Analysis
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max time kernel
156s -
max time network
151s -
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 06:57
Static task
static1
Behavioral task
behavioral1
Sample
16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe
Resource
win10v2004-20231127-en
General
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Target
16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe
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Size
6.9MB
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MD5
390e6169d7481605d374ca030e644631
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SHA1
9101eec0df8fe13d4df405eb2a0a707dbbd91e8a
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SHA256
16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896
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SHA512
8d6b9aacfd8b2a0b65b5713cd0a3ce114bd3d1a19fd2af10c593682bd5caad1cac5aed69d920617e584372d3ef4e8f93b0a50dccf2085334d6fad05d261c6f96
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SSDEEP
196608:3H/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:ucOhoGE1ArRvqlgM7xtAT0Hzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 3660 wmaformat.exe 3576 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.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-LND2S.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EOG4V.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GGF4D.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-IQU7R.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UVN4V.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SCVUA.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O8F3H.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3EO9D.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5FLE1.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JSJ9O.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-3SR6E.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GUV84.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5QID1.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LB5UR.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-IDF01.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GTIKO.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VUGR7.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JC5VN.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-DQ9SJ.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-8LSMJ.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I47KK.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PK7T6.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-31G99.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-GN7R3.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-14STP.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RJUST.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FDAU8.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0BIIN.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CEI42.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B8633.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3TBDG.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VBBI7.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LVR3D.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QG57E.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\is-9UA35.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-39SHC.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6H9M5.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JN2TL.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-G2F5N.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FF15G.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q73OA.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-P515C.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7SCVN.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O6OT0.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-73OM3.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FHRUK.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5VTNI.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G6J1G.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RPV01.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BO5BE.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7I6KR.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NCPIN.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HGJ04.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CAR9D.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QSU2G.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AQSHK.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GGJUQ.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GTMHT.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-17NR2.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-2J5LT.tmp 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3252 wrote to memory of 4680 3252 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe 89 PID 3252 wrote to memory of 4680 3252 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe 89 PID 3252 wrote to memory of 4680 3252 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe 89 PID 4680 wrote to memory of 1364 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 92 PID 4680 wrote to memory of 1364 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 92 PID 4680 wrote to memory of 1364 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 92 PID 4680 wrote to memory of 3660 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 93 PID 4680 wrote to memory of 3660 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 93 PID 4680 wrote to memory of 3660 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 93 PID 4680 wrote to memory of 3984 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 97 PID 4680 wrote to memory of 3984 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 97 PID 4680 wrote to memory of 3984 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 97 PID 4680 wrote to memory of 3576 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 95 PID 4680 wrote to memory of 3576 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 95 PID 4680 wrote to memory of 3576 4680 16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp 95 PID 3984 wrote to memory of 1816 3984 net.exe 98 PID 3984 wrote to memory of 1816 3984 net.exe 98 PID 3984 wrote to memory of 1816 3984 net.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe"C:\Users\Admin\AppData\Local\Temp\16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Users\Admin\AppData\Local\Temp\is-BK95C.tmp\16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp"C:\Users\Admin\AppData\Local\Temp\is-BK95C.tmp\16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.tmp" /SL5="$A006A,6982471,68096,C:\Users\Admin\AppData\Local\Temp\16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1364
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:3660
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:3576
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:1816
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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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C:\Users\Admin\AppData\Local\Temp\is-BK95C.tmp\16b2fdbbd5a7a8435b4694c4f4030ae0dc5d3e62fdab008db74c9c847e6a7896.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