Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
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submitted
11-12-2023 14:15
General
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Target
fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb.exe
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Size
6.9MB
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MD5
ffe879b7922f41de2cd162f6037fccc5
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SHA1
81394cb3ecbc8cc81c961c14f9707b8c54ff8bb6
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SHA256
fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb
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SHA512
74fb8ff1b8efda3938aaa59b244379e8ef5173e59690bb626e6ecfd9a89d145c5585545eeae6f6d51fc0190eab5dd05174c1c5a8a7d5720f1c15335ea3290cea
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SSDEEP
196608:qDoG3bFqjpLC0TSMLsn33HR83v9i8l7INzj:qDyNLCWZ2HS9iQ7INzj
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 3 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\fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb.exe"C:\Users\Admin\AppData\Local\Temp\fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-BTNJQ.tmp\fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb.tmp"C:\Users\Admin\AppData\Local\Temp\is-BTNJQ.tmp\fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb.tmp" /SL5="$70210,6971036,68096,C:\Users\Admin\AppData\Local\Temp\fb857817c822048702ea4b2f72b9edde2f39ec2ee5339f304d486b555cc357bb.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
1.6MB
MD5d2db90d9878e0d724917bd14c775ac7d
SHA1dfd2179ba59fcee9425dd544418a97deb597254b
SHA2568ffadcd6a3e4ef39dc5b3016e4e3d25d585c0d4e42997d159aae9cedfd42341a
SHA5123707dbd2f8018549df6452577b91e5a47363979818007a1c344359af104324a643729442b42ef24fc4146e198d3a36d503b289b34c3ec55ff21edcc3846a45eb
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Filesize
1.4MB
MD5e30f015defe795e99b4625f26d698ea8
SHA189f087008363f6a0a41f1824f4ea8a04682f4614
SHA2560362434172e5f2109d2786aeb3efbb33158a15156c993c431c795a0f6579bd65
SHA512413833be585033808c33bfa8f36698bb86fea75454890ff34ea88d4f3abfa78f49e0f90c042105b6b9d625ad2535eded527045f3c5e358f4e576019c4b5df51f
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Filesize
434KB
MD51ad998bfef9880a704a548a6d25b40d6
SHA13fbb786ff89af8b4121a1d7d52f7476a89c34cbf
SHA2568fbc8b7ec06f3b93baa9e2a0857441432a05740cdc203d9d373d5d036b7c867f
SHA512a39cea09cdbe88bc65f35f97d190b5d637e483f55b13000bf84e72da70f10fa91a6fbca049010ab315a98fce84c8314ab43a464ef886fc234363480206ac6a92
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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
752KB
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Filesize
4KB
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Filesize
4KB
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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
632KB
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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
1.8MB
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Filesize
1.8MB