e3d3504353950b43b5333d5d94f11c30344f1fda99c3124d4da9e180924c650e

Analysis

max time kernel
69s
max time network
68s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
26/02/2025, 00:06

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General

Target

orcus.zip
Size

66.2MB
MD5

8f0896b3f721bc8171a8b5ad5a121a8a
SHA1

47ab43fe14e4afd89b879f3792ed039cbe2016d4
SHA256

e3d3504353950b43b5333d5d94f11c30344f1fda99c3124d4da9e180924c650e
SHA512

cc2c59ee1a893a21bc60964adb9a54a6487edf1a7b8a308ad0ecc4702a4040736e54ee351d68fb6609f5737b03c3aa58984b6ff5fe155930c0027a9b41c61932
SSDEEP

1572864:UIGvICVVrhkz42qymh/PDN88nnd5mmEkC9/U4d8RzqS9B:UIGvPhE4Em/RXnndUmEkC9MI8lN9B

Score

3^/10

discovery

Malware Config

Signatures

Program crash 3 IoCs

pid	pid_target	Process	procid_target
5664	6120	WerFault.exe	102
5160	1152	WerFault.exe	107
1792	4360	WerFault.exe	110

System Location Discovery: System Language Discovery 1 TTPs 3 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	Orcus.Administration.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.Administration.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.Administration.exe

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\orcus.zip
1⤵
PID:4436

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4880

C:\Users\Admin\Desktop\orcus\orcus\Orcus.Administration.exe
"C:\Users\Admin\Desktop\orcus\orcus\Orcus.Administration.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:6120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 6120 -s 888
  2⤵
  - Program crash
  PID:5664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 6120 -ip 6120
1⤵
PID:4120

C:\Users\Admin\Desktop\orcus\orcus\Orcus.Administration.exe
"C:\Users\Admin\Desktop\orcus\orcus\Orcus.Administration.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 852
  2⤵
  - Program crash
  PID:5160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1152 -ip 1152
1⤵
PID:4540

C:\Users\Admin\Desktop\orcus\orcus\Orcus.Administration.exe
"C:\Users\Admin\Desktop\orcus\orcus\Orcus.Administration.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 852
  2⤵
  - Program crash
  PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4360 -ip 4360
1⤵
PID:1880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1152-2-0x00000000752A0000-0x000000007534B000-memory.dmp

Filesize
684KB

Download
memory/1152-3-0x00000000752A0000-0x000000007534B000-memory.dmp

Filesize
684KB

Download
memory/6120-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/6120-1-0x0000000000AF0000-0x0000000000EE6000-memory.dmp

Filesize
4.0MB

Download