Analysis
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max time kernel
148s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
13-11-2023 08:31
Static task
static1
Behavioral task
behavioral1
Sample
e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe
Resource
win10v2004-20231023-en
General
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Target
e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe
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Size
5.6MB
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MD5
8bb770b300801f91bc5c68d4e783881d
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SHA1
f6aceee61bedc6f273c89a224656df1e9dff8434
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SHA256
e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a
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SHA512
22c5790abfa163a732dc8d078e22a26af0d24bab98d5383bf24c764b620c8ca407a842617a3783faf244ce3e4d8776f8429e62777d5d6b67a2bb901aa7b936d2
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SSDEEP
98304:biRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:+Rm1syxacY48eda2TMpQdZ9nc+fyhNjG
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2680 is-12P4U.tmp 1104 IsoBuster_1121.exe 2804 IsoBuster_1121.exe -
Loads dropped DLL 10 IoCs
pid Process 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 2680 is-12P4U.tmp 2680 is-12P4U.tmp 2680 is-12P4U.tmp 2680 is-12P4U.tmp 1104 IsoBuster_1121.exe 1104 IsoBuster_1121.exe 2680 is-12P4U.tmp 2804 IsoBuster_1121.exe 2804 IsoBuster_1121.exe -
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-M2CUT.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QPDL0.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-KLSOO.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-T7SCE.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-BVLVS.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-596QU.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-LV0OP.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-1M36T.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-DCM2M.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Help\is-9SD9A.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-Q0FID.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-JJEVO.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-42155.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-NG2RU.tmp is-12P4U.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-NKLJ0.tmp is-12P4U.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-HED5S.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-11NLU.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-GVPBI.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-9FR0T.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-SHB84.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-5F0HN.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QPIDL.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-AVFD1.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-7KVLB.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-MCTTP.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-836CS.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-DS3CM.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-L6U41.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-AKO0J.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-8BK5R.tmp is-12P4U.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-8LA5F.tmp is-12P4U.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 35 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2368 wrote to memory of 2680 2368 e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe 28 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 2992 2680 is-12P4U.tmp 29 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2680 wrote to memory of 1104 2680 is-12P4U.tmp 31 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2992 wrote to memory of 2548 2992 net.exe 32 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33 PID 2680 wrote to memory of 2804 2680 is-12P4U.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe"C:\Users\Admin\AppData\Local\Temp\e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Users\Admin\AppData\Local\Temp\is-3UAGA.tmp\is-12P4U.tmp"C:\Users\Admin\AppData\Local\Temp\is-3UAGA.tmp\is-12P4U.tmp" /SL4 $400F8 "C:\Users\Admin\AppData\Local\Temp\e281f1abf299b1d2c75a86a612770d9552c361dc3cb590ae5e2ac47f4d1aaa3a.exe" 5597940 1418242⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:2548
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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
- Loads dropped DLL
PID:1104
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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
- Loads dropped DLL
PID:2804
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
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
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
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
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3