orcus | 7a6299c1f92c23741b546f6445655d2b28d5ec591719d7c55f942316c867f21c

General

Target

2342.exe
Size

907KB
MD5

840aae69e0ade8737af46709b0e70a12
SHA1

7cd1b72849c21e22e00677350565eee5fd004cb9
SHA256

7a6299c1f92c23741b546f6445655d2b28d5ec591719d7c55f942316c867f21c
SHA512

873798481adbeddb4011b43e1dfda20f73d4cc30cda5c964504f60fc42c71aa486b10da9330f4d90c2c457b758e0c14e8274a1b3c920ed166b60a9b523f51092
SSDEEP

12288:foHWszy2LkjKgEX0pq5g7dG1lFlWcYT70pxnnaaoawvjKgRRAYrZNrI0AilFEvxH:Deu4MROxnFDgHLrZlI0AilFEvxHidE

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

147.185.221.24:35724

Mutex

5e7767f2db524439a050fdf054bd5f58

Attributes

autostart_method
Disable
enable_keylogger
false
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
Orcus family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016d4f-26.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016d4f-26.dat	orcus
behavioral1/memory/2736-30-0x0000000000B20000-0x0000000000C08000-memory.dmp	orcus

Executes dropped EXE 1 IoCs

pid	Process
2736	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Orcus\Orcus.exe	2342.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	2342.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	2342.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	2736	Orcus.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1976	2980	2342.exe	30
PID 2980 wrote to memory of 1976	2980	2342.exe	30
PID 2980 wrote to memory of 1976	2980	2342.exe	30
PID 1976 wrote to memory of 2444	1976	csc.exe	32
PID 1976 wrote to memory of 2444	1976	csc.exe	32
PID 1976 wrote to memory of 2444	1976	csc.exe	32
PID 2980 wrote to memory of 2736	2980	2342.exe	33
PID 2980 wrote to memory of 2736	2980	2342.exe	33
PID 2980 wrote to memory of 2736	2980	2342.exe	33

C:\Users\Admin\AppData\Local\Temp\2342.exe
"C:\Users\Admin\AppData\Local\Temp\2342.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5xqbcnbv.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB51D.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCB51C.tmp"
    3⤵
    PID:2444
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2736

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:\Program Files\Orcus\Orcus.exe

Filesize
907KB

MD5
840aae69e0ade8737af46709b0e70a12

SHA1
7cd1b72849c21e22e00677350565eee5fd004cb9

SHA256
7a6299c1f92c23741b546f6445655d2b28d5ec591719d7c55f942316c867f21c

SHA512
873798481adbeddb4011b43e1dfda20f73d4cc30cda5c964504f60fc42c71aa486b10da9330f4d90c2c457b758e0c14e8274a1b3c920ed166b60a9b523f51092

Download Submit
C:\Program Files\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\5xqbcnbv.dll

Filesize
76KB

MD5
f068c16fa2ba96f4f55a69c5411abc87

SHA1
6b59700d04e3545e1c5a696c0f24653ad49a1c34

SHA256
e7f7dd6b84a9183742ae4f9c6911aa8c39cdcb7aa0447c700860dd91aeafff24

SHA512
3e2293abdb9e69da798c476ca304a6577193ded8484715603bdc4e334e4aad0f31e605074104ff4098cc1444ace400062bcc08f5ea139557e561ebd0f6119ccf

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESB51D.tmp

Filesize
1KB

MD5
7ce035929e432c8e0553368ed2aa8af6

SHA1
142e7f72414287080e0a9cef88a1231b8ba1a8d7

SHA256
929e59fc120d0fe08e6fbf7b0d76acfce6f495698a0bddb28dbfc108d52bab58

SHA512
414973d976baa81bddd3ee1e5d390ad4966eeacb099570731a7dd3c7415c64801f44d251465ab70ec5608c0aa64467f3391fe77beac3ecfcc9c31058e4845883

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\5xqbcnbv.0.cs

Filesize
208KB

MD5
c555d9796194c1d9a1310a05a2264e08

SHA1
82641fc4938680519c3b2e925e05e1001cbd71d7

SHA256
ccbb8fd27ab2f27fbbd871793886ff52ff1fbd9117c98b8d190c1a96b67e498a

SHA512
0b85ca22878998c7697c589739905b218f9b264a32c8f99a9f9dd73d0687a5de46cc7e851697ee16424baf94d301e411648aa2d061ac149a6d2e06b085e07090

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\5xqbcnbv.cmdline

Filesize
349B

MD5
ef6fe6336993661e0fa66f1e197b5ef4

SHA1
96be7461dea3d16dfc8d6d82444f3370849ed8a8

SHA256
2a19ed3ad319cf610724eef91d820dcfde69e0f2ed2633d309386faef1f47098

SHA512
a9d25acb13deba4c41370940f18fee483decf74514f9b88854aa73fa0bd0437dd47b338037b8a058039ec5062c499e43aa7ccce85406fbb922f957e3926b6527

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCB51C.tmp

Filesize
676B

MD5
6514e6b52e2d387bd97a5a164dc4b5e2

SHA1
253eabef7e4e458d6e753a33bc4b091df83e0d6b

SHA256
3ddd9dd561e8584e6c5f9142391fc321c5b98327e5d69b5c53acd33875825c11

SHA512
aacc0de963bbe0df324bae871e532eb8fb3906c9fb6532236c43e7d629a389d514b8de55a235208657491221dd1ab54d18323d85398f32ece6ea87e49c8b0a23

Download Submit
memory/1976-10-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

Filesize
9.6MB

Download
memory/1976-17-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

Filesize
9.6MB

Download
memory/2736-30-0x0000000000B20000-0x0000000000C08000-memory.dmp

Filesize
928KB

Download
memory/2736-33-0x0000000002140000-0x0000000002150000-memory.dmp

Filesize
64KB

Download
memory/2736-32-0x0000000002120000-0x0000000002138000-memory.dmp

Filesize
96KB

Download
memory/2736-31-0x0000000000B10000-0x0000000000B22000-memory.dmp

Filesize
72KB

Download
memory/2980-9-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

Filesize
9.6MB

Download
memory/2980-1-0x00000000010B0000-0x000000000110C000-memory.dmp

Filesize
368KB

Download
memory/2980-2-0x0000000000420000-0x000000000042E000-memory.dmp

Filesize
56KB

Download
memory/2980-28-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

Filesize
9.6MB

Download
memory/2980-21-0x0000000000430000-0x0000000000442000-memory.dmp

Filesize
72KB

Download
memory/2980-19-0x0000000000C70000-0x0000000000C86000-memory.dmp

Filesize
88KB

Download
memory/2980-7-0x000007FEF5C20000-0x000007FEF65BD000-memory.dmp

Filesize
9.6MB

Download
memory/2980-0-0x000007FEF5EDE000-0x000007FEF5EDF000-memory.dmp

Filesize
4KB

Download

Analysis

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