Analysis
-
max time kernel
135s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 17:33
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
Resource
win7-20240611-en
7 signatures
150 seconds
General
-
Target
af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
-
Size
84KB
-
MD5
af92651fbd190718d77dbfef30375aa6
-
SHA1
55de591779d306a8adc1595c0662ec65038113ac
-
SHA256
3525a326d6d288a5fe54cb8ef690c0ed4e95a95f4578e6f4385194705b0f0c0a
-
SHA512
fc2f4727199d4a815d32ce6bc4908ece41e86444323e372fa279c486164422cf600f9b91f148256d183753540ec5650ac6e94ce9bbceb609a935152a811ac842
-
SSDEEP
1536:EkYSJwG0TnvjvSzHMOrAt6eyegGr/JvR0fVAdMFNtE+vp:Ek93OnroLr0yeDr/JpAA8v
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
Processes:
certshed.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat certshed.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies data under HKEY_USERS 21 IoCs
Processes:
certshed.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4 certshed.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\b6-98-87-75-04-e4 certshed.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4\WpadDecisionTime = 8039d51c4abfda01 certshed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings certshed.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" certshed.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 certshed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad certshed.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F} certshed.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4\WpadDecision = "0" certshed.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f017c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 certshed.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4\WpadDecisionReason = "1" certshed.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadNetworkName = "Network 3" certshed.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings certshed.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections certshed.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix certshed.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" certshed.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadDecisionTime = 8039d51c4abfda01 certshed.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 certshed.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" certshed.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadDecisionReason = "1" certshed.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadDecision = "0" certshed.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
certshed.exepid process 2780 certshed.exe 2780 certshed.exe 2780 certshed.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exepid process 2744 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
af92651fbd190718d77dbfef30375aa6_JaffaCakes118.execertshed.exedescription pid process target process PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 752 wrote to memory of 2744 752 af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe PID 2776 wrote to memory of 2780 2776 certshed.exe certshed.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"2⤵
- Suspicious behavior: RenamesItself
-
C:\Windows\SysWOW64\certshed.exeC:\Windows\SysWOW64\certshed.exe1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\certshed.exe"C:\Windows\SysWOW64\certshed.exe"2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/752-1-0x0000000000280000-0x000000000028D000-memory.dmpFilesize
52KB
-
memory/752-5-0x0000000000280000-0x000000000028D000-memory.dmpFilesize
52KB
-
memory/752-0-0x0000000000270000-0x000000000027D000-memory.dmpFilesize
52KB
-
memory/2744-24-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
-
memory/2744-6-0x00000000005C0000-0x00000000005CD000-memory.dmpFilesize
52KB
-
memory/2744-11-0x00000000005D0000-0x00000000005DD000-memory.dmpFilesize
52KB
-
memory/2744-7-0x00000000005D0000-0x00000000005DD000-memory.dmpFilesize
52KB
-
memory/2776-12-0x0000000000280000-0x000000000028D000-memory.dmpFilesize
52KB
-
memory/2776-13-0x0000000000420000-0x000000000042D000-memory.dmpFilesize
52KB
-
memory/2776-17-0x0000000000420000-0x000000000042D000-memory.dmpFilesize
52KB
-
memory/2780-18-0x0000000000200000-0x000000000020D000-memory.dmpFilesize
52KB
-
memory/2780-23-0x0000000000290000-0x000000000029D000-memory.dmpFilesize
52KB
-
memory/2780-19-0x0000000000290000-0x000000000029D000-memory.dmpFilesize
52KB