124676fc010b9e810f78eca7ca312e134240d3c75e2b06faf778d89c4f1175b8

Analysis

max time kernel
140s
max time network
126s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:27

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General

Target

fmod.dll
Size

134KB
MD5

16f79e0a4e8d3835c463e547a7a9e69a
SHA1

9e6b457b0ef3e8ac170bf7e99bead36f3c6da055
SHA256

a952a243302a0fb1fbd6ecbb09703a2de76f343115b9408aa3d89c50b8d196d2
SHA512

95e6c0daf3f6286a1494c927a0b0d52022af8a784cf80e129a93b07ef1697aea23c1846739e8017b5f60cdf21ee000b155b88349b0be936633479bdc933658d9
SSDEEP

3072:G6i++wUNn6lbVrwnbPAwjKybmXk9qOCdt8aksGjNW:G6KwUN6lbVs1bmUmksGW

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral21/memory/2972-1-0x0000000010000000-0x0000000010089000-memory.dmp	upx
behavioral21/memory/2972-0-0x0000000010000000-0x0000000010089000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	2972	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2316 wrote to memory of 2972	2316	rundll32.exe	30
PID 2972 wrote to memory of 3048	2972	rundll32.exe	31
PID 2972 wrote to memory of 3048	2972	rundll32.exe	31
PID 2972 wrote to memory of 3048	2972	rundll32.exe	31
PID 2972 wrote to memory of 3048	2972	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fmod.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fmod.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 240
    3⤵
    - Program crash
    PID:3048

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/2972-1-0x0000000010000000-0x0000000010089000-memory.dmp

Filesize
548KB

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memory/2972-0-0x0000000010000000-0x0000000010089000-memory.dmp

Filesize
548KB

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