Analysis
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max time kernel
142s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2024, 00:10
Static task
static1
Behavioral task
behavioral1
Sample
ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe
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Size
48KB
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MD5
ff8d576d2a44ebd419da4cd03cd49ba6
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SHA1
31de103753c826ed42883ab98daeeff443f12926
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SHA256
3ec257ac5b1594efa6862e7dfa6d4a4ed56f81ffb9e5320ce9dc95baaf9f00e1
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SHA512
ee719ac80d1b8a1b0bee99ad40aef23ec9a3bcb37f024eca902915209620624574256622782d1b8324d08e32bb4c30c8c04c0f17c52a0686819f5721e6b7de7a
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SSDEEP
384:lMd/UDAlKJ+dfZhnISoz2w3z/heMLxgbbMBrTjeVTJ/8jd/wnNnUw0mgWbrwrC95:lk/kAEIlNE2o1LxnBXjeVTJUjJwolVF
Malware Config
Extracted
guloader
https://onedrive.live.com/download?cid=4C3F5C65A99DA195&resid=4C3F5C65A99DA195%21164&authkey=ALVVLt1t0mIlYck
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe 4996 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4236 set thread context of 4996 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4236 wrote to memory of 4996 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe 82 PID 4236 wrote to memory of 4996 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe 82 PID 4236 wrote to memory of 4996 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe 82 PID 4236 wrote to memory of 4996 4236 ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe"1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Users\Admin\AppData\Local\Temp\ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ff8d576d2a44ebd419da4cd03cd49ba6_JaffaCakes118.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:4996
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