Analysis
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max time kernel
114s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
01-06-2023 14:55
Static task
static1
Behavioral task
behavioral1
Sample
04074299.exe
Resource
win7-20230220-en
General
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Target
04074299.exe
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Size
558KB
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MD5
e91cc2e537362de1efdbcfd78cc6c662
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SHA1
0537b130c780406acbb7ecfc85ce103f944f41c7
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SHA256
d7c08a686196d6c28d4f79588aec7a0ca0123e35c57a9b1362e9ac0e381c176b
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SHA512
25658cabfefb93ec031a7cb6837ce81028df3873f0c8191361a44c275573c77cdf038bf01b00e121e10565cf49768e45ba9442cb19f9772daaa50244b08ebd8f
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SSDEEP
12288:w8V18UCk9UOjfCTBNZtZYRD8pd0yyC74awwi5fK2:rf9/+3lKDcyVG4Jwi5fn
Malware Config
Extracted
vidar
9
237
http://hotticketsale.com/
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profile_id
237
Signatures
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Vidar Stealer 3 IoCs
Processes:
resource yara_rule behavioral1/memory/948-55-0x0000000000400000-0x0000000000520000-memory.dmp family_vidar behavioral1/memory/948-61-0x0000000000400000-0x0000000000520000-memory.dmp family_vidar behavioral1/memory/948-95-0x0000000000400000-0x0000000000520000-memory.dmp family_vidar -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2036 cmd.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 15 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
04074299.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 04074299.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 04074299.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 1308 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
04074299.exepid process 948 04074299.exe 948 04074299.exe 948 04074299.exe 948 04074299.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1308 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
04074299.execmd.exedescription pid process target process PID 948 wrote to memory of 2036 948 04074299.exe cmd.exe PID 948 wrote to memory of 2036 948 04074299.exe cmd.exe PID 948 wrote to memory of 2036 948 04074299.exe cmd.exe PID 948 wrote to memory of 2036 948 04074299.exe cmd.exe PID 2036 wrote to memory of 1308 2036 cmd.exe taskkill.exe PID 2036 wrote to memory of 1308 2036 cmd.exe taskkill.exe PID 2036 wrote to memory of 1308 2036 cmd.exe taskkill.exe PID 2036 wrote to memory of 1308 2036 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04074299.exe"C:\Users\Admin\AppData\Local\Temp\04074299.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im 04074299.exe /f & erase C:\Users\Admin\AppData\Local\Temp\04074299.exe & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im 04074299.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\softokn3.dllFilesize
17B
MD5eeb13468b73d93fa8bcbe3ebae6df720
SHA11f55c90d5ce61c6447e923443d496b137be35c63
SHA256802600d124464157037a2519acb3cff90b97670fd04809ea902fbb95497a12ca
SHA51228d8aa5b08384343fb21f594e413b99ae2f6fb5945345dd4e1af278e24dbc5ad3e8cbebfce889d397830f3fc287a4cd4728897f3aa97129558c72fd3ece23e05
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memory/948-55-0x0000000000400000-0x0000000000520000-memory.dmpFilesize
1.1MB
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memory/948-61-0x0000000000400000-0x0000000000520000-memory.dmpFilesize
1.1MB
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memory/948-95-0x0000000000400000-0x0000000000520000-memory.dmpFilesize
1.1MB