439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17c

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 05:20

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General

Target

439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17cN.exe
Size

182KB
MD5

767e2900bc4ede8191eac87755c03fb0
SHA1

5f27077399f2b86ca6b2ae1db374048ec8c48bd7
SHA256

439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17c
SHA512

0c0d9a8d5482e3e9d752a28c96283581081f2dc8ea63edf8c17384325a9d21e61e2d0a8ea789f379eac2ad5e700e6f3980ff4a39a74e26222b88aee5270568cd
SSDEEP

3072:5ychyinW3k9savZ/5d18Lp2AwF+/xjnw89JnszQcJdXAo:5Cin4kmavZ/5dxvFwxF52dX/

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
2540	dxphjxh.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\dxphjxh.exe	439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17cN.exe
File created	C:\PROGRA~3\Mozilla\yocgcxd.dll	dxphjxh.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	439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxphjxh.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2396	439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17cN.exe
2540	dxphjxh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2540	2160	taskeng.exe	31
PID 2160 wrote to memory of 2540	2160	taskeng.exe	31
PID 2160 wrote to memory of 2540	2160	taskeng.exe	31
PID 2160 wrote to memory of 2540	2160	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17cN.exe
"C:\Users\Admin\AppData\Local\Temp\439afa6b15ef0dcbba3f0cf33bd6dc1147802817f4b50af383099fc10622f17cN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2396

C:\Windows\system32\taskeng.exe
taskeng.exe {9BCCB09E-F77A-4F85-ACCB-A0930A445B3E} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\PROGRA~3\Mozilla\dxphjxh.exe
  C:\PROGRA~3\Mozilla\dxphjxh.exe -wyqgbfl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2540

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\dxphjxh.exe

Filesize
182KB

MD5
337c1e3841fbe195170041d6f604ff86

SHA1
ed9add5363ce78c96cb6f1c49a7dab0b49725254

SHA256
feb6297ec19e7866462d42659f094af356400c3035c929b611190a2e20b03662

SHA512
1cdb4ff70b35293a3c21fcf27ba61c2dc69c2026cdf8e3518979f9871de7077b4d05980e5ab71b11af6b97faacd2cd3b2b7bdde83d494347ef0e97836949c646

Download Submit
memory/2396-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2396-0-0x00000000004D0000-0x000000000052B000-memory.dmp

Filesize
364KB

Download
memory/2396-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2540-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2540-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2540-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download