orcus | a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc

General

Target

a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe
Size

3.4MB
MD5

05888b6c9d82614fd78f2e18042a8bb5
SHA1

dafa18118526ee810f711b28c51f943b395e7125
SHA256

a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc
SHA512

0514ab3446a7d94c927ad53f80709240440fbf41c788254f1601749fbe5b1225e8ed6dbb03d0e70dbb190271ca8ce9912aee48049292e583820852531517893f
SSDEEP

49152:I1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qbz:IUHTPJg8z1mKnypSbRxo9JCmZ

Score

10^/10

orcus nursultan discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Nursultan

C2

31.44.184.52:54370

Mutex

sudo_bp699czsfjd7gmkou1b4ehni7u7zmpck

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\wordpresssqlrequest\requestprovider.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4012-1-0x0000000000530000-0x0000000000898000-memory.dmp	orcus
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe	orcus

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe

Executes dropped EXE 6 IoCs

Processes:

requestprovider.exerequestprovider.exerequestprovider.exerequestprovider.exerequestprovider.exerequestprovider.exe

pid process

1996 requestprovider.exe
3764 requestprovider.exe
3984 requestprovider.exe
4576 requestprovider.exe
1444 requestprovider.exe
1696 requestprovider.exe

pid	process
1996	requestprovider.exe
3764	requestprovider.exe
3984	requestprovider.exe
4576	requestprovider.exe
1444	requestprovider.exe
1696	requestprovider.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

requestprovider.exerequestprovider.exerequestprovider.exe

description	pid	process	target process
PID 1996 set thread context of 3512	1996	requestprovider.exe	caspol.exe
PID 3764 set thread context of 2464	3764	requestprovider.exe	caspol.exe
PID 3984 set thread context of 4384	3984	requestprovider.exe	installutil.exe

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 10 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:

caspol.exerequestprovider.exerequestprovider.exea9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exerequestprovider.exerequestprovider.exerequestprovider.exerequestprovider.execaspol.exeinstallutil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	requestprovider.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	requestprovider.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	requestprovider.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	requestprovider.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	requestprovider.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	requestprovider.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exerequestprovider.exerequestprovider.exerequestprovider.execaspol.exe

pid	process
4012	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe
1996	requestprovider.exe
1996	requestprovider.exe
3764	requestprovider.exe
3764	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3984	requestprovider.exe
3512	caspol.exe
3512	caspol.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exerequestprovider.exerequestprovider.exerequestprovider.execaspol.exe

description	pid	process
Token: SeDebugPrivilege	4012	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe
Token: SeDebugPrivilege	1996	requestprovider.exe
Token: SeDebugPrivilege	3764	requestprovider.exe
Token: SeDebugPrivilege	3984	requestprovider.exe
Token: SeDebugPrivilege	3512	caspol.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exerequestprovider.exerequestprovider.exerequestprovider.exe

description	pid	process	target process
PID 4012 wrote to memory of 1996	4012	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe	requestprovider.exe
PID 4012 wrote to memory of 1996	4012	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe	requestprovider.exe
PID 4012 wrote to memory of 1996	4012	a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe	requestprovider.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 1996 wrote to memory of 3512	1996	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3764 wrote to memory of 2464	3764	requestprovider.exe	caspol.exe
PID 3984 wrote to memory of 808	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 808	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 808	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 1628	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 1628	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 1628	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4720	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4720	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4720	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe
PID 3984 wrote to memory of 4384	3984	requestprovider.exe	installutil.exe

C:\Users\Admin\AppData\Local\Temp\a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe
"C:\Users\Admin\AppData\Local\Temp\a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012

C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
"C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3512

C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3764

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:2464

C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:808

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:1628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:4720

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:4384

C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4576

C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1444

C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe

Filesize
3.4MB

MD5
05888b6c9d82614fd78f2e18042a8bb5

SHA1
dafa18118526ee810f711b28c51f943b395e7125

SHA256
a9f18680756a41d61a5fcb038fb70a0d758086da3db4bc9938cd068682c193dc

SHA512
0514ab3446a7d94c927ad53f80709240440fbf41c788254f1601749fbe5b1225e8ed6dbb03d0e70dbb190271ca8ce9912aee48049292e583820852531517893f

Download Submit
C:\Users\Admin\AppData\Roaming\wordpresssqlrequest\requestprovider.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1996-34-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/1996-26-0x0000000005680000-0x0000000005692000-memory.dmp

Filesize
72KB

Download
memory/1996-30-0x0000000006660000-0x00000000066FC000-memory.dmp

Filesize
624KB

Download
memory/1996-27-0x0000000005D20000-0x0000000005D6E000-memory.dmp

Filesize
312KB

Download
memory/1996-25-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/1996-23-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-42-0x0000000005410000-0x0000000005422000-memory.dmp

Filesize
72KB

Download
memory/3512-43-0x0000000005A50000-0x0000000005A68000-memory.dmp

Filesize
96KB

Download
memory/3512-44-0x0000000005A70000-0x0000000005A80000-memory.dmp

Filesize
64KB

Download
memory/3512-45-0x0000000006700000-0x000000000670A000-memory.dmp

Filesize
40KB

Download
memory/3764-38-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-32-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-29-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-39-0x0000000005C60000-0x0000000005C72000-memory.dmp

Filesize
72KB

Download
memory/4012-2-0x0000000001310000-0x000000000131E000-memory.dmp

Filesize
56KB

Download
memory/4012-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/4012-1-0x0000000000530000-0x0000000000898000-memory.dmp

Filesize
3.4MB

Download
memory/4012-24-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-4-0x0000000005260000-0x00000000052BC000-memory.dmp

Filesize
368KB

Download
memory/4012-3-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-7-0x0000000005500000-0x0000000005512000-memory.dmp

Filesize
72KB

Download
memory/4012-6-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/4012-5-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads