orcus | b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x000a000000023327-58.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023327-58.dat	orcus
behavioral2/memory/1140-69-0x0000000000CB0000-0x0000000000D9C000-memory.dmp	orcus

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	OrcusWatchdog.exe

Executes dropped EXE 6 IoCs

pid	Process
540	WindowsInput.exe
3596	WindowsInput.exe
1140	Orcus.exe
3792	Orcus.exe
1332	OrcusWatchdog.exe
1604	OrcusWatchdog.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe

Drops file in System32 directory 3 IoCs

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

Drops file in Program Files directory 3 IoCs

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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe
File opened for modification	C:\Windows\assembly	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
1140	Orcus.exe
1140	Orcus.exe
1140	Orcus.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1604	OrcusWatchdog.exe
1604	OrcusWatchdog.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe
1140	Orcus.exe
1604	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	Orcus.exe
Token: SeDebugPrivilege	1332	OrcusWatchdog.exe
Token: SeDebugPrivilege	1604	OrcusWatchdog.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 212	2668	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	94
PID 2668 wrote to memory of 212	2668	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	94
PID 212 wrote to memory of 5032	212	csc.exe	97
PID 212 wrote to memory of 5032	212	csc.exe	97
PID 2668 wrote to memory of 540	2668	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	100
PID 2668 wrote to memory of 540	2668	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	100
PID 2668 wrote to memory of 1140	2668	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	102
PID 2668 wrote to memory of 1140	2668	b64d34a94a9b74df17386987b14954f987e49b323f7380b08e66bb0cccb0226b.exe	102
PID 1140 wrote to memory of 1332	1140	Orcus.exe	106
PID 1140 wrote to memory of 1332	1140	Orcus.exe	106
PID 1140 wrote to memory of 1332	1140	Orcus.exe	106
PID 1332 wrote to memory of 1604	1332	OrcusWatchdog.exe	108
PID 1332 wrote to memory of 1604	1332	OrcusWatchdog.exe	108
PID 1332 wrote to memory of 1604	1332	OrcusWatchdog.exe	108

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⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2668
- 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\vadphgkm.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:212
- - 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\RES1D87.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC1D86.tmp"
    3⤵
    PID:5032
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:540
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
    "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 1140
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1332
  - - C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 1140
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1604

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1052,i,5838972776061051553,16186488414347324308,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
1⤵
PID:1828

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:3596

C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:3792

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\Microsoft\CLR_v4.0_32\UsageLogs\OrcusWatchdog.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES1D87.tmp

Filesize
1KB

MD5
1fc7ddbb0d03a066b5ed745b8452ee3b

SHA1
c47fe3e8de87a8449ce69524c98a41eebc418c39

SHA256
4b4ef6c6d0539fbdeea730ef1f4660f42d948f6b9cf8c18dea56cc658fbf0b6c

SHA512
f6b5e3237afc976545ebde84f6c01cf048e5e56cfe82bde35fbbfdc767a751872a6d86e690168d64a00c480d22193c3ea82bba506a2a8f407eb85133a5665488

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

Filesize
76KB

MD5
c974fbc1c263f43149e39be52b3b4a37

SHA1
b453c38c2dfdfd91a352dff7d547aec966ea3b6f

SHA256
54c87ce368f1c6735e49287f2956bd60c96f97c6f7add1fb664f7ab415796420

SHA512
3b520bf678bb6a78a18b6d6f3dbaba6e003ce4169af0161dc6ab09c40f65b2df71240c08ea64fbcb9f0976e60f08bd5f1d8f7e4061f6b56f000b6e2bdd22e76b

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\CSC1D86.tmp

Filesize
676B

MD5
0bfd307aa872bc110e90013457f1bb9d

SHA1
7bddf0bd210815437f02c50f8cae0934af938a7c

SHA256
955d1173d308d4a19f6a0e8c31758f952f5acef0eb8b5742118b99ddaaed4e77

SHA512
7675866b4d430f33bdeebd86c76c2b9c0c77dc5b66d27b34fe05375c2a05189789341035e65e857d86fd928778c58e287ab4f8b19831134837a2d6a36c4c2c48

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

Filesize
208KB

MD5
663118cc1235d9ad078044d08e941abc

SHA1
e8baed9e2e016b12f7481aa35095eb863f1d8423

SHA256
cc30e2d7b07752312269812d054c9a1c67dcfe47bd1acd2247bffc491b14bbea

SHA512
47fae502e509da71bb6d339e50b8e63cd5024d79508faf4c14f021c9ab7fae60c617ff72ff913943c9d36df94b5530cc70570649213caec9a385ec233793fd80

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

Filesize
349B

MD5
e0795cf1352fa0ef8a0c48ef9b229ebe

SHA1
74442da11deabc1e78c0e056f9df5674d54133d7

SHA256
24863e17215c3abef855c3be713e82330fb6dd882a030bf9186bff3dc78ff69f

SHA512
7d645f2dd7acc42a3cbcaafbb9dd2917114469e5d6fa249f795ec1b9bbb9bde5fb7de5d12f6975ec4bcd71ea77787b12e1e04290516672671151053bb5cc0f8b

Download Submit
memory/212-14-0x0000000000940000-0x0000000000950000-memory.dmp

Filesize
64KB

Download
memory/540-40-0x0000000000CC0000-0x0000000000CCC000-memory.dmp

Filesize
48KB

Download
memory/540-48-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

Download
memory/540-44-0x0000000001610000-0x000000000164C000-memory.dmp

Filesize
240KB

Download
memory/540-43-0x0000000001490000-0x00000000014A2000-memory.dmp

Filesize
72KB

Download
memory/540-42-0x000000001B9E0000-0x000000001B9F0000-memory.dmp

Filesize
64KB

Download
memory/540-41-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1140-75-0x000000001BF00000-0x000000001BF18000-memory.dmp

Filesize
96KB

Download
memory/1140-73-0x000000001B8B0000-0x000000001B8FE000-memory.dmp

Filesize
312KB

Download
memory/1140-104-0x000000001BAA0000-0x000000001BAB0000-memory.dmp

Filesize
64KB

Download
memory/1140-103-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1140-105-0x000000001BAA0000-0x000000001BAB0000-memory.dmp

Filesize
64KB

Download
memory/1140-70-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1140-69-0x0000000000CB0000-0x0000000000D9C000-memory.dmp

Filesize
944KB

Download
memory/1140-72-0x0000000002FC0000-0x0000000002FD2000-memory.dmp

Filesize
72KB

Download
memory/1140-80-0x000000001BAA0000-0x000000001BAB0000-memory.dmp

Filesize
64KB

Download
memory/1140-77-0x000000001C020000-0x000000001C030000-memory.dmp

Filesize
64KB

Download
memory/1140-71-0x000000001BAA0000-0x000000001BAB0000-memory.dmp

Filesize
64KB

Download
memory/1332-93-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1332-97-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1332-92-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/1604-106-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1604-98-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/2668-22-0x000000001B5B0000-0x000000001B5C6000-memory.dmp

Filesize
88KB

Download
memory/2668-6-0x000000001B570000-0x000000001B57E000-memory.dmp

Filesize
56KB

Download
memory/2668-67-0x00007FFBDF170000-0x00007FFBDFB11000-memory.dmp

Filesize
9.6MB

Download
memory/2668-1-0x0000000000E90000-0x0000000000EA0000-memory.dmp

Filesize
64KB

Download
memory/2668-2-0x00007FFBDF170000-0x00007FFBDFB11000-memory.dmp

Filesize
9.6MB

Download
memory/2668-68-0x00007FFBDF170000-0x00007FFBDFB11000-memory.dmp

Filesize
9.6MB

Download
memory/2668-3-0x000000001B380000-0x000000001B3DC000-memory.dmp

Filesize
368KB

Download
memory/2668-26-0x000000001C0F0000-0x000000001C110000-memory.dmp

Filesize
128KB

Download
memory/2668-25-0x0000000000D70000-0x0000000000D78000-memory.dmp

Filesize
32KB

Download
memory/2668-24-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

Filesize
72KB

Download
memory/2668-0-0x00007FFBDF170000-0x00007FFBDFB11000-memory.dmp

Filesize
9.6MB

Download
memory/2668-8-0x000000001C020000-0x000000001C0BC000-memory.dmp

Filesize
624KB

Download
memory/2668-7-0x000000001BAB0000-0x000000001BF7E000-memory.dmp

Filesize
4.8MB

Download
memory/3596-51-0x000000001A000000-0x000000001A010000-memory.dmp

Filesize
64KB

Download
memory/3596-101-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

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memory/3596-102-0x000000001A000000-0x000000001A010000-memory.dmp

Filesize
64KB

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memory/3596-50-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

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memory/3596-52-0x000000001A5E0000-0x000000001A6EA000-memory.dmp

Filesize
1.0MB

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memory/3792-100-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

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memory/3792-76-0x00007FFBDB9E0000-0x00007FFBDC4A1000-memory.dmp

Filesize
10.8MB

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