Analysis
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max time kernel
143s -
max time network
129s -
platform
windows10-1703_x64 -
resource
win10-20231025-en -
resource tags
arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system -
submitted
11/12/2023, 06:45
Static task
static1
Behavioral task
behavioral1
Sample
6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe
Resource
win10-20231025-en
General
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Target
6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe
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Size
6.9MB
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MD5
1075ef310605703a6919f2f4a7f5101f
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SHA1
127f86c506195bfc77963a1266fd2a967147e32d
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SHA256
6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4
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SHA512
81a973cb7dd0485ef180c6930e730f33723479656ee6c13fcdb0402f471b0a3a83ce717f251152639b620998a113900310fc74721ef5e3d202e000a4dc459f77
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SSDEEP
196608:iRW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:iQeqbhPK4DFY4CtOUYVfzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 2952 wmaformat.exe 3436 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.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\stuff\is-D4EK7.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J45ND.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UUTE1.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\is-SBGRH.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-FSG25.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NJ4MR.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PF2DF.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8IE2M.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B8OUJ.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-KTIQH.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3LTVU.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-81U3O.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GQVHB.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-L8SV3.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FUUQ3.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8T0NA.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-V2PGK.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-ET97J.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-USN3I.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BHLOB.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4UN95.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-DBCO3.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-43JPH.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J5I4R.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KU72N.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7N1IM.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AI7QL.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U9NTV.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RVGAS.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O1SR2.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-9CHG9.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R3VO0.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5F55B.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-54GVT.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LOGIM.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JRRFE.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QOEFP.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VMBCO.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-QDNG9.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-AN1JL.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QUIOU.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-17BCK.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9NRQP.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2BD7N.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LSTLM.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2JRJ9.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JC2NM.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-GUE7B.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-94OQE.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-N98L1.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4T1Q9.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J6ISB.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TG6UK.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SV95T.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VAMM0.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-874TN.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-33MBI.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VACMJ.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-V0HS1.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CQ5N9.tmp 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 516 wrote to memory of 1400 516 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe 71 PID 516 wrote to memory of 1400 516 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe 71 PID 516 wrote to memory of 1400 516 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe 71 PID 1400 wrote to memory of 1300 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 72 PID 1400 wrote to memory of 1300 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 72 PID 1400 wrote to memory of 1300 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 72 PID 1400 wrote to memory of 2952 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 74 PID 1400 wrote to memory of 2952 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 74 PID 1400 wrote to memory of 2952 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 74 PID 1400 wrote to memory of 5024 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 77 PID 1400 wrote to memory of 5024 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 77 PID 1400 wrote to memory of 5024 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 77 PID 1400 wrote to memory of 3436 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 76 PID 1400 wrote to memory of 3436 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 76 PID 1400 wrote to memory of 3436 1400 6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp 76 PID 5024 wrote to memory of 420 5024 net.exe 78 PID 5024 wrote to memory of 420 5024 net.exe 78 PID 5024 wrote to memory of 420 5024 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe"C:\Users\Admin\AppData\Local\Temp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:516 -
C:\Users\Admin\AppData\Local\Temp\is-IQM15.tmp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp"C:\Users\Admin\AppData\Local\Temp\is-IQM15.tmp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.tmp" /SL5="$70216,6953145,68096,C:\Users\Admin\AppData\Local\Temp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1300
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:2952
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:3436
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:420
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD50280b00d7cf6a1d0e836f72f5e94c0fb
SHA18f21d39aa6137c758f73c378042dde4001006946
SHA2565494dda0175037320250f0dca19188091efff397b7e3a7f181e449c4c216703c
SHA512072cf3bc6c580035a8f0ae719b03662d762a994138f879d2c6380cd8aff71b1c55731fb99658dec6a23756ad8fbafa7122480a6cd8434788eee6047181b7920e
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Filesize
1.3MB
MD5fb3332e8eeb956393e0bc3b0dcdb6d2b
SHA1a6f823fd704d3254c7888225b760cd61585c62e9
SHA25683cb892f3cd6446a5a777132b773a286ce767642967c129201c3379a00bdc024
SHA512641c4c3c28c7387fa265382089a8f2daf1ca1f964dc950d89ff1cac08d3a28483191e53d1af6096426b84eb14dc6fa170cd2ec33fcc2c16ed3712461352b9c57
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Filesize
887KB
MD5a63a92a0a48c5333dc5a62fd41a68537
SHA1c8f98ed02a000f499d1717caf55c2e405f7199f8
SHA256ff35c0ecb5ba2f2c34252568243493917f8445b2997859edd620148ff72c3677
SHA5128c6785032efc9c581884d389cd4acfc30fd4e78adabe7241a2a27074f355dbc9535ba59b38018517adb8b5c68f922ded167a13b0e8d6919a4882666c50f623f4
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C:\Users\Admin\AppData\Local\Temp\is-IQM15.tmp\6166e1bc5d450db094cd4e35a8ee3b6d99bb94f8e42708e380b0ba932b37ede4.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