Overview
overview
7Static
static
7658e8407e9...18.exe
windows7-x64
3658e8407e9...18.exe
windows10-2004-x64
3$TEMP/Team...r_.exe
windows7-x64
7$TEMP/Team...r_.exe
windows10-2004-x64
7$PLUGINSDI...64.dll
windows7-x64
3$PLUGINSDI...64.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows7-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$TEMP/Team...AS.exe
windows7-x64
1$TEMP/Team...AS.exe
windows10-2004-x64
1$TEMP/Team...TV.dll
windows7-x64
3$TEMP/Team...TV.dll
windows10-2004-x64
3$TEMP/Team...er.exe
windows7-x64
7$TEMP/Team...er.exe
windows10-2004-x64
7$TEMP/Team...ce.exe
windows7-x64
1$TEMP/Team...ce.exe
windows10-2004-x64
1Analysis
-
max time kernel
139s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 01:40
Behavioral task
behavioral1
Sample
658e8407e9f68028acd01f749fae5fdd_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
658e8407e9f68028acd01f749fae5fdd_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$TEMP/TeamViewer/Version4/TeamViewer_.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$TEMP/TeamViewer/Version4/TeamViewer_.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/Base64.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win7-20240419-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
$TEMP/TeamViewer/Version4/SAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$TEMP/TeamViewer/Version4/SAS.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
$TEMP/TeamViewer/Version4/TV.dll
Resource
win7-20240220-en
Behavioral task
behavioral20
Sample
$TEMP/TeamViewer/Version4/TV.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
$TEMP/TeamViewer/Version4/TeamViewer.exe
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
$TEMP/TeamViewer/Version4/TeamViewer.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
$TEMP/TeamViewer/Version4/TeamViewer_Service.exe
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$TEMP/TeamViewer/Version4/TeamViewer_Service.exe
Resource
win10v2004-20240426-en
General
-
Target
$PLUGINSDIR/NSISdl.dll
-
Size
12KB
-
MD5
cba76738860b6d501ce742d0a6f2fbd8
-
SHA1
c1b9987f56244d9e8c3a6e2e52d2446fef026496
-
SHA256
17bc8aa627f3d71a81f3f698ca7c2768138178b7875afee4fb8d6144fd91f9a1
-
SHA512
ab2460149e7034843cdb28b1203a0b2082ce9ddfc3d9d8c09994ef5f392ba62e7b6c4125c181489d6b02f1a9ef4eb408d366d6c5e98a552ea724f48566cd73b7
-
SSDEEP
384:axHcylos+6YH6raH8JzJJx7q6aVUkTTAo:axHcyOs+enlj7/aVUkTTAo
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 552 5032 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2184 wrote to memory of 5032 2184 rundll32.exe rundll32.exe PID 2184 wrote to memory of 5032 2184 rundll32.exe rundll32.exe PID 2184 wrote to memory of 5032 2184 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 6243⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 5032 -ip 50321⤵
-
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 --field-trial-handle=4036,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:81⤵