Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system - submitted
18/04/2024, 17:13
Static task
static1
Behavioral task
behavioral1
Sample
f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
- Target f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
- Size 731KB
- Sample240418-vrnt8abd3z
- SHA256 4849dbdaa543b1235a1f8898c99a782d683bcc95353839889b1c0619d113ccaf
- MD5 f86b78245fc59a9841529d0bc4ad6d26
- SHA1 4bae6c52736aafbb902f538d5c122cdd1295b2f5
- SHA512 658d16b1950de2ca440df0275e8538760c92355aece2ffb97b126d8b6710e3e095d63aaf5b3cb2b56123428af3cdf222e7f7046ed185384352fbee67afd0d470
- SSDEEP 12288:dSipfyYZ7k2iNeHK7zqERSXDFHwAylaorX9C2An8JbiiMIIY0XTIeClGsVVunBj3:dSsrZo1beFX5HMlTsinIvcvAONCQ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.ylmzgrup.com
-
Port
587
-
Username
-
Password
2015Bmws1000rr
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1432-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger - Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 checkip.dyndns.org 30 freegeoip.app 31 freegeoip.app - Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2876 set thread context of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 5032 1432 WerFault.exe 90 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2844 schtasks.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1432 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1432 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2876 wrote to memory of 2844 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 88 PID 2876 wrote to memory of 2844 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 88 PID 2876 wrote to memory of 2844 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 88 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90 PID 2876 wrote to memory of 1432 2876 f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gdDJFprXaHtL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10A5.tmp"2⤵
- Creates scheduled task(s)
PID:2844
-
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C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 18083⤵
- Program crash
PID:5032
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1432 -ip 14321⤵PID:1844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe.log
- Size 1KB
- SHA256 d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
- MD5 5200da2e50f24d5d543c3f10674acdcb
- SHA1 b574a3336839882d799c0a7f635ea238efb934ee
- SHA512 24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp10A5.tmp
- Size 1KB
- SHA256 ebdf0683f2b1b2eb8cc9542345c7eb9027ba4408b147295680ccaede974002a9
- MD5 9996eefc80eeeef12a11d2226e0b3808
- SHA1 abdc5cb8fa616a537559fed342b0d40b21232df6
- SHA512 0bebccc3d4eeb124b39736a336342a94e229e68ca3b7f90c39c7d38d5d935849fa077df43ab4036c1b5f4f65e54cd7d6f5ec5d292951e17815192366f6f226a9
- MD5 SHA1 SHA512