Analysis
-
max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2024 14:29
Static task
static1
Behavioral task
behavioral1
Sample
f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe
Resource
win7-20240903-en
General
-
Target
f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe
-
Size
178KB
-
MD5
f232ddd059c6b6f4dd06a108ddc345fa
-
SHA1
40aea6cac746247895abb6efdf73cd594a359b90
-
SHA256
cb41db92f2c3b9afa422fc65a6df8e55d26fadac58077fa706bc5c40929c89cb
-
SHA512
a429306fae3f4f78659037ff7de68c9bac4e2ce202d1d4020fad091125ba1804ed90f188ebb43d71b1c9a33f2e3962ee5589813534fa50795915c5fa02629766
-
SSDEEP
3072:zzFEhJHHIUjCgArLEZXApH3UHE360+SYU6RWRNMhKjSjc:nFkHIU2Y9KEHE36fS0Erm4
Malware Config
Signatures
-
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 redistunpack.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE redistunpack.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies redistunpack.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 redistunpack.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 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 f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language redistunpack.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language redistunpack.exe -
Modifies data under HKEY_USERS 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix redistunpack.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" redistunpack.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" redistunpack.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe 4768 redistunpack.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1408 f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2820 wrote to memory of 1408 2820 f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe 82 PID 2820 wrote to memory of 1408 2820 f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe 82 PID 2820 wrote to memory of 1408 2820 f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe 82 PID 3364 wrote to memory of 4768 3364 redistunpack.exe 89 PID 3364 wrote to memory of 4768 3364 redistunpack.exe 89 PID 3364 wrote to memory of 4768 3364 redistunpack.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Users\Admin\AppData\Local\Temp\f232ddd059c6b6f4dd06a108ddc345fa_JaffaCakes118.exe--5d8b1c862⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
PID:1408
-
-
C:\Windows\SysWOW64\redistunpack.exe"C:\Windows\SysWOW64\redistunpack.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Windows\SysWOW64\redistunpack.exe--98f250bd2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4768
-