Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 00:41
Behavioral task
behavioral1
Sample
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
Resource
win7-20240419-en
General
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Target
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe
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Size
227KB
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MD5
a330f18a93dde771c79aabba50f656d2
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SHA1
d75947d0fa94ac020ed09234ea7dc2b835d3d401
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SHA256
4469e80eda471f927299af3d336a8beb470c720aa563baf4940cb7647e488b67
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SHA512
9e22bbb5289fa0f480e3135f1efafee1f02d74e085f1ed5d09e8fe5c4233a1212a70324cbefadf2bd243675c0f6da71c3a126997f53a8491129a5f0711fc67ac
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SSDEEP
6144:JLV6Bta6dtJmakIM5HOeRKTSo2zCyUUSw:JLV6BtpmkZeRKOoGH
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe" a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe -
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exedescription ioc process File created C:\Program Files (x86)\DOS Manager\dosmgr.exe a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\DOS Manager\dosmgr.exe a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1664 schtasks.exe 2900 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exepid process 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exepid process 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exedescription pid process target process PID 2052 wrote to memory of 1664 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 1664 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 1664 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 1664 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 2900 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 2900 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 2900 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe PID 2052 wrote to memory of 2900 2052 a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a330f18a93dde771c79aabba50f656d2_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp17F4.tmp"2⤵
- Creates scheduled task(s)
PID:1664 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1871.tmp"2⤵
- Creates scheduled task(s)
PID:2900
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp17F4.tmpFilesize
1KB
MD5656ce2127065565ca809451d6d6f18ad
SHA11191a10926d0ff1e0af41fd6a6f15285aaedfbf7
SHA256f52e0faf9b54c546c0989b3904158c0ee325fd4e5392a1f74fbccfd97f184231
SHA512cd0db0676570b01729d793548752429c7618c851d6b86b67ae312ac2b52386ba96f97ac1612d7c734744b0c1987e229a51cfd5c6c8af4c5b3e9c3d09436a34e6
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C:\Users\Admin\AppData\Local\Temp\tmp1871.tmpFilesize
1KB
MD58f5713b14cee3089852f6c8d2a7a7d57
SHA18bffbea05715c6434ad593cce8a2c737f80ff788
SHA256ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c
SHA51282bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72
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memory/2052-0-0x00000000746D1000-0x00000000746D2000-memory.dmpFilesize
4KB
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memory/2052-1-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/2052-2-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/2052-10-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB