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 11:28
Static task
static1
Behavioral task
behavioral1
Sample
75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe
Resource
win10v2004-20231127-en
General
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Target
75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe
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Size
6.9MB
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MD5
3e5b237114827124ddece4da10306bd4
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SHA1
d5954e626bec2d48d882154c10f534744ebf1036
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SHA256
75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619
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SHA512
d170516fdaa6189ce27a39706d150f5aac83b15b36b8e591745bd6753d4837d0169712623b24fdcf6ebf58b1354b66ef28280659ac3a6e7cc4c468f898f8bd7d
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SSDEEP
196608:pyD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:M4Uvfc2RGatZcXF5uzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 4644 wmaformat.exe 1400 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.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-IHM37.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-6PKVU.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TI98J.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IHBHI.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-18V0T.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RQQF5.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VOF9T.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EEF7N.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B8JC6.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4BVDM.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MC8TR.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6LB4V.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VBG5U.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-04MV1.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-31VSL.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DTL1C.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SNE2A.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-KSMMI.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O3CFN.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R0JP9.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8POC8.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MAIEG.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B94TP.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LMK4O.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-EQG2F.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G5MK7.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DN8KA.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I378E.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3N939.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GVO70.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0K9SD.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5CGBQ.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7LVND.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TFP9N.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AR2OU.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-NJ086.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8GEA2.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BURV3.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-F2E1F.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HJRGR.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\is-C578B.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-I2HN0.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-T2B4A.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-C2CA6.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q01GF.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5KP2I.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-8TLEL.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-QDR8Q.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QULI7.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EKTJM.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AE6BU.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-94M4J.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6L2C5.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NAE17.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GFPSN.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9M8GE.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7TQ1N.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EG175.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IC8SM.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-36BL4.tmp 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 408 wrote to memory of 3784 408 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe 91 PID 408 wrote to memory of 3784 408 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe 91 PID 408 wrote to memory of 3784 408 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe 91 PID 3784 wrote to memory of 4324 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 94 PID 3784 wrote to memory of 4324 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 94 PID 3784 wrote to memory of 4324 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 94 PID 3784 wrote to memory of 4644 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 95 PID 3784 wrote to memory of 4644 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 95 PID 3784 wrote to memory of 4644 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 95 PID 3784 wrote to memory of 412 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 97 PID 3784 wrote to memory of 412 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 97 PID 3784 wrote to memory of 412 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 97 PID 3784 wrote to memory of 1400 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 98 PID 3784 wrote to memory of 1400 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 98 PID 3784 wrote to memory of 1400 3784 75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp 98 PID 412 wrote to memory of 3616 412 net.exe 100 PID 412 wrote to memory of 3616 412 net.exe 100 PID 412 wrote to memory of 3616 412 net.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe"C:\Users\Admin\AppData\Local\Temp\75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Users\Admin\AppData\Local\Temp\is-CGTFQ.tmp\75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp"C:\Users\Admin\AppData\Local\Temp\is-CGTFQ.tmp\75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.tmp" /SL5="$80062,6986290,68096,C:\Users\Admin\AppData\Local\Temp\75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:4324
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:4644
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:412 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:3616
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:1400
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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-CGTFQ.tmp\75b5788326e246df9c3cec55a64c8b0cfe62962a927244900cd1c02e2aabb619.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