bd42e7874abbf06aef4554a87f7a51307e7a912debc4c7c3b2d4aed462bfb3ad

Analysis

max time kernel
119s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 21:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

35a50613e1405470493456d819ec7de0N.exe
Size

114KB
MD5

35a50613e1405470493456d819ec7de0
SHA1

36bd1859e4917e0fe3d1c6befec7aee0ed22c6d0
SHA256

bd42e7874abbf06aef4554a87f7a51307e7a912debc4c7c3b2d4aed462bfb3ad
SHA512

cbc10421e3fb9312f1144d32c5ee05f4807a254a3a0a93afbef99ed704ba959e5c292d635921f9d7d1bbd0384fb4db076313883dc1b3fb96bc6eb486c1d0ec6c
SSDEEP

1536:BteqKDlXvCDB04f5Gn/L8NRel1dwWXgRLtyu32z2AjfO:6lg35GT99wWX6Lth32zW

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4436	ounveaxih.exe
1520	ounveaxih.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ounveaxih.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ounveaxih.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ounveaxih.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\agneagoar.dll"	ounveaxih.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ounveaxih.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ounveaxih.exe	35a50613e1405470493456d819ec7de0N.exe
File created	C:\Windows\SysWOW64\ounveaxih.exe	35a50613e1405470493456d819ec7de0N.exe
File opened for modification	C:\Windows\SysWOW64\agneagoar.dll	ounveaxih.exe
File created	C:\Windows\SysWOW64\agneagoar.dll	ounveaxih.exe
File opened for modification	C:\Windows\SysWOW64\ounveaxih.exe	ounveaxih.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	35a50613e1405470493456d819ec7de0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ounveaxih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ounveaxih.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
1520	ounveaxih.exe
1520	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe
4436	ounveaxih.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3632	35a50613e1405470493456d819ec7de0N.exe
Token: SeDebugPrivilege	4436	ounveaxih.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 4436	3632	35a50613e1405470493456d819ec7de0N.exe	83
PID 3632 wrote to memory of 4436	3632	35a50613e1405470493456d819ec7de0N.exe	83
PID 3632 wrote to memory of 4436	3632	35a50613e1405470493456d819ec7de0N.exe	83
PID 4436 wrote to memory of 1520	4436	ounveaxih.exe	85
PID 4436 wrote to memory of 1520	4436	ounveaxih.exe	85
PID 4436 wrote to memory of 1520	4436	ounveaxih.exe	85

C:\Users\Admin\AppData\Local\Temp\35a50613e1405470493456d819ec7de0N.exe
"C:\Users\Admin\AppData\Local\Temp\35a50613e1405470493456d819ec7de0N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3632
- C:\Windows\SysWOW64\ounveaxih.exe
  "C:\Windows\system32\ounveaxih.exe"
  2⤵
  - Executes dropped EXE
  - Modifies WinLogon
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4436
- - C:\Windows\SysWOW64\ounveaxih.exe
    ùù¿çç¤
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\agneagoar.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ounveaxih.exe

Filesize
114KB

MD5
35a50613e1405470493456d819ec7de0

SHA1
36bd1859e4917e0fe3d1c6befec7aee0ed22c6d0

SHA256
bd42e7874abbf06aef4554a87f7a51307e7a912debc4c7c3b2d4aed462bfb3ad

SHA512
cbc10421e3fb9312f1144d32c5ee05f4807a254a3a0a93afbef99ed704ba959e5c292d635921f9d7d1bbd0384fb4db076313883dc1b3fb96bc6eb486c1d0ec6c

Download Submit
memory/1520-23-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3632-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4436-22-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download