38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

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Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 08:59

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General

Target

95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9.dll
Size

260KB
MD5

9e9719483cc24dc0ab94b31f76981f42
SHA1

dad2cbcedfa94a2d2f0fde521d6f57a094d7c85b
SHA256

95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9
SHA512

83cff2d55df7d40aea1357515cc673792b367718e57624a2eedd531fd51c49ff165e5e69065efa09148d550644ea1106f54dea35aaadcebaa9ed911532c44309
SSDEEP

6144:HP2sOvpPfQUH6+SqpcH1lH0CIuK8AWaULcka:HPXOv9RH6fEcH1h0vuLNyk

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 4244 set thread context of 4384 4244 regsvr32.exe msiexec.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4468 4384 WerFault.exe msiexec.exe

description	pid	process	target process
PID 4244 set thread context of 4384	4244	regsvr32.exe	msiexec.exe

pid	pid_target	process	target process
4468	4384	WerFault.exe	msiexec.exe

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

Processes:

regsvr32.exemsiexec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 5064 wrote to memory of 4244	5064	regsvr32.exe	regsvr32.exe
PID 5064 wrote to memory of 4244	5064	regsvr32.exe	regsvr32.exe
PID 5064 wrote to memory of 4244	5064	regsvr32.exe	regsvr32.exe
PID 4244 wrote to memory of 4384	4244	regsvr32.exe	msiexec.exe
PID 4244 wrote to memory of 4384	4244	regsvr32.exe	msiexec.exe
PID 4244 wrote to memory of 4384	4244	regsvr32.exe	msiexec.exe
PID 4244 wrote to memory of 4384	4244	regsvr32.exe	msiexec.exe
PID 4244 wrote to memory of 4384	4244	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\95560f1a465e8ba87a73f8e60a6657545073d55c3b5cfc2ffdaf3d69d46afcf9.dll
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 544
      4⤵
      Program crash
      PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4384 -ip 4384
1⤵
PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4384-0-0x0000000000B50000-0x0000000000B7E000-memory.dmp

Filesize
184KB

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