Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
04-01-2025 14:27
General
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Target
2536bf100c9a2201dcac2a1a99b799636dad9cf42ebb4fbd09787ee01c055f38N.exe
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Size
202KB
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MD5
70246ed4cbd660624648f40d6b9ae6f0
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SHA1
5a4a578f57287e793e4f5174f499c8477acfe47b
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SHA256
2536bf100c9a2201dcac2a1a99b799636dad9cf42ebb4fbd09787ee01c055f38
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SHA512
97448eeb96189a33614cb143a632838d4094cb506723c94ec6f7d3980470b82171f70813e54f72d3dc9dc8009f5e93cedf5d81e11a6bfc82837047deaabc6b9a
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SSDEEP
3072:C8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2Pcs:znw9lEs3hhyaubQTkhbrBVL8gbmT2Pcs
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\2536bf100c9a2201dcac2a1a99b799636dad9cf42ebb4fbd09787ee01c055f38N.exe"C:\Users\Admin\AppData\Local\Temp\2536bf100c9a2201dcac2a1a99b799636dad9cf42ebb4fbd09787ee01c055f38N.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
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Downloads
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Filesize
168B
MD5d57e3a550060f85d44a175139ea23021
SHA12c5cb3428a322c9709a34d04dd86fe7628f8f0a6
SHA25643edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
SHA5120364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
61KB
MD59fcc1fa7b6f89674f81a68b1c71e09b4
SHA172584fce469871ab691498ca19c67ee31fc40c53
SHA25674ffca91747e46100f6503a8cfeaa57c66f0db0f48e6440f5e282f01a7fd4fc9
SHA5125c8856bd049c6b914e377304f919cd02f3d4be6b20c3e321145dc14bfdcf1cbb73f50fc4036b32b7bc1f1d756f64590c6fe0857a07ecdfacc4873effbefc001d
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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
61KB
MD5f4119f03439606e04307124e60b61d10
SHA157264459918693c3c329655254557fae5ecbe352
SHA256287fface360677014b8e984c8bd435e7b96a4fbd0b77efc801d511fb61e8b334
SHA512aab37c1c9572e4f9390a259bbbd721e613f8ecd7eeed061a5e72ba2837e373c923f16229378e8f6fab7f0e9dc1e29f726e0bab71c98bde272ce0b377952af244
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Filesize
100KB
MD53efbb2d4d54772dfb05bc13a07767a26
SHA1f5decd7c9fed5871929aea0cfb9acce22882dd45
SHA2568a91c79b8aa163ed1e66bcdec2159251cdb3fedf5e72696d297300b627727a1e
SHA512795e7784e0068c6cb29af12ab04d114f0e01956d5a5e386dc8939f49eb2d7d32709a6008955bc31c3eb0d3d71b22a9bb36a83193f36507b37fb02809809a2eb0
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Filesize
24KB
MD58f76078e1d78c07943a4e1d5e4b92da4
SHA1f8e61aeb62f041c95c364968124d8ade04616efa
SHA256fdca923c41a3327b06a299e628c9b74d536c73cd8827ea6bfd3418acfeee3c8e
SHA5125ef0a805a5dd4f71af3316a540240a389dda794a2685e91deadb04b287150cd83ccc240a85639e561ea31a3c17a50335158d1e30ce137ea3234308414e50e0da
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Filesize
202KB
MD58ee4e24415dbe094ee0884ec3ad17a3f
SHA115738f4fd6ee4272f75b0dbcd955c124c5406f76
SHA256c10be4add4549d0e0c8691f8e736808f862c0632d1ac4aee29deacc9820f7cc4
SHA5125dd7ba5d6fbd6143d518a6563e1e55faaa4194a9db719c2edbe04c8e6a3a0abcd080b855e17f7b32083df5bbb4b9ef66b4abf6c61dfa6051f0b6718ddef6143d
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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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
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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
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Filesize
380KB
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Filesize
672KB
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Filesize
380KB
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Filesize
728KB
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Filesize
728KB