orcus | 8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9

Analysis

max time kernel
129s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 01:07

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General

Target

8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe
Size

3.0MB
MD5

63b97c1f234481feb39c12108cf95a6c
SHA1

dbdd351046ef9a2fef1e311dc6abdea1f8136414
SHA256

8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9
SHA512

f2e80ff5a210c00fe1dfabe8c5c77affee3aa191d57feff0ecb715a1b51898673fd95ee9d12676bb9ddb111bdc9f0b5c974edb8466b7982640bd9a533dd007b5
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

31.44.184.52:24706

Mutex

sudo_9ujfjqyd5oihliwxnmlbee3o45i48x9b

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\defaultto\windowslocal.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.exe

Signatures

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

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023bee-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1284-1-0x0000000000620000-0x000000000091E000-memory.dmp	orcus
behavioral2/files/0x0008000000023bee-13.dat	orcus

Checks computer location settings 2 TTPs 1 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe

Executes dropped EXE 6 IoCs

pid	Process
4808	windowslocal.exe
4704	windowslocal.exe
4400	windowslocal.exe
468	windowslocal.exe
4996	windowslocal.exe
1924	windowslocal.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 4100	4808	windowslocal.exe	86
PID 4704 set thread context of 1248	4704	windowslocal.exe	89
PID 4400 set thread context of 3500	4400	windowslocal.exe	92

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 10 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	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowslocal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowslocal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowslocal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowslocal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowslocal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windowslocal.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1284	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe
4808	windowslocal.exe
4808	windowslocal.exe
4808	windowslocal.exe
4808	windowslocal.exe
4704	windowslocal.exe
4704	windowslocal.exe
4704	windowslocal.exe
4704	windowslocal.exe
4400	windowslocal.exe
4400	windowslocal.exe
4400	windowslocal.exe
4400	windowslocal.exe
4100	regasm.exe
4100	regasm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe
Token: SeDebugPrivilege	4808	windowslocal.exe
Token: SeDebugPrivilege	4704	windowslocal.exe
Token: SeDebugPrivilege	4400	windowslocal.exe
Token: SeDebugPrivilege	4100	regasm.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4808	1284	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe	83
PID 1284 wrote to memory of 4808	1284	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe	83
PID 1284 wrote to memory of 4808	1284	8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe	83
PID 4808 wrote to memory of 1980	4808	windowslocal.exe	85
PID 4808 wrote to memory of 1980	4808	windowslocal.exe	85
PID 4808 wrote to memory of 1980	4808	windowslocal.exe	85
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4808 wrote to memory of 4100	4808	windowslocal.exe	86
PID 4704 wrote to memory of 2180	4704	windowslocal.exe	88
PID 4704 wrote to memory of 2180	4704	windowslocal.exe	88
PID 4704 wrote to memory of 2180	4704	windowslocal.exe	88
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4704 wrote to memory of 1248	4704	windowslocal.exe	89
PID 4400 wrote to memory of 3928	4400	windowslocal.exe	91
PID 4400 wrote to memory of 3928	4400	windowslocal.exe	91
PID 4400 wrote to memory of 3928	4400	windowslocal.exe	91
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92
PID 4400 wrote to memory of 3500	4400	windowslocal.exe	92

C:\Users\Admin\AppData\Local\Temp\8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe
"C:\Users\Admin\AppData\Local\Temp\8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
  "C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:1980
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4100

C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2180
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1248

C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:3928
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3500

C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:468

C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4996

C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windowslocal.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\defaultto\windowslocal.exe

Filesize
3.0MB

MD5
63b97c1f234481feb39c12108cf95a6c

SHA1
dbdd351046ef9a2fef1e311dc6abdea1f8136414

SHA256
8f10f663aa1b1b6c55154a8fddc0405a52a48eee8db143eba2172451f5d60da9

SHA512
f2e80ff5a210c00fe1dfabe8c5c77affee3aa191d57feff0ecb715a1b51898673fd95ee9d12676bb9ddb111bdc9f0b5c974edb8466b7982640bd9a533dd007b5

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1284-1-0x0000000000620000-0x000000000091E000-memory.dmp

Filesize
3.0MB

Download
memory/1284-2-0x0000000002DB0000-0x0000000002DBE000-memory.dmp

Filesize
56KB

Download
memory/1284-3-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1284-4-0x00000000054F0000-0x000000000554C000-memory.dmp

Filesize
368KB

Download
memory/1284-5-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/1284-6-0x00000000056E0000-0x0000000005772000-memory.dmp

Filesize
584KB

Download
memory/1284-7-0x00000000056C0000-0x00000000056D2000-memory.dmp

Filesize
72KB

Download
memory/1284-23-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1284-0-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/4100-46-0x00000000074C0000-0x0000000007526000-memory.dmp

Filesize
408KB

Download
memory/4100-51-0x0000000007670000-0x00000000076BC000-memory.dmp

Filesize
304KB

Download
memory/4100-56-0x00000000085D0000-0x0000000008620000-memory.dmp

Filesize
320KB

Download
memory/4100-55-0x00000000079D0000-0x00000000079DE000-memory.dmp

Filesize
56KB

Download
memory/4100-54-0x0000000008170000-0x0000000008332000-memory.dmp

Filesize
1.8MB

Download
memory/4100-53-0x0000000007800000-0x000000000790A000-memory.dmp

Filesize
1.0MB

Download
memory/4100-50-0x0000000007630000-0x000000000766C000-memory.dmp

Filesize
240KB

Download
memory/4100-49-0x00000000075D0000-0x00000000075E2000-memory.dmp

Filesize
72KB

Download
memory/4100-48-0x0000000007B50000-0x0000000008168000-memory.dmp

Filesize
6.1MB

Download
memory/4100-41-0x0000000005F60000-0x0000000005F78000-memory.dmp

Filesize
96KB

Download
memory/4100-42-0x0000000005F90000-0x0000000005FA0000-memory.dmp

Filesize
64KB

Download
memory/4100-43-0x0000000006C20000-0x0000000006C2A000-memory.dmp

Filesize
40KB

Download
memory/4400-38-0x0000000005E10000-0x0000000005E22000-memory.dmp

Filesize
72KB

Download
memory/4704-37-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4704-30-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4808-24-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4808-25-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4808-26-0x0000000005C10000-0x0000000005C22000-memory.dmp

Filesize
72KB

Download
memory/4808-33-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4808-29-0x0000000006BF0000-0x0000000006C8C000-memory.dmp

Filesize
624KB

Download
memory/4808-27-0x00000000062A0000-0x00000000062EE000-memory.dmp

Filesize
312KB

Download