orcus | 91015de41dfac3f4592a6ccb718c3bfe2a32e45266fa9f5cb071ba101b5108f5

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/03/2023, 14:41

Sharing

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General

Target

6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe
Size

15.0MB
MD5

3f3da8bac0a5a861bb9d8cc338277cec
SHA1

c4decfc78ea894203ef57400e1378219b452ab85
SHA256

6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388
SHA512

371db6dd0f50770af5f4d73f8f0ebeb157b1fd802c5f1c734276e47d320c7e22638a115dbae1250818f006bb4d1d44e4d12850de61323466b931fbd86e164691
SSDEEP

24576:g8c4MROxnFj37rkxrrcI0AilFEvxHPA2eooyD:gGMi1PqrrcI0AilFEvxHPA+

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

4.tcp.eu.ngrok.io:16452

Mutex

e54e0edc2b17490a830bf852d09713b4

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
C:\Windows\Microsoft.NET\Framework64\svchost.exe
reconnect_delay
10000
registry_keyname
win64host
taskscheduler_taskname
win64def
watchdog_path
AppData\svchost.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 5 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122e5-63.dat	family_orcus
behavioral1/files/0x000b0000000122e5-66.dat	family_orcus
behavioral1/files/0x000b0000000122e5-65.dat	family_orcus
behavioral1/files/0x000b0000000122e5-68.dat	family_orcus
behavioral1/files/0x000b0000000122e5-84.dat	family_orcus

Orcurs Rat Executable 7 IoCs

resource	yara_rule
behavioral1/memory/1556-54-0x00000000008E0000-0x00000000009D2000-memory.dmp	orcus
behavioral1/files/0x000b0000000122e5-63.dat	orcus
behavioral1/files/0x000b0000000122e5-66.dat	orcus
behavioral1/files/0x000b0000000122e5-65.dat	orcus
behavioral1/files/0x000b0000000122e5-68.dat	orcus
behavioral1/memory/1304-69-0x0000000000880000-0x0000000000972000-memory.dmp	orcus
behavioral1/files/0x000b0000000122e5-84.dat	orcus

Executes dropped EXE 4 IoCs

pid	Process
1304	svchost.exe
364	svchost.exe
1064	svchost.exe
536	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1556	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe
1304	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\svchost.exe	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\svchost.exe	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe
File created	C:\Windows\Microsoft.NET\Framework64\svchost.exe.config	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
536	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
1304	svchost.exe
536	svchost.exe
1304	svchost.exe
536	svchost.exe
536	svchost.exe
1304	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	364	svchost.exe
Token: SeDebugPrivilege	536	svchost.exe
Token: SeDebugPrivilege	1304	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 1304	1556	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe	28
PID 1556 wrote to memory of 1304	1556	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe	28
PID 1556 wrote to memory of 1304	1556	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe	28
PID 1556 wrote to memory of 1304	1556	6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe	28
PID 1304 wrote to memory of 364	1304	svchost.exe	30
PID 1304 wrote to memory of 364	1304	svchost.exe	30
PID 1304 wrote to memory of 364	1304	svchost.exe	30
PID 1304 wrote to memory of 364	1304	svchost.exe	30
PID 572 wrote to memory of 1064	572	taskeng.exe	31
PID 572 wrote to memory of 1064	572	taskeng.exe	31
PID 572 wrote to memory of 1064	572	taskeng.exe	31
PID 572 wrote to memory of 1064	572	taskeng.exe	31
PID 364 wrote to memory of 536	364	svchost.exe	32
PID 364 wrote to memory of 536	364	svchost.exe	32
PID 364 wrote to memory of 536	364	svchost.exe	32
PID 364 wrote to memory of 536	364	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe
"C:\Users\Admin\AppData\Local\Temp\6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\Microsoft.NET\Framework64\svchost.exe
  "C:\Windows\Microsoft.NET\Framework64\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1304
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Windows\Microsoft.NET\Framework64\svchost.exe" 1304 /protectFile
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:364
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Windows\Microsoft.NET\Framework64\svchost.exe" 1304 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:536

C:\Windows\system32\taskeng.exe
taskeng.exe {B863643C-19C4-4FB9-BED5-2E6FBEC76A96} S-1-5-21-3430344531-3702557399-3004411149-1000:WFSTZEPN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:572
- C:\Windows\Microsoft.NET\Framework64\svchost.exe
  C:\Windows\Microsoft.NET\Framework64\svchost.exe
  2⤵
  - Executes dropped EXE
  PID:1064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Windows\Microsoft.NET\Framework64\svchost.exe

Filesize
15.0MB

MD5
3f3da8bac0a5a861bb9d8cc338277cec

SHA1
c4decfc78ea894203ef57400e1378219b452ab85

SHA256
6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388

SHA512
371db6dd0f50770af5f4d73f8f0ebeb157b1fd802c5f1c734276e47d320c7e22638a115dbae1250818f006bb4d1d44e4d12850de61323466b931fbd86e164691

Download Submit
C:\Windows\Microsoft.NET\Framework64\svchost.exe

Filesize
15.0MB

MD5
3f3da8bac0a5a861bb9d8cc338277cec

SHA1
c4decfc78ea894203ef57400e1378219b452ab85

SHA256
6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388

SHA512
371db6dd0f50770af5f4d73f8f0ebeb157b1fd802c5f1c734276e47d320c7e22638a115dbae1250818f006bb4d1d44e4d12850de61323466b931fbd86e164691

Download Submit
C:\Windows\Microsoft.NET\Framework64\svchost.exe

Filesize
15.0MB

MD5
3f3da8bac0a5a861bb9d8cc338277cec

SHA1
c4decfc78ea894203ef57400e1378219b452ab85

SHA256
6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388

SHA512
371db6dd0f50770af5f4d73f8f0ebeb157b1fd802c5f1c734276e47d320c7e22638a115dbae1250818f006bb4d1d44e4d12850de61323466b931fbd86e164691

Download Submit
C:\Windows\Microsoft.NET\Framework64\svchost.exe

Filesize
15.0MB

MD5
3f3da8bac0a5a861bb9d8cc338277cec

SHA1
c4decfc78ea894203ef57400e1378219b452ab85

SHA256
6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388

SHA512
371db6dd0f50770af5f4d73f8f0ebeb157b1fd802c5f1c734276e47d320c7e22638a115dbae1250818f006bb4d1d44e4d12850de61323466b931fbd86e164691

Download Submit
C:\Windows\Microsoft.NET\Framework64\svchost.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
\Windows\Microsoft.NET\Framework64\svchost.exe

Filesize
15.0MB

MD5
3f3da8bac0a5a861bb9d8cc338277cec

SHA1
c4decfc78ea894203ef57400e1378219b452ab85

SHA256
6d06740fbd595b66c802c2c32fbef399cc1b3dfec45722b67534bf597ee7a388

SHA512
371db6dd0f50770af5f4d73f8f0ebeb157b1fd802c5f1c734276e47d320c7e22638a115dbae1250818f006bb4d1d44e4d12850de61323466b931fbd86e164691

Download Submit
memory/364-83-0x0000000000C10000-0x0000000000C18000-memory.dmp

Filesize
32KB

Download
memory/1064-87-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/1304-85-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

Filesize
256KB

Download
memory/1304-73-0x00000000021C0000-0x00000000021D0000-memory.dmp

Filesize
64KB

Download
memory/1304-70-0x0000000002030000-0x000000000207E000-memory.dmp

Filesize
312KB

Download
memory/1304-69-0x0000000000880000-0x0000000000972000-memory.dmp

Filesize
968KB

Download
memory/1304-71-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

Filesize
256KB

Download
memory/1304-72-0x0000000002170000-0x0000000002188000-memory.dmp

Filesize
96KB

Download
memory/1304-88-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

Filesize
256KB

Download
memory/1304-89-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

Filesize
256KB

Download
memory/1556-58-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download
memory/1556-54-0x00000000008E0000-0x00000000009D2000-memory.dmp

Filesize
968KB

Download
memory/1556-57-0x0000000000890000-0x00000000008D0000-memory.dmp

Filesize
256KB

Download
memory/1556-56-0x0000000000520000-0x000000000057C000-memory.dmp

Filesize
368KB

Download
memory/1556-55-0x00000000004B0000-0x00000000004BE000-memory.dmp

Filesize
56KB

Download