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Analysis
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max time kernel
141s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03/10/2024, 05:31
Static task
static1
Behavioral task
behavioral1
Sample
0e2614021d554b0534d0fb8e50dadd5e_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0e2614021d554b0534d0fb8e50dadd5e_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$R3/dvflekzd.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$R3/dvflekzd.dll
Resource
win10v2004-20240802-en
General
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Target
$R3/dvflekzd.dll
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Size
328KB
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MD5
ef63a544e38c3a3f1f40d51cdd67466b
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SHA1
5f3e77446c880b9ddcce9dfb26442f2631d9b9b9
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SHA256
f35d0b4b42d3c8800f146e96924be72e6c3c4cdf5eebd5ae59127e276bbc12cc
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SHA512
83cdaac3504701319e07a14a18170813dd4914faa1b75e73ae5beeb23a44eb1cdee5b772d606de9938f99c4fe6808998677638970ed1c4639e58b5fa57effff9
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SSDEEP
3072:x4YhwY/+JeDLUsVQ59c2fRHwjVHqM5IZrqTMa4sb8qLoE+1:nh0ItV01fWHP5Erta4sblV+
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe = "RUNDLL32.EXE C:\\Users\\Admin\\AppData\\Local\\Adobe\\dvhmmpnk.dll,FilterSetEffectID" rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RUNDLL32.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1908 rundll32.exe 2124 RUNDLL32.EXE 2124 RUNDLL32.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1908 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2124 RUNDLL32.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 2360 wrote to memory of 1908 2360 rundll32.exe 30 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31 PID 1908 wrote to memory of 2124 1908 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$R3\dvflekzd.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$R3\dvflekzd.dll,#12⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\RUNDLL32.EXERUNDLL32.EXE C:\Users\Admin\AppData\Local\Adobe\dvhmmpnk.dll,FilterSetEffectID3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2124
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