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
behavioral1/files/0x0009000000016652-12.dat	family_orcus

Orcurs Rat Executable 9 IoCs

resource	yara_rule
behavioral1/memory/2380-1-0x0000000000340000-0x000000000063E000-memory.dmp	orcus
behavioral1/files/0x0009000000016652-12.dat	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

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

Loads dropped DLL 1 IoCs

pid	Process
2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2696	1628	cpu_.exe	32

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	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

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

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

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2380 wrote to memory of 1628	2380	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2220 wrote to memory of 2780	2220	taskeng.exe	33
PID 2220 wrote to memory of 2780	2220	taskeng.exe	33
PID 2220 wrote to memory of 2780	2220	taskeng.exe	33
PID 2220 wrote to memory of 2780	2220	taskeng.exe	33
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 1628 wrote to memory of 2696	1628	cpu_.exe	32
PID 2220 wrote to memory of 2472	2220	taskeng.exe	36
PID 2220 wrote to memory of 2472	2220	taskeng.exe	36
PID 2220 wrote to memory of 2472	2220	taskeng.exe	36
PID 2220 wrote to memory of 2472	2220	taskeng.exe	36
PID 2220 wrote to memory of 1928	2220	taskeng.exe	37
PID 2220 wrote to memory of 1928	2220	taskeng.exe	37
PID 2220 wrote to memory of 1928	2220	taskeng.exe	37
PID 2220 wrote to memory of 1928	2220	taskeng.exe	37

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

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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

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