Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
06/05/2026, 03:43
General
- Target 3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exe
- Size 1009KB
- Sample260506-d91hasd19k
- SHA256 3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 3 IoCs
- Executes dropped EXE 2 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
- UPX packed file 8 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious use of AdjustPrivilegeToken 26 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exe"C:\Users\Admin\AppData\Local\Temp\3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd.exe /c set2⤵
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C:\Users\Admin\AppData\Local\Temp\3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exePECMD**pecmd-cmd* PUTF -dd -skipb=934400 -len=99270 "C:\Users\Admin\AppData\Local\Temp\~8410347861974730429.tmp",,C:\Users\Admin\AppData\Local\Temp\3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\~5417678160795409611~\sg.tmp7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~8410347861974730429.tmp" -y -aos -o"C:\ProgramData\~142491321297735921"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\ProgramData\~142491321297735921\update.exe"C:\ProgramData\~142491321297735921\update.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exe"C:\Users\Admin\AppData\Local\Temp\3386245aa5965b64f880c0a25ff7b89914fbf409fd7078900a9a356a77a8dc71.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
security_audit_20260505.log
update.exe
sg.tmp
~8410347861974730429.tmp
memory/2488-37-0x0000000000400000-0x0000000000557000-memory.dmp
memory/2488-0-0x0000000000400000-0x0000000000557000-memory.dmp
memory/2804-27-0x0000000000400000-0x0000000000557000-memory.dmp
memory/3964-33-0x0000000010000000-0x000000001006D000-memory.dmp
memory/3964-28-0x0000000004720000-0x0000000004738000-memory.dmp
memory/3964-29-0x0000000007BD0000-0x0000000007C50000-memory.dmp
memory/3964-35-0x0000000010000000-0x000000001006D000-memory.dmp
memory/3964-34-0x0000000010000000-0x000000001006D000-memory.dmp
memory/3964-30-0x0000000010000000-0x000000001006D000-memory.dmp
memory/3964-39-0x0000000000070000-0x0000000000082000-memory.dmp
memory/3964-40-0x000000000B610000-0x000000000B68C000-memory.dmp
memory/3964-80-0x000000000B610000-0x000000000B68C000-memory.dmp
memory/4200-8-0x0000000000400000-0x0000000000557000-memory.dmp
memory/5948-20-0x00000000015D0000-0x000000000164C000-memory.dmp