orcus | 071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 01:02

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General

Target

071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
Size

924KB
MD5

29afdcfe266af8444aafbc4725d63ae5
SHA1

ed72a7261a22fa5335a8830d757d909b3620a840
SHA256

071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da
SHA512

4de70d4c4742faaa349ff6aa8908b28825edf90ee32ef27c7a494808c3ca50d12eb0736e6e8c791fa63e03ae08200ca50f58df5f9661756cff3422c3ca2429e2
SSDEEP

24576:CIY4MROxnFE38O3IrrcI0AilFEvxHPwKoob:CaMiuZIrrcI0AilFEvxHPw

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.0.101:5656

Mutex

33fdee79e66a4cc2b2137624e8250ad4

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
executor
taskscheduler_taskname
Solaras
watchdog_path
AppData\Solara.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/0x0009000000016d51-28.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2344-1-0x0000000000C50000-0x0000000000D3E000-memory.dmp	orcus
behavioral1/files/0x0009000000016d51-28.dat	orcus
behavioral1/memory/2500-35-0x0000000000BB0000-0x0000000000C9E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2596	WindowsInput.exe
2564	WindowsInput.exe
2500	Orcus.exe
2828	Orcus.exe
2184	Solara.exe
292	Solara.exe

Loads dropped DLL 3 IoCs

pid	Process
2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
2500	Orcus.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.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
2500	Orcus.exe
2500	Orcus.exe
2500	Orcus.exe
292	Solara.exe
292	Solara.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe
2500	Orcus.exe
292	Solara.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	Orcus.exe
Token: SeDebugPrivilege	2184	Solara.exe
Token: SeDebugPrivilege	292	Solara.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2500	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2500	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2500	Orcus.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2596	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	29
PID 2344 wrote to memory of 2596	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	29
PID 2344 wrote to memory of 2596	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	29
PID 2344 wrote to memory of 2596	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	29
PID 2344 wrote to memory of 2500	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	31
PID 2344 wrote to memory of 2500	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	31
PID 2344 wrote to memory of 2500	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	31
PID 2344 wrote to memory of 2500	2344	071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe	31
PID 2968 wrote to memory of 2828	2968	taskeng.exe	33
PID 2968 wrote to memory of 2828	2968	taskeng.exe	33
PID 2968 wrote to memory of 2828	2968	taskeng.exe	33
PID 2968 wrote to memory of 2828	2968	taskeng.exe	33
PID 2500 wrote to memory of 2184	2500	Orcus.exe	34
PID 2500 wrote to memory of 2184	2500	Orcus.exe	34
PID 2500 wrote to memory of 2184	2500	Orcus.exe	34
PID 2500 wrote to memory of 2184	2500	Orcus.exe	34
PID 2184 wrote to memory of 292	2184	Solara.exe	35
PID 2184 wrote to memory of 292	2184	Solara.exe	35
PID 2184 wrote to memory of 292	2184	Solara.exe	35
PID 2184 wrote to memory of 292	2184	Solara.exe	35

C:\Users\Admin\AppData\Local\Temp\071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe
"C:\Users\Admin\AppData\Local\Temp\071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2596
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Users\Admin\AppData\Roaming\Solara.exe
    "C:\Users\Admin\AppData\Roaming\Solara.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2500 /protectFile
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Users\Admin\AppData\Roaming\Solara.exe
      "C:\Users\Admin\AppData\Roaming\Solara.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2500 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:292

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2564

C:\Windows\system32\taskeng.exe
taskeng.exe {87D66285-148E-40B5-ADE3-2783769C309A} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:2828

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\Roaming\Orcus\err_33fdee79e66a4cc2b2137624e8250ad4.dat

Filesize
1KB

MD5
d83491b9c711ec7f869d8b1275fd27a8

SHA1
f8c456934de0f8f554f71bcde416c6f697f01ef4

SHA256
b2d239316fb20837be85bbcea26568903833b68cba3a12161faa0c5c44b44acb

SHA512
394d8f72e3958c8b49b4522a246d355a119480b1df51ef216350635a4eaf3f8a43b5bb9d045d8aa9dc3ce36784f45f1e9e2ace872cf6b50fb816db54b4494497

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
924KB

MD5
29afdcfe266af8444aafbc4725d63ae5

SHA1
ed72a7261a22fa5335a8830d757d909b3620a840

SHA256
071072d35d25a35b3b83cf879c3abec0cbc8b04fd6302c5f6f5380d3576a09da

SHA512
4de70d4c4742faaa349ff6aa8908b28825edf90ee32ef27c7a494808c3ca50d12eb0736e6e8c791fa63e03ae08200ca50f58df5f9661756cff3422c3ca2429e2

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/2184-52-0x0000000000950000-0x0000000000958000-memory.dmp

Filesize
32KB

Download
memory/2344-6-0x0000000000610000-0x0000000000618000-memory.dmp

Filesize
32KB

Download
memory/2344-34-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-0-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/2344-5-0x00000000004F0000-0x0000000000502000-memory.dmp

Filesize
72KB

Download
memory/2344-1-0x0000000000C50000-0x0000000000D3E000-memory.dmp

Filesize
952KB

Download
memory/2344-2-0x0000000000330000-0x000000000033E000-memory.dmp

Filesize
56KB

Download
memory/2344-7-0x0000000000620000-0x0000000000628000-memory.dmp

Filesize
32KB

Download
memory/2344-3-0x0000000004AF0000-0x0000000004B4C000-memory.dmp

Filesize
368KB

Download
memory/2344-4-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-39-0x0000000000B60000-0x0000000000BAE000-memory.dmp

Filesize
312KB

Download
memory/2500-35-0x0000000000BB0000-0x0000000000C9E000-memory.dmp

Filesize
952KB

Download
memory/2500-36-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2500-40-0x0000000004870000-0x0000000004888000-memory.dmp

Filesize
96KB

Download
memory/2500-41-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2596-22-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download
memory/2596-19-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download
memory/2596-18-0x0000000001140000-0x000000000114C000-memory.dmp

Filesize
48KB

Download
memory/2596-16-0x000007FEF54E3000-0x000007FEF54E4000-memory.dmp

Filesize
4KB

Download