Analysis
- max time kernel
140s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
26/07/2024, 10:46
General
- Target 73b8f1ec16231a14550fc51007ad07d3_JaffaCakes118.exe
- Size 494KB
- Sample240726-mt8neasgrj
- SHA256 5389a958986f6ceccaa9e44006852becbccabfb07f126d69e6b031227fb0b487
Malware Config
Signatures
- Oski
Oski is an infostealer targeting browser data, crypto wallets.
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 2 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\73b8f1ec16231a14550fc51007ad07d3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\73b8f1ec16231a14550fc51007ad07d3_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cmd...exe"C:\Users\Admin\AppData\Local\Temp\cmd...exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\build.exe"C:\Users\Admin\AppData\Local\Temp\build.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\chrmuim2.exe"C:\Users\Admin\AppData\Local\Temp\chrmuim2.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\chrmuim.exe"C:\Users\Admin\AppData\Local\Temp\chrmuim.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 13564⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3936 -ip 39361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
msvcp140.dll
build.exe
chrmuim.exe
chrmuim2.exe
cmd...exe
memory/868-96-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-160-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/868-83-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-84-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-31-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/868-29-0x00000000049B0000-0x00000000049DE000-memory.dmp
memory/868-32-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/868-28-0x0000000004A80000-0x0000000005024000-memory.dmp
memory/868-94-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-24-0x00000000024B0000-0x00000000024E0000-memory.dmp
memory/868-25-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/868-93-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-86-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-26-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/868-90-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/868-140-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/868-88-0x00000000049B0000-0x00000000049D8000-memory.dmp
memory/1820-163-0x0000000004A10000-0x0000000004A76000-memory.dmp
memory/1820-162-0x0000000000160000-0x0000000000182000-memory.dmp
memory/1820-174-0x0000000005CA0000-0x0000000005D32000-memory.dmp
memory/2780-34-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-56-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-23-0x0000000002510000-0x000000000254A000-memory.dmp
memory/2780-82-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-78-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-76-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-137-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/2780-74-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-117-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/2780-134-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/2780-161-0x0000000073A70000-0x0000000074220000-memory.dmp
memory/2780-73-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-70-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-69-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-66-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-64-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-58-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-80-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-54-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-52-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-50-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-48-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-46-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-44-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-42-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-40-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-38-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-36-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-30-0x0000000004A20000-0x0000000004A5A000-memory.dmp
memory/2780-33-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-62-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-60-0x0000000004A20000-0x0000000004A53000-memory.dmp
memory/2780-22-0x0000000073A7E000-0x0000000073A7F000-memory.dmp
memory/2780-27-0x0000000073A70000-0x0000000074220000-memory.dmp