Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 22:44
Static task
static1
Behavioral task
behavioral1
Sample
60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe
Resource
win10v2004-20240508-en
General
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Target
60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe
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Size
156KB
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MD5
57722deabd5f20d54a21b3c0b49f8bf4
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SHA1
ab2a91b35089eb1a54bee31af7c42697d9f17f7e
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SHA256
60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9
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SHA512
8ae50eeb90442202b4f813db1c146b03a4d466de0c58b82defda9d83014f2d739151956a5a543049a78a985fd13b8370cc1b9cd72cb65f03c7a57c397e492589
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SSDEEP
3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVY:xQAPevzQav122xjVAZ8mGTR
Malware Config
Signatures
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Detects executables containing base64 encoded User Agent 7 IoCs
resource yara_rule behavioral2/memory/1052-8-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1052-9-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1052-10-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1052-7-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1052-11-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1052-13-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/1052-15-0x0000000010000000-0x0000000010027000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent -
Blocklisted process makes network request 8 IoCs
flow pid Process 27 1052 rundll32.exe 34 1052 rundll32.exe 35 1052 rundll32.exe 36 1052 rundll32.exe 50 1052 rundll32.exe 51 1052 rundll32.exe 59 1052 rundll32.exe 73 1052 rundll32.exe -
resource yara_rule behavioral2/files/0x00080000000233f7-5.dat aspack_v212_v242 -
Deletes itself 1 IoCs
pid Process 3968 ilzvai.exe -
Executes dropped EXE 1 IoCs
pid Process 3968 ilzvai.exe -
Loads dropped DLL 1 IoCs
pid Process 1052 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\dzsguz\\iiwwi.iwi\",SHA1" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2940 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1052 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3428 60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe 3968 ilzvai.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3428 wrote to memory of 1316 3428 60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe 82 PID 3428 wrote to memory of 1316 3428 60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe 82 PID 3428 wrote to memory of 1316 3428 60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe 82 PID 1316 wrote to memory of 2940 1316 cmd.exe 84 PID 1316 wrote to memory of 2940 1316 cmd.exe 84 PID 1316 wrote to memory of 2940 1316 cmd.exe 84 PID 1316 wrote to memory of 3968 1316 cmd.exe 88 PID 1316 wrote to memory of 3968 1316 cmd.exe 88 PID 1316 wrote to memory of 3968 1316 cmd.exe 88 PID 3968 wrote to memory of 1052 3968 ilzvai.exe 89 PID 3968 wrote to memory of 1052 3968 ilzvai.exe 89 PID 3968 wrote to memory of 1052 3968 ilzvai.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ilzvai.exe "C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2940
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C:\Users\Admin\AppData\Local\Temp\ilzvai.exeC:\Users\Admin\AppData\Local\Temp\\ilzvai.exe "C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3968 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\dzsguz\iiwwi.iwi",SHA1 C:\Users\Admin\AppData\Local\Temp\ilzvai.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1052
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
157KB
MD55a1bdf984f86bdf4a321b67a199fabf9
SHA177717ac9d34265315b899b9a354436d402dfd3d6
SHA2563ce5fc6f7ec90e24c7b8d8340f816a121d9447c9388ad448b4b843cdcb4c141f
SHA51212d4fa1d3461d8689fd489891f4493c58ca586a342977b7da9f08d545c86d40ce12bb8bd489cea5a9dd5bae2d12d88e1e623b1a788a7f71a6a705c7c91dea323
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Filesize
83KB
MD54993bd7ca91574843d5a608c532151a4
SHA172ff0d8e4ccee88738b3ab8bdb52b9474e0ef55e
SHA256489855558b5a997477f7c95a05e7adcbf6001e06bd80e29b01fdabdb006cdbbb
SHA51213418193723dace324d5b91a8162a09521640bc6e401c841bb0644de8ec9a762912f2afd588be8845a30b2f59ac10ab2eaa0b356068d1503792a30a826ed075c