orcus | b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b

Analysis

max time kernel
153s
max time network
156s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 02:10

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General

Target

b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
Size

5.0MB
MD5

613f4471684355f7fe4d49e4fcebbe64
SHA1

ebbc2cfaccef9d126f0f8350753e1f273f804673
SHA256

b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b
SHA512

eee18821de7e238859ac107cac85b607c7cd4fb44c4cc080ff8f0b8ae108ac7d324b9ed5efdb68f878a0d3f544b865a907728c541c8e2195952516055dd9092f
SSDEEP

24576:Thg4MROxnFt3F9MQ2rZlI0AilFEvxHiLn:ThDMij45rZlI0AilFEvxHi

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.1.14:10134

Mutex

2e566c8c1d55430c963499cfd5b29253

Attributes

autostart_method
Disable
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/0x0009000000014116-41.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014116-41.dat	orcus
behavioral1/memory/2784-45-0x0000000000130000-0x000000000021C000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2412	WindowsInput.exe
2456	WindowsInput.exe
2784	Orcus.exe
2620	Orcus.exe
2144	OrcusWatchdog.exe
2036	OrcusWatchdog.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Orcus\Orcus.exe	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File created	C:\Program Files\Orcus\Orcus.exe.config	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File created	C:\Program Files\Orcus\Orcus.exe	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.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
2036	OrcusWatchdog.exe
2036	OrcusWatchdog.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2784	Orcus.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe
2036	OrcusWatchdog.exe
2784	Orcus.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	Orcus.exe
Token: SeDebugPrivilege	2144	OrcusWatchdog.exe
Token: SeDebugPrivilege	2036	OrcusWatchdog.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1408	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	28
PID 2688 wrote to memory of 1408	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	28
PID 2688 wrote to memory of 1408	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	28
PID 1408 wrote to memory of 2876	1408	csc.exe	30
PID 1408 wrote to memory of 2876	1408	csc.exe	30
PID 1408 wrote to memory of 2876	1408	csc.exe	30
PID 2688 wrote to memory of 2412	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	31
PID 2688 wrote to memory of 2412	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	31
PID 2688 wrote to memory of 2412	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	31
PID 2688 wrote to memory of 2784	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	33
PID 2688 wrote to memory of 2784	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	33
PID 2688 wrote to memory of 2784	2688	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	33
PID 764 wrote to memory of 2620	764	taskeng.exe	35
PID 764 wrote to memory of 2620	764	taskeng.exe	35
PID 764 wrote to memory of 2620	764	taskeng.exe	35
PID 2784 wrote to memory of 2144	2784	Orcus.exe	36
PID 2784 wrote to memory of 2144	2784	Orcus.exe	36
PID 2784 wrote to memory of 2144	2784	Orcus.exe	36
PID 2784 wrote to memory of 2144	2784	Orcus.exe	36
PID 2144 wrote to memory of 2036	2144	OrcusWatchdog.exe	37
PID 2144 wrote to memory of 2036	2144	OrcusWatchdog.exe	37
PID 2144 wrote to memory of 2036	2144	OrcusWatchdog.exe	37
PID 2144 wrote to memory of 2036	2144	OrcusWatchdog.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\b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
"C:\Users\Admin\AppData\Local\Temp\b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2688
- 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\yocyecbi.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1408
- - 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\RES6578.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6577.tmp"
    3⤵
    PID:2876
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2412
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 2784
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2144
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 2784
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2036

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2456

C:\Windows\system32\taskeng.exe
taskeng.exe {FC74DA9C-BC5F-446E-9063-1BEF85748B5D} S-1-5-21-2461186416-2307104501-1787948496-1000:MGILJUBR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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
613f4471684355f7fe4d49e4fcebbe64

SHA1
ebbc2cfaccef9d126f0f8350753e1f273f804673

SHA256
b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b

SHA512
eee18821de7e238859ac107cac85b607c7cd4fb44c4cc080ff8f0b8ae108ac7d324b9ed5efdb68f878a0d3f544b865a907728c541c8e2195952516055dd9092f

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES6578.tmp

Filesize
1KB

MD5
287345e1ff2482bdf7c98e67019a184d

SHA1
b54e4ae863b7df4945db8221f45b8d1a1f58b6fb

SHA256
64403e434bf0feac008ee5d03f074b8ac2738dd0a3a4a6c3baf709e8d08039c5

SHA512
a58ce3e99f137e79ff10faa365186d5c1a83b10fb62e892059346eca32733aeaf82985cbd2a299e0e0fbb1c11a00a3525412663cf5a83da1a6ca0b2f1b8190ce

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

Filesize
76KB

MD5
5a35915458cdd0add235df6d12818700

SHA1
c95fc2503143887c688f3430afaafe893d78142f

SHA256
84527dd6bfab46485cef33fc04e18bd2a97319b4c27d3704c7d2972de32c74e8

SHA512
cff74d3adf072bd8d60c2cfdd9c693836e0dfb8118f82b150db54f0d109c593646a274fe07d5557ebcffdfdd36522dc96de4dab2af2854c239ab14e6c9588099

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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\CSC6577.tmp

Filesize
676B

MD5
6c94a9482e35c09e5fd5a1774ed7e6f3

SHA1
b73c447afe20481945ab4a1535d1a603fbda8832

SHA256
7c716bebeee8ba5eadb5936cc8aa43d410b61663dad21d4e117043ad6765946f

SHA512
75f1f0e3c4f78e2341dc5616d81cdeeb006b896347b7acc755f52b8b787655ba1dde37ae46ff60043ab1411160d359e783c694e0db01a9f5d1042233bb77abd4

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

Filesize
208KB

MD5
c555d9796194c1d9a1310a05a2264e08

SHA1
82641fc4938680519c3b2e925e05e1001cbd71d7

SHA256
ccbb8fd27ab2f27fbbd871793886ff52ff1fbd9117c98b8d190c1a96b67e498a

SHA512
0b85ca22878998c7697c589739905b218f9b264a32c8f99a9f9dd73d0687a5de46cc7e851697ee16424baf94d301e411648aa2d061ac149a6d2e06b085e07090

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

Filesize
349B

MD5
bb00c94e7f10bfaf2dfb25f656442630

SHA1
d7845d6341972af52753674f3f695742adb1980b

SHA256
a43ec1e41d0b68f81fb9553f9d04fdb8fc8ef590098c71df2317657755a4f27f

SHA512
e8f267559bde7afaddf3e8106470c2dba3127ac346fd5ddbfbd64ff24669b410da9210245ced560ba19c44be388ef2f3adf1bf2422e6e906e643a35a7bdfe001

Download Submit
memory/2036-72-0x0000000074DB0000-0x000000007549E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-66-0x0000000074DB0000-0x000000007549E000-memory.dmp

Filesize
6.9MB

Download
memory/2144-64-0x0000000074DB0000-0x000000007549E000-memory.dmp

Filesize
6.9MB

Download
memory/2144-63-0x0000000001000000-0x0000000001008000-memory.dmp

Filesize
32KB

Download
memory/2144-67-0x0000000074DB0000-0x000000007549E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-28-0x00000000008C0000-0x00000000008CC000-memory.dmp

Filesize
48KB

Download
memory/2412-29-0x000007FEEE7F0000-0x000007FEEF1DC000-memory.dmp

Filesize
9.9MB

Download
memory/2412-30-0x000000001B070000-0x000000001B0F0000-memory.dmp

Filesize
512KB

Download
memory/2412-33-0x000007FEEE7F0000-0x000007FEEF1DC000-memory.dmp

Filesize
9.9MB

Download
memory/2456-68-0x000007FEEDE00000-0x000007FEEE7EC000-memory.dmp

Filesize
9.9MB

Download
memory/2456-35-0x0000000001210000-0x000000000121C000-memory.dmp

Filesize
48KB

Download
memory/2456-36-0x000007FEEDE00000-0x000007FEEE7EC000-memory.dmp

Filesize
9.9MB

Download
memory/2620-53-0x000000001B160000-0x000000001B1E0000-memory.dmp

Filesize
512KB

Download
memory/2620-51-0x000007FEEDE00000-0x000007FEEE7EC000-memory.dmp

Filesize
9.9MB

Download
memory/2620-69-0x000007FEEDE00000-0x000007FEEE7EC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-2-0x000007FEF6220000-0x000007FEF6BBD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-19-0x0000000000770000-0x0000000000782000-memory.dmp

Filesize
72KB

Download
memory/2688-1-0x0000000000740000-0x000000000074E000-memory.dmp

Filesize
56KB

Download
memory/2688-3-0x0000000001FD0000-0x0000000002050000-memory.dmp

Filesize
512KB

Download
memory/2688-46-0x000007FEF6220000-0x000007FEF6BBD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-4-0x000007FEF6220000-0x000007FEF6BBD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-0-0x000000001AF80000-0x000000001AFDC000-memory.dmp

Filesize
368KB

Download
memory/2688-17-0x000000001AD10000-0x000000001AD26000-memory.dmp

Filesize
88KB

Download
memory/2688-20-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download
memory/2784-52-0x00000000006F0000-0x0000000000700000-memory.dmp

Filesize
64KB

Download
memory/2784-54-0x000000001ADE0000-0x000000001AE60000-memory.dmp

Filesize
512KB

Download
memory/2784-47-0x0000000000270000-0x0000000000282000-memory.dmp

Filesize
72KB

Download
memory/2784-49-0x000000001B340000-0x000000001B358000-memory.dmp

Filesize
96KB

Download
memory/2784-44-0x000007FEEDE00000-0x000007FEEE7EC000-memory.dmp

Filesize
9.9MB

Download
memory/2784-45-0x0000000000130000-0x000000000021C000-memory.dmp

Filesize
944KB

Download
memory/2784-70-0x000007FEEDE00000-0x000007FEEE7EC000-memory.dmp

Filesize
9.9MB

Download
memory/2784-71-0x000000001ADE0000-0x000000001AE60000-memory.dmp

Filesize
512KB

Download
memory/2784-48-0x00000000021C0000-0x000000000220E000-memory.dmp

Filesize
312KB

Download