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Analysis
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max time kernel
140s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/01/2025, 20:44
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe
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Size
204KB
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MD5
25450849d2cf016dcdda97abeae2288b
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SHA1
7db9882a46173d7c61b88ef741e5dfd280f74ed5
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SHA256
d9b256faf828ea5585227841cfe8d384774fbac5e5e55b0dad5125d3af86e9ed
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SHA512
9d159f57a3d24d268b5d49652294f9fbc87e5ad935651987cb5ba21694964d9ea78a8eb49dbbf3310a8fe0f2e9805e2488d49b2d32f63c83d44dd5b76a27e41a
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SSDEEP
3072:njAqi+TogitjfCqObAjYxxNO9WYSRTFDDr7oA3qZ8PoIW2j6e:njAtbljO0jyNvFDMA3qKoLe
Malware Config
Signatures
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Cycbot family
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Detects Cycbot payload 5 IoCs
Cycbot is a backdoor and trojan written in C++.
resource yara_rule behavioral1/memory/2720-8-0x0000000000400000-0x000000000046E000-memory.dmp family_cycbot behavioral1/memory/1840-16-0x0000000000400000-0x000000000046E000-memory.dmp family_cycbot behavioral1/memory/1840-73-0x0000000000400000-0x000000000046E000-memory.dmp family_cycbot behavioral1/memory/2104-76-0x0000000000400000-0x000000000046E000-memory.dmp family_cycbot behavioral1/memory/1840-147-0x0000000000400000-0x000000000046E000-memory.dmp family_cycbot -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral1/memory/1840-2-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/2720-8-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/2720-7-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/1840-16-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/1840-73-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/2104-75-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/2104-76-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/1840-147-0x0000000000400000-0x000000000046E000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 3 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 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1840 wrote to memory of 2720 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 31 PID 1840 wrote to memory of 2720 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 31 PID 1840 wrote to memory of 2720 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 31 PID 1840 wrote to memory of 2720 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 31 PID 1840 wrote to memory of 2104 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 33 PID 1840 wrote to memory of 2104 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 33 PID 1840 wrote to memory of 2104 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 33 PID 1840 wrote to memory of 2104 1840 JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe"1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft2⤵
- System Location Discovery: System Language Discovery
PID:2720
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25450849d2cf016dcdda97abeae2288b.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp2⤵
- System Location Discovery: System Language Discovery
PID:2104
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD51455578bb493c1f3f736a6640986310c
SHA13f78d22dc2f51b121b66e371fb86c72d84b8dc09
SHA25610d37940cc2e449588033973c0d45267e347481fb8f0771d6ae90a4049f58700
SHA51217d4ee254f8385bd10dff01e27ed00d95b969264637f54ef5aa09282b3496539aa313ec469d2cad9c939e2a7e8631602c0790d9e108ca6b1ba64000fa942ce01
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Filesize
600B
MD55303e592c5151b5d4f46d1d99427109f
SHA140f0049cc5b46496415da3b8479c362da366b2dc
SHA2569ea638aec418c00775cf0999e2d80e68511433a8e7ad7d5d13dc19620898da3f
SHA512095df125aed6dda076535df14017bdcb9e30ce0fdd4223d6fa82e33cab732cc8a38bddb417919516a6f8ce64f376402a861eeee1bfe4afa96e8c4cf2715654a8
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Filesize
996B
MD52f34c83c62472afc703135e3e1f79b9d
SHA1d4fc495e2aa1b6cef47b05ae46c968457ce14eee
SHA25668967b81d5ebf6509f1666aae084986f68469385a7b77b744269de604f95b2de
SHA512710982308f1039040d661337d8a6476fc854cae9343f84471fab432a2a396bee49fbaf68fce284c6715eeb4a96eb81950aa14eac66b95b44bd97d2c6abf1c1ed