orcus | 4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 01:12

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General

Target

4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe
Size

917KB
MD5

ee128fdc0c14610f0e94610332c8f189
SHA1

d29af3db2e278549e22fa7b8bd939b581b34150c
SHA256

4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0
SHA512

884fd9316c51a91c2fba4222bfed7a4667fffc056715cda7591d49ab26e2c161365451123b667ab6fe4a1269b139aeba6f02ee460173fda7b8cee8e10918e9fd
SSDEEP

24576:2CC4MROxnFi33snrrcI0AilFEvxHPDooW:2KMiocnrrcI0AilFEvxHP

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

live-promotions.gl.at.ply.gg:51701

Mutex

3c04931e3f454403ae52495677e37b6f

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.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/0x000800000001566b-13.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/3000-1-0x0000000000AD0000-0x0000000000BBA000-memory.dmp	orcus
behavioral1/files/0x000800000001566b-13.dat	orcus
behavioral1/memory/2652-20-0x0000000000980000-0x0000000000A6A000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2652	Orcus.exe
2436	Orcus.exe
660	OrcusWatchdog.exe
2996	OrcusWatchdog.exe

Loads dropped DLL 3 IoCs

pid	Process
3000	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe
2652	Orcus.exe
660	OrcusWatchdog.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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.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
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe
2996	OrcusWatchdog.exe
2652	Orcus.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	Orcus.exe
Token: SeDebugPrivilege	660	OrcusWatchdog.exe
Token: SeDebugPrivilege	2996	OrcusWatchdog.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2652	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2652	Orcus.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2652	3000	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe	29
PID 3000 wrote to memory of 2652	3000	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe	29
PID 3000 wrote to memory of 2652	3000	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe	29
PID 3000 wrote to memory of 2652	3000	4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe	29
PID 2808 wrote to memory of 2436	2808	taskeng.exe	31
PID 2808 wrote to memory of 2436	2808	taskeng.exe	31
PID 2808 wrote to memory of 2436	2808	taskeng.exe	31
PID 2808 wrote to memory of 2436	2808	taskeng.exe	31
PID 2652 wrote to memory of 660	2652	Orcus.exe	32
PID 2652 wrote to memory of 660	2652	Orcus.exe	32
PID 2652 wrote to memory of 660	2652	Orcus.exe	32
PID 2652 wrote to memory of 660	2652	Orcus.exe	32
PID 660 wrote to memory of 2996	660	OrcusWatchdog.exe	33
PID 660 wrote to memory of 2996	660	OrcusWatchdog.exe	33
PID 660 wrote to memory of 2996	660	OrcusWatchdog.exe	33
PID 660 wrote to memory of 2996	660	OrcusWatchdog.exe	33

C:\Users\Admin\AppData\Local\Temp\4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe
"C:\Users\Admin\AppData\Local\Temp\4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2652 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:660
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2652 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2996

C:\Windows\system32\taskeng.exe
taskeng.exe {798EBC87-F3ED-4FFF-987A-834F72D4D2D2} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:2436

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_3c04931e3f454403ae52495677e37b6f.dat

Filesize
1KB

MD5
20a7e5c75dcb4e039f97a51f78882224

SHA1
1db82f300b080ccefe7f9e45b6d70eeffdef415e

SHA256
683b0da6c16f972ab4154250c8b25b2afce9a13418ccc3ca49c43888fe841bda

SHA512
8a899f5d166e3b672340777b95b11d1ad4af9958e7d9083b9d335e4c4e4cd9135287ee4bd2feff58483b8d188c4dc28607258f9a9d14b8370a96ddfc36dd76c5

Download Submit
\Program Files (x86)\Orcus\Orcus.exe

Filesize
917KB

MD5
ee128fdc0c14610f0e94610332c8f189

SHA1
d29af3db2e278549e22fa7b8bd939b581b34150c

SHA256
4ee61198bf5742ab2497f9034e73299052e4cf8d6f04ef72393f07ff8ca27dc0

SHA512
884fd9316c51a91c2fba4222bfed7a4667fffc056715cda7591d49ab26e2c161365451123b667ab6fe4a1269b139aeba6f02ee460173fda7b8cee8e10918e9fd

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
memory/660-38-0x0000000000CB0000-0x0000000000CB8000-memory.dmp

Filesize
32KB

Download
memory/2652-25-0x0000000004BD0000-0x0000000004C1E000-memory.dmp

Filesize
312KB

Download
memory/2652-26-0x0000000004B70000-0x0000000004B88000-memory.dmp

Filesize
96KB

Download
memory/2652-42-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-41-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-22-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-21-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-20-0x0000000000980000-0x0000000000A6A000-memory.dmp

Filesize
936KB

Download
memory/2652-27-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/3000-3-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/3000-6-0x00000000009B0000-0x00000000009B8000-memory.dmp

Filesize
32KB

Download
memory/3000-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/3000-4-0x0000000000A00000-0x0000000000A5C000-memory.dmp

Filesize
368KB

Download
memory/3000-19-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/3000-2-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3000-1-0x0000000000AD0000-0x0000000000BBA000-memory.dmp

Filesize
936KB

Download
memory/3000-5-0x0000000000990000-0x00000000009A2000-memory.dmp

Filesize
72KB

Download
memory/3000-7-0x0000000000AA0000-0x0000000000AA8000-memory.dmp

Filesize
32KB

Download