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Analysis
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max time kernel
155s -
max time network
154s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
02/11/2023, 18:22
Static task
static1
Behavioral task
behavioral1
Sample
9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe
Resource
win10-20231020-en
General
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Target
9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe
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Size
5.5MB
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MD5
94eb3aec5f31794f035f4ca046f78599
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SHA1
711a308163f74724ab05538bbc0e41808ac59901
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SHA256
9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a
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SHA512
5308b15f2b4459b39e7557e61795afb4c2a62a7d3a60553e5ac2cfa38b0d7d9cd552f661f08f4a72dbadfc140f7313ee54034d1cefafc78772c2cfed369e443a
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SSDEEP
98304:PdRq4AONC9qituGNhDq15yvVR90qudubUD1pAVXZPfZqfthYV8l7e:l/PNMBKzyva3axVpPfZqFhWM7e
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4968 is-4MUU0.tmp 4272 IsoBuster_1123.exe 3884 IsoBuster_1123.exe -
Loads dropped DLL 1 IoCs
pid Process 4968 is-4MUU0.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-BSVUH.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QU18Q.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-UHBDV.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QUCU5.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-HOD8G.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-D9DVL.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-ANIAB.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-4H51A.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-EIFRB.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-FOA2B.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-TEGP2.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-NL64J.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-PEO7C.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-7IRFS.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-RCI89.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-K2L6N.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-E8VOE.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-V5M8A.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-6E3VK.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-6GDNC.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-GN26S.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Plugins\is-6J3SC.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\is-HB87M.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-K1SD1.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-T1905.tmp is-4MUU0.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-P2HFS.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-B9QVE.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-CIKPP.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Online\is-VIGRE.tmp is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Help\is-9KOS0.tmp is-4MUU0.tmp File opened for modification C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1123.exe is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\unins000.dat is-4MUU0.tmp File created C:\Program Files (x86)\Smart Projects\IsoBuster\Lang\is-QDEI8.tmp is-4MUU0.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 4076 wrote to memory of 4968 4076 9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe 71 PID 4076 wrote to memory of 4968 4076 9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe 71 PID 4076 wrote to memory of 4968 4076 9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe 71 PID 4968 wrote to memory of 2920 4968 is-4MUU0.tmp 72 PID 4968 wrote to memory of 2920 4968 is-4MUU0.tmp 72 PID 4968 wrote to memory of 2920 4968 is-4MUU0.tmp 72 PID 4968 wrote to memory of 4272 4968 is-4MUU0.tmp 74 PID 4968 wrote to memory of 4272 4968 is-4MUU0.tmp 74 PID 4968 wrote to memory of 4272 4968 is-4MUU0.tmp 74 PID 2920 wrote to memory of 2588 2920 net.exe 75 PID 2920 wrote to memory of 2588 2920 net.exe 75 PID 2920 wrote to memory of 2588 2920 net.exe 75 PID 4968 wrote to memory of 3884 4968 is-4MUU0.tmp 76 PID 4968 wrote to memory of 3884 4968 is-4MUU0.tmp 76 PID 4968 wrote to memory of 3884 4968 is-4MUU0.tmp 76
Processes
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C:\Users\Admin\AppData\Local\Temp\9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe"C:\Users\Admin\AppData\Local\Temp\9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\is-85MGT.tmp\is-4MUU0.tmp"C:\Users\Admin\AppData\Local\Temp\is-85MGT.tmp\is-4MUU0.tmp" /SL4 $D01EA "C:\Users\Admin\AppData\Local\Temp\9e5613fddafac906285f316159ceaf05fa502814beb28cd702f7632ccf2f240a.exe" 5412255 1105922⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:2588
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C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1123.exe"C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1123.exe" -i3⤵
- Executes dropped EXE
PID:4272
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C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1123.exe"C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1123.exe" -s3⤵
- Executes dropped EXE
PID:3884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.1MB
MD575cd38470e132f78fa05df657b2bd16d
SHA1cef58de9cf97b75832287edd0d9105969f0f45e3
SHA25698efa63fa9cef31e57462403365f7132851abde194450612f2c4bbfa8fcc1028
SHA512e9b9b59fc0fee3fff3ec13d43f0a85de98375834b6b1f733c5c256721f85d317fd96a99c69e40857822f92edd09a42ee47f866f2db3ebac8615ee7a4ccc5bd94
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Filesize
4.1MB
MD575cd38470e132f78fa05df657b2bd16d
SHA1cef58de9cf97b75832287edd0d9105969f0f45e3
SHA25698efa63fa9cef31e57462403365f7132851abde194450612f2c4bbfa8fcc1028
SHA512e9b9b59fc0fee3fff3ec13d43f0a85de98375834b6b1f733c5c256721f85d317fd96a99c69e40857822f92edd09a42ee47f866f2db3ebac8615ee7a4ccc5bd94
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Filesize
4.1MB
MD575cd38470e132f78fa05df657b2bd16d
SHA1cef58de9cf97b75832287edd0d9105969f0f45e3
SHA25698efa63fa9cef31e57462403365f7132851abde194450612f2c4bbfa8fcc1028
SHA512e9b9b59fc0fee3fff3ec13d43f0a85de98375834b6b1f733c5c256721f85d317fd96a99c69e40857822f92edd09a42ee47f866f2db3ebac8615ee7a4ccc5bd94
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63