orcus | 2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31-07-2024 01:07

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General

Target

2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe
Size

903KB
MD5

fe3318487162b45cbe34d8c8876d4c55
SHA1

5c55217bcb60622dbcf779cc2892d74a8026dffa
SHA256

2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880
SHA512

2eba77e2abf648afae7b4c4911ffa75b5a980faaabfc29fd8b50b1ac720341832452ae83c4efe61155493268d2107a8ede9217c272772d91ce44699bc3c1cdc9
SSDEEP

24576:PbDS04YNEMuExDiU6E5R9sdOQnQ2M+Y+Ibj+r:zZ4auS+UjvxsIbj+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x00080000000174a8-6.dat	family_orcus

Executes dropped EXE 4 IoCs

Processes:

Nethosts.exeprinthosts.exeNethosts.exeprinthosts.exe

pid	Process
3024	Nethosts.exe
2548	printhosts.exe
2696	Nethosts.exe
2596	printhosts.exe

Loads dropped DLL 2 IoCs

Processes:

2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exeNethosts.exe

pid	Process
2604	2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe
3024	Nethosts.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 5 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:

Nethosts.exeprinthosts.exeprinthosts.exe2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exeNethosts.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nethosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	printhosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	printhosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nethosts.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Nethosts.exeprinthosts.exe

pid	Process
3024	Nethosts.exe
3024	Nethosts.exe
3024	Nethosts.exe
2596	printhosts.exe
2596	printhosts.exe
3024	Nethosts.exe
3024	Nethosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
3024	Nethosts.exe
3024	Nethosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe
3024	Nethosts.exe
2596	printhosts.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Nethosts.exeprinthosts.exeprinthosts.exe

description	pid	Process
Token: SeDebugPrivilege	3024	Nethosts.exe
Token: SeDebugPrivilege	2548	printhosts.exe
Token: SeDebugPrivilege	2596	printhosts.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Nethosts.exe

pid	Process
3024	Nethosts.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exeNethosts.exetaskeng.exeprinthosts.exe

description	pid	Process	procid_target
PID 2604 wrote to memory of 3024	2604	2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe	32
PID 2604 wrote to memory of 3024	2604	2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe	32
PID 2604 wrote to memory of 3024	2604	2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe	32
PID 2604 wrote to memory of 3024	2604	2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe	32
PID 3024 wrote to memory of 2548	3024	Nethosts.exe	34
PID 3024 wrote to memory of 2548	3024	Nethosts.exe	34
PID 3024 wrote to memory of 2548	3024	Nethosts.exe	34
PID 3024 wrote to memory of 2548	3024	Nethosts.exe	34
PID 2772 wrote to memory of 2696	2772	taskeng.exe	35
PID 2772 wrote to memory of 2696	2772	taskeng.exe	35
PID 2772 wrote to memory of 2696	2772	taskeng.exe	35
PID 2772 wrote to memory of 2696	2772	taskeng.exe	35
PID 2548 wrote to memory of 2596	2548	printhosts.exe	36
PID 2548 wrote to memory of 2596	2548	printhosts.exe	36
PID 2548 wrote to memory of 2596	2548	printhosts.exe	36
PID 2548 wrote to memory of 2596	2548	printhosts.exe	36

C:\Users\Admin\AppData\Local\Temp\2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe
"C:\Users\Admin\AppData\Local\Temp\2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Users\Admin\AppData\Roaming\printhosts.exe
    "C:\Users\Admin\AppData\Roaming\printhosts.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe" 3024 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Users\Admin\AppData\Roaming\printhosts.exe
      "C:\Users\Admin\AppData\Roaming\printhosts.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe" 3024 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2596

C:\Windows\system32\taskeng.exe
taskeng.exe {0B5DDC7A-1F79-49DE-A704-3304FE7FB832} S-1-5-21-3450744190-3404161390-554719085-1000:PDIZKVQX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\printhosts.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Speech\Nethosts.exe

Filesize
903KB

MD5
fe3318487162b45cbe34d8c8876d4c55

SHA1
5c55217bcb60622dbcf779cc2892d74a8026dffa

SHA256
2ce2ae61873e5d585d36efc823d311409ad0f504c55f1d044199a35e0ce67880

SHA512
2eba77e2abf648afae7b4c4911ffa75b5a980faaabfc29fd8b50b1ac720341832452ae83c4efe61155493268d2107a8ede9217c272772d91ce44699bc3c1cdc9

Download Submit
\Users\Admin\AppData\Roaming\printhosts.exe

Filesize
9KB

MD5
5d15c6fee4063d2fa9bcf9d170be4f07

SHA1
944ea7866b5f1fc27359d151e654fdda080b2cb3

SHA256
6802cf997e7a1f76018fa2c30623fad50f70dda00511452f8258534c7aa01082

SHA512
4534c8579153725b4fd786e93b9843c8797f4fdb8df083858d42bf3c9a134df08464a4990bc5b0bad3cb52c6df1e1830df922a3b6322c8333a95e643f33faa9e

Download Submit
memory/2548-24-0x0000000000200000-0x0000000000208000-memory.dmp

Filesize
32KB

Download
memory/2604-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

Filesize
4KB

Download
memory/2604-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-11-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-12-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-15-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-26-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-27-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download