orcus | 844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c

General

Target

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
Size

3.0MB
MD5

a926645c212cd8d7667b2c0d91421bf8
SHA1

042a63bb3bbdb79d81dc21b9517b213fa16ee9d4
SHA256

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c
SHA512

8c2557ff2bcd730f4a99306b19a6b05aaa30a2fc74d77a5d2c4f246bc12edb65c8acb270ce7e0016ea1884ddf9f3268403fc60f498fc6fae927d201aaa20e488
SSDEEP

24576:wpP4MROxnFH3yRM4qrrcI0AilFEvxHPcdooV:w2MihylqrrcI0AilFEvxHPc

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

venerra.ddns.net:1604

Mutex

8f144d586f97404d9cf70aca18e3708d

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%windir%/VMP/Protector/VMP Demo.exe
reconnect_delay
10000
registry_keyname
VMP Protect
taskscheduler_taskname
VMP_Protect
watchdog_path
AppData\VMP Https

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

Processes:

resource	yara_rule
behavioral2/files/0x000a000000023b84-39.dat	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2824-1-0x0000000000110000-0x00000000001FC000-memory.dmp	orcus
behavioral2/files/0x000a000000023b84-39.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

Processes:

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe

Executes dropped EXE 3 IoCs

Processes:

WindowsInput.exeWindowsInput.exeVMP Demo.exe

pid	Process
4492	WindowsInput.exe
3356	WindowsInput.exe
780	VMP Demo.exe

Drops file in System32 directory 3 IoCs

Processes:

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exeWindowsInput.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Windows directory 3 IoCs

Processes:

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe

description	ioc	Process
File created	C:\Windows\VMP\Protector\VMP Demo.exe	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
File opened for modification	C:\Windows\VMP\Protector\VMP Demo.exe	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
File created	C:\Windows\VMP\Protector\VMP Demo.exe.config	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe

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 2 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

Processes:

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exeVMP Demo.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VMP Demo.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe

description	pid	Process	procid_target
PID 2824 wrote to memory of 4492	2824	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	87
PID 2824 wrote to memory of 4492	2824	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	87
PID 2824 wrote to memory of 780	2824	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	89
PID 2824 wrote to memory of 780	2824	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	89
PID 2824 wrote to memory of 780	2824	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	89

C:\Users\Admin\AppData\Local\Temp\844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
"C:\Users\Admin\AppData\Local\Temp\844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:4492
- C:\Windows\VMP\Protector\VMP Demo.exe
  "C:\Windows\VMP\Protector\VMP Demo.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:780

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:3356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
C:\Windows\VMP\Protector\VMP Demo.exe

Filesize
3.0MB

MD5
a926645c212cd8d7667b2c0d91421bf8

SHA1
042a63bb3bbdb79d81dc21b9517b213fa16ee9d4

SHA256
844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c

SHA512
8c2557ff2bcd730f4a99306b19a6b05aaa30a2fc74d77a5d2c4f246bc12edb65c8acb270ce7e0016ea1884ddf9f3268403fc60f498fc6fae927d201aaa20e488

Download Submit
memory/780-51-0x0000000004BC0000-0x0000000004BD2000-memory.dmp

Filesize
72KB

Download
memory/2824-6-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/2824-5-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/2824-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/2824-7-0x0000000004CE0000-0x0000000004CF2000-memory.dmp

Filesize
72KB

Download
memory/2824-8-0x0000000004CF0000-0x0000000004CF8000-memory.dmp

Filesize
32KB

Download
memory/2824-9-0x0000000005270000-0x0000000005292000-memory.dmp

Filesize
136KB

Download
memory/2824-4-0x0000000004BC0000-0x0000000004C1C000-memory.dmp

Filesize
368KB

Download
memory/2824-3-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/2824-2-0x0000000004AE0000-0x0000000004AEE000-memory.dmp

Filesize
56KB

Download
memory/2824-50-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/2824-1-0x0000000000110000-0x00000000001FC000-memory.dmp

Filesize
944KB

Download
memory/3356-33-0x000000001B030000-0x000000001B13A000-memory.dmp

Filesize
1.0MB

Download
memory/3356-32-0x00007FFD35A00000-0x00007FFD364C1000-memory.dmp

Filesize
10.8MB

Download
memory/3356-54-0x00007FFD35A00000-0x00007FFD364C1000-memory.dmp

Filesize
10.8MB

Download
memory/4492-28-0x00007FFD35A00000-0x00007FFD364C1000-memory.dmp

Filesize
10.8MB

Download
memory/4492-26-0x000000001BFA0000-0x000000001BFDC000-memory.dmp

Filesize
240KB

Download
memory/4492-25-0x0000000002390000-0x00000000023A2000-memory.dmp

Filesize
72KB

Download
memory/4492-24-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/4492-23-0x00007FFD35A03000-0x00007FFD35A05000-memory.dmp

Filesize
8KB

Download
memory/4492-53-0x00007FFD35A00000-0x00007FFD364C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads