orcus | 342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7

General

Target

342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe
Size

3.0MB
MD5

bc4165ea7a72ab5e2a09d410179fcc43
SHA1

c177a8c61e65e8cbb35f25fdd988e7e7db40f571
SHA256

342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7
SHA512

91f30aa7ae92ddc1c674613fd7dc1ac68d426cea44ad3925a4b842d37fa964cd7b7e5f2531a76b3de89866ccc5d6b1e67e1ecf398b0bb64e09df0c8b2de70df8
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_kf8bedm97o4nlte77updryap0bijng4e

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\pythonimage\geotemp.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/0x0007000000023c94-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/4844-1-0x00000000008A0000-0x0000000000B9E000-memory.dmp	orcus
behavioral2/files/0x0007000000023c94-13.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe

Executes dropped EXE 4 IoCs

pid	Process
4408	geotemp.exe
60	geotemp.exe
4824	geotemp.exe
4488	geotemp.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	geotemp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geotemp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geotemp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geotemp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4408	4844	342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe	82
PID 4844 wrote to memory of 4408	4844	342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe	82
PID 4844 wrote to memory of 4408	4844	342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe	82

C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe
"C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
  "C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4408

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:60

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4824

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4488

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

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Download Submit
C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

Filesize
3.0MB

MD5
bc4165ea7a72ab5e2a09d410179fcc43

SHA1
c177a8c61e65e8cbb35f25fdd988e7e7db40f571

SHA256
342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7

SHA512
91f30aa7ae92ddc1c674613fd7dc1ac68d426cea44ad3925a4b842d37fa964cd7b7e5f2531a76b3de89866ccc5d6b1e67e1ecf398b0bb64e09df0c8b2de70df8

Download Submit
C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/60-35-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/60-33-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/60-31-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4408-28-0x00000000068C0000-0x00000000068D8000-memory.dmp

Filesize
96KB

Download
memory/4408-27-0x0000000006110000-0x000000000615E000-memory.dmp

Filesize
312KB

Download
memory/4408-36-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4408-32-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

Filesize
40KB

Download
memory/4408-24-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4408-30-0x0000000006BA0000-0x0000000006BB0000-memory.dmp

Filesize
64KB

Download
memory/4408-25-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4408-26-0x0000000005C50000-0x0000000005C62000-memory.dmp

Filesize
72KB

Download
memory/4844-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/4844-7-0x00000000056D0000-0x00000000056E2000-memory.dmp

Filesize
72KB

Download
memory/4844-5-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/4844-4-0x0000000005570000-0x00000000055CC000-memory.dmp

Filesize
368KB

Download
memory/4844-23-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4844-3-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4844-2-0x00000000014D0000-0x00000000014DE000-memory.dmp

Filesize
56KB

Download
memory/4844-6-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/4844-1-0x00000000008A0000-0x0000000000B9E000-memory.dmp

Filesize
3.0MB

Download

Analysis

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