Overview
overview
3Static
static
12345Pinyin...nt.exe
windows7-x64
32345Pinyin...nt.exe
windows10-2004-x64
32345Pinyin...ge.exe
windows7-x64
32345Pinyin...ge.exe
windows10-2004-x64
3Helper_2345Pinyin.exe
windows7-x64
3Helper_2345Pinyin.exe
windows10-2004-x64
3Pinyin_2345Svc.dll
windows7-x64
1Pinyin_2345Svc.dll
windows10-2004-x64
3coral_extract.dll
windows7-x64
1coral_extract.dll
windows10-2004-x64
3courgette_dll.dll
windows7-x64
1courgette_dll.dll
windows10-2004-x64
3Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 01:51
Static task
static1
Behavioral task
behavioral1
Sample
2345PinyinAssistant.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2345PinyinAssistant.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
2345PinyinMiniPage.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
2345PinyinMiniPage.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
Helper_2345Pinyin.exe
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
Helper_2345Pinyin.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
Pinyin_2345Svc.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
Pinyin_2345Svc.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
coral_extract.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
coral_extract.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
courgette_dll.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
courgette_dll.dll
Resource
win10v2004-20240508-en
General
-
Target
coral_extract.dll
-
Size
367KB
-
MD5
38b4c50710126bb520741eb8f0e89657
-
SHA1
037a7c9f184ceb6aeed611f631fd411c6815f758
-
SHA256
7c4e5d82b37eb114ff1da31bbe9ba1865e2e181e0c6daf097427ff102b6dfe52
-
SHA512
6ff4c6036afca88cbf5b18d99c1d828479fb14be08a33825e66d42cfac530d605e9afd97d997636e701ac6e7b02205a5e958a74818bd106d870d2d239b48b73b
-
SSDEEP
6144:E3rs4BljUlCHGaR8hU3FAQ5Bu0rzGXC2oM6m1L7HurTEPtAzKIAg:E3rsmYcHGaZ3nu0rzGy2oM6m1PHy4Pt6
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1404 1564 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1304 wrote to memory of 1564 1304 rundll32.exe rundll32.exe PID 1304 wrote to memory of 1564 1304 rundll32.exe rundll32.exe PID 1304 wrote to memory of 1564 1304 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\coral_extract.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\coral_extract.dll,#12⤵PID:1564
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 6003⤵
- Program crash
PID:1404
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1564 -ip 15641⤵PID:4660