Analysis
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max time kernel
133s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 09:33
Static task
static1
Behavioral task
behavioral1
Sample
99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe
Resource
win7-20240611-en
General
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Target
99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe
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Size
2.2MB
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MD5
6edf5e87d5e0735cbb023bdc28039f44
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SHA1
955af916c5d2e8a4ee445bab025d42ef8c01076d
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SHA256
99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8
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SHA512
12b7a3525fa6a9e1536fc1abce73e153c07684bf0f3149f7adf75ce35817628a3a2ff7f84996feedaf64976a34c8c28aa38effbc9f0fc045e05fa1e5a73441b3
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SSDEEP
49152:qpjNvr9ySAOmw4FHHO+SASagXkJr4MDkUwm:qpjNp7p4FHH8n5A
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1740-2-0x00000000029F0000-0x0000000002B00000-memory.dmp family_vidar_v7 behavioral2/memory/588-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/588-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/588-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/588-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/588-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/588-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/588-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat35D5.tmppid process 588 kat35D5.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:
99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exedescription pid process target process PID 1740 set thread context of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat35D5.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat35D5.tmp Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat35D5.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat35D5.tmppid process 588 kat35D5.tmp 588 kat35D5.tmp 588 kat35D5.tmp 588 kat35D5.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exedescription pid process target process PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp PID 1740 wrote to memory of 588 1740 99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe kat35D5.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe"C:\Users\Admin\AppData\Local\Temp\99fdbe7edf259f5aa7ecba66787e7208cfae35585a12714d203913ef877a85a8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\kat35D5.tmpC:\Users\Admin\AppData\Local\Temp\kat35D5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:588
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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