Overview
overview
7Static
static
763cf7a7b3d...18.exe
windows7-x64
763cf7a7b3d...18.exe
windows10-2004-x64
7$PLUGINSDI...rt.dll
windows7-x64
3$PLUGINSDI...rt.dll
windows10-2004-x64
3$PLUGINSDI...nt.dll
windows7-x64
3$PLUGINSDI...nt.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDIR/Math.dll
windows7-x64
3$PLUGINSDIR/Math.dll
windows10-2004-x64
3$PLUGINSDI...er.exe
windows7-x64
3$PLUGINSDI...er.exe
windows10-2004-x64
3$_2_/Uninstall.exe
windows7-x64
7$_2_/Uninstall.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...ut.dll
windows7-x64
3$PLUGINSDI...ut.dll
windows10-2004-x64
3$PLUGINSDI...sh.dll
windows7-x64
3$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDIR/ef.exe
windows7-x64
3$PLUGINSDIR/ef.exe
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
1$PLUGINSDIR/inetc.dll
windows10-2004-x64
1Analysis
-
max time kernel
140s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 15:36
Behavioral task
behavioral1
Sample
63cf7a7b3dfc548d5376a3ef2c478419_JaffaCakes118.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
63cf7a7b3dfc548d5376a3ef2c478419_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BaseConvert.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BaseConvert.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/ButtonEvent.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/ButtonEvent.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/Dialer.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/Dialer.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/Linker.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/Linker.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/Math.dll
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/Math.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/SimpleInstaller.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/SimpleInstaller.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
$_2_/Uninstall.exe
Resource
win7-20240220-en
Behavioral task
behavioral20
Sample
$_2_/Uninstall.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240419-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/ThreadTimer.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/ThreadTimer.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/Timeout.dll
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/Timeout.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/blowfish.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/blowfish.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/ef.exe
Resource
win7-20240508-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/ef.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20240426-en
General
-
Target
$PLUGINSDIR/BaseConvert.dll
-
Size
48KB
-
MD5
d0419b6814f1b8e12b7b70616fedd0c7
-
SHA1
ef5fcbc2fa3623be8cf82def59a696bf946777ec
-
SHA256
14a4c7d96d87cb23038d688e80919d727f0cdb3b51859115f14c0af3248f109c
-
SHA512
d95cf9e3ef07154c83d26d9c57e3d7096f9cd8700aadf72c2e6b33264e46cd6314e072e9f11529431d484d4856f64c611b07c7bbd2bdb197ff593743a1ce1a34
-
SSDEEP
768:An+ebJ0jVhJRQxvxrcE4GdB0MTLg2wnqP3vjFIQ8UocokiB9l6HUbtJZ5oi//phM:rVJRywE8MTLg2FIooNwkHLo5
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4816 3056 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2588 wrote to memory of 3056 2588 rundll32.exe rundll32.exe PID 2588 wrote to memory of 3056 2588 rundll32.exe rundll32.exe PID 2588 wrote to memory of 3056 2588 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BaseConvert.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BaseConvert.dll,#12⤵PID:3056
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 6003⤵
- Program crash
PID:4816
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 30561⤵PID:4004
-
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=4376,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4424 /prefetch:81⤵PID:2424