orcus | 1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421

General

Target

1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe
Size

912KB
MD5

ed773203c47d0ab65d0a6bafd4f56f0c
SHA1

11578290084ce2bc4377948ec626cdd119176bbb
SHA256

1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421
SHA512

cb1338dade558a387a4b2a0de06bf93c90b163dae32f629be64e175157b06f0f4800d0f6f056f2ac9fb4aa688fd9d80a6aecf006359c7f1fbc2a887d5657417f
SSDEEP

24576:nam4MROxnFrFPurerrcI0AilFEvxHPWoop:nOMiMerrcI0AilFEvxHP

Score

10^/10

orcus client rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

client

C2

192.168.1.174:10134

Mutex

e254cea4a76c43ebb69ab45ba95a4fa5

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

resource	yara_rule
behavioral1/memory/2956-1-0x0000000000DF0000-0x0000000000EDA000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
2828	WindowsInput.exe
2468	WindowsInput.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.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

description	pid	Process
Token: SeDebugPrivilege	2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2828	2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe	28
PID 2956 wrote to memory of 2828	2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe	28
PID 2956 wrote to memory of 2828	2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe	28
PID 2956 wrote to memory of 2828	2956	1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe	28

C:\Users\Admin\AppData\Local\Temp\1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.exe
"C:\Users\Admin\AppData\Local\Temp\1b19c6662d0ccd72f6b8abca39b6e6abfcd3d4ad874042247deec002eda7f421.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:2956
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2828

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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/2468-21-0x00000000001C0000-0x00000000001CC000-memory.dmp

Filesize
48KB

Download
memory/2828-13-0x000007FEF5A73000-0x000007FEF5A74000-memory.dmp

Filesize
4KB

Download
memory/2828-15-0x0000000000A40000-0x0000000000A4C000-memory.dmp

Filesize
48KB

Download
memory/2828-19-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

Filesize
9.9MB

Download
memory/2828-16-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

Filesize
9.9MB

Download
memory/2956-3-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2956-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/2956-4-0x0000000000CA0000-0x0000000000CFC000-memory.dmp

Filesize
368KB

Download
memory/2956-2-0x00000000002D0000-0x00000000002DE000-memory.dmp

Filesize
56KB

Download
memory/2956-5-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2956-1-0x0000000000DF0000-0x0000000000EDA000-memory.dmp

Filesize
936KB

Download
memory/2956-22-0x0000000000B70000-0x0000000000B88000-memory.dmp

Filesize
96KB

Download
memory/2956-23-0x0000000000B90000-0x0000000000BA0000-memory.dmp

Filesize
64KB

Download
memory/2956-24-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/2956-25-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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