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Analysis
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max time kernel
156s -
max time network
148s -
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, 08:55
Static task
static1
Behavioral task
behavioral1
Sample
4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe
Resource
win10v2004-20231127-en
General
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Target
4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe
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Size
6.9MB
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MD5
4eee869f4abfe5a790b9954094f6cdcd
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SHA1
d404ecce1f37ef276879146eb81b0ef12f9205b8
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SHA256
4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c
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SHA512
81dcb099530e72dac27238c59780167d3f3542e0425e9e394be70afaa3d6c317da1db774a59fd58bd2f729fc25eb994cbec7b6b5b4d93f5344a5cefdd82051d8
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SSDEEP
196608:pH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:gcOhoGE1ArRvqlgM7xtAT0Hzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 2216 wmaformat.exe 2436 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.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 81.31.197.38 -
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-S6F4R.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4IECU.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JTNGP.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-727E5.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-N1NMF.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1AMG8.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3GU5E.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-1U5V5.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FK5U9.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RBR0H.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-83MJD.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5E7B0.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LT6LS.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-MUU5J.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-2C1O3.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G0Q8M.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9AB0L.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-M5I3F.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4GRN8.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MCE5J.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9MK69.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6F5P2.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G4Q4I.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\is-2J8T2.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MFSDP.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KNOBU.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7S2QT.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IR1QD.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-67B9M.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I0J15.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2EG3T.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1U005.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HK6VO.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BQST8.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-2H8MK.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3L3TE.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GN01P.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-IOGTA.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UFPGS.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-72J59.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QF2PH.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A48VC.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TM0JB.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-42NOU.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DIJ3E.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-8VC5M.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3AFLE.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CKMHI.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-H4QK1.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IMALU.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AGICP.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-3UISK.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2KRAO.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LTICJ.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O4MLL.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GTCH2.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-3KU0R.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HQDDT.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VJUOM.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A8IFF.tmp 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4972 wrote to memory of 4568 4972 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe 89 PID 4972 wrote to memory of 4568 4972 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe 89 PID 4972 wrote to memory of 4568 4972 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe 89 PID 4568 wrote to memory of 3808 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 91 PID 4568 wrote to memory of 3808 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 91 PID 4568 wrote to memory of 3808 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 91 PID 4568 wrote to memory of 2216 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 93 PID 4568 wrote to memory of 2216 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 93 PID 4568 wrote to memory of 2216 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 93 PID 4568 wrote to memory of 1932 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 94 PID 4568 wrote to memory of 1932 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 94 PID 4568 wrote to memory of 1932 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 94 PID 4568 wrote to memory of 2436 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 95 PID 4568 wrote to memory of 2436 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 95 PID 4568 wrote to memory of 2436 4568 4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp 95 PID 1932 wrote to memory of 4536 1932 net.exe 98 PID 1932 wrote to memory of 4536 1932 net.exe 98 PID 1932 wrote to memory of 4536 1932 net.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe"C:\Users\Admin\AppData\Local\Temp\4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Users\Admin\AppData\Local\Temp\is-VSABS.tmp\4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp"C:\Users\Admin\AppData\Local\Temp\is-VSABS.tmp\4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp" /SL5="$80172,6982471,68096,C:\Users\Admin\AppData\Local\Temp\4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3808
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:2216
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:4536
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:2436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD5c343c906aaa2e2ac5b3ae9ab154c80a4
SHA1b1ed930436a743821a403f3c185a222f41a2af44
SHA256ea6a69b2b6f3893ac9963afcb168abc24e5c879ea1c600f6c54723564bfbe135
SHA512df1ebb33e8675a5decd77cc66ba0befb7dad77442b5447009301123e868332a520dca4177b7db2fa9e39846b916daa2e77b172e238a251b80a40990931a94eb6
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Filesize
1.2MB
MD5e9eaea47a2c020f2ba57ebc80f1e6bc0
SHA1b41c3d99283e990c9ab505d4080a465025cd1017
SHA256dcfcd54c5ba67545acb5b6cd918ed968632da7e615772de29f66605baad9b494
SHA5128a685271fbc78e294f998db2129cfc560ed6fa15913f0b7a0e46e89013e7ea3e1cedf6ad901d6b00cb6a952fb5165a8d429d5e92804549eac1d351686f280e3a
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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C:\Users\Admin\AppData\Local\Temp\is-VSABS.tmp\4db3cc145c76e360c3d08eefff6557202881e6b020f8b2603788f00d96cd947c.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4