orcus | 8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 01:01

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General

Target

8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
Size

3.0MB
MD5

dcc9d3e0c20da2dca991fb356f470c78
SHA1

b48107835894784a0e5fb6fd2bce0923decc77e9
SHA256

8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29
SHA512

11fb0de367ca1390b532742dde43cacc60a2847f72acbf6e12e470eef76790a2914239c381bb279efc337fc713a5d962a2473310d493ed36583f160a574dfb17
SSDEEP

49152:xzt1ZeM9/3EgHcyH4Z9fVTB4krLzS+HAypQxbOqUo9JnCm2xIP3GnlFreInnczWC:xztGjzD5rfLgypSbKo9JCm/Pz

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

cidsfuckerminecraft.serveminecraft.net:3306

Mutex

dd8c7681cdfd49cd9e9ce006ba4a5567

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\Edge\Explorer.exe
reconnect_delay
10000
registry_keyname
Edge Update Service
taskscheduler_taskname
Edge Update Service
watchdog_path
Temp\Edge Update.exe

Signatures

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

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4648-1-0x000002309BFF0000-0x000002309C2FC000-memory.dmp	orcus
behavioral2/files/0x000a000000023b60-37.dat	orcus

Checks computer location settings 2 TTPs 3 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Edge Update.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Explorer.exe

Executes dropped EXE 5 IoCs

pid	Process
2768	WindowsInput.exe
4448	WindowsInput.exe
856	Explorer.exe
2500	Edge Update.exe
2784	Edge Update.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Edge\Explorer.exe	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
File opened for modification	C:\Program Files\Edge\Explorer.exe	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
File created	C:\Program Files\Edge\Explorer.exe.config	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe

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 2 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	Edge Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Edge Update.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
856	Explorer.exe
856	Explorer.exe
2784	Edge Update.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe
856	Explorer.exe
2784	Edge Update.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	Explorer.exe
Token: SeDebugPrivilege	2500	Edge Update.exe
Token: SeDebugPrivilege	2784	Edge Update.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 2768	4648	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe	82
PID 4648 wrote to memory of 2768	4648	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe	82
PID 4648 wrote to memory of 856	4648	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe	84
PID 4648 wrote to memory of 856	4648	8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe	84
PID 856 wrote to memory of 2500	856	Explorer.exe	85
PID 856 wrote to memory of 2500	856	Explorer.exe	85
PID 856 wrote to memory of 2500	856	Explorer.exe	85
PID 2500 wrote to memory of 2784	2500	Edge Update.exe	86
PID 2500 wrote to memory of 2784	2500	Edge Update.exe	86
PID 2500 wrote to memory of 2784	2500	Edge Update.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe
"C:\Users\Admin\AppData\Local\Temp\8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2768
- C:\Program Files\Edge\Explorer.exe
  "C:\Program Files\Edge\Explorer.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Users\Admin\AppData\Local\Temp\Edge Update.exe
    "C:\Users\Admin\AppData\Local\Temp\Edge Update.exe" /launchSelfAndExit "C:\Program Files\Edge\Explorer.exe" 856 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - C:\Users\Admin\AppData\Local\Temp\Edge Update.exe
      "C:\Users\Admin\AppData\Local\Temp\Edge Update.exe" /watchProcess "C:\Program Files\Edge\Explorer.exe" 856 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2784

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:4448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

C:\Program Files\Edge\Explorer.exe

Filesize
3.0MB

MD5
dcc9d3e0c20da2dca991fb356f470c78

SHA1
b48107835894784a0e5fb6fd2bce0923decc77e9

SHA256
8d034dca8a82224fd0d62ac8ec40a7726333343047cf7b9cc67f77594f352f29

SHA512
11fb0de367ca1390b532742dde43cacc60a2847f72acbf6e12e470eef76790a2914239c381bb279efc337fc713a5d962a2473310d493ed36583f160a574dfb17

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

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Edge Update.exe

Filesize
9KB

MD5
7796236d80b9e55f9571418e05a9578b

SHA1
14039d2800ca54c49c817b1fa35bdf45024ceab7

SHA256
02ea168ca6eb5b6211d7525ada5e100323d41155620ca40a149038b61fdb6cc5

SHA512
604b70f61bc0d8348b05921d46ce8aaa411a46ffa82ae516b4ba5e4df66759712e71bed77971a7c501e97b5f5d8a22440a29837fa7ce8e0a55ed5ee811e32cd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Edge Update.exe.config

Filesize
157B

MD5
7efa291047eb1202fde7765adac4b00d

SHA1
22d4846caff5e45c18e50738360579fbbed2aa8d

SHA256
807fb6eeaa7c77bf53831d8a4422a53a5d8ccd90e6bbc17c655c0817460407b6

SHA512
159c95eb1e817ba2d281f39c3939dd963ab62c0cd29bf66ca3beb0aff53f4617d47f48474e58319130ae4146a044a42fc75f63c343330c1b6d2be7034b9fa724

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
20e49432591aeca9939d49f7e31d0ed5

SHA1
4fc0011186fd5b88620c503d42a3c62000a3b7fd

SHA256
7100036177c61bd0e5ecf14e70bb9803f75b2807b076974995dfa1175d2006c9

SHA512
37b23b5bb7f93e46fcc22d86c5fa1890e8db0b1683515aa2e22d03ce80e7ee0e8fcaad2de695582f2c4adee2e338d447a6be343ee04f0717482c746c07fd0afd

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
349B

MD5
89817519e9e0b4e703f07e8c55247861

SHA1
4636de1f6c997a25c3190f73f46a3fd056238d78

SHA256
f40dfaa50dcbff93611d45607009158f798e9cd845170939b1d6088a7d10ee13

SHA512
b017cb7a522b9c6794f3691cb7266ec82f565a90d7d07cc9beb53b939d2e9bf34275bc25f6f32d9a9c7136a0aab2189d9556af7244450c610d11ed7a4f584ba3

Download Submit
memory/856-49-0x0000028954FA0000-0x0000028954FB8000-memory.dmp

Filesize
96KB

Download
memory/856-48-0x0000028954F40000-0x0000028954F98000-memory.dmp

Filesize
352KB

Download
memory/856-70-0x0000028957600000-0x00000289577C2000-memory.dmp

Filesize
1.8MB

Download
memory/856-50-0x000002893C750000-0x000002893C760000-memory.dmp

Filesize
64KB

Download
memory/2500-66-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/2768-24-0x000001D178AC0000-0x000001D178AFC000-memory.dmp

Filesize
240KB

Download
memory/2768-26-0x00007FFF6B500000-0x00007FFF6BFC1000-memory.dmp

Filesize
10.8MB

Download
memory/2768-29-0x00007FFF6B500000-0x00007FFF6BFC1000-memory.dmp

Filesize
10.8MB

Download
memory/2768-21-0x000001D1766D0000-0x000001D1766DC000-memory.dmp

Filesize
48KB

Download
memory/2768-22-0x00007FFF6B500000-0x00007FFF6BFC1000-memory.dmp

Filesize
10.8MB

Download
memory/2768-23-0x000001D176AB0000-0x000001D176AC2000-memory.dmp

Filesize
72KB

Download
memory/4448-31-0x0000023EFBFE0000-0x0000023EFC0EA000-memory.dmp

Filesize
1.0MB

Download
memory/4648-0-0x00007FFF6B503000-0x00007FFF6B505000-memory.dmp

Filesize
8KB

Download
memory/4648-5-0x000002309E000000-0x000002309E012000-memory.dmp

Filesize
72KB

Download
memory/4648-2-0x00000230B6850000-0x00000230B68AC000-memory.dmp

Filesize
368KB

Download
memory/4648-3-0x000002309C6F0000-0x000002309C6FE000-memory.dmp

Filesize
56KB

Download
memory/4648-47-0x00007FFF6B500000-0x00007FFF6BFC1000-memory.dmp

Filesize
10.8MB

Download
memory/4648-1-0x000002309BFF0000-0x000002309C2FC000-memory.dmp

Filesize
3.0MB

Download
memory/4648-4-0x00007FFF6B500000-0x00007FFF6BFC1000-memory.dmp

Filesize
10.8MB

Download