orcus | e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee

General

Target

e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe
Size

3.0MB
MD5

1abde3259b140132a71ac457e38ea5fe
SHA1

1410f1c403857152d320edf73d79b1d5dca54a26
SHA256

e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee
SHA512

d4bbca63a28c5bd209ff9908bbc3d9390148e3246ac6e430faa3975199dc1d043501b713ae12c276a6734746b8abbfe1733c61761e26f25237cb270c766b4688
SSDEEP

49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:36345

Mutex

sudo_it7yxauf7ok1fl7chcp7ko7em9jyb655

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\multiflowerprovider\cdnsecure.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 family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023ca0-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/5036-1-0x0000000000A60000-0x0000000000D5E000-memory.dmp	orcus
behavioral2/files/0x0007000000023ca0-13.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe

Executes dropped EXE 4 IoCs

pid	Process
1856	cdnsecure.exe
1560	cdnsecure.exe
3084	cdnsecure.exe
4228	cdnsecure.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdnsecure.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdnsecure.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdnsecure.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdnsecure.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 1856	5036	e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe	83
PID 5036 wrote to memory of 1856	5036	e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe	83
PID 5036 wrote to memory of 1856	5036	e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe	83

C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe
"C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
  "C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1856

C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1560

C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3084

C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4228

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe

Filesize
3.0MB

MD5
1abde3259b140132a71ac457e38ea5fe

SHA1
1410f1c403857152d320edf73d79b1d5dca54a26

SHA256
e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee

SHA512
d4bbca63a28c5bd209ff9908bbc3d9390148e3246ac6e430faa3975199dc1d043501b713ae12c276a6734746b8abbfe1733c61761e26f25237cb270c766b4688

Download Submit
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1560-35-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1560-33-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1560-30-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-29-0x00000000068E0000-0x00000000068F8000-memory.dmp

Filesize
96KB

Download
memory/1856-27-0x0000000006130000-0x000000000617E000-memory.dmp

Filesize
312KB

Download
memory/1856-36-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-32-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

Filesize
40KB

Download
memory/1856-24-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-31-0x0000000006920000-0x0000000006930000-memory.dmp

Filesize
64KB

Download
memory/1856-25-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-26-0x0000000005C70000-0x0000000005C82000-memory.dmp

Filesize
72KB

Download
memory/5036-23-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/5036-4-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-7-0x0000000005E50000-0x0000000005E62000-memory.dmp

Filesize
72KB

Download
memory/5036-3-0x0000000005710000-0x000000000576C000-memory.dmp

Filesize
368KB

Download
memory/5036-5-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/5036-2-0x00000000030A0000-0x00000000030AE000-memory.dmp

Filesize
56KB

Download
memory/5036-6-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/5036-1-0x0000000000A60000-0x0000000000D5E000-memory.dmp

Filesize
3.0MB

Download

Analysis

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