Analysis
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max time kernel
95s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 05:39
Static task
static1
Behavioral task
behavioral1
Sample
f79006ba2a3876ab9305195cc8d0c2f0_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
f79006ba2a3876ab9305195cc8d0c2f0_JaffaCakes118.dll
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Size
200KB
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MD5
f79006ba2a3876ab9305195cc8d0c2f0
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SHA1
9d21ff94924ade4cfa131191a9a7024027e9beb1
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SHA256
eb42d640fd9705235e742c0f81f14065aefdaae8217639ba14486d6ab8eb6fee
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SHA512
daea132cf93e5e6ba419bb413613c35e24f324abb4ce5f403adbfe4a03d0deaa32db3848e2acc00b980d134c1cf9354fb151bfc4d713abe5066f55bb0f4fcde2
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SSDEEP
3072:DOBOLWXivHYMzv2HvP5YeBTEEP2831Vr/rF8QOSta7Wefkka+4BCLUIXCjtmVlGJ:DOp8HpzdQOStKIdSUIXCYGcDlTVE
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 784 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/files/0x000c000000023b38-3.dat upx behavioral2/memory/784-4-0x0000000000400000-0x000000000046A000-memory.dmp upx behavioral2/memory/784-7-0x0000000000400000-0x000000000046A000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3956 784 WerFault.exe 84 -
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 6 IoCs
description pid Process procid_target PID 4640 wrote to memory of 4964 4640 rundll32.exe 83 PID 4640 wrote to memory of 4964 4640 rundll32.exe 83 PID 4640 wrote to memory of 4964 4640 rundll32.exe 83 PID 4964 wrote to memory of 784 4964 rundll32.exe 84 PID 4964 wrote to memory of 784 4964 rundll32.exe 84 PID 4964 wrote to memory of 784 4964 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f79006ba2a3876ab9305195cc8d0c2f0_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f79006ba2a3876ab9305195cc8d0c2f0_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
PID:784 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 2604⤵
- Program crash
PID:3956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 784 -ip 7841⤵PID:3604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
101KB
MD51f92a7cf627f4c7d554d28326f1da954
SHA1b7befe20fd68856539347f0650473b6dad504863
SHA256fee6b0318f0ba98b8df448017226ad900167f9d7cb1d21d603f5da3022f29e00
SHA51207c8d54b2b68f11b9a05fd652f0dc5b3bc30de58eb20537846763bc011e64496c0636a8e37abbc96d07a6ff9c304141e38e8f0453760d48f753343eaa319fec5