orcus | 29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6

General

Target

29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
Size

917KB
MD5

8cfb9da9582d67319cbffb3d57c83d5c
SHA1

e452572577424d9740b07b3119c9442d46208a55
SHA256

29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6
SHA512

fa92188051c9ff9720ca9ff4c9fd7b8672c192921f19aad956ad6253d3366b0f7c3379ea2b0b439fcaea301166644aab148528f338bbe74e52035fbefd55820f
SSDEEP

24576:W554MROxnFH3WIBM4irrcI0AilFEvxHPnTooe:WQMihWeirrcI0AilFEvxHPn

Score

10^/10

orcus lesha rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Lesha

C2

127.0.0.1:1268

Mutex

1be714c0b4c0462db71afc6acd175bfc

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
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/0x0007000000015d79-29.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2188-0-0x00000000011D0000-0x00000000012BC000-memory.dmp	orcus
behavioral1/files/0x0007000000015d79-29.dat	orcus
behavioral1/memory/776-37-0x0000000000210000-0x00000000002FC000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
3040	WindowsInput.exe
2560	WindowsInput.exe
776	Orcus.exe
2788	Orcus.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.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	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	776	Orcus.exe
Token: SeDebugPrivilege	2788	Orcus.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
776	Orcus.exe
2788	Orcus.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
776	Orcus.exe
2788	Orcus.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
776	Orcus.exe
2788	Orcus.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 3040	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	28
PID 2188 wrote to memory of 3040	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	28
PID 2188 wrote to memory of 3040	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	28
PID 2188 wrote to memory of 3040	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	28
PID 2188 wrote to memory of 776	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	30
PID 2188 wrote to memory of 776	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	30
PID 2188 wrote to memory of 776	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	30
PID 2188 wrote to memory of 776	2188	29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe	30
PID 2944 wrote to memory of 2788	2944	taskeng.exe	32
PID 2944 wrote to memory of 2788	2944	taskeng.exe	32
PID 2944 wrote to memory of 2788	2944	taskeng.exe	32
PID 2944 wrote to memory of 2788	2944	taskeng.exe	32

C:\Users\Admin\AppData\Local\Temp\29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe
"C:\Users\Admin\AppData\Local\Temp\29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3040
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:776

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2560

C:\Windows\system32\taskeng.exe
taskeng.exe {AFE74AE4-5CB3-46E3-8D05-AA1770AF8095} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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
917KB

MD5
8cfb9da9582d67319cbffb3d57c83d5c

SHA1
e452572577424d9740b07b3119c9442d46208a55

SHA256
29a095ca89e6d3c30244e182fb6a93cd83ca3baa9996ca5d852d3a9a60639ee6

SHA512
fa92188051c9ff9720ca9ff4c9fd7b8672c192921f19aad956ad6253d3366b0f7c3379ea2b0b439fcaea301166644aab148528f338bbe74e52035fbefd55820f

Download Submit
\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
memory/776-39-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/776-47-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/776-42-0x0000000004330000-0x0000000004340000-memory.dmp

Filesize
64KB

Download
memory/776-36-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/776-41-0x0000000002120000-0x0000000002138000-memory.dmp

Filesize
96KB

Download
memory/776-37-0x0000000000210000-0x00000000002FC000-memory.dmp

Filesize
944KB

Download
memory/776-50-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/776-40-0x00000000020C0000-0x000000000210E000-memory.dmp

Filesize
312KB

Download
memory/776-38-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/2188-1-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/2188-0-0x00000000011D0000-0x00000000012BC000-memory.dmp

Filesize
944KB

Download
memory/2188-5-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2188-3-0x0000000000380000-0x000000000038E000-memory.dmp

Filesize
56KB

Download
memory/2188-4-0x00000000009F0000-0x0000000000A4C000-memory.dmp

Filesize
368KB

Download
memory/2188-2-0x0000000000FE0000-0x0000000001020000-memory.dmp

Filesize
256KB

Download
memory/2188-6-0x0000000000590000-0x0000000000598000-memory.dmp

Filesize
32KB

Download
memory/2188-35-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/2560-51-0x000007FEF54B0000-0x000007FEF5E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2560-22-0x0000000000F20000-0x0000000000F2C000-memory.dmp

Filesize
48KB

Download
memory/2560-23-0x000007FEF54B0000-0x000007FEF5E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2560-24-0x0000000000570000-0x00000000005F0000-memory.dmp

Filesize
512KB

Download
memory/2788-45-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-46-0x0000000004A10000-0x0000000004A50000-memory.dmp

Filesize
256KB

Download
memory/2788-48-0x0000000004A10000-0x0000000004A50000-memory.dmp

Filesize
256KB

Download
memory/2788-49-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/3040-20-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

Filesize
9.9MB

Download
memory/3040-17-0x000000001AE30000-0x000000001AEB0000-memory.dmp

Filesize
512KB

Download
memory/3040-16-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

Filesize
9.9MB

Download
memory/3040-15-0x0000000000050000-0x000000000005C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing