orcus | 65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25

Analysis

max time kernel
1s
max time network
160s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-06-2024 01:35

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General

Target

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
Size

910KB
MD5

c8bafcd4b39e5dc2776046134a2adaa4
SHA1

0ee1d413e568575eaa12f13cf7745c6c5cb3195b
SHA256

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25
SHA512

9b410d05fe3fec2e403daf3f3de6c448896f6485002779b6d0b52baa759c27062ac435a6af4e89fc35075ef65e427a5b55d79785e37e0c5d70453202ca9a68ce
SSDEEP

24576:lam4MROxnFrYurWrrcI0AilFEvxHPyEooP:lOMijWrrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

77.232.132.25:10111

Mutex

ae5c58dd87ee40dbaebadd5cfbc3eb84

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcurs Rat Executable 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1836-1-0x0000000000360000-0x000000000044A000-memory.dmp orcus
Executes dropped EXE 2 IoCs

Processes:

WindowsInput.exeWindowsInput.exe

pid process

2912 WindowsInput.exe
2584 WindowsInput.exe
Loads dropped DLL 1 IoCs

Processes:

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

pid process

1836 65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

resource	yara_rule
behavioral1/memory/1836-1-0x0000000000360000-0x000000000044A000-memory.dmp	orcus

pid	process
2912	WindowsInput.exe
2584	WindowsInput.exe

pid	process
1836	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

Drops file in System32 directory 3 IoCs

Processes:

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exeWindowsInput.exe

description	ioc	process
File created	C:\Windows\SysWOW64\WindowsInput.exe	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

description	pid	process	target process
PID 1836 wrote to memory of 2912	1836	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe	WindowsInput.exe
PID 1836 wrote to memory of 2912	1836	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe	WindowsInput.exe
PID 1836 wrote to memory of 2912	1836	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe	WindowsInput.exe
PID 1836 wrote to memory of 2912	1836	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe	WindowsInput.exe

C:\Users\Admin\AppData\Local\Temp\65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
"C:\Users\Admin\AppData\Local\Temp\65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2912

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2584

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\WindowsInput.exe
Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config
Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1836-3-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/1836-4-0x0000000002140000-0x000000000219C000-memory.dmp

Filesize
368KB

Download
memory/1836-2-0x00000000001F0000-0x00000000001FE000-memory.dmp

Filesize
56KB

Download
memory/1836-5-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download
memory/1836-22-0x0000000000900000-0x0000000000918000-memory.dmp

Filesize
96KB

Download
memory/1836-42-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/1836-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/1836-1-0x0000000000360000-0x000000000044A000-memory.dmp

Filesize
936KB

Download
memory/1836-41-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/1836-23-0x00000000042C0000-0x00000000042D0000-memory.dmp

Filesize
64KB

Download
memory/2584-21-0x0000000000290000-0x000000000029C000-memory.dmp

Filesize
48KB

Download
memory/2912-15-0x0000000000FE0000-0x0000000000FEC000-memory.dmp

Filesize
48KB

Download
memory/2912-19-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/2912-16-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/2912-13-0x000007FEF57D3000-0x000007FEF57D4000-memory.dmp

Filesize
4KB

Download