orcus | 45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 01:53

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General

Target

45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
Size

914KB
MD5

90d13737114c302721421b0f8dd96fe5
SHA1

1c46d75f27aebd4876d723e8631a6c118d15b4cd
SHA256

45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa
SHA512

613fe282f89113b71a8f971bb462fc7754a99e2a64a337d926090581344002676effb5fc006233d096a1e672d299bf084ba5e7394aa71a34391cbff8c2e63df7
SSDEEP

24576:ehg4MROxnFR3KTnsrZlI0AilFEvxHiMz:ehDMij/rZlI0AilFEvxHi

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

178.20.45.159:7777

Mutex

cebdd72cd8644d1887737526c4a60f8b

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%appdata%\Discord\Discord.exe
reconnect_delay
10000
registry_keyname
Update
taskscheduler_taskname
Discord
watchdog_path
Temp\Radmin VPN.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/0x000c0000000233ee-31.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000c0000000233ee-31.dat	orcus
behavioral2/memory/2352-42-0x0000000000A30000-0x0000000000B1A000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 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-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	Discord.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	Radmin VPN.exe

Executes dropped EXE 3 IoCs

pid	Process
2352	Discord.exe
4600	Radmin VPN.exe
1540	Radmin VPN.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
File created	C:\Windows\assembly\Desktop.ini	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.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
2352	Discord.exe
2352	Discord.exe
2352	Discord.exe
1540	Radmin VPN.exe
1540	Radmin VPN.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe
2352	Discord.exe
1540	Radmin VPN.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	Discord.exe
Token: SeDebugPrivilege	4600	Radmin VPN.exe
Token: SeDebugPrivilege	1540	Radmin VPN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2588	400	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	90
PID 400 wrote to memory of 2588	400	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	90
PID 2588 wrote to memory of 3928	2588	csc.exe	92
PID 2588 wrote to memory of 3928	2588	csc.exe	92
PID 400 wrote to memory of 2352	400	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	93
PID 400 wrote to memory of 2352	400	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	93
PID 2352 wrote to memory of 4600	2352	Discord.exe	94
PID 2352 wrote to memory of 4600	2352	Discord.exe	94
PID 2352 wrote to memory of 4600	2352	Discord.exe	94
PID 4600 wrote to memory of 1540	4600	Radmin VPN.exe	95
PID 4600 wrote to memory of 1540	4600	Radmin VPN.exe	95
PID 4600 wrote to memory of 1540	4600	Radmin VPN.exe	95

C:\Users\Admin\AppData\Local\Temp\45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
"C:\Users\Admin\AppData\Local\Temp\45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\nk6tkbnx.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3430.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC3420.tmp"
    3⤵
    PID:3928
- C:\Users\Admin\AppData\Roaming\Discord\Discord.exe
  "C:\Users\Admin\AppData\Roaming\Discord\Discord.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Users\Admin\AppData\Local\Temp\Radmin VPN.exe
    "C:\Users\Admin\AppData\Local\Temp\Radmin VPN.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Discord\Discord.exe" 2352 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4600
  - - C:\Users\Admin\AppData\Local\Temp\Radmin VPN.exe
      "C:\Users\Admin\AppData\Local\Temp\Radmin VPN.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Discord\Discord.exe" 2352 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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\Radmin VPN.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES3430.tmp

Filesize
1KB

MD5
12301bc65c8264a471f6c634992fde50

SHA1
9bfeea5d75a7db2a1ac06749a3dda01bc0a0bea0

SHA256
71730f9a7a186b02ce62fc4680c292154f7c171aac6896dcc23da19f3c799d48

SHA512
ad75696b49818a779e57727056e1ac7ef7596fbe1211c90cdbaec40db59b1c714420ad12882410fb6589b0765e96adc5a16af39c7a10da7a421da779c9a0a2b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Radmin VPN.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Local\Temp\nk6tkbnx.dll

Filesize
76KB

MD5
1fe0a17e6e20b40a6ad700ea7fbf3ca4

SHA1
adcaef702589418b7a148535e6ba63dabd4a1f85

SHA256
7a08e87a6c797797e083d3c659ef08e5fb19e5f6b61ec766360ad0b54d67bfe4

SHA512
06f74282378d527130071b4f03124f430c02bbfd980ffd134bd89ad4db5f6783275d4698fec3c5baf755b056369f5d877d89f5bd6b011d80890cee31b7abe187

Download Submit
C:\Users\Admin\AppData\Roaming\Discord\Discord.exe

Filesize
914KB

MD5
90d13737114c302721421b0f8dd96fe5

SHA1
1c46d75f27aebd4876d723e8631a6c118d15b4cd

SHA256
45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa

SHA512
613fe282f89113b71a8f971bb462fc7754a99e2a64a337d926090581344002676effb5fc006233d096a1e672d299bf084ba5e7394aa71a34391cbff8c2e63df7

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC3420.tmp

Filesize
676B

MD5
d1e3b3b9dfccfebd349875172c0cb0d8

SHA1
9af075e10604ec1b969492602b4283a24c0f62bc

SHA256
20cbc3a7dd7602415e36a192e162d93f85b26f082b6b5c2b3e651f17f3f0315c

SHA512
766e82be72aa4f52c5742df3f0d438a6099013672021de15722debe4cf0620ea4a8887302d206a2c87fc227b4d5b821896eed2e0191645e61a95e8157ffe4537

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\nk6tkbnx.0.cs

Filesize
208KB

MD5
219eac610e7b01830fbf31c8bd8a72a1

SHA1
1af0c6fcb705e7fb2b1cf18c91de57bb47ba9f62

SHA256
637486b00b1456038dc85a9007fe001bbaff5f34cb506f5df59ed60373a2cd6c

SHA512
7069e887a6664f5d139aa3afab2519cb350cfac13a7a93989b289c9b82eb8b78eac9c3832f05aa83fcfc041d911661fca6cc0a435130c78988d2b80290d07c4b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\nk6tkbnx.cmdline

Filesize
349B

MD5
a24284054d5074efe5bc70131a8c4f75

SHA1
10b852851a2b8c197a4b1604bbdeb855c47c2961

SHA256
c3a548b60fc31c87e2af47d346c35659c67c497e2fd9c6bd4bbbc53ca8da8430

SHA512
992c72a47b3bd82849bf304ea463d9c3dbba6eaa46a716d61338694545d3ae99810b96b6cf4d6bde00e491f4ffc9be7bb4c6776728e4638c6170ffb637f026e8

Download Submit
memory/400-2-0x000000001B920000-0x000000001B97C000-memory.dmp

Filesize
368KB

Download
memory/400-8-0x000000001C560000-0x000000001C5FC000-memory.dmp

Filesize
624KB

Download
memory/400-7-0x000000001BFF0000-0x000000001C4BE000-memory.dmp

Filesize
4.8MB

Download
memory/400-22-0x000000001CC20000-0x000000001CC36000-memory.dmp

Filesize
88KB

Download
memory/400-5-0x000000001BB10000-0x000000001BB1E000-memory.dmp

Filesize
56KB

Download
memory/400-24-0x000000001B880000-0x000000001B892000-memory.dmp

Filesize
72KB

Download
memory/400-25-0x000000001B800000-0x000000001B808000-memory.dmp

Filesize
32KB

Download
memory/400-6-0x00007FFFF8A10000-0x00007FFFF93B1000-memory.dmp

Filesize
9.6MB

Download
memory/400-41-0x00007FFFF8A10000-0x00007FFFF93B1000-memory.dmp

Filesize
9.6MB

Download
memory/400-0-0x00007FFFF8A10000-0x00007FFFF93B1000-memory.dmp

Filesize
9.6MB

Download
memory/400-1-0x0000000001290000-0x00000000012A0000-memory.dmp

Filesize
64KB

Download
memory/1540-72-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/1540-69-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2352-45-0x0000000002C90000-0x0000000002CA2000-memory.dmp

Filesize
72KB

Download
memory/2352-70-0x00007FFFF59A0000-0x00007FFFF6461000-memory.dmp

Filesize
10.8MB

Download
memory/2352-47-0x0000000002CC0000-0x0000000002CD8000-memory.dmp

Filesize
96KB

Download
memory/2352-48-0x0000000002CA0000-0x0000000002CB0000-memory.dmp

Filesize
64KB

Download
memory/2352-51-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

Filesize
64KB

Download
memory/2352-42-0x0000000000A30000-0x0000000000B1A000-memory.dmp

Filesize
936KB

Download
memory/2352-46-0x000000001BAF0000-0x000000001BB3E000-memory.dmp

Filesize
312KB

Download
memory/2352-44-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

Filesize
64KB

Download
memory/2352-43-0x00007FFFF59A0000-0x00007FFFF6461000-memory.dmp

Filesize
10.8MB

Download
memory/2352-71-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

Filesize
64KB

Download
memory/2588-14-0x0000000000A20000-0x0000000000A30000-memory.dmp

Filesize
64KB

Download
memory/4600-63-0x0000000000120000-0x0000000000128000-memory.dmp

Filesize
32KB

Download
memory/4600-68-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4600-64-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download