Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
07-06-2024 01:39
Static task
static1
Behavioral task
behavioral1
Sample
cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe
Resource
win7-20240220-en
General
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Target
cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe
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Size
2.4MB
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MD5
fa3b69af927ad405668e5b2d569d7e66
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SHA1
9a9a881571dc2e8fcb0e20608e5c92d209d02ce2
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SHA256
cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8
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SHA512
9d56aa149dd437d2dff73272f7d0f32ef2cf877723774e551d38f24abea0fabf5ba41d0d009928fc49102928a0694e9bab4ef2240d71311ffc87f9bb2248ffe7
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SSDEEP
49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/
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 10 IoCs
Processes:
resource yara_rule behavioral1/memory/1740-1-0x0000000002390000-0x00000000024DC000-memory.dmp family_vidar_v7 behavioral1/memory/2920-24-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-23-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-19-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-18-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-15-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-172-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-193-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-230-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral1/memory/2920-251-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat2452.tmppid process 2920 kat2452.tmp -
Loads dropped DLL 2 IoCs
Processes:
cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exepid process 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.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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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:
cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exedescription pid process target process PID 1740 set thread context of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat2452.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat2452.tmp -
Processes:
kat2452.tmpdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 kat2452.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat2452.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat2452.tmp -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
kat2452.tmppid process 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp 2920 kat2452.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exedescription pid process target process PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp PID 1740 wrote to memory of 2920 1740 cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe kat2452.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe"C:\Users\Admin\AppData\Local\Temp\cb9eb4cf9f04ef0d5c3c2c3dd8d0154dbd0d4d3073359be6ca9e723fe4c31fa8.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\kat2452.tmpC:\Users\Admin\AppData\Local\Temp\kat2452.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2920
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD566dc1aaeb02615f052726aa5a854702f
SHA1f7c56aa4a3d6b678e33712fd6e27aabd349fa593
SHA256f2f45c30524491a5530f5d7610face66efd6ca1682d83c19f7bfdf0e36e31af0
SHA5124004f71d3688c438cf8b902f137d747b925bdbaf5e0d72189ee44df9bfb4b82255b84e6c20d28a13d524890fd260029246e08fa42623c65b5ca9f726164fb145
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f