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Analysis
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max time kernel
151s -
max time network
147s -
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, 13:05
Static task
static1
Behavioral task
behavioral1
Sample
13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe
Resource
win10v2004-20231127-en
General
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Target
13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe
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Size
6.9MB
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MD5
f736856c511a45f3d1eb860d7fcc9298
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SHA1
d8fa070012d081db4077b26eb308304aa34ed2d8
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SHA256
13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589
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SHA512
af362784303df456ec0405aebb929e196dfce4baa840887951b85ec192af1b8412865ac1841617a9173959dae84b8103c530af7fa393f4ca3aed0341448ef7be
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SSDEEP
196608:AxOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:DjkHxfKTnJjzKkRtF9zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 1964 wmaconvert.exe 5088 wmaconvert.exe -
Loads dropped DLL 3 IoCs
pid Process 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.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)\ConvertWMA\bin\x86\is-2CL7Q.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-TT8V3.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-R5K55.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-MGVR5.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-9EQCN.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\is-AJ7PJ.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-C6EKR.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\plugins\internal\is-AKVV3.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-74JB0.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-43637.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-J1RVH.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-4SS4M.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-RD680.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-1T7NP.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-3OT0B.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-QN5S2.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-4DT8S.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-06HVC.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-GRC81.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-8OMKH.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-N25KK.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-AHG99.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-E605N.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-37OC0.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-LD1UP.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-JLJLN.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-JUNII.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-NK3BK.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-7C66N.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-2HC82.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-IPD0F.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-71LNL.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-LKI94.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-IB2JC.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File opened for modification C:\Program Files (x86)\ConvertWMA\uninstall\unins000.dat 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File opened for modification C:\Program Files (x86)\ConvertWMA\wmaconvert.exe 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\uninstall\is-U5GC6.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-2OJ0G.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-72349.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-OTAQV.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\lessmsi\is-1QAAN.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-2ROJ7.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-0UBVU.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-6VI51.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-TICUF.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-OBG2C.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-JR957.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-G9G4T.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-5ALVR.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-TETSV.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-23RC1.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-HFT6C.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-F3O3U.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-QST5R.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-7A08P.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-5GA3D.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-LT96P.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-6AEH4.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-AUN4B.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\plugins\internal\is-36ULF.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-A8BUB.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\uninstall\unins000.dat 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-RAEHK.tmp 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2688 wrote to memory of 3516 2688 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe 88 PID 2688 wrote to memory of 3516 2688 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe 88 PID 2688 wrote to memory of 3516 2688 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe 88 PID 3516 wrote to memory of 2204 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 92 PID 3516 wrote to memory of 2204 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 92 PID 3516 wrote to memory of 2204 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 92 PID 3516 wrote to memory of 1964 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 93 PID 3516 wrote to memory of 1964 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 93 PID 3516 wrote to memory of 1964 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 93 PID 3516 wrote to memory of 440 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 95 PID 3516 wrote to memory of 440 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 95 PID 3516 wrote to memory of 440 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 95 PID 3516 wrote to memory of 5088 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 96 PID 3516 wrote to memory of 5088 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 96 PID 3516 wrote to memory of 5088 3516 13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp 96 PID 440 wrote to memory of 4680 440 net.exe 98 PID 440 wrote to memory of 4680 440 net.exe 98 PID 440 wrote to memory of 4680 440 net.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe"C:\Users\Admin\AppData\Local\Temp\13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\Temp\is-R2HA4.tmp\13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp"C:\Users\Admin\AppData\Local\Temp\is-R2HA4.tmp\13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp" /SL5="$80044,6950053,68096,C:\Users\Admin\AppData\Local\Temp\13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:2204
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
PID:1964
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:4680
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
PID:5088
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD531a67cb10577d20a96937eec6a9b99bd
SHA1a861888ce00888370a85dc2c7925fb4178aa7a2c
SHA2563db1a59d28b184bacc5ac11a362e5c5293118f5bc7948d51def377474def7ff4
SHA5120ca7b34bdee6a0a12feed7be7bf11cca882233353ae382d221a856007d3a396e73d95f230eab7fb2e1e4e361caee8c6b09cf9a3dd5007b732869f8f63f2b8839
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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-R2HA4.tmp\13628a643cba447b05b1aeca92a5dfe6473151823e48c9e8392c518c9b65a589.tmp
Filesize687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4