Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
28/11/2023, 06:43
General
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Target
a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26.exe
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Size
3.3MB
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MD5
c009963889c2fb57c65f6fc922376b75
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SHA1
3352612d807e436924e97c634c268acd9899f1ad
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SHA256
a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26
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SHA512
4ed8a848704260ff2e83407e5ed62dbc40b5b1cec1feb9657af303771e8a6d0ff1fe4e8a68daad9d5df5eae3514e5b2e51d83edab6cdbc8b48f5de6111691ce9
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SSDEEP
98304:msOoX6Vy6JPvMmZQb8Lny4UqjRynQzKkxbH6dlE:XX6o/mZcAy4Xj+Gfwdu
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 2 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 19 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26.exe"C:\Users\Admin\AppData\Local\Temp\a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-5FSN3.tmp\a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26.tmp"C:\Users\Admin\AppData\Local\Temp\is-5FSN3.tmp\a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26.tmp" /SL5="$E0056,3245822,76288,C:\Users\Admin\AppData\Local\Temp\a8b99741643c9a9b584ea974207419dd819d43334a2987f41affc42cb5bcfc26.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- 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)\Common Files\BVSMPEG4\mpeg4codec.exe"C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe" -i3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 283⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 284⤵
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C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe"C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.8MB
MD5a863cd83ad9b26cf86d9a916a5505134
SHA1465f99123bfde43b7d5e841bb445f4428a9c63ae
SHA2561e5366ce3d44c99dde2efbc19ef660beddffe65bd98a7b02e25f91f27b3c3805
SHA5121879c5f2249be0e5dc97ecb4c73322e63c77725c8629efcefb33b71fe1f7f1f7b3a7696d311a5eac454ce4c8b5f013bdef23db30cc1ebd18aea75ce32c08a660
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Filesize
3.8MB
MD5a863cd83ad9b26cf86d9a916a5505134
SHA1465f99123bfde43b7d5e841bb445f4428a9c63ae
SHA2561e5366ce3d44c99dde2efbc19ef660beddffe65bd98a7b02e25f91f27b3c3805
SHA5121879c5f2249be0e5dc97ecb4c73322e63c77725c8629efcefb33b71fe1f7f1f7b3a7696d311a5eac454ce4c8b5f013bdef23db30cc1ebd18aea75ce32c08a660
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Filesize
3.8MB
MD5a863cd83ad9b26cf86d9a916a5505134
SHA1465f99123bfde43b7d5e841bb445f4428a9c63ae
SHA2561e5366ce3d44c99dde2efbc19ef660beddffe65bd98a7b02e25f91f27b3c3805
SHA5121879c5f2249be0e5dc97ecb4c73322e63c77725c8629efcefb33b71fe1f7f1f7b3a7696d311a5eac454ce4c8b5f013bdef23db30cc1ebd18aea75ce32c08a660
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Filesize
683KB
MD5f507ce43ea08d1721816ad4b0e090f50
SHA1e4f02bcd410bddabea4c741838d9a88386547629
SHA256d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1
SHA51237b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693
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Filesize
683KB
MD5f507ce43ea08d1721816ad4b0e090f50
SHA1e4f02bcd410bddabea4c741838d9a88386547629
SHA256d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1
SHA51237b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
-
Filesize
3.8MB
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Filesize
3.8MB
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Filesize
692KB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
692KB
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Filesize
692KB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
3.8MB
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Filesize
4KB
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Filesize
744KB
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Filesize
4KB
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Filesize
104KB
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Filesize
104KB