Analysis
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max time kernel
143s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
05-12-2024 01:52
General
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Target
b35386b3a795125cc61283c3f135a9723c703ff55ca63f62ea1a2da9918c1ef7.exe
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Size
218KB
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MD5
90c6eba793777a149097b4580fd8e83b
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SHA1
fd5314a9a53cf967f7b94323eadc8c8db0c9df80
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SHA256
b35386b3a795125cc61283c3f135a9723c703ff55ca63f62ea1a2da9918c1ef7
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SHA512
e31680b024980213f6c970dc3315ba2efd43377dba627c756e00edd19e45fb10cb242155fc533f8466723d7513707d42f46fcb3c32249bbc46acca4625c975f1
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SSDEEP
3072:Fvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:J1SyAJp6rjn1gOObn4b6h9h
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\b35386b3a795125cc61283c3f135a9723c703ff55ca63f62ea1a2da9918c1ef7.exe"C:\Users\Admin\AppData\Local\Temp\b35386b3a795125cc61283c3f135a9723c703ff55ca63f62ea1a2da9918c1ef7.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
481B
MD57216acea14408d0f0f6fedf17e0c32a1
SHA125652948f3be96343696760f4c4534b3bd70b9bd
SHA2563788255d7c15c108aef070314793574b18db87894a48d884a07220c6fe1a6004
SHA5123133ce789cfd20854ccb08e73a290e7ad8cbac44ddb825fbb88fce9623c2f659f975a998a128dd2bfa14d14effe39d10a067b7c516431735f310e1068079d13e
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Filesize
1KB
MD55de913da39c6fd674df289d0ba300bc7
SHA1188f5461c6dd5c38589611dd2de1daa0a160791d
SHA25604537a9660b6e25d3c38d8cabf89f6e3bc27bda3643dbbb2619b80e51f7cc9c9
SHA5126e612dbf5811ecdb429fe1155fca35f01973b472a97bfc95a358ffae38e348807710793e76d6696ec2198386b5186a4f2182671521081264b4b2353d30fe3aac
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Filesize
218KB
MD54bcbfc8a5296c024bf4c0396ae9bacd9
SHA1de0202e1764499a58f2c04083c34c0e7012bfa62
SHA256f1e6033400fab2bd20df6bfe6a4410e9856c3ebb6c7a9059c980f0c578f596e2
SHA512f86b44b3b661b58ebd56121c82df9f1230d6836f1853a8eedf87ac0f711bd996cd6cdcee32bcb12a3999894a265e0604ee7362fbc28212b16ba9892c8faff0fa
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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
728KB
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Filesize
728KB
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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
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB