orcus | 7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 01:05

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General

Target

7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
Size

924KB
MD5

341714db087bd7bfe3d65cab7dccb3b7
SHA1

1c2f9668fe0d6e548570064ad1f5349239c88761
SHA256

7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8
SHA512

05df013b6cbc310e61b36fd77475802c465f2fc0a64bcae744518de73b91e14a51506cec08e30f9aad12b02d9e81e56462fd54a656aad3306293b1a53da6bf09
SSDEEP

24576:bCC4MROxnFE3mi+rrcI0AilFEvxHP+ooM:bKMiup+rrcI0AilFEvxHP

Score

10^/10

orcus test_leo_fake discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

TEST_LEO_FAKE

0.0.0.0:1268

Mutex

4b7e745d24cf405ca3d04bd10e33b1c6

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Windows_Defender\Defender.exe
reconnect_delay
10000
registry_keyname
W_Defender
taskscheduler_taskname
Orcus
watchdog_path
AppData\Defender.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
behavioral1/files/0x0007000000016d46-31.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2560-1-0x0000000001230000-0x000000000131E000-memory.dmp	orcus
behavioral1/files/0x0007000000016d46-31.dat	orcus
behavioral1/memory/812-37-0x00000000008E0000-0x00000000009CE000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2820	WindowsInput.exe
3044	WindowsInput.exe
812	Defender.exe
1416	Defender.exe
2976	Defender.exe
3000	Defender.exe

Loads dropped DLL 3 IoCs

pid	Process
2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
812	Defender.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\W_Defender = "\"C:\\Program Files (x86)\\Windows_Defender\\Defender.exe\""	Defender.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Windows_Defender\Defender.exe	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
File created	C:\Program Files (x86)\Windows_Defender\Defender.exe.config	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
File created	C:\Program Files (x86)\Windows_Defender\Defender.exe	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.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	Defender.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Defender.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Defender.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Defender.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3000	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe
812	Defender.exe
3000	Defender.exe
3000	Defender.exe
812	Defender.exe
812	Defender.exe
3000	Defender.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	Defender.exe
Token: SeDebugPrivilege	2976	Defender.exe
Token: SeDebugPrivilege	3000	Defender.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
812	Defender.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2820	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	32
PID 2560 wrote to memory of 2820	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	32
PID 2560 wrote to memory of 2820	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	32
PID 2560 wrote to memory of 2820	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	32
PID 2560 wrote to memory of 812	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	34
PID 2560 wrote to memory of 812	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	34
PID 2560 wrote to memory of 812	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	34
PID 2560 wrote to memory of 812	2560	7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe	34
PID 1036 wrote to memory of 1416	1036	taskeng.exe	36
PID 1036 wrote to memory of 1416	1036	taskeng.exe	36
PID 1036 wrote to memory of 1416	1036	taskeng.exe	36
PID 1036 wrote to memory of 1416	1036	taskeng.exe	36
PID 812 wrote to memory of 2976	812	Defender.exe	37
PID 812 wrote to memory of 2976	812	Defender.exe	37
PID 812 wrote to memory of 2976	812	Defender.exe	37
PID 812 wrote to memory of 2976	812	Defender.exe	37
PID 2976 wrote to memory of 3000	2976	Defender.exe	38
PID 2976 wrote to memory of 3000	2976	Defender.exe	38
PID 2976 wrote to memory of 3000	2976	Defender.exe	38
PID 2976 wrote to memory of 3000	2976	Defender.exe	38

C:\Users\Admin\AppData\Local\Temp\7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe
"C:\Users\Admin\AppData\Local\Temp\7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2820
- C:\Program Files (x86)\Windows_Defender\Defender.exe
  "C:\Program Files (x86)\Windows_Defender\Defender.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:812
- - C:\Users\Admin\AppData\Roaming\Defender.exe
    "C:\Users\Admin\AppData\Roaming\Defender.exe" /launchSelfAndExit "C:\Program Files (x86)\Windows_Defender\Defender.exe" 812 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Users\Admin\AppData\Roaming\Defender.exe
      "C:\Users\Admin\AppData\Roaming\Defender.exe" /watchProcess "C:\Program Files (x86)\Windows_Defender\Defender.exe" 812 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3000

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:3044

C:\Windows\system32\taskeng.exe
taskeng.exe {E0D674A1-2F37-478A-B8DB-FC0337124B0E} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Program Files (x86)\Windows_Defender\Defender.exe
  "C:\Program Files (x86)\Windows_Defender\Defender.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Windows_Defender\Defender.exe

Filesize
924KB

MD5
341714db087bd7bfe3d65cab7dccb3b7

SHA1
1c2f9668fe0d6e548570064ad1f5349239c88761

SHA256
7b9f174ec0e6bcd199131ffaa876aa6c84a1233bb12d62c2851ab7e950fb39b8

SHA512
05df013b6cbc310e61b36fd77475802c465f2fc0a64bcae744518de73b91e14a51506cec08e30f9aad12b02d9e81e56462fd54a656aad3306293b1a53da6bf09

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\Files\err_4b7e745d24cf405ca3d04bd10e33b1c6.dat

Filesize
1KB

MD5
6eba8379c42f61b3193ccb40d14b82bc

SHA1
31d1f56199dde457ec7bcd4d5aee0c7d97951467

SHA256
ea3e8839f481e89712ce0612902077336860cc09c5897feb979f8534f136a75e

SHA512
7b7abf50138b1bc597909849de647d500c1997b6781c48179a85f799717216601ba11e75375ebacabbe090412b2fc47c039a4daa84a81115ce9123f3a5f6956e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/812-43-0x0000000004C20000-0x0000000004C30000-memory.dmp

Filesize
64KB

Download
memory/812-42-0x0000000004BE0000-0x0000000004BF8000-memory.dmp

Filesize
96KB

Download
memory/812-41-0x0000000004300000-0x000000000434E000-memory.dmp

Filesize
312KB

Download
memory/812-38-0x0000000000670000-0x0000000000682000-memory.dmp

Filesize
72KB

Download
memory/812-37-0x00000000008E0000-0x00000000009CE000-memory.dmp

Filesize
952KB

Download
memory/2560-6-0x0000000000820000-0x0000000000828000-memory.dmp

Filesize
32KB

Download
memory/2560-4-0x0000000000A20000-0x0000000000A7C000-memory.dmp

Filesize
368KB

Download
memory/2560-1-0x0000000001230000-0x000000000131E000-memory.dmp

Filesize
952KB

Download
memory/2560-2-0x0000000000300000-0x000000000030E000-memory.dmp

Filesize
56KB

Download
memory/2560-3-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-5-0x00000000007C0000-0x00000000007D2000-memory.dmp

Filesize
72KB

Download
memory/2560-36-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-7-0x0000000000830000-0x0000000000838000-memory.dmp

Filesize
32KB

Download
memory/2560-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2820-16-0x000007FEF5E83000-0x000007FEF5E84000-memory.dmp

Filesize
4KB

Download
memory/2820-18-0x0000000000030000-0x000000000003C000-memory.dmp

Filesize
48KB

Download
memory/2820-22-0x000007FEF5E80000-0x000007FEF686C000-memory.dmp

Filesize
9.9MB

Download
memory/2820-19-0x000007FEF5E80000-0x000007FEF686C000-memory.dmp

Filesize
9.9MB

Download
memory/2976-54-0x00000000008A0000-0x00000000008A8000-memory.dmp

Filesize
32KB

Download
memory/3044-24-0x00000000008B0000-0x00000000008BC000-memory.dmp

Filesize
48KB

Download