orcus | 57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953

Analysis

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

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 02:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe
Size

10.9MB
MD5

f82c196dd344898078ddf662370c343f
SHA1

3d16c0b5913ea39641d3e35716a7898b4495e1f2
SHA256

57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953
SHA512

2477b4742d8dd332e8e3ef868788fa7e8d6b81b26b72434cc485ec386b7e932e6b6dea89fe5c89b7dab8aa847809cb0281302f21463d25c17260560aa229b538
SSDEEP

24576:kGq4MROxnFE33O3BrrcI0AilFEvxHPXoop:kuMiuMBrrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

158.46.224.152:5552

Mutex

0910294482b74b1d8edb1d40e5ed1df5

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programdata%\svchost.exe
reconnect_delay
10000
registry_keyname
sysb
taskscheduler_taskname
sysb
watchdog_path
Temp\taskhostw.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/0x0007000000015c6b-28.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/1368-1-0x00000000000B0000-0x000000000019E000-memory.dmp	orcus
behavioral1/files/0x0007000000015c6b-28.dat	orcus
behavioral1/memory/2572-34-0x0000000001350000-0x000000000143E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2156	WindowsInput.exe
2688	WindowsInput.exe
2572	svchost.exe
1936	svchost.exe
852	taskhostw.exe
2768	taskhostw.exe

Loads dropped DLL 4 IoCs

pid	Process
1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe
1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe
2572	svchost.exe
852	taskhostw.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.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
2768	taskhostw.exe
2768	taskhostw.exe
2768	taskhostw.exe
2572	svchost.exe
2572	svchost.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe
2768	taskhostw.exe
2572	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	svchost.exe
Token: SeDebugPrivilege	852	taskhostw.exe
Token: SeDebugPrivilege	2768	taskhostw.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2572	svchost.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2572	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2156	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	29
PID 1368 wrote to memory of 2156	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	29
PID 1368 wrote to memory of 2156	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	29
PID 1368 wrote to memory of 2156	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	29
PID 1368 wrote to memory of 2572	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	31
PID 1368 wrote to memory of 2572	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	31
PID 1368 wrote to memory of 2572	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	31
PID 1368 wrote to memory of 2572	1368	57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe	31
PID 2108 wrote to memory of 1936	2108	taskeng.exe	33
PID 2108 wrote to memory of 1936	2108	taskeng.exe	33
PID 2108 wrote to memory of 1936	2108	taskeng.exe	33
PID 2108 wrote to memory of 1936	2108	taskeng.exe	33
PID 2572 wrote to memory of 852	2572	svchost.exe	34
PID 2572 wrote to memory of 852	2572	svchost.exe	34
PID 2572 wrote to memory of 852	2572	svchost.exe	34
PID 2572 wrote to memory of 852	2572	svchost.exe	34
PID 852 wrote to memory of 2768	852	taskhostw.exe	35
PID 852 wrote to memory of 2768	852	taskhostw.exe	35
PID 852 wrote to memory of 2768	852	taskhostw.exe	35
PID 852 wrote to memory of 2768	852	taskhostw.exe	35

C:\Users\Admin\AppData\Local\Temp\57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe
"C:\Users\Admin\AppData\Local\Temp\57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2156
- C:\ProgramData\svchost.exe
  "C:\ProgramData\svchost.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 WriteProcessMemory
  PID:2572
- - C:\Users\Admin\AppData\Local\Temp\taskhostw.exe
    "C:\Users\Admin\AppData\Local\Temp\taskhostw.exe" /launchSelfAndExit "C:\ProgramData\svchost.exe" 2572 /protectFile
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:852
  - - C:\Users\Admin\AppData\Local\Temp\taskhostw.exe
      "C:\Users\Admin\AppData\Local\Temp\taskhostw.exe" /watchProcess "C:\ProgramData\svchost.exe" 2572 "/protectFile"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2768

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2688

C:\Windows\system32\taskeng.exe
taskeng.exe {C3CDBCC1-E1A1-4AF6-BEE1-D6BE733FE94F} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2108
- C:\ProgramData\svchost.exe
  C:\ProgramData\svchost.exe
  2⤵
  - Executes dropped EXE
  PID:1936

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\err_0910294482b74b1d8edb1d40e5ed1df5.dat

Filesize
1KB

MD5
440bb6ffc402a4e636e2429772fb4d08

SHA1
b8b15bd90cd4b46f973ea767be4cd81d6ac13c6d

SHA256
c0e51b10daf68b7f560c1bb7807049eafb948023587380294cfb03235b6f6e58

SHA512
e01d7ac0ca24ff441b56050edc791ace9b21afeb3483f510eda159e83858639e3e357ae3e6b7b962699e490fd6d24c096643c1e5f373e4cd347130948c3c64ca

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\ProgramData\svchost.exe

Filesize
10.9MB

MD5
f82c196dd344898078ddf662370c343f

SHA1
3d16c0b5913ea39641d3e35716a7898b4495e1f2

SHA256
57d928a5a5d7170e8645f27bcb57f3c6f26ea937cb57a930ce291ed8a3b65953

SHA512
2477b4742d8dd332e8e3ef868788fa7e8d6b81b26b72434cc485ec386b7e932e6b6dea89fe5c89b7dab8aa847809cb0281302f21463d25c17260560aa229b538

Download Submit
\Users\Admin\AppData\Local\Temp\taskhostw.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/852-52-0x0000000001090000-0x0000000001098000-memory.dmp

Filesize
32KB

Download
memory/1368-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1368-2-0x00000000002A0000-0x00000000002AE000-memory.dmp

Filesize
56KB

Download
memory/1368-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/1368-5-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/1368-4-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/1368-7-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/1368-35-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/1368-1-0x00000000000B0000-0x000000000019E000-memory.dmp

Filesize
952KB

Download
memory/1368-3-0x0000000000510000-0x000000000056C000-memory.dmp

Filesize
368KB

Download
memory/2156-16-0x000007FEF4E43000-0x000007FEF4E44000-memory.dmp

Filesize
4KB

Download
memory/2156-18-0x0000000001320000-0x000000000132C000-memory.dmp

Filesize
48KB

Download
memory/2156-19-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download
memory/2156-22-0x000007FEF4E40000-0x000007FEF582C000-memory.dmp

Filesize
9.9MB

Download
memory/2572-34-0x0000000001350000-0x000000000143E000-memory.dmp

Filesize
952KB

Download
memory/2572-40-0x0000000000D60000-0x0000000000D78000-memory.dmp

Filesize
96KB

Download
memory/2572-41-0x0000000001200000-0x0000000001210000-memory.dmp

Filesize
64KB

Download
memory/2572-39-0x0000000001190000-0x00000000011DE000-memory.dmp

Filesize
312KB

Download
memory/2572-36-0x0000000000360000-0x0000000000372000-memory.dmp

Filesize
72KB

Download