Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07-06-2024 08:45
Static task
static1
Behavioral task
behavioral1
Sample
9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe
Resource
win10v2004-20240426-en
General
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Target
9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe
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Size
2.5MB
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MD5
b15f017256956a965048ec387101277e
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SHA1
e62a5282286a8065bc194b45e061b11ec2b3bddf
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SHA256
9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61
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SHA512
c7ce97966c7af60db30880cc3f345b20cd8035a59ba4beced20b0dfb461d93fa12ba22c0aae6125ad1bdd76b5591bcc000becbb6dc225670d95685dfdaf11ff4
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SSDEEP
49152:Zcm4081qpZBUbHEmJHsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtxfAw07QLyLn
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/r8z0l
https://steamcommunity.com/profiles/76561199698764354
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral1/memory/3868-2-0x0000000003D70000-0x0000000003ED3000-memory.dmp family_vidar_v7 behavioral1/memory/2360-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2360-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2360-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2360-13-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2360-14-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2360-31-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/2360-32-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat4FD5.tmppid process 2360 kat4FD5.tmp -
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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exedescription pid process target process PID 3868 set thread context of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat4FD5.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat4FD5.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat4FD5.tmppid process 2360 kat4FD5.tmp 2360 kat4FD5.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exedescription pid process target process PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp PID 3868 wrote to memory of 2360 3868 9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe kat4FD5.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe"C:\Users\Admin\AppData\Local\Temp\9e75e0d6eeac3290216d337afd34e4f6ea4a9b41e8bf42e3a3d8f40d4d1ade61.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Users\Admin\AppData\Local\Temp\kat4FD5.tmpC:\Users\Admin\AppData\Local\Temp\kat4FD5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2360
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f