b1f401a32d82597d042df138825c90dd0b673d71017e16cee0f458a78a85cac7

Analysis

max time kernel
79s
max time network
80s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 13:35

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General

Target

x86_64-w64-ranlib.exe
Size

285KB
MD5

b58fe0a5a58266e2d16703e7725a6f77
SHA1

bbdfd57437aa760246c6cbfa7a97405344347633
SHA256

b127de888f09ce23937c12b7fccfa47a8f48312b0e43eb59b6243f665c6d366a
SHA512

593b6ee4955d760359afe2df9d59ae966dd393298ec67b0b8441568a3ff075a485fea199ae1434eeb2cff26b7075085e4dd42b2c40327dd45bd22e0e8f7cf8cf
SSDEEP

6144:Isdo9ECUGu9ATbtJ1XN1c4KNvqhsoEG8X+UsO5XNQ:EzNu9ATb35Lhkvqhazs4

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4312 set thread context of 532	4312	x86_64-w64-ranlib.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4544	532	WerFault.exe	87

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	x86_64-w64-ranlib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87
PID 4312 wrote to memory of 532	4312	x86_64-w64-ranlib.exe	87

C:\Users\Admin\AppData\Local\Temp\x86_64-w64-ranlib.exe
"C:\Users\Admin\AppData\Local\Temp\x86_64-w64-ranlib.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 556
    3⤵
    - Program crash
    PID:4544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 532 -ip 532
1⤵
PID:1856

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/532-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/532-10-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/532-8-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4312-0-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/4312-1-0x0000000000800000-0x000000000084E000-memory.dmp

Filesize
312KB

Download
memory/4312-11-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4312-12-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download