Analysis
- max time kernel
150s - max time network
150s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
- submitted
06/04/2024, 23:20
General
- Target e38762223f23dd3373ba4bff00f94c7a_JaffaCakes118.exe
- Size 515KB
- Sample240406-3bs31adh7x
- SHA256 4a6f525c5728145789924c96d5c8786dde14054a1d2a39db9c22fa8b30db0d6e
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Obfuscated with Agile.Net obfuscator 5 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e38762223f23dd3373ba4bff00f94c7a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e38762223f23dd3373ba4bff00f94c7a_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp365C.tmp.cmd""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
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C:\Windows\system32\schtasks.exeschtasks.exe /create /f /sc MINUTE /mo 1 /tn "Microsoft Edge" /tr "'C:\Users\Admin\AppData\Roaming\Microsoft Edge\Microsoft Edge.exe"'3⤵
- Creates scheduled task(s)
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-
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C:\Windows\system32\taskeng.exetaskeng.exe {4CA6C644-6B99-49E0-805F-1F2CAC9E85DC} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft Edge\Microsoft Edge.exe"C:\Users\Admin\AppData\Roaming\Microsoft Edge\Microsoft Edge.exe"2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
94308059B57B3142E455B38A6EB92015
Tar42E1.tmp
tmp365C.tmp.cmd
Microsoft Edge.exe
memory/2700-0-0x00000000002E0000-0x0000000000366000-memory.dmp
memory/2700-1-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2700-2-0x000000001B100000-0x000000001B180000-memory.dmp
memory/2700-12-0x000000001B106000-0x000000001B16D000-memory.dmp
memory/2700-13-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2772-28-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-34-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-21-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-22-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-23-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-24-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-25-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-26-0x000007FEF4D90000-0x000007FEF577C000-memory.dmp
memory/2772-27-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-18-0x000007FEF4D90000-0x000007FEF577C000-memory.dmp
memory/2772-29-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-30-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-31-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-32-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-33-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-20-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-35-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-36-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-37-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-38-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-39-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-40-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-41-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-42-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-43-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-44-0x000000001A770000-0x000000001A7E6000-memory.dmp
memory/2772-45-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-46-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-19-0x000000001AD40000-0x000000001ADC0000-memory.dmp
memory/2772-17-0x0000000000280000-0x0000000000306000-memory.dmp