Analysis
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max time kernel
144s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
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submitted
11-12-2023 13:30
General
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Target
3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a.exe
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Size
6.9MB
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MD5
efa5f0d5973f7172e66626066c2ebfb1
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SHA1
66e60ea5e47da23fd33da63f73fd294cf59eec79
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SHA256
3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a
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SHA512
93c62fa43fb9efff6a12ca8921929631ebb570dbc60bc578bbc698e80f7641b4e029e1e827f8487f325cf0b1e1e84917f47a8cd75da558697d0144bdae22f2ca
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SSDEEP
196608:AW0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:AtO/hAPmVNyEWeNzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 3 IoCs
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 63 IoCs
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Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a.exe"C:\Users\Admin\AppData\Local\Temp\3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-LAG40.tmp\3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a.tmp"C:\Users\Admin\AppData\Local\Temp\is-LAG40.tmp\3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a.tmp" /SL5="$300E0,6973457,68096,C:\Users\Admin\AppData\Local\Temp\3b9b071bc34d7f8f737b636ef7465f9ea99f9468e298c532e62844ffad03203a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
931KB
MD56c28953ed32c6a774afb715ee5a7752b
SHA1957bee8496027664a29e3ce5dace7a204ddec43d
SHA2563269725e105ffc9884b5d506e28d0de335aa7e37711e510303a7eee998dfb287
SHA51231c355acead59e0a2366f592f9b1ca28d89e6923dc6c2610078f814b4433021f0caa212bfbe8d1d82a6a123c54ea313696f560ca401286aa31fa889196676ea0
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Filesize
149KB
MD58669d7698e1975afac3d3df2ed76a2e9
SHA192e6e151f21f5ffcaf65e7c9bdd43d1af12f2d27
SHA25639831bf162fc61971c35749fc7fd8bdca86d27de7e70aba538ed22570c9949dd
SHA512aedba492bbc7dec8e95c965214102b3df70973c0e9525f7358f276c195b374c1ef62141dcfbf20021e4d9be0d5a5b1bbb52a3547f298da862f316ba81d20222d
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Filesize
354KB
MD555a0d9679b4a714647b155631f5b4bf4
SHA1c541c8409f84edfd8d7901afff9b8b3e5f00a9ba
SHA25644bd7e58eab6143d824d7948c9e0ef907eb4ec3b9be25189fe2bd88f6c9f9c03
SHA5123089e8035eee49bec1e78014e3baf9e445a78bd265ee7f05e174a46cef03c6bc3c073543d31e8647e257309760b52b215f66ad1cd28b5057beb312d0e56d8484
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
96KB
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Filesize
96KB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
4KB
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Filesize
752KB