orcus | 5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 01:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
Size

914KB
MD5

5b5b175704862b6d7675ad95a503d056
SHA1

857b403387f342d97762ff1003caddc256344b70
SHA256

5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5
SHA512

d8a3e94ae47314133b2a573ba0eec1ffa6272a5e47cc981520f5b4cecb5deeaf1f2e252947eed0ad881fe3cb2a358d7e58d6781b719d47618d1a260941c18dcd
SSDEEP

24576:2yW4MROxnFD3gEsYxrZlI0AilFEvxHinbi:2yVMiJ1rZlI0AilFEvxHin

Score

10^/10

orcus discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

127.0.0.1:10134

Mutex

536687950add43dc8aa32b2e37b39361

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\uzu.exe
reconnect_delay
10000
registry_keyname
uzu
taskscheduler_taskname
uzu
watchdog_path
AppData\uzu.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/0x0007000000019246-41.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000019246-41.dat	orcus
behavioral1/memory/2828-43-0x00000000008C0000-0x00000000009AA000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2736	WindowsInput.exe
2152	WindowsInput.exe
2828	uzu.exe
2016	uzu.exe
2044	uzu.exe
2348	uzu.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\uzu = "\"C:\\Program Files\\Orcus\\uzu.exe\""	uzu.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.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\uzu.exe	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File opened for modification	C:\Program Files\Orcus\uzu.exe	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
File created	C:\Program Files\Orcus\uzu.exe.config	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.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	uzu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uzu.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe
2348	uzu.exe
2828	uzu.exe
2828	uzu.exe
2348	uzu.exe
2828	uzu.exe
2348	uzu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	uzu.exe
Token: SeDebugPrivilege	2044	uzu.exe
Token: SeDebugPrivilege	2348	uzu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	uzu.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2828	uzu.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	uzu.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2532	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	30
PID 2264 wrote to memory of 2532	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	30
PID 2264 wrote to memory of 2532	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	30
PID 2532 wrote to memory of 2520	2532	csc.exe	32
PID 2532 wrote to memory of 2520	2532	csc.exe	32
PID 2532 wrote to memory of 2520	2532	csc.exe	32
PID 2264 wrote to memory of 2736	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	33
PID 2264 wrote to memory of 2736	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	33
PID 2264 wrote to memory of 2736	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	33
PID 2264 wrote to memory of 2828	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	35
PID 2264 wrote to memory of 2828	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	35
PID 2264 wrote to memory of 2828	2264	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	35
PID 2628 wrote to memory of 2016	2628	taskeng.exe	37
PID 2628 wrote to memory of 2016	2628	taskeng.exe	37
PID 2628 wrote to memory of 2016	2628	taskeng.exe	37
PID 2828 wrote to memory of 2044	2828	uzu.exe	38
PID 2828 wrote to memory of 2044	2828	uzu.exe	38
PID 2828 wrote to memory of 2044	2828	uzu.exe	38
PID 2828 wrote to memory of 2044	2828	uzu.exe	38
PID 2044 wrote to memory of 2348	2044	uzu.exe	39
PID 2044 wrote to memory of 2348	2044	uzu.exe	39
PID 2044 wrote to memory of 2348	2044	uzu.exe	39
PID 2044 wrote to memory of 2348	2044	uzu.exe	39

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\5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe
"C:\Users\Admin\AppData\Local\Temp\5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2264
- 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\3bft_miy.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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\RESCD6E.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCCD6D.tmp"
    3⤵
    PID:2520
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2736
- C:\Program Files\Orcus\uzu.exe
  "C:\Program Files\Orcus\uzu.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Users\Admin\AppData\Roaming\uzu.exe
    "C:\Users\Admin\AppData\Roaming\uzu.exe" /launchSelfAndExit "C:\Program Files\Orcus\uzu.exe" 2828 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2044
  - - C:\Users\Admin\AppData\Roaming\uzu.exe
      "C:\Users\Admin\AppData\Roaming\uzu.exe" /watchProcess "C:\Program Files\Orcus\uzu.exe" 2828 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2348

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2152

C:\Windows\system32\taskeng.exe
taskeng.exe {8DB556CE-9150-4CB7-B7CD-070EB1D349A6} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Program Files\Orcus\uzu.exe
  "C:\Program Files\Orcus\uzu.exe"
  2⤵
  - Executes dropped EXE
  PID:2016

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

Loading Replay Monitor...

Downloads

C:\Program Files\Orcus\uzu.exe

Filesize
914KB

MD5
5b5b175704862b6d7675ad95a503d056

SHA1
857b403387f342d97762ff1003caddc256344b70

SHA256
5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5

SHA512
d8a3e94ae47314133b2a573ba0eec1ffa6272a5e47cc981520f5b4cecb5deeaf1f2e252947eed0ad881fe3cb2a358d7e58d6781b719d47618d1a260941c18dcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\3bft_miy.dll

Filesize
76KB

MD5
777b920ee4338d213390b23818e9df15

SHA1
0305572e528c076e0c8403a8272cb44e75d3a755

SHA256
194902942c4fef99fa44fb3b641567467462a803f618f16003626e0bc44e10a5

SHA512
607e7ac24ff0d8994bdb10478ee59a1c22de52fb1f46911c6b33c83517ffc2144d6e7c7a1ec5d51de458ef00c607acfed10f33a82f78e133032a7a355ed8e579

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESCD6E.tmp

Filesize
1KB

MD5
5e7fa894eae5122d88f1e844da8e61db

SHA1
d798cb7b972219b89a92c38c13429d92d1ebeb79

SHA256
2afcfec72ef8a264bb8e386ef599d1dc140b69cdb6cd6cd00eed425fb1fa7f17

SHA512
3b37c89047667ff8acfec07449309e2805a1316525d9a70c32fd291b684983d5ddc3fc5c61e103addad789d3dd07ad122bb60dba1ec68af5e4bb67d47451b6ee

Download Submit
C:\Users\Admin\AppData\Roaming\uzu.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\3bft_miy.0.cs

Filesize
208KB

MD5
2b14ae8b54d216abf4d228493ceca44a

SHA1
d134351498e4273e9d6391153e35416bc743adef

SHA256
4e1cc3da1f7bf92773aae6cffa6d61bfc3e25aead3ad947f6215f93a053f346c

SHA512
5761b605add10ae3ef80f3b8706c8241b4e8abe4ac3ce36b7be8a97d08b08da5a72fedd5e976b3c9e1c463613a943ebb5d323e6a075ef6c7c3b1abdc0d53ac05

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3bft_miy.cmdline

Filesize
349B

MD5
71c9e5162b235dd5a82c536d997d4808

SHA1
faa9dd77bdc4c9d7f03716c4332391329ecd97ce

SHA256
127e26d3971bb17b4b1455463e5383057c74852cc77ad027870aa78ddc79c690

SHA512
bf5a90f083b3649b3ea34e03100096b5dec9be72246a8ea208707047f4e4a6e773da2d7107b3dccb649d780761824ed53231d022357917d040e39bd26eeba1a9

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCCD6D.tmp

Filesize
676B

MD5
341006efed6e2eecd0c89a0327a44627

SHA1
77159541b30701ac325c59b3eda4bcb9bb568302

SHA256
f513d809bbd2b5a116b38a6f7b0d9afe0700d152fa08cbecfb4e08bc4e36d5cd

SHA512
692ed30f88eaa83e5f28008a1fe63e1410261637ad22854fc575ddff24faf99e9752cc71377676f6f4da1ff64d61a75ead4dd01b8dc7013eee030df3d538312d

Download Submit
memory/2044-56-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/2152-33-0x00000000013A0000-0x00000000013AC000-memory.dmp

Filesize
48KB

Download
memory/2264-19-0x000000001AFA0000-0x000000001AFB6000-memory.dmp

Filesize
88KB

Download
memory/2264-0-0x000007FEF53BE000-0x000007FEF53BF000-memory.dmp

Filesize
4KB

Download
memory/2264-9-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-1-0x000000001AF40000-0x000000001AF9C000-memory.dmp

Filesize
368KB

Download
memory/2264-21-0x0000000001EE0000-0x0000000001EF2000-memory.dmp

Filesize
72KB

Download
memory/2264-2-0x0000000001EC0000-0x0000000001ECE000-memory.dmp

Filesize
56KB

Download
memory/2264-42-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-6-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2532-10-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2532-17-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2736-29-0x0000000000E70000-0x0000000000E7C000-memory.dmp

Filesize
48KB

Download
memory/2828-45-0x0000000000840000-0x0000000000858000-memory.dmp

Filesize
96KB

Download
memory/2828-46-0x0000000000720000-0x0000000000730000-memory.dmp

Filesize
64KB

Download
memory/2828-44-0x0000000000560000-0x00000000005AE000-memory.dmp

Filesize
312KB

Download
memory/2828-43-0x00000000008C0000-0x00000000009AA000-memory.dmp

Filesize
936KB

Download