orcus | dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 01:13

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General

Target

dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe
Size

920KB
MD5

09f07afdf05a07d4fc75bba271c1d55f
SHA1

ce46cf71cacb51b41ae548e9a6c272fc88c0b048
SHA256

dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449
SHA512

7d7107eb34f1bd8ea3e0afa54bc1588a245211146748e29709dd15f9c83fbddbe1a013828d315bccf7bcb1a6460ef6eeba292bad8da65138314f1213a2cf1ad9
SSDEEP

24576:9wV4MROxnFZ3+kTZKrZlI0AilFEvxHiei4:9wCMi7wrZlI0AilFEvxHie

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

147.185.221.24:35724

Mutex

2343b4b69eb4448f8b90fbdd06301150

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%programfiles%\svchost.exe
reconnect_delay
10000
registry_keyname
svchost
taskscheduler_taskname
svchosts
watchdog_path
AppData\svchost.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/0x0008000000016d1c-39.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d1c-39.dat	orcus
behavioral1/memory/2700-42-0x0000000000DE0000-0x0000000000ECC000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2952	WindowsInput.exe
2936	WindowsInput.exe
2700	svchost.exe
1032	svchost.exe
1788	svchost.exe
1732	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Program Files\\svchost.exe\""	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.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\svchost.exe	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe
File opened for modification	C:\Program Files\svchost.exe	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe
File created	C:\Program Files\svchost.exe.config	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1732	svchost.exe
1732	svchost.exe
1732	svchost.exe
2700	svchost.exe
2700	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe
1732	svchost.exe
2700	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	svchost.exe
Token: SeDebugPrivilege	1732	svchost.exe
Token: SeDebugPrivilege	2700	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 3068	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	29
PID 432 wrote to memory of 3068	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	29
PID 432 wrote to memory of 3068	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	29
PID 3068 wrote to memory of 2172	3068	csc.exe	31
PID 3068 wrote to memory of 2172	3068	csc.exe	31
PID 3068 wrote to memory of 2172	3068	csc.exe	31
PID 432 wrote to memory of 2952	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	32
PID 432 wrote to memory of 2952	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	32
PID 432 wrote to memory of 2952	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	32
PID 432 wrote to memory of 2700	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	34
PID 432 wrote to memory of 2700	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	34
PID 432 wrote to memory of 2700	432	dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe	34
PID 2296 wrote to memory of 1032	2296	taskeng.exe	36
PID 2296 wrote to memory of 1032	2296	taskeng.exe	36
PID 2296 wrote to memory of 1032	2296	taskeng.exe	36
PID 2700 wrote to memory of 1788	2700	svchost.exe	37
PID 2700 wrote to memory of 1788	2700	svchost.exe	37
PID 2700 wrote to memory of 1788	2700	svchost.exe	37
PID 2700 wrote to memory of 1788	2700	svchost.exe	37
PID 1788 wrote to memory of 1732	1788	svchost.exe	38
PID 1788 wrote to memory of 1732	1788	svchost.exe	38
PID 1788 wrote to memory of 1732	1788	svchost.exe	38
PID 1788 wrote to memory of 1732	1788	svchost.exe	38

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\dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe
"C:\Users\Admin\AppData\Local\Temp\dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:432
- 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\xowxmijv.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3068
- - 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\RES2AD9.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC2AD8.tmp"
    3⤵
    PID:2172
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2952
- C:\Program Files\svchost.exe
  "C:\Program Files\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Program Files\svchost.exe" 2700 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1788
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Program Files\svchost.exe" 2700 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1732

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2936

C:\Windows\system32\taskeng.exe
taskeng.exe {EEB4D013-BEA5-4668-816C-F39212765CD6} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Program Files\svchost.exe
  "C:\Program Files\svchost.exe"
  2⤵
  - Executes dropped EXE
  PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\svchost.exe

Filesize
920KB

MD5
09f07afdf05a07d4fc75bba271c1d55f

SHA1
ce46cf71cacb51b41ae548e9a6c272fc88c0b048

SHA256
dc34a84ca9c36fbc3d047f9d3c2ca8cd4f9060fbef49f0b4f13cec77944cf449

SHA512
7d7107eb34f1bd8ea3e0afa54bc1588a245211146748e29709dd15f9c83fbddbe1a013828d315bccf7bcb1a6460ef6eeba292bad8da65138314f1213a2cf1ad9

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES2AD9.tmp

Filesize
1KB

MD5
85ba5709170df29aac994262facca13a

SHA1
c5a5e4615773653fa2ee4bed81d779bccfc7df14

SHA256
b2c044c0fd4f899b8c95b6cefff141bf701d9e86d96e260b3a0c3068b317032f

SHA512
a79eba1fe83694cbaf59a18951c0915d71fd648bb663e80235f6ac20cc70e28fe9f48cc5c4333a32e0f51a47e8fa5c909e87c3c6da1f87abb24ea932c9492d30

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

Filesize
76KB

MD5
ebad19cfb6538b855d19b721ac74c9b3

SHA1
3a564518c00960063fd5e004af40b5620b19c208

SHA256
d9ab148588dcbd2d98b8a6cba5afd7f4cd6eadf597485f6649ae43cfdc486089

SHA512
ccf60bc8bbc81e87f7e7c1a11f291d2e5f899f19d15a3c8be37ab8762187225250c6878ce0d841d382099b0d5c8adfbbfabf145d334a3a80c4dc976642109938

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.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\CSC2AD8.tmp

Filesize
676B

MD5
906f4fbe1b9d102b8639a92cd1089408

SHA1
c318849fc54bc25d722ff8ac308d2811c5f49d63

SHA256
c3150ccfeb04525801ab3ebf826e3c0654853c3da57178fbd419aff0a4c01e35

SHA512
1c42f5209e100e9e6c80fe7770c4622e722a60df8997ca8053110f6e943612665fa8ff51560a0259341e9366120a5924b7f930a848a2be3a490a79ce966068d4

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

Filesize
208KB

MD5
6011503497b1b9250a05debf9690e52c

SHA1
897aea61e9bffc82d7031f1b3da12fb83efc6d82

SHA256
08f42b8d57bb61bc8f9628c8a80953b06ca4149d50108083fca6dc26bdd49434

SHA512
604c33e82e8b5bb5c54389c2899c81e5482a06e69db08268173a5b4574327ee5de656d312011d07e50a2e398a4c9b0cd79029013f76e05e18cf67ce5a916ffd9

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

Filesize
349B

MD5
554c91617a1b916bc0984d11866742d7

SHA1
55171217c09396614dc0500f5d95a45a853d0e9c

SHA256
8747441603dabdd89b1f45d39d2cb2be9286e67066cb1ae44fda4480d148e1c9

SHA512
a1764b88a849c000cb1170f8fa819b2bad88b2c10ee74f2a41d1119280b4db817ac33d616ba03a061b5f066b6ae317db8fac6f9bd964c1df91b4d044b612a555

Download Submit
memory/432-4-0x000007FEF65F0000-0x000007FEF6F8D000-memory.dmp

Filesize
9.6MB

Download
memory/432-1-0x000000001AF50000-0x000000001AFAC000-memory.dmp

Filesize
368KB

Download
memory/432-19-0x000000001AFD0000-0x000000001AFE6000-memory.dmp

Filesize
88KB

Download
memory/432-43-0x000007FEF65F0000-0x000007FEF6F8D000-memory.dmp

Filesize
9.6MB

Download
memory/432-21-0x00000000006C0000-0x00000000006D2000-memory.dmp

Filesize
72KB

Download
memory/432-2-0x0000000000510000-0x000000000051E000-memory.dmp

Filesize
56KB

Download
memory/432-3-0x000007FEF65F0000-0x000007FEF6F8D000-memory.dmp

Filesize
9.6MB

Download
memory/432-0-0x000007FEF68AE000-0x000007FEF68AF000-memory.dmp

Filesize
4KB

Download
memory/1788-56-0x0000000000F20000-0x0000000000F28000-memory.dmp

Filesize
32KB

Download
memory/2700-46-0x00000000022D0000-0x00000000022E0000-memory.dmp

Filesize
64KB

Download
memory/2700-42-0x0000000000DE0000-0x0000000000ECC000-memory.dmp

Filesize
944KB

Download
memory/2700-44-0x0000000000B40000-0x0000000000B8E000-memory.dmp

Filesize
312KB

Download
memory/2700-45-0x0000000000DC0000-0x0000000000DD8000-memory.dmp

Filesize
96KB

Download
memory/2936-33-0x0000000000F80000-0x0000000000F8C000-memory.dmp

Filesize
48KB

Download
memory/2952-29-0x00000000000F0000-0x00000000000FC000-memory.dmp

Filesize
48KB

Download
memory/3068-12-0x000007FEF65F0000-0x000007FEF6F8D000-memory.dmp

Filesize
9.6MB

Download
memory/3068-17-0x000007FEF65F0000-0x000007FEF6F8D000-memory.dmp

Filesize
9.6MB

Download