 set thread context of 3880	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	87
PID 3652 set thread context of 4000	3652	setspn.exe	101
PID 2940 set thread context of 4976	2940	setspn.exe	106

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:

setspn.exeb4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exeRegSvcs.exeschtasks.exesetspn.exeRegSvcs.exeschtasks.exeRegSvcs.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setspn.exe
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	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
1608	schtasks.exe
3588	schtasks.exe
4240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exesetspn.exesetspn.exe

pid	Process
4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
3652	setspn.exe
3652	setspn.exe
3652	setspn.exe
3652	setspn.exe
2940	setspn.exe
2940	setspn.exe
2940	setspn.exe
2940	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	3880	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid	Process
3880	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exesetspn.exesetspn.exe

description	pid	Process	procid_target
PID 4432 wrote to memory of 3880	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	87
PID 4432 wrote to memory of 3880	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	87
PID 4432 wrote to memory of 3880	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	87
PID 4432 wrote to memory of 3880	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	87
PID 4432 wrote to memory of 3880	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	87
PID 4432 wrote to memory of 1608	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	88
PID 4432 wrote to memory of 1608	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	88
PID 4432 wrote to memory of 1608	4432	b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe	88
PID 3652 wrote to memory of 4000	3652	setspn.exe	101
PID 3652 wrote to memory of 4000	3652	setspn.exe	101
PID 3652 wrote to memory of 4000	3652	setspn.exe	101
PID 3652 wrote to memory of 4000	3652	setspn.exe	101
PID 3652 wrote to memory of 4000	3652	setspn.exe	101
PID 3652 wrote to memory of 3588	3652	setspn.exe	102
PID 3652 wrote to memory of 3588	3652	setspn.exe	102
PID 3652 wrote to memory of 3588	3652	setspn.exe	102
PID 2940 wrote to memory of 4976	2940	setspn.exe	106
PID 2940 wrote to memory of 4976	2940	setspn.exe	106
PID 2940 wrote to memory of 4976	2940	setspn.exe	106
PID 2940 wrote to memory of 4976	2940	setspn.exe	106
PID 2940 wrote to memory of 4976	2940	setspn.exe	106
PID 2940 wrote to memory of 4240	2940	setspn.exe	107
PID 2940 wrote to memory of 4240	2940	setspn.exe	107
PID 2940 wrote to memory of 4240	2940	setspn.exe	107

C:\Users\Admin\AppData\Local\Temp\b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe
"C:\Users\Admin\AppData\Local\Temp\b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4432
- 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:3880
- 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:1608

C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3652
- 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
  PID:4000
- 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:3588

C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2940
- 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
  PID:4976
- 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:4240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe

Filesize
2.6MB

MD5
e6e5d3a5d98f539a6072a90f2a234e41

SHA1
cf37b392b48d329c4eac47a0d82fd8ca5a9e2635

SHA256
1a0a5f4fa0219154b66e7f0165a47ece7ba92e13ee9485821582e49054d6f581

SHA512
aad790637b33203603fa65d67fcc8a8f2d0a8745b75ccbd9f677948fde618686a8e47fcb45bea04610030f41b30fe6b172b6d939c7231138f787e55d9550783d

Download Submit
memory/2940-33-0x00000000001F0000-0x000000000049A000-memory.dmp

Filesize
2.7MB

Download
memory/3652-24-0x00000000001F0000-0x000000000049A000-memory.dmp

Filesize
2.7MB

Download
memory/3880-16-0x0000000005AB0000-0x0000000005AB8000-memory.dmp

Filesize
32KB

Download
memory/3880-19-0x0000000005F90000-0x0000000005FA0000-memory.dmp

Filesize
64KB

Download
memory/3880-10-0x0000000073CC0000-0x0000000074470000-memory.dmp

Filesize
7.7MB

Download
memory/3880-13-0x0000000005FD0000-0x0000000006574000-memory.dmp

Filesize
5.6MB

Download
memory/3880-14-0x0000000005AC0000-0x0000000005B52000-memory.dmp

Filesize
584KB

Download
memory/3880-15-0x0000000005AA0000-0x0000000005AB2000-memory.dmp

Filesize
72KB

Download
memory/3880-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/3880-17-0x0000000005EF0000-0x0000000005F08000-memory.dmp

Filesize
96KB

Download
memory/3880-18-0x0000000006950000-0x0000000006B12000-memory.dmp

Filesize
1.8MB

Download
memory/3880-9-0x0000000005930000-0x000000000598C000-memory.dmp

Filesize
368KB

Download
memory/3880-20-0x0000000006940000-0x000000000694A000-memory.dmp

Filesize
40KB

Download
memory/3880-21-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/3880-22-0x0000000073CC0000-0x0000000074470000-memory.dmp

Filesize
7.7MB

Download
memory/3880-8-0x0000000003260000-0x000000000326E000-memory.dmp

Filesize
56KB

Download
memory/3880-7-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

Filesize
4KB

Download
memory/4432-0-0x0000000000E00000-0x00000000010AA000-memory.dmp

Filesize
2.7MB

Download
memory/4432-1-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads