Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
26-12-2024 14:54
General
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Target
a93c8d8cd380b41903e4c4a9ea77389b5de2aa956c884d910719643326ee6328N.exe
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Size
205KB
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MD5
4ecfb83eacf588772465a8a9fc750c60
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SHA1
23324ffd078e14b39bb77c90b5785298168b9de0
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SHA256
a93c8d8cd380b41903e4c4a9ea77389b5de2aa956c884d910719643326ee6328
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SHA512
97ac99de3f87b07885ffc08c888ce97479706320200a15770ad2613a57b2c88393a905bb1bf7676b7a9861c1416b508b50da628ca7d0e8cfa71aed7d069ba5aa
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SSDEEP
3072:47VD4DUHnNZkfOP6sfIOpJ9C3hPlGxt1UhRkgyankTIzfwAYzWcXCyqT36zhRRKy:+zHnMLm5GNGxHUhtnkdpHqTKzhh8i
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 Program Files directory 28 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 1 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\a93c8d8cd380b41903e4c4a9ea77389b5de2aa956c884d910719643326ee6328N.exe"C:\Users\Admin\AppData\Local\Temp\a93c8d8cd380b41903e4c4a9ea77389b5de2aa956c884d910719643326ee6328N.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- 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
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5e87819a4ac15c4f06177c2051c504e42
SHA131b7fd2d37ebe6023336a0f6efce43a2ec8a94f9
SHA25644cc7aee1b9c4dd28582f8d08a6bcf4dcbaf33d5b07ff66964f65d34928dc264
SHA5127841b9dfb8886936b896ef366f0c2c4828b3a0b5d5ea14fb046331b19c33860360d0bf8bb4d28479b3674c58b03a138806409682803f1b6c7c46973f4ed8b415
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
168B
MD5d57e3a550060f85d44a175139ea23021
SHA12c5cb3428a322c9709a34d04dd86fe7628f8f0a6
SHA25643edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
SHA5120364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063
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Filesize
205KB
MD53c5d3deeaea8acd8c79fa53a71661749
SHA17c6c148c0d67a7175d145a8ff230bb55eb8d195c
SHA256460ba4f26dbdad754812eafe3339355cd4dbab3d19119e8a0fa102a17b571e14
SHA512a7b96f1385fff697f39e39c1c66e83699ce2bc8a45617a68c0b7cce493aaa98086a4357678f3ed4a3acd967b6146a9f3c2f08940a19599f98543ddab7939233e
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Filesize
552KB
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Filesize
316KB
-
Filesize
368KB
-
Filesize
552KB
-
Filesize
368KB
-
Filesize
316KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
552KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
656KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
552KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
656KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
712KB
-
Filesize
552KB
-
Filesize
552KB
-
Filesize
712KB
-
Filesize
712KB