Analysis
-
max time kernel
144s -
max time network
134s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
11-12-2023 08:09
Static task
static1
Behavioral task
behavioral1
Sample
66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe
Resource
win10-20231020-en
General
-
Target
66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe
-
Size
6.9MB
-
MD5
defc29d827aa1c44410da1ee31309bf1
-
SHA1
b26ce25232b630c9f1ad7c7038386e65d4eefcee
-
SHA256
66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427
-
SHA512
3dc515823ed12f8430bc091417d67b7f079cb10e043a5944d465705372660fec1a2aa280c278ee8c93201c8c3d7e2c4bb1642ef57392de3cefc1caf274b4cc94
-
SSDEEP
98304:zCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:YstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 1628 wmaformat.exe 4408 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.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\uninstall\unins000.dat 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-22D18.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9LCVU.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-8FE97.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2NGA8.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-73EPM.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AV5AF.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SETSG.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0TQ8E.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0N08F.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q0LBA.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UP8D7.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TPLOR.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6RLDU.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-3N1DJ.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MH7IL.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-656DH.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-20AN6.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UGGHV.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G021C.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-D6EFQ.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-PR5BL.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QOGJJ.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-E805B.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-H63EF.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PP9F1.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-L1V63.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SG887.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TU31Q.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-13EJF.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U0N04.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\is-JIEVB.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HP10H.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SA39S.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B8A2K.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-9ETAE.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-N9CSB.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3L39J.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9SPF0.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7LNAJ.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8GGQL.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0BVGI.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FENSC.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JF4K0.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J0CU3.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-S8JAK.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SKPV3.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EH9EN.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MKIFJ.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R7OA0.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5QNVF.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FNIMI.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q1SLS.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R0QJ8.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-I4R7N.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NRQSI.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-H93N3.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AFGJG.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6R7AI.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K3TA5.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-JUTIG.tmp 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp -
Runs net.exe
-
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2812 wrote to memory of 3652 2812 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe 71 PID 2812 wrote to memory of 3652 2812 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe 71 PID 2812 wrote to memory of 3652 2812 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe 71 PID 3652 wrote to memory of 200 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 72 PID 3652 wrote to memory of 200 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 72 PID 3652 wrote to memory of 200 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 72 PID 3652 wrote to memory of 1628 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 74 PID 3652 wrote to memory of 1628 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 74 PID 3652 wrote to memory of 1628 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 74 PID 3652 wrote to memory of 4504 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 77 PID 3652 wrote to memory of 4504 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 77 PID 3652 wrote to memory of 4504 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 77 PID 3652 wrote to memory of 4408 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 76 PID 3652 wrote to memory of 4408 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 76 PID 3652 wrote to memory of 4408 3652 66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp 76 PID 4504 wrote to memory of 5084 4504 net.exe 78 PID 4504 wrote to memory of 5084 4504 net.exe 78 PID 4504 wrote to memory of 5084 4504 net.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe"C:\Users\Admin\AppData\Local\Temp\66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Users\Admin\AppData\Local\Temp\is-37EP1.tmp\66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp"C:\Users\Admin\AppData\Local\Temp\is-37EP1.tmp\66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp" /SL5="$901D8,6990075,68096,C:\Users\Admin\AppData\Local\Temp\66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:200
-
-
C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:1628
-
-
C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4408
-
-
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:5084
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.8MB
MD5524bfe0d470e2ab13742f92cdbfed508
SHA148101afa30091d7c96a380b5691ffacb5bc384df
SHA256c4c9b495dc588973e4e7309756105795a1d3e0328fa19337a97f5b8a3ed45ea1
SHA51250beaf5e63bdcfa1cff6fc3c4d88ba77e3ec55f6ae9d81163dea30b83f91fb672964460167a66730735d2fccfc8f92a209d272f69349b31b162abe939c7c504e
-
Filesize
1.2MB
MD5e87d2e18cf522958d3c940812edf76e5
SHA16c9e0975be2c1782e53d2960454a6d3973629d49
SHA256f0bf73051f0294bc52638b0115069e1a56500cb219fe8995dd12fa646b8ff8f4
SHA5124d1171e3a92e52e35d0e8e5b5be53884c4fc6e5c8fc9a8bb172fd9b72a02bfaadf754957ece54a70b62266c20d09ae141d1555d89dc8783394160df1a1be5351
-
Filesize
983KB
MD5d00c79804fc414d6129a2db77aebde8e
SHA14d7a3687ddc4d3f463e53dd450023a665679c98d
SHA256c3230337647511cd13ab1ba989d7b11e989d8d62561dcba5c7b14de4505da419
SHA5127bd09725a10399b3f17c43d46f6d4f49a193bd9a3ad458aad8b2a64a3ba590c3286405b160ae8ee1466aa2fb740e2fd12df503063ea9e9f6f8bdf9268eea6c6f
-
C:\Users\Admin\AppData\Local\Temp\is-37EP1.tmp\66cfd6d99f2354095a4641f6cb2f25210a9b2117d86247a470be41b031583427.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303