b53cf6fc4557b36bcab41cdb5aa3eeb060100a7bc606ef3c286892d71f8cb6f3

Analysis

max time kernel
146s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 17:03

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General

Target

$PROGRAM_FILES/Baidu/bar/TempData.dll
Size

584KB
MD5

0c8ed82bce60e5e2860d9daa28289267
SHA1

5ea9dcfadc426463c51e0abfc736a42dfc31f3e9
SHA256

89bc3949eb1ab805b49f2699f0623796997ba7bf0f5acf9402f90ae5cd630d13
SHA512

2a6b90d1ee12d88a9866b774de5b52b329beebbb9ce0c1655455020aeaddd0824cd3c38804e76f777b81fa5b149744b392ea8f904ba2eb71c6db779a0ef85830
SSDEEP

12288:iIS8w5m7/8D9eaX2E4M+j252A2dITSfHe:iIAwwx4M+i52+

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4564	regsvr32.exe
4564	regsvr32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~2\baidu\bar\BaiduBar.dll	regsvr32.exe
File opened for modification	C:\PROGRA~2\baidu\bar\BaiduBar.dll	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4964	4564	WerFault.exe	84

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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 4564	2644	regsvr32.exe	84
PID 2644 wrote to memory of 4564	2644	regsvr32.exe	84
PID 2644 wrote to memory of 4564	2644	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\bar\TempData.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\bar\TempData.dll
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 744
    3⤵
    - Program crash
    PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4564 -ip 4564
1⤵
PID:4444

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

C:\Program Files (x86)\baidu\bar\BaiduBar.dll

Filesize
584KB

MD5
0c8ed82bce60e5e2860d9daa28289267

SHA1
5ea9dcfadc426463c51e0abfc736a42dfc31f3e9

SHA256
89bc3949eb1ab805b49f2699f0623796997ba7bf0f5acf9402f90ae5cd630d13

SHA512
2a6b90d1ee12d88a9866b774de5b52b329beebbb9ce0c1655455020aeaddd0824cd3c38804e76f777b81fa5b149744b392ea8f904ba2eb71c6db779a0ef85830

Download Submit
memory/4564-4-0x0000000002C00000-0x0000000002C9C000-memory.dmp

Filesize
624KB

Download