d92cb7e568554000f7f3fec67a47d0f6ab2700782fb20640b2ca23e900e2f340

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 11:34

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General

Target

$PROGRAM_FILES/Baidu/bar/BaiduBar.dll
Size

468KB
MD5

ce09bbf273e67347f2264d66005cba07
SHA1

7751ab1dcf3bb52083ecc4d00621d743131726f5
SHA256

97176d434158d5c96afbfabdeaf2601702c25fa76787a767e24d71860e74985d
SHA512

09f147b08a57ed15eff997031babb462b914b522020fa2570b1f5d46d012d8d87e7f6fb9efa6b12f1bb72af5ac85d577e426787179249dfaaf6a5d48b3acf6b1
SSDEEP

6144:d7Xgbji5kc0pY4apz2aWwXoOF9l743a9EHVA2dIjCqUV8Ual9:dzgbWuc0Ikw/PR3mA2dIjF

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3192	regsvr32.exe
3192	regsvr32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\BaiduInstall = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~2\\baidu\\bar\\BaiduBar.dll,Install"	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
2904	3192	WerFault.exe	83

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 4932 wrote to memory of 3192	4932	regsvr32.exe	83
PID 4932 wrote to memory of 3192	4932	regsvr32.exe	83
PID 4932 wrote to memory of 3192	4932	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\bar\BaiduBar.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\bar\BaiduBar.dll
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:3192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 732
    3⤵
    - Program crash
    PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3192 -ip 3192
1⤵
PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
468KB

MD5
ce09bbf273e67347f2264d66005cba07

SHA1
7751ab1dcf3bb52083ecc4d00621d743131726f5

SHA256
97176d434158d5c96afbfabdeaf2601702c25fa76787a767e24d71860e74985d

SHA512
09f147b08a57ed15eff997031babb462b914b522020fa2570b1f5d46d012d8d87e7f6fb9efa6b12f1bb72af5ac85d577e426787179249dfaaf6a5d48b3acf6b1

Download Submit
memory/3192-4-0x0000000002E00000-0x0000000002E7C000-memory.dmp

Filesize
496KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads