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Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
01/11/2023, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe
Resource
win10-20231023-en
General
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Target
c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe
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Size
5.3MB
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MD5
f356eca7cb095092b9a0999c8cb76227
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SHA1
9cf4219cce74e0643738e987d40ce0579465eb10
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SHA256
c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812
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SHA512
9400df9db7a12685a79ac6abb55121d53bf58eb88ae81dcf8126fd2ab1e641af067512a54076575eb785a3f31161c3dc0ca9a4d3598b636c5288b212d60389f8
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SSDEEP
98304:yieKTwNImeAxT4EVkXqqsBE7nMTSaWudx0jgFqa698+ph:3zAImeIeqqs0MTZrWgm98Qh
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4964 is-4LUT2.tmp 4856 IsoBuster_1111.exe 2068 IsoBuster_1111.exe -
Loads dropped DLL 1 IoCs
pid Process 4964 is-4LUT2.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\Online\is-8679L.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-G768K.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-0VD0S.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-CJJ86.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-7JQ5H.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-QJQ7I.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-KK1PB.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-54FIR.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-ICUOD.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-REDGO.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Help\is-Q1Q9M.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-004O4.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-NORDA.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-614DQ.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-JEJ76.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-CHJOV.tmp is-4LUT2.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-G145N.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-57N8G.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-J9K0N.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-K8N40.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-SS25A.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-8GUUK.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-T74VI.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-UBEJG.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-7K73G.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-0B2BG.tmp is-4LUT2.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-SCGFS.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-IT4EO.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-4TOTA.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-GGER0.tmp is-4LUT2.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-TISEN.tmp is-4LUT2.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 220 wrote to memory of 4964 220 c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe 71 PID 220 wrote to memory of 4964 220 c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe 71 PID 220 wrote to memory of 4964 220 c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe 71 PID 4964 wrote to memory of 4712 4964 is-4LUT2.tmp 72 PID 4964 wrote to memory of 4712 4964 is-4LUT2.tmp 72 PID 4964 wrote to memory of 4712 4964 is-4LUT2.tmp 72 PID 4964 wrote to memory of 4856 4964 is-4LUT2.tmp 74 PID 4964 wrote to memory of 4856 4964 is-4LUT2.tmp 74 PID 4964 wrote to memory of 4856 4964 is-4LUT2.tmp 74 PID 4712 wrote to memory of 196 4712 net.exe 75 PID 4712 wrote to memory of 196 4712 net.exe 75 PID 4712 wrote to memory of 196 4712 net.exe 75 PID 4964 wrote to memory of 2068 4964 is-4LUT2.tmp 76 PID 4964 wrote to memory of 2068 4964 is-4LUT2.tmp 76 PID 4964 wrote to memory of 2068 4964 is-4LUT2.tmp 76
Processes
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C:\Users\Admin\AppData\Local\Temp\c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe"C:\Users\Admin\AppData\Local\Temp\c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Users\Admin\AppData\Local\Temp\is-MCLSF.tmp\is-4LUT2.tmp"C:\Users\Admin\AppData\Local\Temp\is-MCLSF.tmp\is-4LUT2.tmp" /SL4 $901F4 "C:\Users\Admin\AppData\Local\Temp\c7dfad1724133ecf05fbdde0f39e84a84f4b538413b558f242c85679d593b812.exe" 5292953 1576962⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 13⤵
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 14⤵PID:196
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C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe"C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe" -i3⤵
- Executes dropped EXE
PID:4856
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C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe"C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1111.exe" -s3⤵
- Executes dropped EXE
PID:2068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.5MB
MD5f2770be68adb4681a10dd1a7c0030ad7
SHA127ec5341ab7c6a645f00acab811543ba9b64f3a2
SHA2564440da7ede7a71610f3c9ec79a4e91ee6c0b39a3440aefde3a6dd60b29311857
SHA512adcb4bdca1f6e97e49009736575e8c819884cf9007dae4a838ceb89d2c6eeec03bdb46759fe7045cdb4cb879292cc8210bd4a8e6409e38a98f64a861b055b0e3
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Filesize
4.5MB
MD5f2770be68adb4681a10dd1a7c0030ad7
SHA127ec5341ab7c6a645f00acab811543ba9b64f3a2
SHA2564440da7ede7a71610f3c9ec79a4e91ee6c0b39a3440aefde3a6dd60b29311857
SHA512adcb4bdca1f6e97e49009736575e8c819884cf9007dae4a838ceb89d2c6eeec03bdb46759fe7045cdb4cb879292cc8210bd4a8e6409e38a98f64a861b055b0e3
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Filesize
4.5MB
MD5f2770be68adb4681a10dd1a7c0030ad7
SHA127ec5341ab7c6a645f00acab811543ba9b64f3a2
SHA2564440da7ede7a71610f3c9ec79a4e91ee6c0b39a3440aefde3a6dd60b29311857
SHA512adcb4bdca1f6e97e49009736575e8c819884cf9007dae4a838ceb89d2c6eeec03bdb46759fe7045cdb4cb879292cc8210bd4a8e6409e38a98f64a861b055b0e3
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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