Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2024, 02:45
Behavioral task
behavioral1
Sample
a944e7b43430854145a2ff04d566840a_JaffaCakes118.dll
Resource
win7-20240704-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
a944e7b43430854145a2ff04d566840a_JaffaCakes118.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
a944e7b43430854145a2ff04d566840a_JaffaCakes118.dll
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Size
118KB
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MD5
a944e7b43430854145a2ff04d566840a
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SHA1
5c1c1c26c62445f703bfce997216a0a97a11425f
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SHA256
946021287c607f00e7b268eaa7e4ca52a1c8f442cefce0b446775bc406264545
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SHA512
a0449f524da897238d82b3ce82bfbf3d262711f40fd8fb54be84a1861bec4b2569138c157b67c22594e2c6cd4faf2ec032016b2e9114ca2cddb6b66690984d77
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SSDEEP
1536:pCeQ/Uvkeb2nA+fOsw1pDTNP6+sSPFeK4L4hBAtayRvnouy8FKmM:vktM2nlOl1ZTV6+tBAtfoutAv
Malware Config
Signatures
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Blocklisted process makes network request 6 IoCs
flow pid Process 34 3696 rundll32.exe 50 3696 rundll32.exe 51 3696 rundll32.exe 67 3696 rundll32.exe 80 3696 rundll32.exe 81 3696 rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 3696 rundll32.exe -
resource yara_rule behavioral2/memory/1648-0-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/files/0x0003000000022a80-4.dat upx behavioral2/memory/3696-6-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/memory/1648-7-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/memory/3696-8-0x0000000010000000-0x000000001001F000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\msreotx.dll rundll32.exe File created C:\Windows\msreotx.dll rundll32.exe -
Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
pid Process 3696 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 -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "a944e7b43430854145a2ff04d566840a_JaffaCakes118.dll,1311223622,-1223061522,-1814625877" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe 3696 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4576 wrote to memory of 1648 4576 rundll32.exe 84 PID 4576 wrote to memory of 1648 4576 rundll32.exe 84 PID 4576 wrote to memory of 1648 4576 rundll32.exe 84 PID 1648 wrote to memory of 3696 1648 rundll32.exe 88 PID 1648 wrote to memory of 3696 1648 rundll32.exe 88 PID 1648 wrote to memory of 3696 1648 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a944e7b43430854145a2ff04d566840a_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a944e7b43430854145a2ff04d566840a_JaffaCakes118.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msreotx.dll",_RunAs@163⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Access Token Manipulation: Create Process with Token
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
118KB
MD5a944e7b43430854145a2ff04d566840a
SHA15c1c1c26c62445f703bfce997216a0a97a11425f
SHA256946021287c607f00e7b268eaa7e4ca52a1c8f442cefce0b446775bc406264545
SHA512a0449f524da897238d82b3ce82bfbf3d262711f40fd8fb54be84a1861bec4b2569138c157b67c22594e2c6cd4faf2ec032016b2e9114ca2cddb6b66690984d77