orcus | 87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c

Analysis

max time kernel
139s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-06-2024 01:16

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General

Target

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe
Size

912KB
MD5

40d323b48e02a159e2902bba5d60d585
SHA1

a7e40602a8172e1f5f501e5400346724a7eb8ca1
SHA256

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c
SHA512

162b6fab5a760a94cead19f1d4b982a187ba08621ba495685a62e858714f1012ab25428e14eba72d82dcfa445a9805c42c52b1352e9ff44bba8579c07e103287
SSDEEP

24576:Dam4MROxnFrFPurerrcI0AilFEvxHPmUFoop:DOMiMerrcI0AilFEvxHPmU

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.1.56:10134

Mutex

e9854b98f65745a89d715a85a4ff1de8

Attributes

autostart_method
Disable
enable_keylogger
true
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/2172-1-0x0000000000930000-0x0000000000A1A000-memory.dmp orcus
Executes dropped EXE 2 IoCs

Processes:

WindowsInput.exeWindowsInput.exe

pid process

2476 WindowsInput.exe
2616 WindowsInput.exe
Loads dropped DLL 1 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid process

2172 87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

resource	yara_rule
behavioral1/memory/2172-1-0x0000000000930000-0x0000000000A1A000-memory.dmp	orcus

pid	process
2476	WindowsInput.exe
2616	WindowsInput.exe

pid	process
2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

Drops file in System32 directory 3 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exeWindowsInput.exe

description	ioc	process
File created	C:\Windows\SysWOW64\WindowsInput.exe	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.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 AdjustPrivilegeToken 1 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

description pid process

Token: SeDebugPrivilege 2172 87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid process

2172 87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid process

2172 87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid process

2172 87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

description	pid	process
Token: SeDebugPrivilege	2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid	process
2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid	process
2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

pid	process
2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe

description	pid	process	target process
PID 2172 wrote to memory of 2476	2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe	WindowsInput.exe
PID 2172 wrote to memory of 2476	2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe	WindowsInput.exe
PID 2172 wrote to memory of 2476	2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe	WindowsInput.exe
PID 2172 wrote to memory of 2476	2172	87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe	WindowsInput.exe

C:\Users\Admin\AppData\Local\Temp\87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe
"C:\Users\Admin\AppData\Local\Temp\87f7c9621a398d1463e9b6e095704ce6a1d63f55ba8a6c88fdbef6dca7e7232c.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2476

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2616

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

Replay Monitor

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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/2172-2-0x0000000000210000-0x000000000021E000-memory.dmp

Filesize
56KB

Download
memory/2172-1-0x0000000000930000-0x0000000000A1A000-memory.dmp

Filesize
936KB

Download
memory/2172-25-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-5-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/2172-4-0x0000000000600000-0x000000000065C000-memory.dmp

Filesize
368KB

Download
memory/2172-3-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-24-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2172-23-0x0000000004310000-0x0000000004320000-memory.dmp

Filesize
64KB

Download
memory/2172-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2172-22-0x0000000002110000-0x0000000002128000-memory.dmp

Filesize
96KB

Download
memory/2476-19-0x000007FEF5060000-0x000007FEF5A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2476-13-0x000007FEF5063000-0x000007FEF5064000-memory.dmp

Filesize
4KB

Download
memory/2476-16-0x000007FEF5060000-0x000007FEF5A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2476-15-0x0000000000C20000-0x0000000000C2C000-memory.dmp

Filesize
48KB

Download
memory/2616-21-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download