orcus | f9ceb47834651e67fc99d1ca578bc6a72373ec281ca9e5b678e86a879b0da4a4

Resubmissions

13-11-2024 08:48

241113-kqly5ayfmm 10

13-11-2024 08:46

241113-kpsqaa1rfr 10

Analysis

max time kernel
23s
max time network
24s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 08:48

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General

Target

yef.exe
Size

1.2MB
MD5

58991bbcf8a974e128ba64f3bcb31e6e
SHA1

645a5096283c1f0b63ff07f3927534e44804114d
SHA256

d05f328df78420b8d97cb7205cccee30617ebeff333ac8d5ed32f6da69563baa
SHA512

76c35a2b6b787ded9c049b189b8844019720f47c0f2e07ced1c9b9b7622382d50062770f222ad1a0a626e66498be3d3e6cc22ca9c7fbf72d3b29b7f59e881eb6
SSDEEP

24576:rwVTXJvatkjAE+k/7aygMpbUdtoQVj020iDqxJooLUcdJYRk:KTQujL+hMyhVj8y8J7UcG

Score

10^/10

orcus cuties discovery execution rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

cuties

5virginia-evil.gl.at.ply.gg

Mutex

c75fa2addeaf42abb9797c0d693eca2b

Attributes

administration_rights_required
false
anti_debugger
false
anti_tcp_analyzer
false
antivm
false
autostart_method
1
change_creation_date
false
force_installer_administrator_privileges
false
hide_file
false
install
false
installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
installservice
false
keylogger_enabled
false
newcreationdate
10/27/2024 02:14:09
plugins
AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgNwA2ADkAMwA2AGQAMQAzAGMAYQAwAGMANAA5ADQANgA5AGIAMgBkAGUAOAA5ADQAMAAxADkANABiAGEAMAAzAAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDAAYQA4ADAANgA5AGMAZAA2AGUAMwA1ADQANAA1ADQAYQBkADMAOAAwAGQANABjAGIAYQA4ADYANQA2ADAANwABBcjswb8CldcC3rcCqMa3DYpVf2wVCkcAYQBtAGUAcgAgAFYAaQBlAHcABwMxAC4AMgBBIDQAZAA0ADEAYQAwADEAMgBkADgAMwBlADQAOABmADQAYQAxADEAYQBiAGYAYwA3ADMAMQBkADIAOQAwAGEAYwACAAYG
reconnect_delay
10000
registry_autostart_keyname
cmd
registry_hidden_autostart
false
set_admin_flag
false
tasksch_name
Audio HD Driver
tasksch_request_highest_privileges
false
try_other_autostart_onfail
false

aes.plain

Signatures

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

Executes dropped EXE 5 IoCs

Processes:

AudioDriver.exeAudioDriver.exeAudioDriver.exeAudioDriver.exeAudioDriver.exe

pid	Process
2192	AudioDriver.exe
2564	AudioDriver.exe
2644	AudioDriver.exe
2600	AudioDriver.exe
2968	AudioDriver.exe

Loads dropped DLL 6 IoCs

Processes:

yef.exeAudioDriver.exeAudioDriver.exe

pid	Process
2996	yef.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2968	AudioDriver.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
1512	powershell.exe
2616	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

yef.exeAudioDriver.exe

description	pid	Process	procid_target
PID 2116 set thread context of 2996	2116	yef.exe	35
PID 2192 set thread context of 2968	2192	AudioDriver.exe	42

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

Processes:

yef.exeAudioDriver.exepowershell.exeAudioDriver.exeyef.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

yef.exepowershell.exeAudioDriver.exepowershell.exeAudioDriver.exe

pid	Process
2116	yef.exe
2116	yef.exe
2116	yef.exe
2116	yef.exe
1512	powershell.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2192	AudioDriver.exe
2616	powershell.exe
2968	AudioDriver.exe
2968	AudioDriver.exe
2968	AudioDriver.exe
2968	AudioDriver.exe
2968	AudioDriver.exe
2968	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

yef.exepowershell.exeAudioDriver.exepowershell.exeAudioDriver.exe

description	pid	Process
Token: SeDebugPrivilege	2116	yef.exe
Token: SeDebugPrivilege	1512	powershell.exe
Token: SeDebugPrivilege	2192	AudioDriver.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2968	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AudioDriver.exe

pid	Process
2968	AudioDriver.exe

Suspicious use of WriteProcessMemory 50 IoCs

Processes:

yef.exeyef.exeAudioDriver.exe

description	pid	Process	procid_target
PID 2116 wrote to memory of 1512	2116	yef.exe	31
PID 2116 wrote to memory of 1512	2116	yef.exe	31
PID 2116 wrote to memory of 1512	2116	yef.exe	31
PID 2116 wrote to memory of 1512	2116	yef.exe	31
PID 2116 wrote to memory of 2844	2116	yef.exe	33
PID 2116 wrote to memory of 2844	2116	yef.exe	33
PID 2116 wrote to memory of 2844	2116	yef.exe	33
PID 2116 wrote to memory of 2844	2116	yef.exe	33
PID 2116 wrote to memory of 2444	2116	yef.exe	34
PID 2116 wrote to memory of 2444	2116	yef.exe	34
PID 2116 wrote to memory of 2444	2116	yef.exe	34
PID 2116 wrote to memory of 2444	2116	yef.exe	34
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2116 wrote to memory of 2996	2116	yef.exe	35
PID 2996 wrote to memory of 2192	2996	yef.exe	36
PID 2996 wrote to memory of 2192	2996	yef.exe	36
PID 2996 wrote to memory of 2192	2996	yef.exe	36
PID 2996 wrote to memory of 2192	2996	yef.exe	36
PID 2192 wrote to memory of 2616	2192	AudioDriver.exe	37
PID 2192 wrote to memory of 2616	2192	AudioDriver.exe	37
PID 2192 wrote to memory of 2616	2192	AudioDriver.exe	37
PID 2192 wrote to memory of 2616	2192	AudioDriver.exe	37
PID 2192 wrote to memory of 2564	2192	AudioDriver.exe	39
PID 2192 wrote to memory of 2564	2192	AudioDriver.exe	39
PID 2192 wrote to memory of 2564	2192	AudioDriver.exe	39
PID 2192 wrote to memory of 2564	2192	AudioDriver.exe	39
PID 2192 wrote to memory of 2600	2192	AudioDriver.exe	40
PID 2192 wrote to memory of 2600	2192	AudioDriver.exe	40
PID 2192 wrote to memory of 2600	2192	AudioDriver.exe	40
PID 2192 wrote to memory of 2600	2192	AudioDriver.exe	40
PID 2192 wrote to memory of 2644	2192	AudioDriver.exe	41
PID 2192 wrote to memory of 2644	2192	AudioDriver.exe	41
PID 2192 wrote to memory of 2644	2192	AudioDriver.exe	41
PID 2192 wrote to memory of 2644	2192	AudioDriver.exe	41
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42
PID 2192 wrote to memory of 2968	2192	AudioDriver.exe	42

C:\Users\Admin\AppData\Local\Temp\yef.exe
"C:\Users\Admin\AppData\Local\Temp\yef.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '' -Value '"C:\Users\Admin\AppData\Roaming\.exe"' -PropertyType 'String'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1512
- C:\Users\Admin\AppData\Local\Temp\yef.exe
  #cmd
  2⤵
  PID:2844
- C:\Users\Admin\AppData\Local\Temp\yef.exe
  #cmd
  2⤵
  PID:2444
- C:\Users\Admin\AppData\Local\Temp\yef.exe
  #cmd
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2192
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '' -Value '"C:\Users\Admin\AppData\Roaming\.exe"' -PropertyType 'String'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2616
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      #cmd
      4⤵
      Executes dropped EXE
      PID:2564
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      #cmd
      4⤵
      Executes dropped EXE
      PID:2600
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      #cmd
      4⤵
      Executes dropped EXE
      PID:2644
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      #cmd
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
93adf0182fe289e07038abeb5f01d1e0

SHA1
3c73332dca08d7fba1ce128995fd5e4562eec09d

SHA256
4a733f633803a30ed013f25d6a9b4e50e1acf1feeb8ffda566c0e00f10a0363f

SHA512
84810b45e7fe2e9df1e882dbec1f990dbdfddb4169036f34272839a817db7986167478ef4690119db47b4ab11f54643442b4f43580077f572312f908a9c43712

Download Submit
\Users\Admin\AppData\Roaming\GamerView\sqlite3.dll

Filesize
626KB

MD5
d8aec01ff14e3e7ad43a4b71e30482e4

SHA1
e3015f56f17d845ec7eef11d41bbbc28cc16d096

SHA256
da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

SHA512
f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
1.2MB

MD5
58991bbcf8a974e128ba64f3bcb31e6e

SHA1
645a5096283c1f0b63ff07f3927534e44804114d

SHA256
d05f328df78420b8d97cb7205cccee30617ebeff333ac8d5ed32f6da69563baa

SHA512
76c35a2b6b787ded9c049b189b8844019720f47c0f2e07ced1c9b9b7622382d50062770f222ad1a0a626e66498be3d3e6cc22ca9c7fbf72d3b29b7f59e881eb6

Download Submit
memory/1512-22-0x0000000070920000-0x0000000070ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1512-7-0x0000000070922000-0x0000000070924000-memory.dmp

Filesize
8KB

Download
memory/1512-6-0x0000000002BC0000-0x0000000002C00000-memory.dmp

Filesize
256KB

Download
memory/1512-23-0x0000000070920000-0x0000000070ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1512-73-0x0000000070920000-0x0000000070ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-5-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-19-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000000010000-0x0000000000146000-memory.dmp

Filesize
1.2MB

Download
memory/2192-37-0x00000000001A0000-0x00000000002D6000-memory.dmp

Filesize
1.2MB

Download
memory/2968-65-0x0000000000AA0000-0x0000000000AB0000-memory.dmp

Filesize
64KB

Download
memory/2968-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-74-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2996-21-0x0000000000630000-0x000000000063A000-memory.dmp

Filesize
40KB

Download
memory/2996-24-0x0000000004290000-0x00000000042DC000-memory.dmp

Filesize
304KB

Download
memory/2996-26-0x0000000000850000-0x0000000000858000-memory.dmp

Filesize
32KB

Download
memory/2996-25-0x0000000000820000-0x0000000000828000-memory.dmp

Filesize
32KB

Download
memory/2996-27-0x0000000004D30000-0x0000000004DE8000-memory.dmp

Filesize
736KB

Download
memory/2996-30-0x0000000004920000-0x000000000496E000-memory.dmp

Filesize
312KB

Download
memory/2996-14-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/2996-9-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/2996-10-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/2996-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-16-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/2996-20-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/2996-11-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/2996-8-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download