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Analysis
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max time kernel
145s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
11/12/2023, 05:17
Static task
static1
Behavioral task
behavioral1
Sample
2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe
Resource
win10-20231023-en
General
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Target
2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe
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Size
6.9MB
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MD5
393ea8d2cfc233e78d9d206cd802cdbf
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SHA1
e2c593614e841035e42890160b6e9756e623f874
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SHA256
2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684
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SHA512
9dba39be2fdcf3b956d003ff71ad335b14e058ba4ead1cfceb9e4300ea227ed07dd9a0998c92932843dd209f8228df19ecc5c7c6c628440c38362f401b47a6c5
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SSDEEP
98304:+CtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:jstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 4700 wmaformat.exe 3616 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.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-2JO3U.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I6R30.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2LSC3.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1PPBE.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-60HO1.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VDSOQ.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QS6QV.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HL062.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8K6ES.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-63BFG.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0R24R.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LQMHL.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EUVIG.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0BLK4.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ET0PK.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GORLE.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VR99I.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RAPFO.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KOIE4.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J0FQQ.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EMEMM.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BVSG1.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VTVJ4.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-95VJ6.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VBPDJ.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AD6DS.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-V1HK2.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QOK2H.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KTMBJ.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-STD2B.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-69SD8.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4UV51.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-33B34.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ENQKJ.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-H52V8.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\is-G9H86.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-SUOJF.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-93J02.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E4NBE.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BFFS0.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TUJNS.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EHUS1.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OMRFL.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-85JSN.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QN7BV.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RCDMC.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-NHPRA.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DAI3A.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-D8U5B.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IK20V.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-SNFG0.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-28QPK.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4IOAQ.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-V5QU5.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-QGT77.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-42Q5V.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E2Q25.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SBVGB.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5A457.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A0BMN.tmp 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3664 wrote to memory of 5020 3664 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe 71 PID 3664 wrote to memory of 5020 3664 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe 71 PID 3664 wrote to memory of 5020 3664 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe 71 PID 5020 wrote to memory of 3300 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 72 PID 5020 wrote to memory of 3300 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 72 PID 5020 wrote to memory of 3300 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 72 PID 5020 wrote to memory of 4700 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 74 PID 5020 wrote to memory of 4700 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 74 PID 5020 wrote to memory of 4700 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 74 PID 5020 wrote to memory of 512 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 75 PID 5020 wrote to memory of 512 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 75 PID 5020 wrote to memory of 512 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 75 PID 5020 wrote to memory of 3616 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 76 PID 5020 wrote to memory of 3616 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 76 PID 5020 wrote to memory of 3616 5020 2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp 76 PID 512 wrote to memory of 2380 512 net.exe 78 PID 512 wrote to memory of 2380 512 net.exe 78 PID 512 wrote to memory of 2380 512 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe"C:\Users\Admin\AppData\Local\Temp\2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Users\Admin\AppData\Local\Temp\is-B0SKO.tmp\2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp"C:\Users\Admin\AppData\Local\Temp\is-B0SKO.tmp\2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.tmp" /SL5="$501E4,6990075,68096,C:\Users\Admin\AppData\Local\Temp\2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3300
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:4700
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:2380
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:3616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5524bfe0d470e2ab13742f92cdbfed508
SHA148101afa30091d7c96a380b5691ffacb5bc384df
SHA256c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1
SHA51250beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e
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C:\Users\Admin\AppData\Local\Temp\is-B0SKO.tmp\2294b3cd31d84cfa780d005a77cce14732c6f53dbed268e5263133b62bbea684.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