orcus | 3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-06-2024 01:10

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General

Target

3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
Size

918KB
MD5

ee9a70d7cdb17d650bf981828446a502
SHA1

8d665f710b8edc652195d6c06e6f3c179c2bdfd1
SHA256

3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263
SHA512

335b901e0afe9e2ec41d03a6d83324f6032c84f825a3968d04a675670e3a924010ca3b0755ab58e04ed5db9ca7ab4e71cfa3b96a69e98113c8ff9636565cfb5a
SSDEEP

24576:Etb4MROxnFZ3LRM43rrcI0AilFEvxHPgAtoo0:EiMi7Ll3rrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

146.235.217.116:5555

Mutex

ce877b798e0545b79ebc4029db4ab310

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\javaw\java.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
updaters
watchdog_path
AppData\updater.exe

Signatures

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

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000143e5-26.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/3004-1-0x0000000001100000-0x00000000011EC000-memory.dmp	orcus
behavioral1/files/0x00070000000143e5-26.dat	orcus
behavioral1/memory/2172-32-0x0000000000DA0000-0x0000000000E8C000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2520	WindowsInput.exe
2636	WindowsInput.exe
2172	java.exe
1776	updater.exe
2708	java.exe
2768	updater.exe

Loads dropped DLL 4 IoCs

pid	Process
3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
2172	java.exe
1776	updater.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\javaw\java.exe	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
File opened for modification	C:\Program Files (x86)\javaw\java.exe	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
File created	C:\Program Files (x86)\javaw\java.exe.config	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe
2172	java.exe
2768	updater.exe
2768	updater.exe
2172	java.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	updater.exe
Token: SeDebugPrivilege	2172	java.exe
Token: SeDebugPrivilege	2768	updater.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2520	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	28
PID 3004 wrote to memory of 2520	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	28
PID 3004 wrote to memory of 2520	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	28
PID 3004 wrote to memory of 2520	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	28
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 3004 wrote to memory of 2172	3004	3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe	30
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2172 wrote to memory of 1776	2172	java.exe	32
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 2428 wrote to memory of 2708	2428	taskeng.exe	33
PID 1776 wrote to memory of 2768	1776	updater.exe	34
PID 1776 wrote to memory of 2768	1776	updater.exe	34
PID 1776 wrote to memory of 2768	1776	updater.exe	34
PID 1776 wrote to memory of 2768	1776	updater.exe	34
PID 1776 wrote to memory of 2768	1776	updater.exe	34
PID 1776 wrote to memory of 2768	1776	updater.exe	34
PID 1776 wrote to memory of 2768	1776	updater.exe	34

C:\Users\Admin\AppData\Local\Temp\3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe
"C:\Users\Admin\AppData\Local\Temp\3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2520
- C:\Program Files (x86)\javaw\java.exe
  "C:\Program Files (x86)\javaw\java.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Users\Admin\AppData\Roaming\updater.exe
    "C:\Users\Admin\AppData\Roaming\updater.exe" /launchSelfAndExit "C:\Program Files (x86)\javaw\java.exe" 2172 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1776
  - - C:\Users\Admin\AppData\Roaming\updater.exe
      "C:\Users\Admin\AppData\Roaming\updater.exe" /watchProcess "C:\Program Files (x86)\javaw\java.exe" 2172 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2768

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2636

C:\Windows\system32\taskeng.exe
taskeng.exe {9B0800FF-604C-48AE-816F-B70AC1C03C1E} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Program Files (x86)\javaw\java.exe
  "C:\Program Files (x86)\javaw\java.exe"
  2⤵
  - Executes dropped EXE
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\updater.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
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
\Program Files (x86)\javaw\java.exe

Filesize
918KB

MD5
ee9a70d7cdb17d650bf981828446a502

SHA1
8d665f710b8edc652195d6c06e6f3c179c2bdfd1

SHA256
3dcb6077a108a53c7df5ab6af5b4f6aafc533ba0d44118b983621f89b7ec2263

SHA512
335b901e0afe9e2ec41d03a6d83324f6032c84f825a3968d04a675670e3a924010ca3b0755ab58e04ed5db9ca7ab4e71cfa3b96a69e98113c8ff9636565cfb5a

Download Submit
memory/1776-47-0x0000000000800000-0x0000000000808000-memory.dmp

Filesize
32KB

Download
memory/2172-37-0x0000000004760000-0x0000000004770000-memory.dmp

Filesize
64KB

Download
memory/2172-35-0x0000000000CA0000-0x0000000000CEE000-memory.dmp

Filesize
312KB

Download
memory/2172-36-0x00000000047B0000-0x00000000047C8000-memory.dmp

Filesize
96KB

Download
memory/2172-34-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/2172-32-0x0000000000DA0000-0x0000000000E8C000-memory.dmp

Filesize
944KB

Download
memory/2520-13-0x000007FEF5A73000-0x000007FEF5A74000-memory.dmp

Filesize
4KB

Download
memory/2520-15-0x0000000000140000-0x000000000014C000-memory.dmp

Filesize
48KB

Download
memory/2520-16-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

Filesize
9.9MB

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memory/2520-19-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

Filesize
9.9MB

Download
memory/2636-21-0x00000000003E0000-0x00000000003EC000-memory.dmp

Filesize
48KB

Download
memory/3004-5-0x00000000006B0000-0x00000000006C2000-memory.dmp

Filesize
72KB

Download
memory/3004-33-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/3004-4-0x0000000000A20000-0x0000000000A7C000-memory.dmp

Filesize
368KB

Download
memory/3004-3-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-2-0x00000000002D0000-0x00000000002DE000-memory.dmp

Filesize
56KB

Download
memory/3004-1-0x0000000001100000-0x00000000011EC000-memory.dmp

Filesize
944KB

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