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

resource	yara_rule
behavioral1/files/0x0006000000019223-31.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1792-1-0x0000000000220000-0x000000000030C000-memory.dmp	orcus
behavioral1/files/0x0006000000019223-31.dat	orcus
behavioral1/memory/3012-35-0x0000000001350000-0x000000000143C000-memory.dmp	orcus

Executes dropped EXE 3 IoCs

pid	Process
2700	WindowsInput.exe
760	WindowsInput.exe
3012	VMP Demo.exe

Loads dropped DLL 2 IoCs

pid	Process
1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe

Drops file in System32 directory 3 IoCs

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

Drops file in Windows directory 3 IoCs

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

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 8 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2700	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	30
PID 1792 wrote to memory of 2700	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	30
PID 1792 wrote to memory of 2700	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	30
PID 1792 wrote to memory of 2700	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	30
PID 1792 wrote to memory of 3012	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	32
PID 1792 wrote to memory of 3012	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	32
PID 1792 wrote to memory of 3012	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	32
PID 1792 wrote to memory of 3012	1792	844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe	32

C:\Users\Admin\AppData\Local\Temp\844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe
"C:\Users\Admin\AppData\Local\Temp\844723fe8d0dba68effa0969216be3c67133019f720396c47c8f57752d9c014c.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2700
- 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:3012

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:760

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/760-22-0x00000000010F0000-0x00000000010FC000-memory.dmp

Filesize
48KB

Download
memory/1792-4-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/1792-1-0x0000000000220000-0x000000000030C000-memory.dmp

Filesize
944KB

Download
memory/1792-6-0x0000000000650000-0x0000000000658000-memory.dmp

Filesize
32KB

Download
memory/1792-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/1792-3-0x0000000002250000-0x00000000022AC000-memory.dmp

Filesize
368KB

Download
memory/1792-34-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/1792-5-0x00000000005F0000-0x0000000000602000-memory.dmp

Filesize
72KB

Download
memory/1792-2-0x00000000001C0000-0x00000000001CE000-memory.dmp

Filesize
56KB

Download
memory/2700-20-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/2700-17-0x000007FEF5C00000-0x000007FEF65EC000-memory.dmp

Filesize
9.9MB

Download
memory/2700-16-0x0000000000D10000-0x0000000000D1C000-memory.dmp

Filesize
48KB

Download
memory/2700-14-0x000007FEF5C03000-0x000007FEF5C04000-memory.dmp

Filesize
4KB

Download
memory/3012-35-0x0000000001350000-0x000000000143C000-memory.dmp

Filesize
944KB

Download
memory/3012-36-0x00000000003C0000-0x00000000003D2000-memory.dmp

Filesize
72KB

Download

Analysis

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