orcus | 90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea

Analysis

max time kernel
129s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 01:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe
Size

3.4MB
MD5

0f9f82607781767d36bb032b09260847
SHA1

92996f91d7ed53466dd3edc6c543d5b1b9e8c1cf
SHA256

90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea
SHA512

033bd502642c0f0fb89e8399aee7ca5027cb5a19530ca9f88b9594e7404faec78b7a3eaeced5cf2ff4fa5ae5c74da148cbbacabc657f9b6f70bfe073e63e6123
SSDEEP

49152:5GX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qbq:5LHTPJg8z1mKnypSbRxo9JCmD

Score

10^/10

orcus nursultan credential_access discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Nursultan

31.44.184.52:54370

Mutex

sudo_jdu3yd4dgo4y8e1pp6azrvrqmxk9e5mb

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\linecdnimage\secureuploads.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 main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002344a-13.dat	family_orcus

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/5056-1-0x0000000000F60000-0x00000000012C8000-memory.dmp	orcus
behavioral2/files/0x000700000002344a-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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe

Executes dropped EXE 5 IoCs

pid	Process
3464	secureuploads.exe
3896	secureuploads.exe
1716	secureuploads.exe
4552	secureuploads.exe
4356	secureuploads.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3464 set thread context of 1528	3464	secureuploads.exe	91
PID 3896 set thread context of 1100	3896	secureuploads.exe	96

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 8 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	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	secureuploads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	secureuploads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	secureuploads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	secureuploads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	secureuploads.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
5056	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe
3464	secureuploads.exe
3464	secureuploads.exe
3464	secureuploads.exe
3464	secureuploads.exe
3464	secureuploads.exe
3464	secureuploads.exe
3896	secureuploads.exe
3896	secureuploads.exe
3896	secureuploads.exe
3896	secureuploads.exe
1528	caspol.exe
1528	caspol.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5056	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe
Token: SeDebugPrivilege	3464	secureuploads.exe
Token: SeDebugPrivilege	3896	secureuploads.exe
Token: SeDebugPrivilege	1528	caspol.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3464	5056	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe	87
PID 5056 wrote to memory of 3464	5056	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe	87
PID 5056 wrote to memory of 3464	5056	90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe	87
PID 3464 wrote to memory of 4800	3464	secureuploads.exe	89
PID 3464 wrote to memory of 4800	3464	secureuploads.exe	89
PID 3464 wrote to memory of 4800	3464	secureuploads.exe	89
PID 3464 wrote to memory of 4832	3464	secureuploads.exe	90
PID 3464 wrote to memory of 4832	3464	secureuploads.exe	90
PID 3464 wrote to memory of 4832	3464	secureuploads.exe	90
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3464 wrote to memory of 1528	3464	secureuploads.exe	91
PID 3896 wrote to memory of 3208	3896	secureuploads.exe	95
PID 3896 wrote to memory of 3208	3896	secureuploads.exe	95
PID 3896 wrote to memory of 3208	3896	secureuploads.exe	95
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96
PID 3896 wrote to memory of 1100	3896	secureuploads.exe	96

C:\Users\Admin\AppData\Local\Temp\90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe
"C:\Users\Admin\AppData\Local\Temp\90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
  "C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.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:3464
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:4800
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:4832
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1528

C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.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:3896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:3208
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1100

C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1716

C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4552

C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4356

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\linecdnimage\secureuploads.exe

Filesize
3.4MB

MD5
0f9f82607781767d36bb032b09260847

SHA1
92996f91d7ed53466dd3edc6c543d5b1b9e8c1cf

SHA256
90fb58399388db6e22f44e41a7c2d25e61f7ae9565b8a1b775e10a3dee0fb7ea

SHA512
033bd502642c0f0fb89e8399aee7ca5027cb5a19530ca9f88b9594e7404faec78b7a3eaeced5cf2ff4fa5ae5c74da148cbbacabc657f9b6f70bfe073e63e6123

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1528-49-0x0000000008240000-0x0000000008402000-memory.dmp

Filesize
1.8MB

Download
memory/1528-48-0x00000000078D0000-0x00000000079DA000-memory.dmp

Filesize
1.0MB

Download
memory/1528-46-0x0000000007740000-0x000000000778C000-memory.dmp

Filesize
304KB

Download
memory/1528-45-0x0000000007700000-0x000000000773C000-memory.dmp

Filesize
240KB

Download
memory/1528-44-0x00000000076A0000-0x00000000076B2000-memory.dmp

Filesize
72KB

Download
memory/1528-50-0x00000000078C0000-0x00000000078CE000-memory.dmp

Filesize
56KB

Download
memory/1528-51-0x00000000087C0000-0x0000000008810000-memory.dmp

Filesize
320KB

Download
memory/1528-43-0x0000000007C20000-0x0000000008238000-memory.dmp

Filesize
6.1MB

Download
memory/1528-42-0x0000000007590000-0x00000000075F6000-memory.dmp

Filesize
408KB

Download
memory/1528-39-0x0000000006CF0000-0x0000000006CFA000-memory.dmp

Filesize
40KB

Download
memory/1528-38-0x00000000060C0000-0x00000000060D0000-memory.dmp

Filesize
64KB

Download
memory/1528-37-0x0000000006030000-0x0000000006048000-memory.dmp

Filesize
96KB

Download
memory/3464-28-0x0000000005F00000-0x0000000005F9C000-memory.dmp

Filesize
624KB

Download
memory/3464-32-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3464-23-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3464-26-0x00000000055C0000-0x000000000560E000-memory.dmp

Filesize
312KB

Download
memory/3464-25-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3896-31-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3896-36-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/5056-24-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/5056-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/5056-7-0x0000000005E60000-0x0000000005E72000-memory.dmp

Filesize
72KB

Download
memory/5056-6-0x0000000006060000-0x00000000060F2000-memory.dmp

Filesize
584KB

Download
memory/5056-5-0x0000000006570000-0x0000000006B14000-memory.dmp

Filesize
5.6MB

Download
memory/5056-4-0x0000000005E80000-0x0000000005EDC000-memory.dmp

Filesize
368KB

Download
memory/5056-3-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/5056-2-0x0000000005BB0000-0x0000000005BBE000-memory.dmp

Filesize
56KB

Download
memory/5056-1-0x0000000000F60000-0x00000000012C8000-memory.dmp

Filesize
3.4MB

Download