orcus | 43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3

General

Target

43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe
Size

5.0MB
MD5

a846562bd184159534ac6b3d620ca797
SHA1

a6b359a0c8b73437cd9e767dca3c235879efc61d
SHA256

43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3
SHA512

7a5d8d56d04bab387234e6b7cc09166d57f9e2c3afd45c5fa8d72ac34e61b36bd071c3f9978ada031c5b15262ae9818dd173fa527a6a6b404b2927a13c6a45ad
SSDEEP

12288:roHWszy2LkjKgEX0pq5g7dG1lFlWcYT70pxnnaaoaw1m9cfpCt6IV641rZNrI0A:feu4MROxnF0qrZlI0AilFEvxHiii3

Score

10^/10

orcus лох rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

лох

C2

0.0.0.0:1268

Mutex

2238131840d049628c048d3c6288c463

Attributes

autostart_method
TaskScheduler
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 family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015e48-42.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015e48-42.dat	orcus
behavioral1/memory/2624-43-0x0000000000C80000-0x0000000000D6A000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2708	WindowsInput.exe
2712	WindowsInput.exe
2624	Orcus.exe
2216	Orcus.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.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\Orcus\Orcus.exe	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	Orcus.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 3040	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	30
PID 1696 wrote to memory of 3040	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	30
PID 1696 wrote to memory of 3040	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	30
PID 3040 wrote to memory of 2096	3040	csc.exe	32
PID 3040 wrote to memory of 2096	3040	csc.exe	32
PID 3040 wrote to memory of 2096	3040	csc.exe	32
PID 1696 wrote to memory of 2708	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	33
PID 1696 wrote to memory of 2708	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	33
PID 1696 wrote to memory of 2708	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	33
PID 1696 wrote to memory of 2624	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	35
PID 1696 wrote to memory of 2624	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	35
PID 1696 wrote to memory of 2624	1696	43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe	35
PID 2748 wrote to memory of 2216	2748	taskeng.exe	37
PID 2748 wrote to memory of 2216	2748	taskeng.exe	37
PID 2748 wrote to memory of 2216	2748	taskeng.exe	37

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe
"C:\Users\Admin\AppData\Local\Temp\43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\aqwu8qvr.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB59A.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCB599.tmp"
    3⤵
    PID:2096
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2708
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2624

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2712

C:\Windows\system32\taskeng.exe
taskeng.exe {8DB95D66-56AD-4C39-97A4-C1EAB5FD9CB7} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Orcus\Orcus.exe

Filesize
5.0MB

MD5
a846562bd184159534ac6b3d620ca797

SHA1
a6b359a0c8b73437cd9e767dca3c235879efc61d

SHA256
43e36fd935092b8ac4c90d77c5fc81ef31b0e917aea3e081f246341ff7532ae3

SHA512
7a5d8d56d04bab387234e6b7cc09166d57f9e2c3afd45c5fa8d72ac34e61b36bd071c3f9978ada031c5b15262ae9818dd173fa527a6a6b404b2927a13c6a45ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESB59A.tmp

Filesize
1KB

MD5
f7fa7cd19960648dbd4cba20ff6754df

SHA1
03461e06025911683937fc3582aca7315c39ebf2

SHA256
99bde0817e66de05d0a09ae086f8784d895fb0c198396b2d020f47d9ed7b29d5

SHA512
4936a27df21307b4b38a4a3276ae01c1d60a981d757c231fba793a4bf3637fd2f94588fc167c2c9fc43115bbb105a8e158d4aeaed3c75a77b77bd64f7f66045b

Download Submit
C:\Users\Admin\AppData\Local\Temp\aqwu8qvr.dll

Filesize
76KB

MD5
f1d60b499461a6e35ff21b11048d7aa2

SHA1
3da961f7fa9cfedba1d7becd9498906473dd01d8

SHA256
80e76535337b6c442e3602288981025440c6ddaf3010f3a742a86c21b9ea9609

SHA512
b5e7bdaad4a640ccd2999d6d7a42ff1b42c8876c99f4e1feb87025cbab1de06730626102206e3c8f7f188aad365e5c2ba84e1d6cfbb062c8b1ce7dcf2e14d599

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

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCB599.tmp

Filesize
676B

MD5
e74ae453671704e7b2b4c80f6efd3fd7

SHA1
5f700c2ca842694f61d405f7b298b92a1348e95e

SHA256
7bdbfa1d50748b95c265833fdb5c8611ad166384468a7a392c8b8b2c2a136374

SHA512
2fd82abbf3b77bdfa38de73b82417f9484903386bec6d89f281bdf389f6f41b67f1c76013869ce616bb3fbc833f26fde3f33afc9603d39d1ec0d014993981129

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\aqwu8qvr.0.cs

Filesize
208KB

MD5
2b14ae8b54d216abf4d228493ceca44a

SHA1
d134351498e4273e9d6391153e35416bc743adef

SHA256
4e1cc3da1f7bf92773aae6cffa6d61bfc3e25aead3ad947f6215f93a053f346c

SHA512
5761b605add10ae3ef80f3b8706c8241b4e8abe4ac3ce36b7be8a97d08b08da5a72fedd5e976b3c9e1c463613a943ebb5d323e6a075ef6c7c3b1abdc0d53ac05

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\aqwu8qvr.cmdline

Filesize
349B

MD5
62bd4cef12809b6c5f2ca87911281f87

SHA1
1ae243c05323ba94224e00138e3e7b2451f5a2af

SHA256
cf68678857681e2c09b829c36c7d585fab1d8d062b0a4d10cbe6547c7ecff50d

SHA512
6264e345e9fc90436f1d1d2ca0f8b6f6a82358bbbac1f546da0a45bd474cc2fca844aad24c04b52a68c85bef60e45685a3c8e7f472dc201501f51b42befd6840

Download Submit
memory/1696-19-0x0000000000F20000-0x0000000000F36000-memory.dmp

Filesize
88KB

Download
memory/1696-44-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1696-2-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/1696-4-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1696-0-0x000007FEF58AE000-0x000007FEF58AF000-memory.dmp

Filesize
4KB

Download
memory/1696-21-0x00000000002C0000-0x00000000002D2000-memory.dmp

Filesize
72KB

Download
memory/1696-22-0x00000000003D0000-0x00000000003D8000-memory.dmp

Filesize
32KB

Download
memory/1696-3-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/1696-1-0x0000000000690000-0x00000000006EC000-memory.dmp

Filesize
368KB

Download
memory/2624-43-0x0000000000C80000-0x0000000000D6A000-memory.dmp

Filesize
936KB

Download
memory/2624-45-0x0000000002180000-0x00000000021CE000-memory.dmp

Filesize
312KB

Download
memory/2624-46-0x00000000023C0000-0x00000000023D8000-memory.dmp

Filesize
96KB

Download
memory/2624-47-0x00000000023E0000-0x00000000023F0000-memory.dmp

Filesize
64KB

Download
memory/2708-30-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

Filesize
48KB

Download
memory/2712-34-0x00000000010F0000-0x00000000010FC000-memory.dmp

Filesize
48KB

Download
memory/3040-17-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-10-0x000007FEF55F0000-0x000007FEF5F8D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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