Overview
overview
7Static
static
3JaffaCakes...15.exe
windows10-2004-x64
7$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDIR/Math.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...lr.exe
windows10-2004-x64
7$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDI...ib.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...eb.dll
windows10-2004-x64
3$PLUGINSDI...nz.dll
windows10-2004-x64
3$PLUGINSDI...ry.dll
windows10-2004-x64
3$PLUGINSDI...ib.dll
windows10-2004-x64
3Analysis
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max time kernel
104s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
12/04/2025, 23:53
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b2f5fcd33383fe487096b9654403a715.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/Math.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/arhnctrlr.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/blowfish.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/manlib.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsManWeb.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/registry.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/serlib.dll
Resource
win10v2004-20250410-en
General
-
Target
$PLUGINSDIR/Math.dll
-
Size
66KB
-
MD5
b140459077c7c39be4bef249c2f84535
-
SHA1
c56498241c2ddafb01961596da16d08d1b11cd35
-
SHA256
0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67
-
SHA512
fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328
-
SSDEEP
1536:0P43WZ4Ql60gam+2MwRmPeqFVHbQH0ZZ1Iet:0wU609VMH0T/t
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 5388 5356 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5836 wrote to memory of 5356 5836 rundll32.exe 83 PID 5836 wrote to memory of 5356 5836 rundll32.exe 83 PID 5836 wrote to memory of 5356 5836 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Math.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5836 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Math.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5356 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5356 -s 6003⤵
- Program crash
PID:5388
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5356 -ip 53561⤵PID:6020