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Analysis
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max time kernel
151s -
max time network
153s -
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, 09:38
Static task
static1
Behavioral task
behavioral1
Sample
b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe
Resource
win10v2004-20231127-en
General
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Target
b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe
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Size
6.9MB
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MD5
5ac17a8c9bba80205362fe1320a85800
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SHA1
f17c4cecff4cb342e64a86ff87996af30741692c
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SHA256
b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c
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SHA512
0b15a2db7bbda1621b4bf1f26c833db5751a140aa40715a80b035a128d53d9c54412eead94172efb602d0754497b9ab7b0ba89e4f6bde3de945d730f5026b474
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SSDEEP
196608:ARW8Bq+q3WGhRQY914E1DF+V3bm/LCGNq3eUeKP3gdVfzj:AQeqbhPK4DFY4CtOUYVfzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 1504 wmaformat.exe 4056 wmaformat.exe -
Loads dropped DLL 3 IoCs
pid Process 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.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-DPE6U.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-0IQ9Q.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-7VV14.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-94UFP.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-T5E02.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DQNDM.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-1N8AA.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FD2B9.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-EOMBL.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VPKOI.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UET56.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-597NP.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-BE4K0.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TI800.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File opened for modification C:\Program Files (x86)\WMAFormat\wmaformat.exe b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2HVNF.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TAEA7.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U0FC9.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-DI62R.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-G9600.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-GE1QD.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File opened for modification C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-FSICC.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6ATBU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OV7HC.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-SM3GU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-9D8BL.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QM360.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-TMP90.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8TMOU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-2EL6S.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-V0BNJ.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5L1IT.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VSQ7K.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QJTUO.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AIUTU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\is-H0BMD.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-AOVRC.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-QFHRS.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-8LU18.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-U5G9D.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\uninstall\is-4TBCS.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-3N5O1.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-2E9CH.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-AG0P6.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-VJS6E.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-PMHS8.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-929KQ.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-O3GMR.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-KTTPR.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-21L0I.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-4J1FU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-UFLN5.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-JDD5S.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\stuff\is-5G2DC.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-OB5JU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-5Q11F.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-6L5MU.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\lessmsi\is-Q32DQ.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J5BLG.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\plugins\internal\is-B403K.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp File created C:\Program Files (x86)\WMAFormat\bin\x86\is-J73PJ.tmp b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4648 wrote to memory of 2268 4648 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe 88 PID 4648 wrote to memory of 2268 4648 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe 88 PID 4648 wrote to memory of 2268 4648 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe 88 PID 2268 wrote to memory of 4560 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 90 PID 2268 wrote to memory of 4560 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 90 PID 2268 wrote to memory of 4560 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 90 PID 2268 wrote to memory of 1504 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 91 PID 2268 wrote to memory of 1504 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 91 PID 2268 wrote to memory of 1504 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 91 PID 2268 wrote to memory of 3812 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 95 PID 2268 wrote to memory of 3812 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 95 PID 2268 wrote to memory of 3812 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 95 PID 2268 wrote to memory of 4056 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 93 PID 2268 wrote to memory of 4056 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 93 PID 2268 wrote to memory of 4056 2268 b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp 93 PID 3812 wrote to memory of 4368 3812 net.exe 96 PID 3812 wrote to memory of 4368 3812 net.exe 96 PID 3812 wrote to memory of 4368 3812 net.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe"C:\Users\Admin\AppData\Local\Temp\b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\is-E2G3J.tmp\b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp"C:\Users\Admin\AppData\Local\Temp\is-E2G3J.tmp\b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp" /SL5="$601C6,6953145,68096,C:\Users\Admin\AppData\Local\Temp\b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:4560
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
PID:1504
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
PID:4056
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:4368
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:2996
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵PID:3684
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
275KB
MD5b565cd566c00b5258a717ff03c6446a8
SHA11b4e06387cd36934b84bc3e36da2cff70ef10b32
SHA256b54843a349526213b5604ea01bdf3b1684a9e2cb0230a46f4eb7267c16f2d07d
SHA512540b85393534a260abe09c627904f7cec07696456964fc18160b2f603d3cb366ef8391d8f2f970fff1a9d014136e81aec978c12606756c8eebc5b0741f252deb
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Filesize
256KB
MD5ceab55e508f13b4b279f384b9d0bae2a
SHA14ec751721c532f9f50be1159cf01ce7516a73671
SHA256c3c52bf10979a85d4c86e1006e84b55742634af3d3c571adc663d116183d03cf
SHA51219aa61c00a2a7908da2e285cab91856ace2b4794c83566dcb135fd0ca063ef93a8af41905a0e86d370e985d172228499d0ea45044e1220047db1b414417d5a27
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Filesize
1.8MB
MD50280b00d7cf6a1d0e836f72f5e94c0fb
SHA18f21d39aa6137c758f73c378042dde4001006946
SHA2565494dda0175037320250f0dca19188091efff397b7e3a7f181e449c4c216703c
SHA512072cf3bc6c580035a8f0ae719b03662d762a994138f879d2c6380cd8aff71b1c55731fb99658dec6a23756ad8fbafa7122480a6cd8434788eee6047181b7920e
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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-E2G3J.tmp\b13357793ce217e8d84e66cec4a55dc2331a62979a1915de825053792296bf8c.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4