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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2023, 21:41
Static task
static1
Behavioral task
behavioral1
Sample
2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe
Resource
win10v2004-20231023-en
General
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Target
2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe
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Size
5.6MB
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MD5
96ba744e4b03f9fa9fb8d236f0f0bc38
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SHA1
0e95753b973a777477d1ad1651f9c19143d6e339
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SHA256
2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b
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SHA512
0a33c3289990dade8d58575756e9ca596c8955d467f82137dc05c5211dd5092cb045236bb797ce3e5cf47c993fde7065fd9f55d6465a842e1b0ebf8a1d8dde36
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SSDEEP
98304:siRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:9Rm1syxacY48eda2TMpQdZ9nc+fyhNjG
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3432 is-FI96L.tmp 1304 IsoBuster_1121.exe 2932 IsoBuster_1121.exe -
Loads dropped DLL 1 IoCs
pid Process 3432 is-FI96L.tmp -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 51.159.66.125 Destination IP 217.23.6.51 Destination IP 37.187.122.227 Destination IP 217.23.9.168 Destination IP 151.80.38.159 -
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 34 IoCs
description ioc Process File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-TL5UO.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-NQM6F.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QU588.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-VEIOE.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-0KQ82.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-HFBR2.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-OULC9.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-SMVC8.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-KTDCF.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-7JFUO.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-9IOV2.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-PMDOA.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-J2QGD.tmp is-FI96L.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-GSAPA.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-M8P05.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-O7DCN.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Help\is-7M2VO.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-T0N1N.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-E6N1S.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-TUK86.tmp is-FI96L.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-AE95U.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-OQDPD.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-PA2HG.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-IMC68.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-7T787.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-EKV5U.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-L137J.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-K1DQF.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-6S2D6.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-OS3BM.tmp is-FI96L.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-ATR3I.tmp is-FI96L.tmp -
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 15 IoCs
description pid Process procid_target PID 4032 wrote to memory of 3432 4032 2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe 84 PID 4032 wrote to memory of 3432 4032 2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe 84 PID 4032 wrote to memory of 3432 4032 2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe 84 PID 3432 wrote to memory of 2744 3432 is-FI96L.tmp 86 PID 3432 wrote to memory of 2744 3432 is-FI96L.tmp 86 PID 3432 wrote to memory of 2744 3432 is-FI96L.tmp 86 PID 3432 wrote to memory of 1304 3432 is-FI96L.tmp 88 PID 3432 wrote to memory of 1304 3432 is-FI96L.tmp 88 PID 3432 wrote to memory of 1304 3432 is-FI96L.tmp 88 PID 2744 wrote to memory of 4332 2744 net.exe 91 PID 2744 wrote to memory of 4332 2744 net.exe 91 PID 2744 wrote to memory of 4332 2744 net.exe 91 PID 3432 wrote to memory of 2932 3432 is-FI96L.tmp 92 PID 3432 wrote to memory of 2932 3432 is-FI96L.tmp 92 PID 3432 wrote to memory of 2932 3432 is-FI96L.tmp 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe"C:\Users\Admin\AppData\Local\Temp\2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Users\Admin\AppData\Local\Temp\is-9S1KM.tmp\is-FI96L.tmp"C:\Users\Admin\AppData\Local\Temp\is-9S1KM.tmp\is-FI96L.tmp" /SL4 $900DE "C:\Users\Admin\AppData\Local\Temp\2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe" 5597940 1418242⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:4332
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C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe"C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -i3⤵
- Executes dropped EXE
PID:1304
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C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe"C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -s3⤵
- Executes dropped EXE
PID:2932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.4MB
MD581bf17b6bc712eec07e481349afc3dbc
SHA1eedecca191d3a6b1f16483714343fe1019d7fc62
SHA25681baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b
SHA5123aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171
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Filesize
4.4MB
MD581bf17b6bc712eec07e481349afc3dbc
SHA1eedecca191d3a6b1f16483714343fe1019d7fc62
SHA25681baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b
SHA5123aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171
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Filesize
4.4MB
MD581bf17b6bc712eec07e481349afc3dbc
SHA1eedecca191d3a6b1f16483714343fe1019d7fc62
SHA25681baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b
SHA5123aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171
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Filesize
642KB
MD5e57693101a63b1f934f462bc7a2ef093
SHA12748ea8c66b980f14c9ce36c1c3061e690cf3ce7
SHA25671267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f
SHA5123dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e
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Filesize
642KB
MD5e57693101a63b1f934f462bc7a2ef093
SHA12748ea8c66b980f14c9ce36c1c3061e690cf3ce7
SHA25671267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f
SHA5123dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63