Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
04/11/2023, 15:36
Static task
static1
Behavioral task
behavioral1
Sample
3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe
Resource
win10-20231023-en
General
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Target
3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe
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Size
5.6MB
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MD5
966119675d8544ae6503d175094940f8
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SHA1
a717efc1b4b5d01728e72a8121a387e8f8f5c8a7
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SHA256
3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458
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SHA512
b40727ce88a339f2d95827315ce9533b3fe66418a4c5f27201f28e026923cc2247ecedaa9c993c36a5d22ab50a9caffaaae7a08de21b10f4ee6a304a5b956d89
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SSDEEP
98304:giRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:5Rm1syxacY48eda2TMpQdZ9nc+fyhNjG
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3836 is-KV74R.tmp 4932 IsoBuster_1121.exe 4456 IsoBuster_1121.exe -
Loads dropped DLL 1 IoCs
pid Process 3836 is-KV74R.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-UKFDI.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-JC963.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-QPM6Q.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-TCOU1.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-9UUBT.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-2EV2S.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-H9U17.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-102O2.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-RCOPT.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-LHD9H.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-0K439.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-1SKU2.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-D975C.tmp is-KV74R.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-4A022.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-O7C4S.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-K8LCC.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-CRFK4.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-SVA79.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-5EMUE.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-AS8LM.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-AO7B1.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-E2LV2.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-14GGG.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-2V37M.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-ITDIP.tmp is-KV74R.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-ARGT2.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-HG660.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-5UGS3.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Help\is-SRHAV.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-6GUI9.tmp is-KV74R.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-KNLH6.tmp is-KV74R.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 4412 wrote to memory of 3836 4412 3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe 71 PID 4412 wrote to memory of 3836 4412 3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe 71 PID 4412 wrote to memory of 3836 4412 3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe 71 PID 3836 wrote to memory of 4316 3836 is-KV74R.tmp 72 PID 3836 wrote to memory of 4316 3836 is-KV74R.tmp 72 PID 3836 wrote to memory of 4316 3836 is-KV74R.tmp 72 PID 3836 wrote to memory of 4932 3836 is-KV74R.tmp 74 PID 3836 wrote to memory of 4932 3836 is-KV74R.tmp 74 PID 3836 wrote to memory of 4932 3836 is-KV74R.tmp 74 PID 4316 wrote to memory of 1164 4316 net.exe 75 PID 4316 wrote to memory of 1164 4316 net.exe 75 PID 4316 wrote to memory of 1164 4316 net.exe 75 PID 3836 wrote to memory of 4456 3836 is-KV74R.tmp 76 PID 3836 wrote to memory of 4456 3836 is-KV74R.tmp 76 PID 3836 wrote to memory of 4456 3836 is-KV74R.tmp 76
Processes
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C:\Users\Admin\AppData\Local\Temp\3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe"C:\Users\Admin\AppData\Local\Temp\3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Users\Admin\AppData\Local\Temp\is-26LA7.tmp\is-KV74R.tmp"C:\Users\Admin\AppData\Local\Temp\is-26LA7.tmp\is-KV74R.tmp" /SL4 $5021E "C:\Users\Admin\AppData\Local\Temp\3f916835fcf4ac0854181980419d0c57a868956d091e7072b7a5012b1c2b1458.exe" 5597940 1418242⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:1164
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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:4932
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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:4456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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