orcus | a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 18:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe
Size

842KB
MD5

6ed8b8befe2c808932e76058343a2b10
SHA1

3da7ff017767177385acf8938fa7bec98e2e07df
SHA256

a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56
SHA512

685576d27e021576259dab701e5ce7815ace1dae550a99525f68c181eeb3e604d33105fa4ec8c12f192e1340aa2b8c61ed600793fe46e182251ff6b9ffc4929b
SSDEEP

24576:+I4PD3o8uzVfhWfmz1ldP71kYOJPAdW8cRhY:+PP7JuOWdT1kY9dWBY

Score

10^/10

orcus discovery rat spyware stealer upx

Malware Config

Extracted

Family

orcus

192.168.2.4

Mutex

a3607d62eed94a4d8d054d250287d86f

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
11/26/2024 08:35:25
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
Orcus family
orcus

Executes dropped EXE 1 IoCs

Processes:

Image-O‮gpj.scr

pid	Process
2968	Image-O‮gpj.scr

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2100-0-0x000000013F370000-0x000000013F3F4000-memory.dmp	upx
behavioral1/memory/2100-19-0x000000013F370000-0x000000013F3F4000-memory.dmp	upx
behavioral1/memory/2100-21-0x000000013F370000-0x000000013F3F4000-memory.dmp	upx

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 1 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

Processes:

Image-O‮gpj.scr

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Image-O‮gpj.scr

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe

description	pid	Process	procid_target
PID 2100 wrote to memory of 2968	2100	a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe	30
PID 2100 wrote to memory of 2968	2100	a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe	30
PID 2100 wrote to memory of 2968	2100	a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe	30
PID 2100 wrote to memory of 2968	2100	a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe	30

C:\Users\Admin\AppData\Local\Temp\a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe
"C:\Users\Admin\AppData\Local\Temp\a3754fbae8f866e178b5f1158a89eeeb770b23026a11b48e79b90ea62d146c56N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Image-O‮gpj.scr
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Image-O‮gpj.scr" /S
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2968

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Image-O‮gpj.scr

Filesize
855KB

MD5
0c9b9d93b1938108ffe6d2860ae9a32d

SHA1
06891084a5e117b5f8953b336a10cfb149aa9b89

SHA256
ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b

SHA512
f66c7245b411e904d75094e37b488299de992a967b2ba67023bda22b9f34fe4dadbd11b4f344aa55337f41d3565bb4629c5c78ed8b32474eb7764ba4289c5043

Download Submit
memory/2100-0-0x000000013F370000-0x000000013F3F4000-memory.dmp

Filesize
528KB

Download
memory/2100-19-0x000000013F370000-0x000000013F3F4000-memory.dmp

Filesize
528KB

Download
memory/2100-21-0x000000013F370000-0x000000013F3F4000-memory.dmp

Filesize
528KB

Download
memory/2968-13-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2968-14-0x0000000001160000-0x000000000123C000-memory.dmp

Filesize
880KB

Download
memory/2968-15-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/2968-16-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-17-0x0000000000AE0000-0x0000000000B2C000-memory.dmp

Filesize
304KB

Download
memory/2968-18-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download