orcus | 81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d

General

Target

81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
Size

3.0MB
MD5

4e4965566a3aa96f3af232f66065899e
SHA1

a19e0e33641b9d6edbb06b4253bff933b21817ad
SHA256

81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d
SHA512

70cc2c701bc57b15580a1a5586b77fe38857d36761a4d8f426d72ef484071734c65d48cea050b315b827f136e7e2facb46698dd26c63d111c7c55bcc82e3e7d8
SSDEEP

49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:61350

Mutex

sudo_b6tx4ec9njijzf9nicunblw4e4l0imp9

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\privatewindowsline\cpu_.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 family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023cab-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/3048-1-0x00000000007A0000-0x0000000000A9E000-memory.dmp	orcus
behavioral2/files/0x0008000000023cab-13.dat	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe

Executes dropped EXE 4 IoCs

pid	Process
1416	cpu_.exe
2244	cpu_.exe
3860	cpu_.exe
524	cpu_.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1416 set thread context of 4692	1416	cpu_.exe	89

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 6 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpu_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpu_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpu_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpu_.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3048	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
1416	cpu_.exe
1416	cpu_.exe
4692	caspol.exe
4692	caspol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
Token: SeDebugPrivilege	1416	cpu_.exe
Token: SeDebugPrivilege	4692	caspol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 1416	3048	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	87
PID 3048 wrote to memory of 1416	3048	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	87
PID 3048 wrote to memory of 1416	3048	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	87
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89
PID 1416 wrote to memory of 4692	1416	cpu_.exe	89

C:\Users\Admin\AppData\Local\Temp\81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
"C:\Users\Admin\AppData\Local\Temp\81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  "C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.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:1416
- - 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:4692

C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2244

C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3860

C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:524

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

Loading Replay Monitor...

Downloads

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe

Filesize
3.0MB

MD5
4e4965566a3aa96f3af232f66065899e

SHA1
a19e0e33641b9d6edbb06b4253bff933b21817ad

SHA256
81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d

SHA512
70cc2c701bc57b15580a1a5586b77fe38857d36761a4d8f426d72ef484071734c65d48cea050b315b827f136e7e2facb46698dd26c63d111c7c55bcc82e3e7d8

Download Submit
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1416-23-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/1416-32-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/1416-28-0x0000000006440000-0x00000000064DC000-memory.dmp

Filesize
624KB

Download
memory/1416-26-0x0000000005AE0000-0x0000000005B2E000-memory.dmp

Filesize
312KB

Download
memory/1416-25-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/2244-45-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/2244-29-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3048-7-0x0000000005670000-0x0000000005682000-memory.dmp

Filesize
72KB

Download
memory/3048-24-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3048-0-0x000000007498E000-0x000000007498F000-memory.dmp

Filesize
4KB

Download
memory/3048-6-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/3048-5-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/3048-4-0x0000000005690000-0x00000000056EC000-memory.dmp

Filesize
368KB

Download
memory/3048-3-0x0000000074980000-0x0000000075130000-memory.dmp

Filesize
7.7MB

Download
memory/3048-1-0x00000000007A0000-0x0000000000A9E000-memory.dmp

Filesize
3.0MB

Download
memory/3048-2-0x0000000005340000-0x000000000534E000-memory.dmp

Filesize
56KB

Download
memory/4692-39-0x0000000007470000-0x0000000007A88000-memory.dmp

Filesize
6.1MB

Download
memory/4692-38-0x0000000006DE0000-0x0000000006E46000-memory.dmp

Filesize
408KB

Download
memory/4692-35-0x0000000006540000-0x000000000654A000-memory.dmp

Filesize
40KB

Download
memory/4692-40-0x0000000006EF0000-0x0000000006F02000-memory.dmp

Filesize
72KB

Download
memory/4692-41-0x0000000006F50000-0x0000000006F8C000-memory.dmp

Filesize
240KB

Download
memory/4692-42-0x0000000006F90000-0x0000000006FDC000-memory.dmp

Filesize
304KB

Download
memory/4692-34-0x0000000006200000-0x0000000006210000-memory.dmp

Filesize
64KB

Download
memory/4692-44-0x0000000007120000-0x000000000722A000-memory.dmp

Filesize
1.0MB

Download
memory/4692-33-0x00000000053E0000-0x00000000053F8000-memory.dmp

Filesize
96KB

Download
memory/4692-46-0x0000000007A90000-0x0000000007C52000-memory.dmp

Filesize
1.8MB

Download
memory/4692-47-0x0000000007110000-0x000000000711E000-memory.dmp

Filesize
56KB

Download
memory/4692-48-0x0000000008010000-0x0000000008060000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing