Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
05-11-2023 13:53
Static task
static1
Behavioral task
behavioral1
Sample
d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe
Resource
win10v2004-20231023-en
General
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Target
d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe
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Size
5.6MB
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MD5
eac167a16b6bcb31b13128d384a47965
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SHA1
b7f0de9e9f69e98e20a6327a14cac2a53e218628
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SHA256
d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c
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SHA512
8d34e99da87b68b424ad4a20247ed621f54997dc8ae1542fb585b70a25a3ca10d9fe31e9ff640b29af388a81e63d8c0ec4d2ac33f97ac177773afbfab196f029
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SSDEEP
98304:ZiRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:IRm1syxacY48eda2TMpQdZ9nc+fyhNjG
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4740 is-U98FI.tmp 4016 IsoBuster_1121.exe 3668 IsoBuster_1121.exe -
Loads dropped DLL 1 IoCs
pid Process 4740 is-U98FI.tmp -
Unexpected DNS network traffic destination 1 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 -
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-935PI.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-C2487.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-V84TR.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-5C9LN.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-8UIDO.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-KIEI6.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-8V8HV.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-2N115.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-L2GFJ.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-OOAUA.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-UJ6EK.tmp is-U98FI.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-S9355.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-2AS8S.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-S5ESE.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-G1LMC.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-9NNOP.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Help\is-1L8ES.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-DOP6I.tmp is-U98FI.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-0RQO4.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-NDIQG.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-8E5K0.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QPLPO.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-KC20J.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-RJ1J6.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-AUR14.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-1UUCS.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-2FM5I.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-HRI70.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-CLIR9.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-FOC96.tmp is-U98FI.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QE3TO.tmp is-U98FI.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 2320 wrote to memory of 4740 2320 d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe 87 PID 2320 wrote to memory of 4740 2320 d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe 87 PID 2320 wrote to memory of 4740 2320 d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe 87 PID 4740 wrote to memory of 1444 4740 is-U98FI.tmp 90 PID 4740 wrote to memory of 1444 4740 is-U98FI.tmp 90 PID 4740 wrote to memory of 1444 4740 is-U98FI.tmp 90 PID 4740 wrote to memory of 4016 4740 is-U98FI.tmp 92 PID 4740 wrote to memory of 4016 4740 is-U98FI.tmp 92 PID 4740 wrote to memory of 4016 4740 is-U98FI.tmp 92 PID 1444 wrote to memory of 716 1444 net.exe 93 PID 1444 wrote to memory of 716 1444 net.exe 93 PID 1444 wrote to memory of 716 1444 net.exe 93 PID 4740 wrote to memory of 3668 4740 is-U98FI.tmp 94 PID 4740 wrote to memory of 3668 4740 is-U98FI.tmp 94 PID 4740 wrote to memory of 3668 4740 is-U98FI.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe"C:\Users\Admin\AppData\Local\Temp\d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Users\Admin\AppData\Local\Temp\is-R02OI.tmp\is-U98FI.tmp"C:\Users\Admin\AppData\Local\Temp\is-R02OI.tmp\is-U98FI.tmp" /SL4 $C0064 "C:\Users\Admin\AppData\Local\Temp\d09f82427d1c909bb8477958fbd26e1759ddae9adab5ada692d4f19ef79a548c.exe" 5597940 1418242⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:716
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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:4016
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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:3668
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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
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
642KB
MD5e57693101a63b1f934f462bc7a2ef093
SHA12748ea8c66b980f14c9ce36c1c3061e690cf3ce7
SHA25671267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f
SHA5123dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e
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Filesize
642KB
MD5e57693101a63b1f934f462bc7a2ef093
SHA12748ea8c66b980f14c9ce36c1c3061e690cf3ce7
SHA25671267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f
SHA5123dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e