Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
11/12/2023, 09:10
Static task
static1
Behavioral task
behavioral1
Sample
3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe
Resource
win10v2004-20231127-en
General
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Target
3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe
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Size
6.9MB
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MD5
2eed1328901778ae243cc94447a9b68d
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SHA1
ac398ec1647fa64691ead2def41c465a71c6337c
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SHA256
3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351
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SHA512
f6eaa769df7ebb3a66cc944962ec6c4a71afa8757461a4e5cd636ae3e181874d9cadb10afb79cc72aaaec05aebbd020dd3976347eec725d49a4f75517b9cec4f
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SSDEEP
98304:GCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:bstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 2384 wmaformat.exe 2044 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.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 45.155.250.90 -
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 63 IoCs
description ioc Process File created C:\Program Files (x86)\WMAFormat\bin\x86\is-F31GK.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LC1QO.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-O4STM.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-I0R4G.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9COFG.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IVF4E.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SF0E3.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-H4V8L.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-S7262.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RPPDJ.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EC5L0.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8UDF6.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O34UO.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UUM35.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LE0GP.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-483F4.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1G874.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-98KHP.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-3OBKB.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HNQT4.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-31I7N.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VP29N.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RVV5V.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-70IOK.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-68SUJ.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QLFGA.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-H8F3I.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-72QJ0.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AP9M4.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HENK6.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EK4L7.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-BM197.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3P7I6.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q0EAV.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-76A2S.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4NJTP.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5KF2B.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TBE8E.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MVE5S.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PL3II.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-48QF7.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9DMJ8.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AG2RU.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-VVF73.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9LSUB.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-VIH7L.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VIIHJ.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5528A.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J1LBG.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-4V7J7.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RP8BV.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VDV3V.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-F82KL.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JUJGO.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K39OG.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B278R.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A9QUN.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\is-RMFTO.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-RS556.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AU0IJ.tmp 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3564 wrote to memory of 1724 3564 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe 89 PID 3564 wrote to memory of 1724 3564 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe 89 PID 3564 wrote to memory of 1724 3564 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe 89 PID 1724 wrote to memory of 2036 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 92 PID 1724 wrote to memory of 2036 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 92 PID 1724 wrote to memory of 2036 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 92 PID 1724 wrote to memory of 2384 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 94 PID 1724 wrote to memory of 2384 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 94 PID 1724 wrote to memory of 2384 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 94 PID 1724 wrote to memory of 3300 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 97 PID 1724 wrote to memory of 3300 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 97 PID 1724 wrote to memory of 3300 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 97 PID 1724 wrote to memory of 2044 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 96 PID 1724 wrote to memory of 2044 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 96 PID 1724 wrote to memory of 2044 1724 3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp 96 PID 3300 wrote to memory of 2028 3300 net.exe 98 PID 3300 wrote to memory of 2028 3300 net.exe 98 PID 3300 wrote to memory of 2028 3300 net.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe"C:\Users\Admin\AppData\Local\Temp\3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\is-4A5IA.tmp\3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp"C:\Users\Admin\AppData\Local\Temp\is-4A5IA.tmp\3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp" /SL5="$901CE,6990075,68096,C:\Users\Admin\AppData\Local\Temp\3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2036
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:2384
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:2044
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:2028
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD5524bfe0d470e2ab13742f92cdbfed508
SHA148101afa30091d7c96a380b5691ffacb5bc384df
SHA256c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1
SHA51250beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e
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Filesize
960KB
MD5bdf0f82531ef197073c70fd4bf62d051
SHA1b9153b1f610246570be58e1aad3bf6628d758ff6
SHA2566e8ddf66f1df31fc34f5b3d1f5da943b7083c26179a72f592550d9ca28015740
SHA5124132365d87ae3aad7155121f09f797f875cd197757812d2d53b48b715e279e9d188adba677da6ca7dfae51c0e434b9920b3a0056ee34cf789942878d1b5bc459
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C:\Users\Admin\AppData\Local\Temp\is-4A5IA.tmp\3693538e5faf3ee5246543371d18669e0533a5ab0220594875138c7aad591351.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303