ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 03:45

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General

Target

ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632.exe
Size

314KB
MD5

e001f245442dddb4ffa43ab9dfa7128e
SHA1

746dfbc1ceefd6744fa8ff22a5f371ad10d80ec1
SHA256

ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632
SHA512

ac85d6b8dae10c4232266581942359ffad89459672ba2811a642415a5cdb196c983e8a3af73075be19998a30bd997d7f009d2157187f38ddd36e5923c53a8558
SSDEEP

6144:v4E31UUn9SXHt3zvLq6r9j4E31UUn9SXHt3zvLD:v4i1dn9qtZrx4i1dn9qtj

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
2536	vuhvodg.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\vuhvodg.exe	ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632.exe
File created	C:\PROGRA~3\Mozilla\zcwirze.dll	vuhvodg.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vuhvodg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2388	ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632.exe
2536	vuhvodg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2536	2088	taskeng.exe	31
PID 2088 wrote to memory of 2536	2088	taskeng.exe	31
PID 2088 wrote to memory of 2536	2088	taskeng.exe	31
PID 2088 wrote to memory of 2536	2088	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632.exe
"C:\Users\Admin\AppData\Local\Temp\ca8f9b9bd36906f10a3b358375dee4c877ce2806c0d696c269bda932e7a4e632.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2388

C:\Windows\system32\taskeng.exe
taskeng.exe {F9D677E8-DC16-4ACB-8EEE-3241B1CAEC77} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\PROGRA~3\Mozilla\vuhvodg.exe
  C:\PROGRA~3\Mozilla\vuhvodg.exe -nwlnhvb
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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

C:\PROGRA~3\Mozilla\vuhvodg.exe

Filesize
314KB

MD5
603700f0025fe1fcf044e0ecf879e80e

SHA1
359052d1527c3e99f32880fbae282439ce900e78

SHA256
36d8f4d57b4e580f73e053e1105493da43c59d3813a7c59c170b56b0636514ac

SHA512
903a14f906094de68ffefc0a36a7fb42ca4394b09c4c2d53a8cf397d96d54344c844dfcdb5202514ee49c760ccc77020b90d63b9470210672da1897e9083413e

Download Submit
memory/2388-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2388-0-0x00000000002F0000-0x000000000034B000-memory.dmp

Filesize
364KB

Download
memory/2388-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2536-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2536-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2536-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download