orcus | bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 01:08

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General

Target

bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031.exe
Size

3.0MB
MD5

5cc99251e0b8789e36ad013b38c75632
SHA1

7aae31f2e5cf63e7e3a0d926f0f3c186565ebdc6
SHA256

bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031
SHA512

4be001412f90ce660b6e673e3eaf301cffa53a81b4b548d1b322bec976fd2d3a43b101299824c25cba5cd4d761ee5cf8b8940c23433910be11671a27f524bee4
SSDEEP

49152:3gt1ZeM9/3EgHcyH4Z9fVTB4krLzS+HAypQxbOqUo9JnCmuxI3lGnlFreInnczWL:3gtGjzD5rfLgypSbKo9JCmn3E

Score

10^/10

orcus babylon discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Babylon

vimeworldserverstat.serveminecraft.net:443

Mutex

a19e8216786644dc8db8ae5307f5d5be

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%appdata%\Microsoft Edge\UpdateService.exe
reconnect_delay
10000
registry_keyname
Microsoft Edge Update Service
taskscheduler_taskname
Microsoft Edge Update Service
watchdog_path
AppData\EdgeUpdate.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/4856-1-0x000001F52C720000-0x000001F52CA26000-memory.dmp	orcus
behavioral2/files/0x0008000000023c02-13.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	UpdateService.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	EdgeUpdate.exe

Executes dropped EXE 3 IoCs

pid	Process
3984	UpdateService.exe
3912	EdgeUpdate.exe
1392	EdgeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Edge Update Service = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft Edge\\UpdateService.exe\""	UpdateService.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	EdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1392	EdgeUpdate.exe
1392	EdgeUpdate.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
3984	UpdateService.exe
3984	UpdateService.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe
3984	UpdateService.exe
1392	EdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3984	UpdateService.exe
Token: SeDebugPrivilege	3912	EdgeUpdate.exe
Token: SeDebugPrivilege	1392	EdgeUpdate.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3984	4856	bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031.exe	82
PID 4856 wrote to memory of 3984	4856	bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031.exe	82
PID 3984 wrote to memory of 3912	3984	UpdateService.exe	83
PID 3984 wrote to memory of 3912	3984	UpdateService.exe	83
PID 3984 wrote to memory of 3912	3984	UpdateService.exe	83
PID 3912 wrote to memory of 1392	3912	EdgeUpdate.exe	85
PID 3912 wrote to memory of 1392	3912	EdgeUpdate.exe	85
PID 3912 wrote to memory of 1392	3912	EdgeUpdate.exe	85

C:\Users\Admin\AppData\Local\Temp\bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031.exe
"C:\Users\Admin\AppData\Local\Temp\bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Roaming\Microsoft Edge\UpdateService.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft Edge\UpdateService.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3984
- - C:\Users\Admin\AppData\Roaming\EdgeUpdate.exe
    "C:\Users\Admin\AppData\Roaming\EdgeUpdate.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Microsoft Edge\UpdateService.exe" 3984
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3912
  - - C:\Users\Admin\AppData\Roaming\EdgeUpdate.exe
      "C:\Users\Admin\AppData\Roaming\EdgeUpdate.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Microsoft Edge\UpdateService.exe" 3984
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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:\Users\Admin\AppData\Roaming\EdgeUpdate.exe

Filesize
9KB

MD5
7796236d80b9e55f9571418e05a9578b

SHA1
14039d2800ca54c49c817b1fa35bdf45024ceab7

SHA256
02ea168ca6eb5b6211d7525ada5e100323d41155620ca40a149038b61fdb6cc5

SHA512
604b70f61bc0d8348b05921d46ce8aaa411a46ffa82ae516b4ba5e4df66759712e71bed77971a7c501e97b5f5d8a22440a29837fa7ce8e0a55ed5ee811e32cd5

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

Filesize
157B

MD5
7efa291047eb1202fde7765adac4b00d

SHA1
22d4846caff5e45c18e50738360579fbbed2aa8d

SHA256
807fb6eeaa7c77bf53831d8a4422a53a5d8ccd90e6bbc17c655c0817460407b6

SHA512
159c95eb1e817ba2d281f39c3939dd963ab62c0cd29bf66ca3beb0aff53f4617d47f48474e58319130ae4146a044a42fc75f63c343330c1b6d2be7034b9fa724

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft Edge\UpdateService.exe

Filesize
3.0MB

MD5
5cc99251e0b8789e36ad013b38c75632

SHA1
7aae31f2e5cf63e7e3a0d926f0f3c186565ebdc6

SHA256
bb16e46d068bc395bdcb7f3cc338ee03381a102f524316b5935fb5cb4d113031

SHA512
4be001412f90ce660b6e673e3eaf301cffa53a81b4b548d1b322bec976fd2d3a43b101299824c25cba5cd4d761ee5cf8b8940c23433910be11671a27f524bee4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft Edge\UpdateService.exe.config

Filesize
349B

MD5
89817519e9e0b4e703f07e8c55247861

SHA1
4636de1f6c997a25c3190f73f46a3fd056238d78

SHA256
f40dfaa50dcbff93611d45607009158f798e9cd845170939b1d6088a7d10ee13

SHA512
b017cb7a522b9c6794f3691cb7266ec82f565a90d7d07cc9beb53b939d2e9bf34275bc25f6f32d9a9c7136a0aab2189d9556af7244450c610d11ed7a4f584ba3

Download Submit
memory/3912-45-0x00000000006F0000-0x00000000006F8000-memory.dmp

Filesize
32KB

Download
memory/3984-27-0x0000023375250000-0x00000233752A8000-memory.dmp

Filesize
352KB

Download
memory/3984-29-0x000002335C5F0000-0x000002335C600000-memory.dmp

Filesize
64KB

Download
memory/3984-53-0x00007FFC0E1E0000-0x00007FFC0ECA1000-memory.dmp

Filesize
10.8MB

Download
memory/3984-52-0x00007FFC0E1E0000-0x00007FFC0ECA1000-memory.dmp

Filesize
10.8MB

Download
memory/3984-24-0x00007FFC0E1E0000-0x00007FFC0ECA1000-memory.dmp

Filesize
10.8MB

Download
memory/3984-25-0x00007FFC0E1E0000-0x00007FFC0ECA1000-memory.dmp

Filesize
10.8MB

Download
memory/3984-28-0x0000023374E10000-0x0000023374E28000-memory.dmp

Filesize
96KB

Download
memory/3984-51-0x0000023375E50000-0x0000023376012000-memory.dmp

Filesize
1.8MB

Download
memory/3984-26-0x000002335C720000-0x000002335C732000-memory.dmp

Filesize
72KB

Download
memory/3984-50-0x0000023375B70000-0x0000023375C7A000-memory.dmp

Filesize
1.0MB

Download
memory/3984-49-0x0000023375A20000-0x0000023375A5C000-memory.dmp

Filesize
240KB

Download
memory/3984-48-0x00000233759C0000-0x00000233759D2000-memory.dmp

Filesize
72KB

Download
memory/4856-1-0x000001F52C720000-0x000001F52CA26000-memory.dmp

Filesize
3.0MB

Download
memory/4856-2-0x000001F52E770000-0x000001F52E7CC000-memory.dmp

Filesize
368KB

Download
memory/4856-3-0x000001F52CDD0000-0x000001F52CDDE000-memory.dmp

Filesize
56KB

Download
memory/4856-5-0x000001F52CEA0000-0x000001F52CEB2000-memory.dmp

Filesize
72KB

Download
memory/4856-0-0x00007FFC0E1E3000-0x00007FFC0E1E5000-memory.dmp

Filesize
8KB

Download
memory/4856-23-0x00007FFC0E1E0000-0x00007FFC0ECA1000-memory.dmp

Filesize
10.8MB

Download
memory/4856-4-0x00007FFC0E1E0000-0x00007FFC0ECA1000-memory.dmp

Filesize
10.8MB

Download