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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe	family_orcus

Orcurs Rat Executable 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2380-1-0x0000000000340000-0x000000000063E000-memory.dmp	orcus
C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe	orcus
behavioral1/memory/1628-18-0x0000000000E50000-0x000000000114E000-memory.dmp	orcus
behavioral1/memory/2696-28-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2696-26-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2696-31-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2696-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2696-35-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2472-57-0x0000000000F40000-0x000000000123E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

Processes:

cpu_.execpu_.execpu_.execpu_.exe

pid process

1628 cpu_.exe
2780 cpu_.exe
2472 cpu_.exe
1928 cpu_.exe
Loads dropped DLL 1 IoCs

Processes:

81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe

pid process

2380 81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

cpu_.exe

description pid process target process

PID 1628 set thread context of 2696 1628 cpu_.exe msbuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1628	cpu_.exe
2780	cpu_.exe
2472	cpu_.exe
1928	cpu_.exe

pid	process
2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe

description	pid	process	target process
PID 1628 set thread context of 2696	1628	cpu_.exe	msbuild.exe

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

Processes:

msbuild.execpu_.execpu_.exe81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.execpu_.execpu_.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.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	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.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

Processes:

81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.execpu_.exemsbuild.exe

pid process

2380 81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
1628 cpu_.exe
1628 cpu_.exe
2696 msbuild.exe
2696 msbuild.exe

pid	process
2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
1628	cpu_.exe
1628	cpu_.exe
2696	msbuild.exe
2696	msbuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.execpu_.exemsbuild.exe

description	pid	process
Token: SeDebugPrivilege	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
Token: SeDebugPrivilege	1628	cpu_.exe
Token: SeDebugPrivilege	2696	msbuild.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exetaskeng.execpu_.exe

description	pid	process	target process
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	cpu_.exe
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	cpu_.exe
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	cpu_.exe
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	cpu_.exe
PID 2220 wrote to memory of 2780	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 2780	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 2780	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 2780	2220	taskeng.exe	cpu_.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 1628 wrote to memory of 2696	1628	cpu_.exe	msbuild.exe
PID 2220 wrote to memory of 2472	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 2472	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 2472	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 2472	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 1928	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 1928	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 1928	2220	taskeng.exe	cpu_.exe
PID 2220 wrote to memory of 1928	2220	taskeng.exe	cpu_.exe

C:\Users\Admin\AppData\Local\Temp\81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
"C:\Users\Admin\AppData\Local\Temp\81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- 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:1628
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2696

C:\Windows\system32\taskeng.exe
taskeng.exe {7E3B05C6-4E9D-4B60-A472-342C1465561E} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  C:\Users\Admin\AppData\Roaming\privatewindowsline\cpu_.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Temp\Cab9475.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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/1628-16-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-20-0x0000000000B10000-0x0000000000B5E000-memory.dmp

Filesize
312KB

Download
memory/1628-19-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-34-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-18-0x0000000000E50000-0x000000000114E000-memory.dmp

Filesize
3.0MB

Download
memory/2380-4-0x0000000004520000-0x000000000457C000-memory.dmp

Filesize
368KB

Download
memory/2380-17-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-5-0x0000000000310000-0x0000000000322000-memory.dmp

Filesize
72KB

Download
memory/2380-3-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-2-0x0000000000200000-0x000000000020E000-memory.dmp

Filesize
56KB

Download
memory/2380-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000000340000-0x000000000063E000-memory.dmp

Filesize
3.0MB

Download
memory/2472-57-0x0000000000F40000-0x000000000123E000-memory.dmp

Filesize
3.0MB

Download
memory/2696-24-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2696-30-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-31-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2696-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2696-26-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2696-35-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2696-36-0x00000000009C0000-0x00000000009D8000-memory.dmp

Filesize
96KB

Download
memory/2696-37-0x0000000000A40000-0x0000000000A50000-memory.dmp

Filesize
64KB

Download
memory/2696-28-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2696-54-0x0000000002340000-0x000000000234E000-memory.dmp

Filesize
56KB

Download
memory/2696-55-0x0000000002560000-0x0000000002562000-memory.dmp

Filesize
8KB

Download
memory/2696-22-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads