orcus | 5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 01:14

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/0x00080000000167ea-38.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x00080000000167ea-38.dat	orcus
behavioral1/memory/2548-41-0x00000000002F0000-0x00000000003DA000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2760	WindowsInput.exe
2800	WindowsInput.exe
2548	uzu.exe
2536	uzu.exe
236	uzu.exe
1484	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-1-5-21-312935884-697965778-3955649944-1000\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
2548	uzu.exe
2548	uzu.exe
2548	uzu.exe
1484	uzu.exe
1484	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe
2548	uzu.exe
1484	uzu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	uzu.exe
Token: SeDebugPrivilege	236	uzu.exe
Token: SeDebugPrivilege	1484	uzu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2548	uzu.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2548	uzu.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	uzu.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2408	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	31
PID 2988 wrote to memory of 2408	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	31
PID 2988 wrote to memory of 2408	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	31
PID 2408 wrote to memory of 2832	2408	csc.exe	33
PID 2408 wrote to memory of 2832	2408	csc.exe	33
PID 2408 wrote to memory of 2832	2408	csc.exe	33
PID 2988 wrote to memory of 2760	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	34
PID 2988 wrote to memory of 2760	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	34
PID 2988 wrote to memory of 2760	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	34
PID 2988 wrote to memory of 2548	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	36
PID 2988 wrote to memory of 2548	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	36
PID 2988 wrote to memory of 2548	2988	5d9c2aacef0e45162ffd241d73048cf76daac78ce229df9638d363a982ef20b5.exe	36
PID 2592 wrote to memory of 2536	2592	taskeng.exe	38
PID 2592 wrote to memory of 2536	2592	taskeng.exe	38
PID 2592 wrote to memory of 2536	2592	taskeng.exe	38
PID 2548 wrote to memory of 236	2548	uzu.exe	39
PID 2548 wrote to memory of 236	2548	uzu.exe	39
PID 2548 wrote to memory of 236	2548	uzu.exe	39
PID 2548 wrote to memory of 236	2548	uzu.exe	39
PID 236 wrote to memory of 1484	236	uzu.exe	40
PID 236 wrote to memory of 1484	236	uzu.exe	40
PID 236 wrote to memory of 1484	236	uzu.exe	40
PID 236 wrote to memory of 1484	236	uzu.exe	40

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:2988
- 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\quexkgez.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2408
- - 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\RESD7CA.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCD7C9.tmp"
    3⤵
    PID:2832
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2760
- 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:2548
- - C:\Users\Admin\AppData\Roaming\uzu.exe
    "C:\Users\Admin\AppData\Roaming\uzu.exe" /launchSelfAndExit "C:\Program Files\Orcus\uzu.exe" 2548 /protectFile
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:236
  - - C:\Users\Admin\AppData\Roaming\uzu.exe
      "C:\Users\Admin\AppData\Roaming\uzu.exe" /watchProcess "C:\Program Files\Orcus\uzu.exe" 2548 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1484

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2800

C:\Windows\system32\taskeng.exe
taskeng.exe {759DFD48-EC6A-4586-BEE2-CD49652771D7} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Program Files\Orcus\uzu.exe
  "C:\Program Files\Orcus\uzu.exe"
  2⤵
  - Executes dropped EXE
  PID:2536

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\RESD7CA.tmp

Filesize
1KB

MD5
480de4016feaa513fa063424b2a16cb3

SHA1
47efd1f761822175a266aa3da6a2b77839df1cf6

SHA256
452e635d3d145529ccacb82872eef145b5509bf91ca6c13c8a0c2dd4797ed14d

SHA512
ddae6f8363e59451d83641a69b1b4dd03d419fbec024e7d9e4ac11f8c547b57a29966977476738e5c4986ad5f816bba916cc905e1f1a304351ee6a6ca6da0752

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

Filesize
76KB

MD5
327dfe15d320d99e2561ae587701aebc

SHA1
171946c3d4a43b38da7b17906b4e3d57633f7f90

SHA256
43793030d0603a952e09031d775f3934ce4a4070b638a730e6789a1d708a4dfd

SHA512
5987a74f7b0bbb4da8858ed96f76ba008767695d019f5d09c931401fb20129e01fe179ce8927578a6c4a0d3f1c1e474ef25785fe08e76e5770d7ca200cb22774

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\CSCD7C9.tmp

Filesize
676B

MD5
ddbfcd571df71d25713f863a6d529350

SHA1
ebaee361cb26ce4e52387556cd645b3c06de5c12

SHA256
4e37489f498c9f4b43e6aa1ad75bdd533ba465de2ac665106a70720a58a13863

SHA512
cdab2f90a77d097f52ab2c1ad149f4056db0d37e70e69a574564d9517881a95fb8d2664000ca5d558523d39260161bdb4d81ed24adfb9bce22e569d2f4d2bf7b

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

Filesize
208KB

MD5
6011503497b1b9250a05debf9690e52c

SHA1
897aea61e9bffc82d7031f1b3da12fb83efc6d82

SHA256
08f42b8d57bb61bc8f9628c8a80953b06ca4149d50108083fca6dc26bdd49434

SHA512
604c33e82e8b5bb5c54389c2899c81e5482a06e69db08268173a5b4574327ee5de656d312011d07e50a2e398a4c9b0cd79029013f76e05e18cf67ce5a916ffd9

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

Filesize
349B

MD5
bfd153db863db967c7f6dfaf72a6188f

SHA1
9c20f4b2b5fa6e4abc15edd359590a7b8df3b099

SHA256
aeb16d68996af67d1b1226cf6dec1f3b42f790e18207ba10c7262cebdc2934d5

SHA512
b4584022d527930d4efa68ba8e58c4756ed516b271150904b69218424d44857ebd6e3cd84730d651ee3ef4fa187f2882e69333d611a3f66ccc3fa2acb865f1ed

Download Submit
memory/236-55-0x0000000001340000-0x0000000001348000-memory.dmp

Filesize
32KB

Download
memory/2408-57-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2408-16-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2548-41-0x00000000002F0000-0x00000000003DA000-memory.dmp

Filesize
936KB

Download
memory/2548-43-0x0000000002100000-0x000000000214E000-memory.dmp

Filesize
312KB

Download
memory/2548-45-0x000000001A800000-0x000000001A810000-memory.dmp

Filesize
64KB

Download
memory/2548-44-0x000000001A7E0000-0x000000001A7F8000-memory.dmp

Filesize
96KB

Download
memory/2760-28-0x0000000000A50000-0x0000000000A5C000-memory.dmp

Filesize
48KB

Download
memory/2800-32-0x00000000011E0000-0x00000000011EC000-memory.dmp

Filesize
48KB

Download
memory/2988-0-0x000007FEF610E000-0x000007FEF610F000-memory.dmp

Filesize
4KB

Download
memory/2988-42-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2988-4-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2988-20-0x0000000000440000-0x0000000000452000-memory.dmp

Filesize
72KB

Download
memory/2988-18-0x0000000000A30000-0x0000000000A46000-memory.dmp

Filesize
88KB

Download
memory/2988-3-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2988-1-0x0000000000DE0000-0x0000000000E3C000-memory.dmp

Filesize
368KB

Download
memory/2988-2-0x0000000000420000-0x000000000042E000-memory.dmp

Filesize
56KB

Download