Overview
overview
6Static
static
3download/M...rm.exe
windows7-x64
6download/M...rm.exe
windows10-2004-x64
6download/X...er.dll
windows7-x64
1download/X...er.dll
windows10-2004-x64
3download/X...rt.exe
windows7-x64
1download/X...rt.exe
windows10-2004-x64
1download/atl71.dll
windows7-x64
1download/atl71.dll
windows10-2004-x64
1download/d...id.dll
windows7-x64
1download/d...id.dll
windows10-2004-x64
1download/d...ne.dll
windows7-x64
1download/d...ne.dll
windows10-2004-x64
1download/minizip.dll
windows7-x64
1download/minizip.dll
windows10-2004-x64
3download/msvcp71.dll
windows7-x64
3download/msvcp71.dll
windows10-2004-x64
3download/msvcr71.dll
windows7-x64
3download/msvcr71.dll
windows10-2004-x64
3download/zlib1.dll
windows7-x64
3download/zlib1.dll
windows10-2004-x64
3Analysis
-
max time kernel
139s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 02:15
Static task
static1
Behavioral task
behavioral1
Sample
download/MiniThunderPlatform.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
download/MiniThunderPlatform.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
download/XLBugHandler.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
download/XLBugHandler.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
download/XLBugReport.exe
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
download/XLBugReport.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
download/atl71.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
download/atl71.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
download/dl_peer_id.dll
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
download/dl_peer_id.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
download/download_engine.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
download/download_engine.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
download/minizip.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
download/minizip.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
download/msvcp71.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
download/msvcp71.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
download/msvcr71.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
download/msvcr71.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
download/zlib1.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
download/zlib1.dll
Resource
win10v2004-20240508-en
General
-
Target
download/msvcr71.dll
-
Size
346KB
-
MD5
11316988db0e63468529beff50eccdbe
-
SHA1
e8c2678b077dd21e6818c4cc4cb565002f090fd3
-
SHA256
86ec6808c1977f31677dd371ddbc2c4ecaa11c236466c556cdeb00e7dd3f2e96
-
SHA512
c1ee53103afa7652f1b850347341f3850b724b4a574fffbe1b9c5f3bd5661bc0e347f4676c325c88108593e2f88ce5e5f948f628df181a1cc18d471687ad23ff
-
SSDEEP
6144:WcV9z83OtqxnEYmt3NEnvfF+Tbmbw6An8FMciFMNrb3YgxxpbCAOxO2ElvlE9:Woz83OtIEzW+/m/AyF7bCrO/E9
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3236 5104 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5076 wrote to memory of 5104 5076 rundll32.exe 90 PID 5076 wrote to memory of 5104 5076 rundll32.exe 90 PID 5076 wrote to memory of 5104 5076 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\download\msvcr71.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\download\msvcr71.dll,#12⤵PID:5104
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 6003⤵
- Program crash
PID:3236
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 5104 -ip 51041⤵PID:816
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:4708