orcus | b4e45752a48284433993aa93868665cfb18a95f7a219ece195781ca4d012069e

General

Target

MalwareBazaar.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/4592-3-0x0000000000400000-0x00000000004EA000-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:

MalwareBazaar.exesetspn.exesetspn.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	setspn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	setspn.exe

Executes dropped EXE 2 IoCs

Processes:

setspn.exesetspn.exe

pid	Process
3068	setspn.exe
1872	setspn.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/2188-0-0x0000000001000000-0x00000000012AA000-memory.dmp	autoit_exe
behavioral2/files/0x0003000000022f95-22.dat	autoit_exe
behavioral2/memory/3068-23-0x0000000000C90000-0x0000000000F3A000-memory.dmp	autoit_exe
behavioral2/memory/1872-32-0x0000000000C90000-0x0000000000F3A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

MalwareBazaar.exesetspn.exesetspn.exe

description	pid	Process	procid_target
PID 2188 set thread context of 4592	2188	MalwareBazaar.exe	91
PID 3068 set thread context of 2700	3068	setspn.exe	101
PID 1872 set thread context of 4060	1872	setspn.exe	113

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:

schtasks.exeRegSvcs.exeschtasks.exeRegSvcs.exesetspn.exeRegSvcs.exeMalwareBazaar.exesetspn.exeschtasks.exe

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setspn.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
3260	schtasks.exe
3084	schtasks.exe
1212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

MalwareBazaar.exesetspn.exesetspn.exe

pid	Process
2188	MalwareBazaar.exe
2188	MalwareBazaar.exe
2188	MalwareBazaar.exe
2188	MalwareBazaar.exe
3068	setspn.exe
3068	setspn.exe
3068	setspn.exe
3068	setspn.exe
1872	setspn.exe
1872	setspn.exe
1872	setspn.exe
1872	setspn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	4592	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid	Process
4592	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

MalwareBazaar.exesetspn.exesetspn.exe

description	pid	Process	procid_target
PID 2188 wrote to memory of 4592	2188	MalwareBazaar.exe	91
PID 2188 wrote to memory of 4592	2188	MalwareBazaar.exe	91
PID 2188 wrote to memory of 4592	2188	MalwareBazaar.exe	91
PID 2188 wrote to memory of 4592	2188	MalwareBazaar.exe	91
PID 2188 wrote to memory of 4592	2188	MalwareBazaar.exe	91
PID 2188 wrote to memory of 3260	2188	MalwareBazaar.exe	92
PID 2188 wrote to memory of 3260	2188	MalwareBazaar.exe	92
PID 2188 wrote to memory of 3260	2188	MalwareBazaar.exe	92
PID 3068 wrote to memory of 2700	3068	setspn.exe	101
PID 3068 wrote to memory of 2700	3068	setspn.exe	101
PID 3068 wrote to memory of 2700	3068	setspn.exe	101
PID 3068 wrote to memory of 2700	3068	setspn.exe	101
PID 3068 wrote to memory of 2700	3068	setspn.exe	101
PID 3068 wrote to memory of 3084	3068	setspn.exe	102
PID 3068 wrote to memory of 3084	3068	setspn.exe	102
PID 3068 wrote to memory of 3084	3068	setspn.exe	102
PID 1872 wrote to memory of 4060	1872	setspn.exe	113
PID 1872 wrote to memory of 4060	1872	setspn.exe	113
PID 1872 wrote to memory of 4060	1872	setspn.exe	113
PID 1872 wrote to memory of 4060	1872	setspn.exe	113
PID 1872 wrote to memory of 4060	1872	setspn.exe	113
PID 1872 wrote to memory of 1212	1872	setspn.exe	114
PID 1872 wrote to memory of 1212	1872	setspn.exe	114
PID 1872 wrote to memory of 1212	1872	setspn.exe	114

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2188
- 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:4592
- 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:3260

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:3068
- 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: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:3084

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:1872
- 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:4060
- 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:1212

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
2feb6ab621c9c2b8c0f98dd65bf659eb

SHA1
0233c92d43c5b34fe94658fad23db45cc5ff30bf

SHA256
c2a26c7029201b41e44894eaa74228f80e611520b62de3e5e0827b9f23f62055

SHA512
10f54c6245aeae0ae77d53d338734821dc61c9749adca88cc3ddd4a811fdbc560c5e10ee08778e19b6d6b861b175f763270e3014cdbd0fac52581038a0f5ab99

Download Submit
memory/1872-32-0x0000000000C90000-0x0000000000F3A000-memory.dmp

Filesize
2.7MB

Download
memory/2188-0-0x0000000001000000-0x00000000012AA000-memory.dmp

Filesize
2.7MB

Download
memory/2188-1-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/3068-23-0x0000000000C90000-0x0000000000F3A000-memory.dmp

Filesize
2.7MB

Download
memory/4592-16-0x0000000005C80000-0x0000000005C88000-memory.dmp

Filesize
32KB

Download
memory/4592-19-0x00000000063F0000-0x0000000006400000-memory.dmp

Filesize
64KB

Download
memory/4592-14-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/4592-15-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/4592-10-0x0000000073E10000-0x00000000745C0000-memory.dmp

Filesize
7.7MB

Download
memory/4592-17-0x0000000006260000-0x0000000006278000-memory.dmp

Filesize
96KB

Download
memory/4592-18-0x00000000065C0000-0x0000000006782000-memory.dmp

Filesize
1.8MB

Download
memory/4592-13-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4592-20-0x0000000006900000-0x000000000690A000-memory.dmp

Filesize
40KB

Download
memory/4592-21-0x0000000073E10000-0x00000000745C0000-memory.dmp

Filesize
7.7MB

Download
memory/4592-9-0x0000000005610000-0x000000000566C000-memory.dmp

Filesize
368KB

Download
memory/4592-8-0x0000000002FF0000-0x0000000002FFE000-memory.dmp

Filesize
56KB

Download
memory/4592-7-0x0000000073E1E000-0x0000000073E1F000-memory.dmp

Filesize
4KB

Download
memory/4592-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads