orcus | 45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
behavioral1/files/0x000e0000000144e9-26.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x000e0000000144e9-26.dat	orcus
behavioral1/memory/2660-30-0x00000000001C0000-0x00000000002AA000-memory.dmp	orcus

Executes dropped EXE 3 IoCs

pid	Process
2660	Discord.exe
2376	Radmin VPN.exe
2824	Radmin VPN.exe

Loads dropped DLL 1 IoCs

pid	Process
2376	Radmin VPN.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
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2660	Discord.exe
2824	Radmin VPN.exe
2824	Radmin VPN.exe
2660	Discord.exe
2660	Discord.exe
2824	Radmin VPN.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	Discord.exe
Token: SeDebugPrivilege	2376	Radmin VPN.exe
Token: SeDebugPrivilege	2824	Radmin VPN.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2460	2452	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	28
PID 2452 wrote to memory of 2460	2452	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	28
PID 2452 wrote to memory of 2460	2452	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	28
PID 2460 wrote to memory of 2628	2460	csc.exe	30
PID 2460 wrote to memory of 2628	2460	csc.exe	30
PID 2460 wrote to memory of 2628	2460	csc.exe	30
PID 2452 wrote to memory of 2660	2452	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	31
PID 2452 wrote to memory of 2660	2452	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	31
PID 2452 wrote to memory of 2660	2452	45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe	31
PID 2660 wrote to memory of 2376	2660	Discord.exe	32
PID 2660 wrote to memory of 2376	2660	Discord.exe	32
PID 2660 wrote to memory of 2376	2660	Discord.exe	32
PID 2660 wrote to memory of 2376	2660	Discord.exe	32
PID 2376 wrote to memory of 2824	2376	Radmin VPN.exe	33
PID 2376 wrote to memory of 2824	2376	Radmin VPN.exe	33
PID 2376 wrote to memory of 2824	2376	Radmin VPN.exe	33
PID 2376 wrote to memory of 2824	2376	Radmin VPN.exe	33

C:\Users\Admin\AppData\Local\Temp\45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe
"C:\Users\Admin\AppData\Local\Temp\45e4164efb64f0a589a567b3c9f5d41107c5d832729e6a7c50f76746566a4cfa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- 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\zcckfsur.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2460
- - 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\RES1009.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC1008.tmp"
    3⤵
    PID:2628
- C:\Users\Admin\AppData\Roaming\Discord\Discord.exe
  "C:\Users\Admin\AppData\Roaming\Discord\Discord.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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" 2660 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2376
  - - 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" 2660 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES1009.tmp

Filesize
1KB

MD5
d688d1d3b3bedcb88f821f64c4598585

SHA1
f6a9f65100518dc2f4531b9ac58c575e1f235c26

SHA256
464fc04c3b072285f3ad57bf32264f052fcaef753769709282e4a6bab5c26f54

SHA512
885224b328716da8e6b8819dc5469a4fa3469315837bac701a4a895fc08c99de83599a69881a4aee795f08595c1dc9bd79a9d3f3365fa6745a5daa02c72cf6a5

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\zcckfsur.dll

Filesize
76KB

MD5
65328a12732bf2eb07b571224b9b418b

SHA1
e6ea04252ddfa18a7aac875186bc7fb41a919225

SHA256
43978f6df0659638441c0dc207cbf8ab1630b0448cd415e6e4a2166a07217a0c

SHA512
4e7835f36dc44c2d985ab6ff57cbbb04905be360d580acf528cfd3dff2c5c1495913c15d38b5d266b74e06680d1bd1bdf29149d397bbc0bf350c4b52fb815274

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\CSC1008.tmp

Filesize
676B

MD5
d682081ca318bb4fb15b86b3c741783f

SHA1
72be39234a68e6079ac0a4be7224689412b78dfa

SHA256
43270db80a7cfe1ca925321c8f817930b26d4ebd90dac9495c647983431365c9

SHA512
c0bcd2d2e91e2c7857d793c259483118d23a0378a90754e0b299c752024f784e4c3bad99fa3b6a305dd1a419a114d2f8e50439b169e8a69ae9c21ee33ef9ae60

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

Filesize
208KB

MD5
2b14ae8b54d216abf4d228493ceca44a

SHA1
d134351498e4273e9d6391153e35416bc743adef

SHA256
4e1cc3da1f7bf92773aae6cffa6d61bfc3e25aead3ad947f6215f93a053f346c

SHA512
5761b605add10ae3ef80f3b8706c8241b4e8abe4ac3ce36b7be8a97d08b08da5a72fedd5e976b3c9e1c463613a943ebb5d323e6a075ef6c7c3b1abdc0d53ac05

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

Filesize
349B

MD5
04f047e08738e7c3140c1fa34cd909ab

SHA1
6caedce91468f280cc11c5e30be19ed250d34492

SHA256
e1b3147b1289b80bbc888b4e50f24864e37e76c485db8083dba0aabe8090a654

SHA512
b839170ab53ae8828f06db3353bbd3b1ea85f6c6504fde9ae2b730d6c660c0966e21d068a1bd1e93eb8d694f98d42d55d0962fb03c87bf16d2abb3406a26b145

Download Submit
memory/2376-45-0x0000000000A40000-0x0000000000A48000-memory.dmp

Filesize
32KB

Download
memory/2376-46-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2376-53-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2452-0-0x000000001AEE0000-0x000000001AF3C000-memory.dmp

Filesize
368KB

Download
memory/2452-19-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download
memory/2452-1-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/2452-2-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-28-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-4-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-20-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/2452-17-0x00000000006C0000-0x00000000006D6000-memory.dmp

Filesize
88KB

Download
memory/2452-3-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/2660-38-0x000000001B1B0000-0x000000001B230000-memory.dmp

Filesize
512KB

Download
memory/2660-35-0x0000000002010000-0x0000000002020000-memory.dmp

Filesize
64KB

Download
memory/2660-34-0x00000000020A0000-0x00000000020B8000-memory.dmp

Filesize
96KB

Download
memory/2660-33-0x000000001A750000-0x000000001A79E000-memory.dmp

Filesize
312KB

Download
memory/2660-31-0x000007FEEE640000-0x000007FEEF02C000-memory.dmp

Filesize
9.9MB

Download
memory/2660-32-0x000000001B1B0000-0x000000001B230000-memory.dmp

Filesize
512KB

Download
memory/2660-50-0x000007FEEE640000-0x000007FEEF02C000-memory.dmp

Filesize
9.9MB

Download
memory/2660-51-0x000000001B1B0000-0x000000001B230000-memory.dmp

Filesize
512KB

Download
memory/2660-52-0x000000001B1B0000-0x000000001B230000-memory.dmp

Filesize
512KB

Download
memory/2660-30-0x00000000001C0000-0x00000000002AA000-memory.dmp

Filesize
936KB

Download
memory/2824-49-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2824-54-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download