Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31-08-2024 01:26
Static task
static1
Behavioral task
behavioral1
Sample
b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe
Resource
win7-20240708-en
General
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Target
b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe
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Size
476KB
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MD5
5d9afa34d58d686ea27ab01f4f681d56
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SHA1
4301075acafdd765528e91950c6a89b96889d97c
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SHA256
b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3
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SHA512
7912d1190a6d440d906c7cd908ff03d95187b894f469fc1cda0dcf985e61b74e376cd41e39fdac582e438f1c10e4be63c53e1943986943081b97cc99c72a2934
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SSDEEP
12288:yYmIjE7eNdKcWEb92Ubr4TgyUbZm6qCs8e/G:O7eNAYb92Ub8T5geL
Malware Config
Signatures
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Expiro payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1724-0-0x000000000031B000-0x00000000003AF000-memory.dmp family_expiro1 behavioral1/memory/1724-1-0x00000000002A0000-0x00000000003AF000-memory.dmp family_expiro1 behavioral1/memory/1724-2-0x000000000031B000-0x00000000003AF000-memory.dmp family_expiro1 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2356 1724 WerFault.exe b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exedescription pid process target process PID 1724 wrote to memory of 2356 1724 b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe WerFault.exe PID 1724 wrote to memory of 2356 1724 b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe WerFault.exe PID 1724 wrote to memory of 2356 1724 b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe WerFault.exe PID 1724 wrote to memory of 2356 1724 b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe"C:\Users\Admin\AppData\Local\Temp\b173b03e0988654a331c46e31e2438115d34fc57a7550a66aee784d1e74300d3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 1442⤵
- Program crash
PID:2356