Analysis
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max time kernel
144s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 17:26
Static task
static1
Behavioral task
behavioral1
Sample
eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe
Resource
win10v2004-20231215-en
General
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Target
eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe
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Size
649KB
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MD5
eb9b03a776a327680543a3c3085aa000
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SHA1
13ded02f8a3ce0ed2a81c0c6dfb1adedbcde89e4
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SHA256
8decbff81fe33a0f2b9f037c87885bb6e5f1af2171a0a4471b2737b5c93aff1b
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SHA512
8b0c8afc09550e243ec159184c43f7d0e52cac0c40812466fa7982cb5c89052987ff480bd82b8385cc43d5a27d63ba748708fc4c0a8bbdf9073ad05f867204e8
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SSDEEP
12288:bN2EkJysKFyCYDkib34253mYCog78YZyYNPqIVtqacxI0yeIB:bNeJysKFmtb42EXog78CyMv3ncynn
Malware Config
Signatures
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 checkip.dyndns.org -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe Token: SeRestorePrivilege 1524 dw20.exe Token: SeBackupPrivilege 1524 dw20.exe Token: SeBackupPrivilege 1524 dw20.exe Token: SeBackupPrivilege 1524 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1736 wrote to memory of 1524 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 92 PID 1736 wrote to memory of 1524 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 92 PID 1736 wrote to memory of 1524 1736 eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eb9b03a776a327680543a3c3085aa000_JaffaCakes118.exe"1⤵
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 17242⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:1524
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