49f236dbcde6f32d6573c8d4ca9922b4f9a60a18aacea5c2421d08997ef14a33

Analysis

max time kernel
300s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 19:18

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General

Target

751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe
Size

256KB
MD5

1ef9ec76a43b0a208704cdca562e84cd
SHA1

d31082243a555a690d5576c9666648f89e673f63
SHA256

751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe
SHA512

18d9cc4109d526f1588129e9fb6f8b8db4601d5e4c1231d9b58440d27f041044551d5da5afb2fefc9bd62be6a90506aa5b4bd29d788e448c7c0c9b3f7ed4b772
SSDEEP

3072:hJNgCPq8kZpStF3BifIYaX2blO3SbPoTBfnl7hAg0FuW92tpItc6mSbMPzKq:RtP7DR4dB1bPoTBPl7hAOwU16mn7

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\751FB5~1.EXE"	751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.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	751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ROUTE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2656	2112	751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe	30
PID 2112 wrote to memory of 2656	2112	751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe	30
PID 2112 wrote to memory of 2656	2112	751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe	30
PID 2112 wrote to memory of 2656	2112	751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe	30
PID 2656 wrote to memory of 2776	2656	cmd.exe	32
PID 2656 wrote to memory of 2776	2656	cmd.exe	32
PID 2656 wrote to memory of 2776	2656	cmd.exe	32
PID 2656 wrote to memory of 2776	2656	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe
"C:\Users\Admin\AppData\Local\Temp\751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "route.exe print > "C:\Users\Admin\AppData\Local\Temp\751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.tda""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\ROUTE.EXE
    route.exe print
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2776

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\751fb51baa5a4ed44c9c2bb45b824831914025e87d4d866e5861a38f734d8bfe.tda

Filesize
2KB

MD5
7a454068fc5f7f53f01ca9455c0128c2

SHA1
96efabdcf784e7180ce6b653fde5bca00d0836e4

SHA256
096ad1de6110625e418a56eeae00fe336a36565973346192cce3e241d79a4c36

SHA512
b87f2e6345d3b53fb1cd313da549f4ba342f7fc88e151fc5087cb6f51d2757ad3a7e6c16217ee19ba6114738bf3aa8716f3257afc44370c2ebe700fef3d82d28

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads