Analysis
- max time kernel
102s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/09/2026, 23:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe
- Size 726KB
- Sample260920-3a6byafp21
- SHA256 a442bd464ca80a17b5d142b2c4db7f2f74fc855f8391308dc5280fb4c24c209f
- MD5 2a3a70c016ae5bd9d3044e0586a56fe1
- SHA1 9b757ae9a8b12a71b96d47a2d7f7bba667919dfb
- SHA512 9af5cbf637ef8629ca6450414982c1d3cce1c10601bd0227d3b1feafdd668a7457ec49c8b98a89dad33dc9380aa5c4251b74de5b956dabcd03016f2b44299225
- SSDEEP 12288:sOuiulHxt0LO/sQtEKn2pMiW40eqtJ7Wrehdppklo43RPh4LVNR041NNTbRkYyPL:aRtc4tKK2pu1tUridppeoumLVNR0GPPa
- TLSH T1A8F4237224CA4928CA2CA3B642D7AD476B0ED31556833FC13E704A0D6FD65EF6E85B34
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4436 csrss.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Update Explorer A7.1 = "C:\\Windows\\Microsoft\\Virtual Machine\\csrss.exe" jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Microsoft\Virtual Machine\csrss.exe jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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__2a3a70c016ae5bd9d3044e0586a56fe1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe 4436 csrss.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 3792 jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe 4436 csrss.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__2a3a70c016ae5bd9d3044e0586a56fe1.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:3792
-
C:\Windows\Microsoft\Virtual Machine\csrss.exe"C:\Windows\Microsoft\Virtual Machine\csrss.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:4436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\Microsoft\Virtual Machine\csrss.exe
- Size 726KB
- SHA256 a442bd464ca80a17b5d142b2c4db7f2f74fc855f8391308dc5280fb4c24c209f
- MD5 2a3a70c016ae5bd9d3044e0586a56fe1
- SHA1 9b757ae9a8b12a71b96d47a2d7f7bba667919dfb
- SHA512 9af5cbf637ef8629ca6450414982c1d3cce1c10601bd0227d3b1feafdd668a7457ec49c8b98a89dad33dc9380aa5c4251b74de5b956dabcd03016f2b44299225
- SSDEEP 12288:sOuiulHxt0LO/sQtEKn2pMiW40eqtJ7Wrehdppklo43RPh4LVNR041NNTbRkYyPL:aRtc4tKK2pu1tUridppeoumLVNR0GPPa
- TLSH T1A8F4237224CA4928CA2CA3B642D7AD476B0ED31556833FC13E704A0D6FD65EF6E85B34
- MD5 SHA1 SHA512 SSDEEP TLSH