Analysis
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max time kernel
144s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
11-12-2023 07:04
Static task
static1
Behavioral task
behavioral1
Sample
790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe
Resource
win10-20231020-en
General
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Target
790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe
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Size
6.9MB
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MD5
eed69f0d89c161a53cecc947b6ec04c9
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SHA1
f13a3e27936fdc78d1a4927e9b92d1cd29d6307d
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SHA256
790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52
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SHA512
5d47be508d122ddfb0516685207984b057bc0b805e6a0d717b9858aee71a7e71c46cadb98e267c7de11b55508684d914f732a74a3008fe71ddc52b270e10782a
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SSDEEP
196608:UyD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:j4Uvfc2RGatZcXF5uzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 3664 wmaformat.exe 304 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.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 141.98.234.31 -
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-11086.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-85TFD.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-AKVNA.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PUBMC.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PSS35.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\is-ET736.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CQ8O3.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6NB23.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5T4RK.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7QQR9.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2VL0D.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KOOCH.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9L0QD.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U2KOR.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A7KID.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1GJTQ.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TGMC6.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AUBUQ.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8IJM8.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O8B81.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-I3S59.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-M6BJU.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-F4OJ8.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6C7RM.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BVNTQ.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3CMNT.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BDI2R.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I14KS.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-35QOO.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E6K4V.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K2BLO.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-0FHMD.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MO1GL.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CHJRE.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2F2N2.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ENJR7.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QP5LB.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-12TDC.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U8IJE.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OTRIN.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-362GL.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-QQ52E.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RSKCG.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R9HD8.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GT9NC.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ELNKN.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-5AFGL.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-T5FBH.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-31OS8.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LEUUO.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JCAKN.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-6E2NA.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HM70C.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-1ML46.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PAVG9.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ID01H.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FTKB8.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TRC1D.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9I3UM.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TTU4G.tmp 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3244 wrote to memory of 3472 3244 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe 71 PID 3244 wrote to memory of 3472 3244 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe 71 PID 3244 wrote to memory of 3472 3244 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe 71 PID 3472 wrote to memory of 1016 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 72 PID 3472 wrote to memory of 1016 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 72 PID 3472 wrote to memory of 1016 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 72 PID 3472 wrote to memory of 3664 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 74 PID 3472 wrote to memory of 3664 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 74 PID 3472 wrote to memory of 3664 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 74 PID 3472 wrote to memory of 4992 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 77 PID 3472 wrote to memory of 4992 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 77 PID 3472 wrote to memory of 4992 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 77 PID 3472 wrote to memory of 304 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 76 PID 3472 wrote to memory of 304 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 76 PID 3472 wrote to memory of 304 3472 790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp 76 PID 4992 wrote to memory of 1492 4992 net.exe 78 PID 4992 wrote to memory of 1492 4992 net.exe 78 PID 4992 wrote to memory of 1492 4992 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe"C:\Users\Admin\AppData\Local\Temp\790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3244 -
C:\Users\Admin\AppData\Local\Temp\is-MNBOC.tmp\790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp"C:\Users\Admin\AppData\Local\Temp\is-MNBOC.tmp\790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.tmp" /SL5="$801D4,6986290,68096,C:\Users\Admin\AppData\Local\Temp\790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1016
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:3664
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:304
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:1492
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD5ee8b22146a6e1f7cbba2c11bbca9b52b
SHA1f67a54573451b7bf873192100a1ef3e1c980f7a2
SHA2565a3ad1b1662ad7858be1fef617d98b04f0eb23b10fc806a89ca3de8ce36ccd77
SHA51216254c4914b639a7bde084fd1970c62e2a637b72a9cb86ab43f13da5c473e44612596b003389314eadc136034f726900b895b3180b1d8bfe4752d2e7fbcbeefa
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C:\Users\Admin\AppData\Local\Temp\is-MNBOC.tmp\790f5dc9dbf3108d24ae280823dfdfe0ec0cd8c486afd347a98d9248d03bfc52.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