orcus | 4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79

General

Target

4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe
Size

3.0MB
MD5

a799040cfc26714b653950f418cc3359
SHA1

3c944bf11d495c0cd7bee4e8dbc9515bea44b94c
SHA256

4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79
SHA512

591c5537397a2f8e93cd16911ef94fd7adaf682851f1d21dc8e39d7b43dbdf661ed0c441fd11ec620d55dff4dcdf9c110d3c162b4f0cee080a3f7178122a50c6
SSDEEP

49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus voznya rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

voznya

C2

31.44.184.52:29613

Mutex

sudo_bk0dxk6ankr3vxmczlddfhmsclecfrf2

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
C:\a\generatorhttp\wpuniversal.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.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
behavioral2/files/0x00070000000233f3-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4820-0-0x00000000004C0000-0x00000000007BE000-memory.dmp	orcus
behavioral2/files/0x00070000000233f3-13.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe

Executes dropped EXE 4 IoCs

pid	Process
2404	wpuniversal.exe
5740	wpuniversal.exe
4564	wpuniversal.exe
3516	wpuniversal.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 2404	4820	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	84
PID 4820 wrote to memory of 2404	4820	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	84
PID 4820 wrote to memory of 2404	4820	4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe	84

C:\Users\Admin\AppData\Local\Temp\4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe
"C:\Users\Admin\AppData\Local\Temp\4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4820
- C:\a\generatorhttp\wpuniversal.exe
  "C:\a\generatorhttp\wpuniversal.exe"
  2⤵
  - Executes dropped EXE
  PID:2404

C:\a\generatorhttp\wpuniversal.exe
C:\a\generatorhttp\wpuniversal.exe
1⤵
- Executes dropped EXE
PID:5740

C:\a\generatorhttp\wpuniversal.exe
C:\a\generatorhttp\wpuniversal.exe
1⤵
- Executes dropped EXE
PID:4564

C:\a\generatorhttp\wpuniversal.exe
C:\a\generatorhttp\wpuniversal.exe
1⤵
- Executes dropped EXE
PID:3516

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wpuniversal.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\a\generatorhttp\wpuniversal.exe

Filesize
3.0MB

MD5
a799040cfc26714b653950f418cc3359

SHA1
3c944bf11d495c0cd7bee4e8dbc9515bea44b94c

SHA256
4d37adf0c3bdb82bca83335523ff532318e6b99a3c6feabbdd117bcf41d23b79

SHA512
591c5537397a2f8e93cd16911ef94fd7adaf682851f1d21dc8e39d7b43dbdf661ed0c441fd11ec620d55dff4dcdf9c110d3c162b4f0cee080a3f7178122a50c6

Download Submit
C:\a\generatorhttp\wpuniversal.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/2404-24-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2404-35-0x0000000005A30000-0x0000000005A40000-memory.dmp

Filesize
64KB

Download
memory/2404-34-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2404-31-0x0000000006F20000-0x0000000006F2A000-memory.dmp

Filesize
40KB

Download
memory/2404-30-0x0000000006C10000-0x0000000006C20000-memory.dmp

Filesize
64KB

Download
memory/2404-28-0x0000000006920000-0x0000000006938000-memory.dmp

Filesize
96KB

Download
memory/2404-26-0x0000000006170000-0x00000000061BE000-memory.dmp

Filesize
312KB

Download
memory/2404-25-0x0000000005A30000-0x0000000005A40000-memory.dmp

Filesize
64KB

Download
memory/4820-23-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4820-0-0x00000000004C0000-0x00000000007BE000-memory.dmp

Filesize
3.0MB

Download
memory/4820-7-0x00000000053F0000-0x0000000005402000-memory.dmp

Filesize
72KB

Download
memory/4820-6-0x0000000005580000-0x0000000005612000-memory.dmp

Filesize
584KB

Download
memory/4820-5-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/4820-4-0x0000000005190000-0x00000000051EC000-memory.dmp

Filesize
368KB

Download
memory/4820-3-0x0000000002A60000-0x0000000002A6E000-memory.dmp

Filesize
56KB

Download
memory/4820-2-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/4820-1-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/5740-29-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/5740-33-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download

Analysis

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