Analysis
- max time kernel
300s - max time network
304s - platform
windows7_x64 - resource
win7-de-20211104 - submitted
22/11/2021, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win7-ja-20211104
Behavioral task
behavioral2
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win7-en-20211014
Behavioral task
behavioral3
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win7-de-20211104
Behavioral task
behavioral4
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win11
Behavioral task
behavioral5
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win10-ja-20211014
Behavioral task
behavioral6
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win10-en-20211014
Behavioral task
behavioral7
Sample
5d3fa145fb26c55c03d3c2c48495251e.dll
Resource
win10-de-20211104
General
- Target 5d3fa145fb26c55c03d3c2c48495251e.dll
- Size 133KB
- Sample211122-qs2p9afehp
- SHA256 43440e9a6d2d0a68b84f7885fda26748fa86de6ca709a883959e2640f3f706bf
- MD5 5d3fa145fb26c55c03d3c2c48495251e
- SHA1 383fb47c582ec9375d03b97746cda9af5b93871e
- SHA512 2cc20fc9cef78d7c960882dcb68c1c25ee843de9050795099f5d7d84e4cfabab4afa632ee06a2887530fb19a04b60580b97669a67e8c7b2e97374bf6147c00da
- MD5 SHA1 SHA512
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1940 1444 WerFault.exe 27 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1940 WerFault.exe 1940 WerFault.exe 1940 WerFault.exe 1940 WerFault.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1940 WerFault.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1940 WerFault.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 876 wrote to memory of 1444 876 regsvr32.exe 27 PID 1444 wrote to memory of 1940 1444 regsvr32.exe 29 PID 1444 wrote to memory of 1940 1444 regsvr32.exe 29 PID 1444 wrote to memory of 1940 1444 regsvr32.exe 29 PID 1444 wrote to memory of 1940 1444 regsvr32.exe 29
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5d3fa145fb26c55c03d3c2c48495251e.dll1⤵
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5d3fa145fb26c55c03d3c2c48495251e.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 2963⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1940
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-
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C:\Windows\system32\taskeng.exetaskeng.exe {5DA22874-DB88-4FCA-A017-5785302C332D} S-1-5-18:NT AUTHORITY\System:Service:1⤵PID:1720