Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2022 23:49
Static task
static1
Behavioral task
behavioral1
Sample
791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe
Resource
win10v2004-20220812-en
General
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Target
791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe
-
Size
1009KB
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MD5
5924a435db94b857f47c1d8db535de0e
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SHA1
9cb9c480ce6682e08789ee31209fbb6e663b5c76
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SHA256
791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04
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SHA512
e228b170c6c988ed07c0e9efee5b77142f4bcba05f0a148e8425eb80aa55e5e23c3aeb36009734f0ab16ad3ec1163598af76d54b3ee32c64bec9cf61a11a81cf
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SSDEEP
24576:48GzoEgICYDQ1ne69fgPR5wq8YDw9sr8E9lcqWUIHn4QdEtJYv2T8aHEzcBU0kmM:SpQJfURqq8YDw9sr8E9lcqWUIHn4QdEG
Malware Config
Signatures
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NetWire RAT payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/4564-136-0x00000000000D0000-0x00000000000E6000-memory.dmp netwire behavioral2/memory/4564-139-0x0000000000400000-0x000000000041E000-memory.dmp netwire behavioral2/memory/2000-140-0x0000000000400000-0x0000000000506000-memory.dmp netwire behavioral2/memory/2000-141-0x0000000000400000-0x0000000000506000-memory.dmp netwire behavioral2/memory/2000-142-0x0000000000400000-0x0000000000506000-memory.dmp netwire -
Executes dropped EXE 1 IoCs
Processes:
reader5.exepid process 2000 reader5.exe -
Modifies Installed Components in the registry 2 TTPs 2 IoCs
Processes:
reader5.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3CQ67572-86I5-PVA1-3L36-228N40O2VBXT} reader5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3CQ67572-86I5-PVA1-3L36-228N40O2VBXT}\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\Install\\reader5.exe\"" reader5.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reader5.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ reader5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Acrobat4 = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\reader5.exe" reader5.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3960 4564 WerFault.exe 791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exedescription pid process target process PID 4564 wrote to memory of 2000 4564 791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe reader5.exe PID 4564 wrote to memory of 2000 4564 791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe reader5.exe PID 4564 wrote to memory of 2000 4564 791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe reader5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe"C:\Users\Admin\AppData\Local\Temp\791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Users\Admin\AppData\Roaming\Install\reader5.exe"C:\Users\Admin\AppData\Roaming\Install\reader5.exe"2⤵
- Executes dropped EXE
- Modifies Installed Components in the registry
- Adds Run key to start application
PID:2000 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 5362⤵
- Program crash
PID:3960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4564 -ip 45641⤵PID:4196
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1009KB
MD55924a435db94b857f47c1d8db535de0e
SHA19cb9c480ce6682e08789ee31209fbb6e663b5c76
SHA256791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04
SHA512e228b170c6c988ed07c0e9efee5b77142f4bcba05f0a148e8425eb80aa55e5e23c3aeb36009734f0ab16ad3ec1163598af76d54b3ee32c64bec9cf61a11a81cf
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Filesize
1009KB
MD55924a435db94b857f47c1d8db535de0e
SHA19cb9c480ce6682e08789ee31209fbb6e663b5c76
SHA256791d433a12cfde4d5c85addce8a00e4be6bb2d6e84d197a9c51c8567a6fb6f04
SHA512e228b170c6c988ed07c0e9efee5b77142f4bcba05f0a148e8425eb80aa55e5e23c3aeb36009734f0ab16ad3ec1163598af76d54b3ee32c64bec9cf61a11a81cf