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Analysis
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max time kernel
144s -
max time network
156s -
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, 10:57
Static task
static1
Behavioral task
behavioral1
Sample
c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe
Resource
win10v2004-20231127-en
General
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Target
c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe
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Size
6.9MB
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MD5
ec4e6e338eed3ed341a5361499f39daf
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SHA1
95c801f687ad2155d18e6b81d14140f4ba1d54d4
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SHA256
c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7
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SHA512
48da7643f6dc0ed01e237c60892d9b43c58db119cb71d9f476ec3882afbfd755d4610762ea868c456687b1ca8dee7714709366363cf7592960f134a2db361f7c
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SSDEEP
98304:3CtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:kstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 4784 wmaformat.exe 4148 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.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-5JCJV.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CAC49.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EJKQ0.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SB8NE.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-NFNLJ.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3D7K8.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-98UU3.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OR8HF.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3JST9.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-ABK6G.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-TV1CD.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HKF5I.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8AOUV.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NBHDK.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7LLTS.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-4SB6J.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\is-DTPNQ.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-FJUE6.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DN2S3.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AA0BM.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-P5PT0.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LF6PD.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7VT9B.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RF56C.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K3LLD.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-72G9J.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JMU4N.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-92CEC.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5E2JS.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-481GG.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NJJPU.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8OJ54.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PFI0M.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-D5D04.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FH2UA.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PK14V.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8NA8T.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-820KS.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6M1N3.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4DVDK.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VMLKK.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JGT5D.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-N38QJ.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EGKKD.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KL4QR.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-EAK5P.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NOI6U.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-KTI8N.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-20T4L.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GDD5P.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KU8MO.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-52399.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OKFSL.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5U4MJ.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-S096Q.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1KKKP.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NR3N0.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5UDCM.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8P3DI.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-66HC9.tmp c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4008 wrote to memory of 4412 4008 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe 89 PID 4008 wrote to memory of 4412 4008 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe 89 PID 4008 wrote to memory of 4412 4008 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe 89 PID 4412 wrote to memory of 1608 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 92 PID 4412 wrote to memory of 1608 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 92 PID 4412 wrote to memory of 1608 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 92 PID 4412 wrote to memory of 4784 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 93 PID 4412 wrote to memory of 4784 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 93 PID 4412 wrote to memory of 4784 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 93 PID 4412 wrote to memory of 4848 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 97 PID 4412 wrote to memory of 4848 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 97 PID 4412 wrote to memory of 4848 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 97 PID 4412 wrote to memory of 4148 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 96 PID 4412 wrote to memory of 4148 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 96 PID 4412 wrote to memory of 4148 4412 c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp 96 PID 4848 wrote to memory of 3352 4848 net.exe 98 PID 4848 wrote to memory of 3352 4848 net.exe 98 PID 4848 wrote to memory of 3352 4848 net.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe"C:\Users\Admin\AppData\Local\Temp\c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Users\Admin\AppData\Local\Temp\is-T9HFM.tmp\c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp"C:\Users\Admin\AppData\Local\Temp\is-T9HFM.tmp\c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp" /SL5="$401F0,6990075,68096,C:\Users\Admin\AppData\Local\Temp\c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1608
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:4784
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4148
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:3352
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD5524bfe0d470e2ab13742f92cdbfed508
SHA148101afa30091d7c96a380b5691ffacb5bc384df
SHA256c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1
SHA51250beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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C:\Users\Admin\AppData\Local\Temp\is-T9HFM.tmp\c8ec01eeeb72117e61aa765a4a5a951058ea54f097fe18d9c3778a002bd655c7.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4