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Analysis
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max time kernel
140s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15/01/2025, 03:18
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe
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Size
165KB
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MD5
4ba75e78ae2bf5403530a4ecc083c1c3
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SHA1
28118be5be0eb63cd02b0941328449bb92da747d
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SHA256
1d9e42c7b932afa13ae0fae436f458e96898d27e5d1e54b479fc76ba53d97bee
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SHA512
609da943c6a6b116179e890985a162dcfe8b27f959c6e06db5a92d00990e2dce18be864b0ada7b810d3e4e0965dc34342f2d446596e15808d4b1e184f7c07d92
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SSDEEP
3072:hMMbRiYdtr+FnuJ2PaCZwXPlbPXHVO2oBvQ6xNDCnz1dShLeA184Uum9xVp:hzb0Ydp3Ehih1PoBI6HDw11A184UTxV
Malware Config
Signatures
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Cycbot family
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Detects Cycbot payload 8 IoCs
Cycbot is a backdoor and trojan written in C++.
resource yara_rule behavioral1/memory/2460-15-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot behavioral1/memory/2460-17-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot behavioral1/memory/2164-18-0x0000000000400000-0x000000000048E000-memory.dmp family_cycbot behavioral1/memory/2164-19-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot behavioral1/memory/2504-126-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot behavioral1/memory/2504-127-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot behavioral1/memory/2164-128-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot behavioral1/memory/2164-306-0x0000000000400000-0x0000000000491000-memory.dmp family_cycbot -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\C882E\\49232.exe" JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.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/2164-4-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2460-14-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2460-15-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2460-17-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2164-18-0x0000000000400000-0x000000000048E000-memory.dmp upx behavioral1/memory/2164-19-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2504-126-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2504-127-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2164-128-0x0000000000400000-0x0000000000491000-memory.dmp upx behavioral1/memory/2164-306-0x0000000000400000-0x0000000000491000-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_4ba75e78ae2bf5403530a4ecc083c1c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2164 wrote to memory of 2460 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 31 PID 2164 wrote to memory of 2460 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 31 PID 2164 wrote to memory of 2460 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 31 PID 2164 wrote to memory of 2460 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 31 PID 2164 wrote to memory of 2504 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 33 PID 2164 wrote to memory of 2504 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 33 PID 2164 wrote to memory of 2504 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 33 PID 2164 wrote to memory of 2504 2164 JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe"1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe startC:\Program Files (x86)\LP\327C\D5E.exe%C:\Program Files (x86)\LP\327C2⤵
- System Location Discovery: System Language Discovery
PID:2460
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ba75e78ae2bf5403530a4ecc083c1c3.exe startC:\Program Files (x86)\2E5B9\lvvm.exe%C:\Program Files (x86)\2E5B92⤵
- System Location Discovery: System Language Discovery
PID:2504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
996B
MD52f40ef4ceadebaa2164ca8cfcb3596bf
SHA1ed3a7de5a81f87b121576ebf3538347ef6c7f84d
SHA25623d8ab7e54c6c8009b72299562ff5a37e4676cf231aa0095c3a8a6601d701ce2
SHA5126b7fa0dc007b01dfd88e61d1e5c0a9055ac3f20acc67cd33657698ded92356b0b9d82b61c4ca05e5191f8279068443d56de0a693b399ef75806a39b03c2bc9b1
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Filesize
600B
MD538482b5ec075f0944283175c86ec96fb
SHA18bf94ed76d17be37f2f7ec27333adb9efd10139d
SHA2569853969624fa66c8924d523d967478e9407db2e9362ab706215a6187a62a1511
SHA512e0c5c851a6aefe1dcb03457d1c6eb36f2c39553c65c6962f53ef62b15cf6f7f2dbf47c1e9b69e8c3a0b9db9746a46f4e3befd7fbd99ad064343f96faee535c74
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Filesize
1KB
MD5ba7a1c353a1cb9afc5051979df9a1b69
SHA1bb907fa44454b8c73ce0a9a0c2566fb1b6542fe1
SHA256d5a04174b388e099c2d9b10d0d31336594656756205691ed409559eedde4d350
SHA5125dcf0e86303a69e27c828611f3fdd80ce8309ce5cc013b32ed93e3bba1e92831a79eb5800edb3187e5ee4499f5e628ef62c80f56abace8310083871c102e19df