Analysis
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max time kernel
145s -
max time network
131s -
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 10:56
Static task
static1
Behavioral task
behavioral1
Sample
f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe
Resource
win10v2004-20231127-en
General
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Target
f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe
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Size
6.9MB
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MD5
11f5642d6ab0ef91c8b31cbca5851a66
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SHA1
7066cb4560230b8151fd54f36148e26fbcde7bff
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SHA256
f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140
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SHA512
e3b2662af852c08f47f7fa91cc116edb4ddb9ca31b0670e7fa7b57b8d31dc87b568f724b7a76616b2c21de42ba55850e65989ad84263ee0ffaa2fe46d0fd93e1
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SSDEEP
196608:IH/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:9cOhoGE1ArRvqlgM7xtAT0Hzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 3748 wmaformat.exe 4192 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.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-4IPQ9.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-RELJG.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5RC8K.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-75Q9C.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SL7GA.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2E1KR.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CLOS9.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-7R4U0.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5UVQU.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-ELCV4.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-CL9IP.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GTN0D.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9HH4O.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FFSV7.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HPD54.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-Q572O.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G1F18.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-M7ME4.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-31P4I.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FEHEJ.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SHG12.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7C3AC.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2CUHI.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J7UDU.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-K099Q.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-I5DJE.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-RPG3E.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FHK2I.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5BFII.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-43VT0.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5C5F3.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-10II1.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-NNC1P.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-LNM7V.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-SNT0G.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5JKM6.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U2JU2.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-HDABS.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DAPCG.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0T74M.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-MS012.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7J3D4.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-C8LII.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OA93F.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TKORG.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-958QT.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9BI1Q.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8QV0N.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-3A6Q1.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\is-IQ2F0.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-201F6.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-RIKSI.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7AKKK.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-P49RF.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-F6UCD.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-R6GKH.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-N5QRH.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0J4BD.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-S6BDP.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-B3Q44.tmp f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3332 wrote to memory of 1512 3332 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe 86 PID 3332 wrote to memory of 1512 3332 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe 86 PID 3332 wrote to memory of 1512 3332 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe 86 PID 1512 wrote to memory of 2156 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 89 PID 1512 wrote to memory of 2156 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 89 PID 1512 wrote to memory of 2156 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 89 PID 1512 wrote to memory of 3748 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 91 PID 1512 wrote to memory of 3748 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 91 PID 1512 wrote to memory of 3748 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 91 PID 1512 wrote to memory of 2328 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 94 PID 1512 wrote to memory of 2328 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 94 PID 1512 wrote to memory of 2328 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 94 PID 1512 wrote to memory of 4192 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 92 PID 1512 wrote to memory of 4192 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 92 PID 1512 wrote to memory of 4192 1512 f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp 92 PID 2328 wrote to memory of 1572 2328 net.exe 95 PID 2328 wrote to memory of 1572 2328 net.exe 95 PID 2328 wrote to memory of 1572 2328 net.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe"C:\Users\Admin\AppData\Local\Temp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Users\Admin\AppData\Local\Temp\is-QSMPG.tmp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp"C:\Users\Admin\AppData\Local\Temp\is-QSMPG.tmp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp" /SL5="$40210,6982471,68096,C:\Users\Admin\AppData\Local\Temp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2156
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:3748
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4192
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:1572
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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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Filesize
607KB
MD54c72da993119795ccca540cc0212670b
SHA1372d2b662014ce6271c9dc9a7520848e3ec2de94
SHA2564672dac6bf871f11cfb748a3b20d622550a2684ef9be2c4fbeb3eab97de226eb
SHA512532dd4b7fa3c151ca5cb2ae7b9a0eef5de4338298ce2d131d089ca48f93bd93347391fb194417f780dba302abfbdb87c39dca742f7ae39de7f86716c858e2b19
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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-QSMPG.tmp\f0bca3a70ba9f7dd0b12c5abb2f877f027647e31204cea1092165b5faac57140.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4