Analysis
- max time kernel
149s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240729-en - resource tags
- submitted
30/07/2024, 14:01
General
- Target 72fb9a4545e473d7d94fe766e6654729_JaffaCakes118.dll
- Size 1.2MB
- Sample240730-rbxkmsxbla
- SHA256 9098e782f34228349487ef9250a37c00874cb70ef152d48ac89125ad23c899fc
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
- Suspicious behavior: EnumeratesProcesses 64 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\72fb9a4545e473d7d94fe766e6654729_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\wlrmdr.exeC:\Windows\system32\wlrmdr.exe1⤵
-
C:\Users\Admin\AppData\Local\jBL\wlrmdr.exeC:\Users\Admin\AppData\Local\jBL\wlrmdr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\cmstp.exeC:\Windows\system32\cmstp.exe1⤵
-
C:\Users\Admin\AppData\Local\EiNqRsW\cmstp.exeC:\Users\Admin\AppData\Local\EiNqRsW\cmstp.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\unregmp2.exeC:\Windows\system32\unregmp2.exe1⤵
-
C:\Users\Admin\AppData\Local\e704j1c4\unregmp2.exeC:\Users\Admin\AppData\Local\e704j1c4\unregmp2.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
cmstp.exe
VERSION.dll
unregmp2.exe
DUI70.dll
wlrmdr.exe
Tuujykmh.lnk
memory/824-85-0x00007FFC3F7C0000-0x00007FFC3F8F2000-memory.dmp
memory/824-82-0x000001F7D5570000-0x000001F7D5577000-memory.dmp
memory/2648-51-0x00007FFC3F780000-0x00007FFC3F8F7000-memory.dmp
memory/2648-45-0x00007FFC3F780000-0x00007FFC3F8F7000-memory.dmp
memory/2648-48-0x0000018045EF0000-0x0000018045EF7000-memory.dmp
memory/3392-29-0x0000000000670000-0x0000000000677000-memory.dmp
memory/3392-13-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-11-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-9-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-8-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-7-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-4-0x0000000002110000-0x0000000002111000-memory.dmp
memory/3392-23-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-14-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-15-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-28-0x00007FFC4CE8A000-0x00007FFC4CE8B000-memory.dmp
memory/3392-12-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-31-0x00007FFC4E190000-0x00007FFC4E1A0000-memory.dmp
memory/3392-35-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-6-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3392-10-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3400-0-0x000001D857EF0000-0x000001D857EF7000-memory.dmp
memory/3400-38-0x00007FFC30BD0000-0x00007FFC30D01000-memory.dmp
memory/3400-2-0x00007FFC30BD0000-0x00007FFC30D01000-memory.dmp
memory/5112-68-0x00007FFC3F7C0000-0x00007FFC3F8F2000-memory.dmp
memory/5112-65-0x000001B700F90000-0x000001B700F97000-memory.dmp
memory/5112-62-0x00007FFC3F7C0000-0x00007FFC3F8F2000-memory.dmp