orcus | 3360c8f07e4ce26cb16bbc656980f531dc60e6ea328bbcf2beaca78d977d7e89

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 14:46

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General

Target

c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
Size

1.2MB
MD5

c33762fe5120bcdcfdb56c4a0d8126e2
SHA1

61c60c3bbbcc2cf193ac9fff49e597bf434ae411
SHA256

3360c8f07e4ce26cb16bbc656980f531dc60e6ea328bbcf2beaca78d977d7e89
SHA512

6b02d024b71e21f3448cc5e9cd7e3b056766fb1571c64f4957986dedb3822bb926ed2a2403ba37ead24f9205af95fb6acdfee7eb895e2d7485a36fc5ad6fbd9c
SSDEEP

24576:88YIIIIf1OOoPIz+sSvJ+moGlpzCwYuO61TlLdT40DLK/k5aBwO:8yPIG9oGZW

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

81.92.202.149

Mutex

2c31f355cfb24cada19a7e48f314db0a

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
01/17/2018 11:21:17
plugins
AgEAAA==
reconnect_delay
10000
registry_autostart_keyname
Audio HD Driver
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

Executes dropped EXE 2 IoCs

pid	Process
3000	AudioDriver.exe
2496	AudioDriver.exe

Loads dropped DLL 2 IoCs

pid	Process
2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
3000	AudioDriver.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 3000 set thread context of 2496	3000	AudioDriver.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 4 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	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe
2496	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
Token: SeDebugPrivilege	3000	AudioDriver.exe
Token: SeDebugPrivilege	2496	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2496	AudioDriver.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2568	2604	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	30
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 2568 wrote to memory of 3000	2568	c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe	31
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32
PID 3000 wrote to memory of 2496	3000	AudioDriver.exe	32

C:\Users\Admin\AppData\Local\Temp\c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c33762fe5120bcdcfdb56c4a0d8126e2_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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 use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3000
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

Filesize
1.2MB

MD5
c33762fe5120bcdcfdb56c4a0d8126e2

SHA1
61c60c3bbbcc2cf193ac9fff49e597bf434ae411

SHA256
3360c8f07e4ce26cb16bbc656980f531dc60e6ea328bbcf2beaca78d977d7e89

SHA512
6b02d024b71e21f3448cc5e9cd7e3b056766fb1571c64f4957986dedb3822bb926ed2a2403ba37ead24f9205af95fb6acdfee7eb895e2d7485a36fc5ad6fbd9c

Download Submit
memory/2496-24-0x0000000000090000-0x0000000000168000-memory.dmp

Filesize
864KB

Download
memory/2496-28-0x0000000000090000-0x0000000000168000-memory.dmp

Filesize
864KB

Download
memory/2496-31-0x0000000000090000-0x0000000000168000-memory.dmp

Filesize
864KB

Download
memory/2568-10-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2568-6-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2568-8-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2568-11-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2568-9-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2568-4-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2568-21-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-0-0x0000000074CD1000-0x0000000074CD2000-memory.dmp

Filesize
4KB

Download
memory/2604-12-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-3-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-2-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-1-0x0000000074CD0000-0x000000007527B000-memory.dmp

Filesize
5.7MB

Download