Analysis
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max time kernel
130s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
03-07-2024 03:24
Behavioral task
behavioral1
Sample
20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe
Resource
win7-20240419-en
General
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Target
20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe
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Size
108KB
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MD5
20ebc8c8a59c8c0555473ea7dceb3917
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SHA1
2ab4d6ea573388e7f5ecb040c01833309a9cb75d
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SHA256
e46e31f18fff347507b937316f34f214b5a7701917edfe26c0aa0cfea4f299f5
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SHA512
9128f6d50a687b365f2e9d6d982db55980520677794f407ffbaffc76909004fc2e17338c0a9a3bc62e2902a27afe068c6f39a3569f8695a8ef14a0c3747eb47e
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SSDEEP
3072:mCrRG9LEWHyMp6awrpEoNLna7EP7N5Ltgxx:mCrs0JaYvnDPdgf
Malware Config
Signatures
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 177.231.157.189 -
Drops file in System32 directory 1 IoCs
Processes:
idebugsmall.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat idebugsmall.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 21 IoCs
Processes:
idebugsmall.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 idebugsmall.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" idebugsmall.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 idebugsmall.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19EA5457-7AE5-4AAD-8515-912278A51AE1}\WpadDecision = "0" idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19EA5457-7AE5-4AAD-8515-912278A51AE1}\02-cc-16-3e-ed-05 idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections idebugsmall.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad idebugsmall.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 idebugsmall.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19EA5457-7AE5-4AAD-8515-912278A51AE1}\WpadNetworkName = "Network 3" idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cc-16-3e-ed-05 idebugsmall.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cc-16-3e-ed-05\WpadDecisionTime = 8058619cf8ccda01 idebugsmall.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cc-16-3e-ed-05\WpadDecision = "0" idebugsmall.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19EA5457-7AE5-4AAD-8515-912278A51AE1} idebugsmall.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19EA5457-7AE5-4AAD-8515-912278A51AE1}\WpadDecisionReason = "1" idebugsmall.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-cc-16-3e-ed-05\WpadDecisionReason = "1" idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings idebugsmall.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" idebugsmall.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings idebugsmall.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{19EA5457-7AE5-4AAD-8515-912278A51AE1}\WpadDecisionTime = 8058619cf8ccda01 idebugsmall.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
idebugsmall.exepid process 2348 idebugsmall.exe 2348 idebugsmall.exe 2348 idebugsmall.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exepid process 2316 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe -
Suspicious use of UnmapMainImage 4 IoCs
Processes:
20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exeidebugsmall.exeidebugsmall.exepid process 1752 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe 2316 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe 2104 idebugsmall.exe 2348 idebugsmall.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exeidebugsmall.exedescription pid process target process PID 1752 wrote to memory of 2316 1752 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe PID 1752 wrote to memory of 2316 1752 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe PID 1752 wrote to memory of 2316 1752 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe PID 1752 wrote to memory of 2316 1752 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe 20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe PID 2104 wrote to memory of 2348 2104 idebugsmall.exe idebugsmall.exe PID 2104 wrote to memory of 2348 2104 idebugsmall.exe idebugsmall.exe PID 2104 wrote to memory of 2348 2104 idebugsmall.exe idebugsmall.exe PID 2104 wrote to memory of 2348 2104 idebugsmall.exe idebugsmall.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\20ebc8c8a59c8c0555473ea7dceb3917_JaffaCakes118.exe--ccaebc322⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
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C:\Windows\SysWOW64\idebugsmall.exe"C:\Windows\SysWOW64\idebugsmall.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\idebugsmall.exe--e93eb6b32⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/1752-0-0x00000000001B0000-0x00000000001C1000-memory.dmpFilesize
68KB
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memory/1752-1-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1752-2-0x00000000001B0000-0x00000000001C1000-memory.dmpFilesize
68KB
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memory/2104-5-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2316-3-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2316-4-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2316-6-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2348-7-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2348-8-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2348-9-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/2348-10-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB