Analysis
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max time kernel
195s -
max time network
255s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
03-06-2024 05:37
Static task
static1
Behavioral task
behavioral1
Sample
779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe
Resource
win7-20240419-en
General
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Target
779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe
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Size
2.0MB
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MD5
63534afc076358dcd1a49997e1a19dff
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SHA1
09e68c99c18f91eaea965a40abdfb02cb18337ef
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SHA256
779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3
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SHA512
7c9e15c57ddfeaec75b650cd9ba6a36034d1c37f496bec0c4ee904e228ab2d71f11059d07374fe9963fd0fc0ea7a28a93e171971a97d815ba0a84906d2307906
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SSDEEP
49152:eqtdPVosJEcz/+VHA58ljrIY+96lJS9bZ:e6d9fJ9c7jvedZ
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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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 behavioral2/memory/3104-2-0x0000000003FC0000-0x000000000410C000-memory.dmp family_vidar_v7 behavioral2/memory/4556-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4556-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4556-9-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4556-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4556-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4556-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4556-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat5B3F.tmppid Process 4556 kat5B3F.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:
779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exedescription pid Process procid_target PID 3104 set thread context of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat5B3F.tmpdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat5B3F.tmp -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat5B3F.tmppid Process 4556 kat5B3F.tmp 4556 kat5B3F.tmp 4556 kat5B3F.tmp 4556 kat5B3F.tmp 4556 kat5B3F.tmp 4556 kat5B3F.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exedescription pid Process procid_target PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73 PID 3104 wrote to memory of 4556 3104 779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe"C:\Users\Admin\AppData\Local\Temp\779dec9c695646a44c98862d9dbfee9510ed20514e0ff7118e7304768bb66dc3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Users\Admin\AppData\Local\Temp\kat5B3F.tmpC:\Users\Admin\AppData\Local\Temp\kat5B3F.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4556
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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