Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07-06-2024 19:17
Static task
static1
Behavioral task
behavioral1
Sample
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe
Resource
win10v2004-20240426-en
General
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Target
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe
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Size
271KB
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MD5
806a525618bdd52f35c1701d66f270a6
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SHA1
b36c10ac32a805c943c7238af2e09997766fbf84
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SHA256
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651
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SHA512
73205216eb3dc341fafc3d80a91619c3002a69bf1992e8f4ab40fa4820c29cbf43d965b4dd7d144dca76c0d2e51e65fe648b391f84a98eda5abfd6e95237226f
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SSDEEP
3072:dmjL0EcxAT8+Im0EZdgaeEyll1/+O6i5UkkYylcKnlHOcIf5YLQw:dIL0Ec8ysDe51/+X0UBYylcIlLB
Malware Config
Extracted
stealc
default12
http://185.172.128.170
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url_path
/7043a0c6a68d9c65.php
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe -
Executes dropped EXE 1 IoCs
Processes:
AFIIIIJKFC.exepid process 3392 AFIIIIJKFC.exe -
Loads dropped DLL 2 IoCs
Processes:
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exepid process 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3332 2136 WerFault.exe 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exepid process 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.execmd.exedescription pid process target process PID 2136 wrote to memory of 5044 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe cmd.exe PID 2136 wrote to memory of 5044 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe cmd.exe PID 2136 wrote to memory of 5044 2136 3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe cmd.exe PID 5044 wrote to memory of 3392 5044 cmd.exe AFIIIIJKFC.exe PID 5044 wrote to memory of 3392 5044 cmd.exe AFIIIIJKFC.exe PID 5044 wrote to memory of 3392 5044 cmd.exe AFIIIIJKFC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe"C:\Users\Admin\AppData\Local\Temp\3f87671166107008ce7b37877b6f85da7d594d9b4f042a533cbb5a96a689f651.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFIIIIJKFC.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Users\Admin\AppData\Local\Temp\AFIIIIJKFC.exe"C:\Users\Admin\AppData\Local\Temp\AFIIIIJKFC.exe"3⤵
- Executes dropped EXE
PID:3392
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 24042⤵
- Program crash
PID:3332
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2136 -ip 21361⤵PID:2364
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
533KB
MD56c93fc68e2f01c20fb81af24470b790c
SHA1d5927b38a32e30afcf5a658612a8266476fc4ad8
SHA25664a71b664d76641b35dac312161cb356b3b3b5f0b45c9d88c8afa547b4902580
SHA512355e9677121ef17cf8c398f0c17399776d206c62014080a2c62682e1152ea0729dcc6e233358dcd6bae009b07e3db936d4b18eb37d6e7ebc2fe9cf8d827c4ade