orcus | f9ceb47834651e67fc99d1ca578bc6a72373ec281ca9e5b678e86a879b0da4a4

Resubmissions

13-11-2024 08:48

241113-kqly5ayfmm 10

13-11-2024 08:46

241113-kpsqaa1rfr 10

Analysis

max time kernel
34s
max time network
37s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 08:46

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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
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
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

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	yef.exe

Executes dropped EXE 4 IoCs

pid	Process
3624	AudioDriver.exe
4340	AudioDriver.exe
3680	AudioDriver.exe
212	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
212	AudioDriver.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3244	powershell.exe
668	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4608 set thread context of 3452	4608	yef.exe	87
PID 3624 set thread context of 212	3624	AudioDriver.exe	94

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

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
3244	powershell.exe
3244	powershell.exe
3624	AudioDriver.exe
3624	AudioDriver.exe
3624	AudioDriver.exe
3624	AudioDriver.exe
668	powershell.exe
212	AudioDriver.exe
212	AudioDriver.exe
212	AudioDriver.exe
668	powershell.exe
212	AudioDriver.exe
212	AudioDriver.exe
212	AudioDriver.exe
212	AudioDriver.exe
212	AudioDriver.exe
212	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3244	powershell.exe
Token: SeDebugPrivilege	3624	AudioDriver.exe
Token: SeDebugPrivilege	668	powershell.exe
Token: SeDebugPrivilege	212	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
212	AudioDriver.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 3244	4608	yef.exe	85
PID 4608 wrote to memory of 3244	4608	yef.exe	85
PID 4608 wrote to memory of 3244	4608	yef.exe	85
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 4608 wrote to memory of 3452	4608	yef.exe	87
PID 3452 wrote to memory of 3624	3452	yef.exe	88
PID 3452 wrote to memory of 3624	3452	yef.exe	88
PID 3452 wrote to memory of 3624	3452	yef.exe	88
PID 3624 wrote to memory of 668	3624	AudioDriver.exe	89
PID 3624 wrote to memory of 668	3624	AudioDriver.exe	89
PID 3624 wrote to memory of 668	3624	AudioDriver.exe	89
PID 3624 wrote to memory of 4340	3624	AudioDriver.exe	92
PID 3624 wrote to memory of 4340	3624	AudioDriver.exe	92
PID 3624 wrote to memory of 4340	3624	AudioDriver.exe	92
PID 3624 wrote to memory of 3680	3624	AudioDriver.exe	93
PID 3624 wrote to memory of 3680	3624	AudioDriver.exe	93
PID 3624 wrote to memory of 3680	3624	AudioDriver.exe	93
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94
PID 3624 wrote to memory of 212	3624	AudioDriver.exe	94

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 use of WriteProcessMemory
PID:4608
- 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:3244
- C:\Users\Admin\AppData\Local\Temp\yef.exe
  #cmd
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3452
- - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
    3⤵
    - 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:3624
  - - 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:668
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      #cmd
      4⤵
      Executes dropped EXE
      PID:4340
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      #cmd
      4⤵
      Executes dropped EXE
      PID:3680
  - - 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:212

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
fb1df442f2cee34456c6ed9064318559

SHA1
729e8f61f181b303d25e1f709399db242d82c6c2

SHA256
75207b26127c0778928b2c0ce51d371a1b4f5a4c47596902f88dbff9ddd16a79

SHA512
d6df1b8e17733d65ae332d20a22fcbc2cdec8df38a705b694b4d87b2f0c9c287378791c3da2cb2142e95f31df1b4209e01a17a83eabfcb2175f38a9207ad0294

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\yef.exe.log

Filesize
321B

MD5
baf5d1398fdb79e947b60fe51e45397f

SHA1
49e7b8389f47b93509d621b8030b75e96bb577af

SHA256
10c8c7b5fa58f8c6b69f44e92a4e2af111b59fcf4f21a07e04b19e14876ccdf8

SHA512
b2c9ef5581d5eae7c17ae260fe9f52344ed737fa851cb44d1cea58a32359d0ac5d0ca3099c970209bd30a0d4af6e504101f21b7054cf5eca91c0831cf12fb413

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
d46db50f2af614023ab1167a03479c48

SHA1
9da855378a77a4b4c73dbb5e1edab5c36a3ba36c

SHA256
38c2fedf6a94c82552be3169e62da9767604e0bcdaf3b40ddc507d527b17f739

SHA512
2fe4a40b87143c09e74710adf67661a0a2b05aa87a0f94fb06fbde1904997bc807a5dc0a8a78c06f6915c2ce7c35842b30c1b4c0461f81e4fd073ab0be881c74

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_khjzseo2.bh4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
626KB

MD5
d8aec01ff14e3e7ad43a4b71e30482e4

SHA1
e3015f56f17d845ec7eef11d41bbbc28cc16d096

SHA256
da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

SHA512
f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

Filesize
1.2MB

MD5
58991bbcf8a974e128ba64f3bcb31e6e

SHA1
645a5096283c1f0b63ff07f3927534e44804114d

SHA256
d05f328df78420b8d97cb7205cccee30617ebeff333ac8d5ed32f6da69563baa

SHA512
76c35a2b6b787ded9c049b189b8844019720f47c0f2e07ced1c9b9b7622382d50062770f222ad1a0a626e66498be3d3e6cc22ca9c7fbf72d3b29b7f59e881eb6

Download Submit
memory/212-117-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/212-77-0x0000000006420000-0x000000000642A000-memory.dmp

Filesize
40KB

Download
memory/212-69-0x0000000005730000-0x0000000005740000-memory.dmp

Filesize
64KB

Download
memory/212-68-0x0000000005D80000-0x0000000005F42000-memory.dmp

Filesize
1.8MB

Download
memory/668-94-0x0000000070D20000-0x0000000070D6C000-memory.dmp

Filesize
304KB

Download
memory/3244-39-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

Filesize
304KB

Download
memory/3244-15-0x0000000004FC0000-0x0000000005026000-memory.dmp

Filesize
408KB

Download
memory/3244-13-0x0000000004D00000-0x0000000004D22000-memory.dmp

Filesize
136KB

Download
memory/3244-16-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3244-116-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3244-4-0x0000000002480000-0x00000000024B6000-memory.dmp

Filesize
216KB

Download
memory/3244-110-0x0000000007430000-0x0000000007452000-memory.dmp

Filesize
136KB

Download
memory/3244-109-0x00000000073F0000-0x00000000073F8000-memory.dmp

Filesize
32KB

Download
memory/3244-108-0x0000000007410000-0x000000000742A000-memory.dmp

Filesize
104KB

Download
memory/3244-36-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3244-107-0x0000000007310000-0x0000000007324000-memory.dmp

Filesize
80KB

Download
memory/3244-14-0x0000000004EA0000-0x0000000004F06000-memory.dmp

Filesize
408KB

Download
memory/3244-24-0x0000000005890000-0x0000000005BE4000-memory.dmp

Filesize
3.3MB

Download
memory/3244-78-0x0000000006D60000-0x0000000006D92000-memory.dmp

Filesize
200KB

Download
memory/3244-106-0x0000000007300000-0x000000000730E000-memory.dmp

Filesize
56KB

Download
memory/3244-38-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

Filesize
120KB

Download
memory/3244-105-0x00000000072D0000-0x00000000072E1000-memory.dmp

Filesize
68KB

Download
memory/3244-5-0x0000000005260000-0x0000000005888000-memory.dmp

Filesize
6.2MB

Download
memory/3244-95-0x0000000007350000-0x00000000073E6000-memory.dmp

Filesize
600KB

Download
memory/3244-93-0x0000000007140000-0x000000000714A000-memory.dmp

Filesize
40KB

Download
memory/3244-91-0x0000000007720000-0x0000000007D9A000-memory.dmp

Filesize
6.5MB

Download
memory/3244-92-0x00000000070D0000-0x00000000070EA000-memory.dmp

Filesize
104KB

Download
memory/3244-11-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3244-89-0x0000000006380000-0x000000000639E000-memory.dmp

Filesize
120KB

Download
memory/3244-90-0x0000000006DA0000-0x0000000006E43000-memory.dmp

Filesize
652KB

Download
memory/3244-79-0x0000000070D20000-0x0000000070D6C000-memory.dmp

Filesize
304KB

Download
memory/3452-26-0x0000000005960000-0x0000000005968000-memory.dmp

Filesize
32KB

Download
memory/3452-37-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3452-22-0x0000000005990000-0x0000000005A22000-memory.dmp

Filesize
584KB

Download
memory/3452-6-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/3452-50-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3452-12-0x0000000002E20000-0x0000000002E2A000-memory.dmp

Filesize
40KB

Download
memory/3452-23-0x00000000058F0000-0x000000000593C000-memory.dmp

Filesize
304KB

Download
memory/3452-25-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3452-27-0x0000000005980000-0x0000000005988000-memory.dmp

Filesize
32KB

Download
memory/3452-35-0x0000000005B10000-0x0000000005B5E000-memory.dmp

Filesize
312KB

Download
memory/3452-28-0x0000000005A30000-0x0000000005AE8000-memory.dmp

Filesize
736KB

Download
memory/4608-8-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4608-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

Filesize
4KB

Download
memory/4608-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/4608-10-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/4608-1-0x0000000000EE0000-0x0000000001016000-memory.dmp

Filesize
1.2MB

Download