Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
01-01-2025 22:00
General
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Target
62ef704ecc57794bfa006d43355a82dc5568aa48084482fde6b7fe2f307eca73N.exe
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Size
218KB
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MD5
1cd136df1c8bf732b667cd54b3902050
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SHA1
7f264a10180fdb2ebd67be286b8ba3575999cea2
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SHA256
62ef704ecc57794bfa006d43355a82dc5568aa48084482fde6b7fe2f307eca73
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SHA512
1388c6eefb3285a064d0fa63de313a5ad70332f3aee72dc99ccde383acbfd05dae18e127b80117542be6070840d34dd7e0461f160566d6bc5a37affbc21cd380
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SSDEEP
3072:ovm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:m1SyAJp6rjn1gOObn4b6h9h
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\62ef704ecc57794bfa006d43355a82dc5568aa48084482fde6b7fe2f307eca73N.exe"C:\Users\Admin\AppData\Local\Temp\62ef704ecc57794bfa006d43355a82dc5568aa48084482fde6b7fe2f307eca73N.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
218KB
MD578264941eaccec3ac0dbf8be4e24e8b5
SHA19183a9b7670b2855d2c6d3927ad4b1fdaca8c610
SHA256e9aac0ae9ddb1d14a4e2ea7b2c8db4551e897c36900dc05ff39bb39184a734d8
SHA51251286c0b58c562e9815feeab1c589ec6b0d3dd21f46ab838dece70cb72124f9444a2a6a7d9ff5f782caabd92e29aba6549461c05aafc00ff21b6cf3d5e9c3a40
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB