Analysis
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max time kernel
141s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
02-07-2024 12:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1f4f8c28e684d5db5ce22f7742826700_JaffaCakes118.dll
Resource
win7-20240220-en
windows7-x64
6 signatures
150 seconds
General
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Target
1f4f8c28e684d5db5ce22f7742826700_JaffaCakes118.dll
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Size
248KB
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MD5
1f4f8c28e684d5db5ce22f7742826700
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SHA1
282a9257541437dbc586d4f953f4092f96dccaaa
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SHA256
3fde380555135b231bdff61f8ff4a28169e4df0c6b9eab4378cbf50160f3a235
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SHA512
5fc8d07c066114dbf1af31e0774c3c8a8a8c39c44be9b12bf28282f1daa7aa02fa335397620c3a27c3a49751983497ae656712f01be393871b359d5404949af9
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SSDEEP
6144:SSaBi2ZFUOnhD8mc3oOpvXZ26u/6mv5gdC:SXRZHnhvfOpvXUx/6cgdC
Malware Config
Extracted
Family
dridex
Botnet
111
C2
77.220.64.149:443
80.11.32.115:4646
77.81.247.140:5037
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2036-0-0x0000000075390000-0x00000000753D0000-memory.dmp dridex_ldr behavioral1/memory/2036-3-0x0000000075390000-0x00000000753D0000-memory.dmp dridex_ldr behavioral1/memory/2036-7-0x0000000075390000-0x00000000753D0000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 3 2036 rundll32.exe 7 2036 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe PID 2364 wrote to memory of 2036 2364 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1f4f8c28e684d5db5ce22f7742826700_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1f4f8c28e684d5db5ce22f7742826700_JaffaCakes118.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/2036-0-0x0000000075390000-0x00000000753D0000-memory.dmpFilesize
256KB
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memory/2036-2-0x0000000000190000-0x0000000000196000-memory.dmpFilesize
24KB
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memory/2036-3-0x0000000075390000-0x00000000753D0000-memory.dmpFilesize
256KB
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memory/2036-7-0x0000000075390000-0x00000000753D0000-memory.dmpFilesize
256KB