Analysis
-
max time kernel
148s -
max time network
148s -
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, 07:00
Static task
static1
Behavioral task
behavioral1
Sample
feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe
Resource
win10v2004-20231127-en
General
-
Target
feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe
-
Size
6.9MB
-
MD5
13cc1740021825400337df99ea1a7dc7
-
SHA1
264e611d7c8f5dc718c7da74397431f6d664e8cf
-
SHA256
feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455
-
SHA512
e04f1282393b7d3c27e65ff279580b7e00a6779595ffe16432ae830a2458e84a2e065a6fdb1480ba50d306719cc38b56744036e9b367f47ac66b23f02b6b6823
-
SSDEEP
98304:OCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:TstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 2240 wmaformat.exe 4668 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.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.
-
Drops file in Program Files directory 63 IoCs
description ioc Process File created C:\Program Files (x86)\WMAFormat\stuff\is-PM887.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8PF4V.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-9DSGV.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CC10L.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PFPSQ.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UV3CU.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6VFDH.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-M8UG1.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MQC63.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FV3M7.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UNO6B.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-2MF25.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U19FL.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QRFQB.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1P4FI.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BH1JL.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JUAST.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QO7UI.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VMEOI.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CIJGL.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-HFA9B.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LMNTO.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HO0UF.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6K6V2.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UCCGG.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RMPNK.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QVI4A.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NNAEA.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DDSC9.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VUO24.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HQ0QM.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1QMLN.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2GEV1.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HLMRD.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5CL37.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9B02T.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-8QLMS.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E664S.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PISBD.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DIUBL.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I1G1F.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BUHA8.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-NP2KD.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4QSSM.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K5VBJ.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3DFDQ.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-V2KND.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4SVPV.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3S8PA.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2IFBT.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\is-OOS21.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2COFR.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-98HUO.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PBP67.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FM8C7.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-19B3P.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-R6TIP.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-A3T6F.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-QPU16.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O7T6F.tmp feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp -
Runs net.exe
-
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4308 wrote to memory of 2088 4308 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe 86 PID 4308 wrote to memory of 2088 4308 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe 86 PID 4308 wrote to memory of 2088 4308 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe 86 PID 2088 wrote to memory of 3800 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 90 PID 2088 wrote to memory of 3800 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 90 PID 2088 wrote to memory of 3800 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 90 PID 2088 wrote to memory of 2240 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 92 PID 2088 wrote to memory of 2240 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 92 PID 2088 wrote to memory of 2240 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 92 PID 2088 wrote to memory of 4380 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 95 PID 2088 wrote to memory of 4380 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 95 PID 2088 wrote to memory of 4380 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 95 PID 2088 wrote to memory of 4668 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 93 PID 2088 wrote to memory of 4668 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 93 PID 2088 wrote to memory of 4668 2088 feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp 93 PID 4380 wrote to memory of 3284 4380 net.exe 96 PID 4380 wrote to memory of 3284 4380 net.exe 96 PID 4380 wrote to memory of 3284 4380 net.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe"C:\Users\Admin\AppData\Local\Temp\feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Users\Admin\AppData\Local\Temp\is-7BP9T.tmp\feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp"C:\Users\Admin\AppData\Local\Temp\is-7BP9T.tmp\feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp" /SL5="$50212,6990075,68096,C:\Users\Admin\AppData\Local\Temp\feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3800
-
-
C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:2240
-
-
C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4668
-
-
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:3284
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.8MB
MD5524bfe0d470e2ab13742f92cdbfed508
SHA148101afa30091d7c96a380b5691ffacb5bc384df
SHA256c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1
SHA51250beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e
-
Filesize
1.0MB
MD533ed147aafd9b583270ef0349df52c6f
SHA18f07ebeb24ffa6a2fe51321d9e6cefd77b1402b2
SHA25662aee6402a1f5ccf0b446530c58936172c2b2f200037fcf835f93fe4869eb5d0
SHA512c92ca0318eefa9f108af1f11cfb42f4a78e55ebe83abb39c0a0ce42bd4247ee3999011f6883bb35c3ea8792cff67c8acdfc6a4c296bbdf0542829d57790f9d8b
-
C:\Users\Admin\AppData\Local\Temp\is-7BP9T.tmp\feb43e7619257b7d8dbac613c2f19c5942305702e21c45ee66f82dc798eb5455.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303