orcus | e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970

General

Target

e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe
Size

3.0MB
MD5

5e7e3fe816e4807c99a83dc8940c6658
SHA1

fdc6187c9f6694c24b976e50d1071f65b87bb5a9
SHA256

e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970
SHA512

d1b90942c4239c616daca8873eba926c124d4db8d43347d433689acb4d7e758539f3c3f31f44e38d8f5dafe49dcfed32dfe97685908179a564b208b9af42aeb0
SSDEEP

49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

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_32727hjoasxq4kfyevg47fiu0y42oof5

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\tracktrackjs\externalwindows.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/0x0007000000023cb3-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4740-1-0x0000000000360000-0x000000000065E000-memory.dmp	orcus
behavioral2/files/0x0007000000023cb3-13.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe

Executes dropped EXE 4 IoCs

pid	Process
404	externalwindows.exe
2284	externalwindows.exe
2844	externalwindows.exe
4728	externalwindows.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	e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	externalwindows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	externalwindows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	externalwindows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	externalwindows.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 404	4740	e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe	82
PID 4740 wrote to memory of 404	4740	e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe	82
PID 4740 wrote to memory of 404	4740	e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe	82

C:\Users\Admin\AppData\Local\Temp\e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe
"C:\Users\Admin\AppData\Local\Temp\e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
  "C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:404

C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2284

C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2844

C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4728

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\externalwindows.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe

Filesize
3.0MB

MD5
5e7e3fe816e4807c99a83dc8940c6658

SHA1
fdc6187c9f6694c24b976e50d1071f65b87bb5a9

SHA256
e61c8a992355a905416b4be3f3acba69aa9ed6c2f05bbb2ce204b8aa9ec9b970

SHA512
d1b90942c4239c616daca8873eba926c124d4db8d43347d433689acb4d7e758539f3c3f31f44e38d8f5dafe49dcfed32dfe97685908179a564b208b9af42aeb0

Download Submit
C:\Users\Admin\AppData\Roaming\tracktrackjs\externalwindows.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/404-31-0x00000000067D0000-0x00000000067E0000-memory.dmp

Filesize
64KB

Download
memory/404-33-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

Filesize
40KB

Download
memory/404-27-0x0000000005FE0000-0x000000000602E000-memory.dmp

Filesize
312KB

Download
memory/404-36-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/404-29-0x0000000006790000-0x00000000067A8000-memory.dmp

Filesize
96KB

Download
memory/404-23-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/404-25-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/404-26-0x00000000059A0000-0x00000000059B2000-memory.dmp

Filesize
72KB

Download
memory/2284-32-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/2284-30-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/2284-35-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/4740-5-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/4740-24-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/4740-7-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/4740-6-0x00000000053F0000-0x0000000005482000-memory.dmp

Filesize
584KB

Download
memory/4740-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/4740-4-0x0000000005200000-0x000000000525C000-memory.dmp

Filesize
368KB

Download
memory/4740-3-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/4740-2-0x0000000002A50000-0x0000000002A5E000-memory.dmp

Filesize
56KB

Download
memory/4740-1-0x0000000000360000-0x000000000065E000-memory.dmp

Filesize
3.0MB

Download

Analysis

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