Analysis
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max time kernel
134s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-12-2024 13:25
General
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Target
05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b.exe
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Size
355KB
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MD5
e8cedf26865e620c648e063c19729b19
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SHA1
e68652fb887f01697b02cdb30d30226e72de5dc7
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SHA256
05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b
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SHA512
b593146c78a8c3b012cdb35d29d266387b5ccec123ae54dfb6a94a68b3bc43d801953b4a7a52c1e381f5caff76025293cf41a2b08f55a6158e9cd60152d76197
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SSDEEP
6144:M3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:HmWhND9yJz+b1FcMLmp2ATTSsdS
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b.exe"C:\Users\Admin\AppData\Local\Temp\05e5a88a3b7b62a6c215dfdb348c1fcd4561eb55e20bd9508100e31e494b135b.exe"1⤵
- 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
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
481B
MD510200bb3f0a5e25b6a9afbb44f19c41a
SHA1903c1d93e88c2943a3edc204244265ca82513bf4
SHA2560c30d0dc246599eb200c878206544a050f1ccc63b0889e24cf1da1d836a9ae00
SHA512b676c926ad8be1579e074e575dd9e7d467fc6f60d8adc28a65cfd84a47f34a7ca4e89bdc78739aa7d160899b86f2c2d4d12c0edd2dcf1fc11f6ea1bd8e36d0c3
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Filesize
355KB
MD52034fd21f6da6d80016572c1953a2cc1
SHA131f064be168340a352471e4d7f47c88ea5f178c3
SHA25618f141508833fbe1af26d5e3219bc1ba184d87ab1f76593908e0ceb65630bf10
SHA51232223def121ddad46fbd472f47a98d0ceebee0d856b1ee20dbb92fde512340ca3ffa179413f14f9a39b87c67663d0f3e14d16b1c3a80dd6211c0d38af45e1f87
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Filesize
380KB
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Filesize
672KB
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728KB
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