orcus | 81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d

Analysis

max time kernel
128s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/11/2024, 01:02

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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

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/0x0008000000016d89-10.dat	family_orcus

Orcurs Rat Executable 10 IoCs

resource	yara_rule
behavioral1/memory/2260-1-0x0000000000C70000-0x0000000000F6E000-memory.dmp	orcus
behavioral1/files/0x0008000000016d89-10.dat	orcus
behavioral1/memory/2656-18-0x0000000000270000-0x000000000056E000-memory.dmp	orcus
behavioral1/memory/2548-36-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2548-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2548-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2548-29-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2548-27-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1132-71-0x0000000000940000-0x0000000000C3E000-memory.dmp	orcus
behavioral1/memory/2960-73-0x0000000000E50000-0x000000000114E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2656	cpu_.exe
2592	cpu_.exe
1132	cpu_.exe
2960	cpu_.exe

Loads dropped DLL 1 IoCs

pid	Process
2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2548	2656	cpu_.exe	32
PID 2592 set thread context of 2204	2592	cpu_.exe	34

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 7 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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpu_.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
2656	cpu_.exe
2656	cpu_.exe
2592	cpu_.exe
2592	cpu_.exe
2548	regasm.exe
2548	regasm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe
Token: SeDebugPrivilege	2656	cpu_.exe
Token: SeDebugPrivilege	2592	cpu_.exe
Token: SeDebugPrivilege	2548	regasm.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2656	2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2260 wrote to memory of 2656	2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2260 wrote to memory of 2656	2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 2260 wrote to memory of 2656	2260	81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d.exe	30
PID 1312 wrote to memory of 2592	1312	taskeng.exe	33
PID 1312 wrote to memory of 2592	1312	taskeng.exe	33
PID 1312 wrote to memory of 2592	1312	taskeng.exe	33
PID 1312 wrote to memory of 2592	1312	taskeng.exe	33
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2656 wrote to memory of 2548	2656	cpu_.exe	32
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 2592 wrote to memory of 2204	2592	cpu_.exe	34
PID 1312 wrote to memory of 1132	1312	taskeng.exe	36
PID 1312 wrote to memory of 1132	1312	taskeng.exe	36
PID 1312 wrote to memory of 1132	1312	taskeng.exe	36
PID 1312 wrote to memory of 1132	1312	taskeng.exe	36
PID 1312 wrote to memory of 2960	1312	taskeng.exe	38
PID 1312 wrote to memory of 2960	1312	taskeng.exe	38
PID 1312 wrote to memory of 2960	1312	taskeng.exe	38
PID 1312 wrote to memory of 2960	1312	taskeng.exe	38

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:2260
- 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:2656
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2548

C:\Windows\system32\taskeng.exe
taskeng.exe {ED4C695E-21D5-4E03-8D1D-24A5F363814B} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- 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:2592
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2204
- 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:1132
- 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:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabEF1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
3.0MB

MD5
4e4965566a3aa96f3af232f66065899e

SHA1
a19e0e33641b9d6edbb06b4253bff933b21817ad

SHA256
81a0ead38f8ec2d7fa5ba67a0672a798a7b99fe1a5659c1128dfa1be87b0539d

SHA512
70cc2c701bc57b15580a1a5586b77fe38857d36761a4d8f426d72ef484071734c65d48cea050b315b827f136e7e2facb46698dd26c63d111c7c55bcc82e3e7d8

Download Submit
memory/1132-71-0x0000000000940000-0x0000000000C3E000-memory.dmp

Filesize
3.0MB

Download
memory/2260-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2260-1-0x0000000000C70000-0x0000000000F6E000-memory.dmp

Filesize
3.0MB

Download
memory/2260-2-0x0000000000640000-0x000000000064E000-memory.dmp

Filesize
56KB

Download
memory/2260-3-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2260-4-0x00000000024B0000-0x000000000250C000-memory.dmp

Filesize
368KB

Download
memory/2260-5-0x0000000000A00000-0x0000000000A12000-memory.dmp

Filesize
72KB

Download
memory/2260-16-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-36-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-27-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-69-0x0000000001230000-0x0000000001232000-memory.dmp

Filesize
8KB

Download
memory/2548-68-0x0000000001150000-0x000000000115E000-memory.dmp

Filesize
56KB

Download
memory/2548-51-0x0000000000E80000-0x0000000000E90000-memory.dmp

Filesize
64KB

Download
memory/2548-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-29-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-50-0x0000000000B80000-0x0000000000B98000-memory.dmp

Filesize
96KB

Download
memory/2548-25-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-23-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2548-49-0x00000000008B0000-0x00000000008C2000-memory.dmp

Filesize
72KB

Download
memory/2656-20-0x00000000009B0000-0x00000000009C2000-memory.dmp

Filesize
72KB

Download
memory/2656-35-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2656-18-0x0000000000270000-0x000000000056E000-memory.dmp

Filesize
3.0MB

Download
memory/2656-19-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2656-21-0x0000000002170000-0x00000000021BE000-memory.dmp

Filesize
312KB

Download
memory/2656-17-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2960-73-0x0000000000E50000-0x000000000114E000-memory.dmp

Filesize
3.0MB

Download