Analysis
- max time kernel
149s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
27/08/2024, 00:33
General
- Target c41468fe40e62c704e9673588d427a42_JaffaCakes118.dll
- Size 1.2MB
- Sample240827-av65ravhpk
- SHA256 ff1da268d8bd85b1009b4525397bac1bfa6b6fe374ffe2e30d527c6e2d1acd3e
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Shellcode 1 IoCs
Detects Dridex Payload shellcode injected in Explorer process.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 20 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c41468fe40e62c704e9673588d427a42_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\BdeUISrv.exeC:\Windows\system32\BdeUISrv.exe1⤵
-
C:\Users\Admin\AppData\Local\vBS0\BdeUISrv.exeC:\Users\Admin\AppData\Local\vBS0\BdeUISrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\iexpress.exeC:\Windows\system32\iexpress.exe1⤵
-
C:\Users\Admin\AppData\Local\o3Be4rt5\iexpress.exeC:\Users\Admin\AppData\Local\o3Be4rt5\iexpress.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\systemreset.exeC:\Windows\system32\systemreset.exe1⤵
-
C:\Users\Admin\AppData\Local\qeUJqU\systemreset.exeC:\Users\Admin\AppData\Local\qeUJqU\systemreset.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
VERSION.dll
iexpress.exe
DUI70.dll
systemreset.exe
BdeUISrv.exe
WTSAPI32.dll
Yfsfrqrlkk.lnk
memory/2068-51-0x00007FFC195A0000-0x00007FFC196D1000-memory.dmp
memory/2068-46-0x00007FFC195A0000-0x00007FFC196D1000-memory.dmp
memory/2068-45-0x0000025410C70000-0x0000025410C77000-memory.dmp
memory/2400-68-0x00007FFC195A0000-0x00007FFC196D1000-memory.dmp
memory/2400-62-0x000001A328540000-0x000001A328547000-memory.dmp
memory/2912-79-0x00007FFC19560000-0x00007FFC196D6000-memory.dmp
memory/2912-82-0x00000278E9530000-0x00000278E9537000-memory.dmp
memory/2912-85-0x00007FFC19560000-0x00007FFC196D6000-memory.dmp
memory/3428-29-0x00007FFC28E30000-0x00007FFC28E40000-memory.dmp
memory/3428-15-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-35-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-6-0x00007FFC28DAA000-0x00007FFC28DAB000-memory.dmp
memory/3428-8-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-10-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-11-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-12-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-13-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-16-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-28-0x0000000000F90000-0x0000000000F97000-memory.dmp
memory/3428-4-0x0000000003150000-0x0000000003151000-memory.dmp
memory/3428-24-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-14-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-7-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3428-9-0x0000000140000000-0x0000000140130000-memory.dmp
memory/4996-0-0x00007FFC195B0000-0x00007FFC196E0000-memory.dmp
memory/4996-38-0x00007FFC195B0000-0x00007FFC196E0000-memory.dmp
memory/4996-3-0x0000017B799A0000-0x0000017B799A7000-memory.dmp