Resubmissions
16-02-2023 16:32
230216-t2ajxaae87 816-02-2023 15:38
230216-s29tbsaa2s 816-02-2023 15:18
230216-sp1d5aab74 8Analysis
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max time kernel
1565s -
max time network
1593s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
16-02-2023 16:32
Static task
static1
Behavioral task
behavioral1
Sample
mozilla-firefox_30-50r1.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
mozilla-firefox_30-50r1.exe
Resource
win10v2004-20221111-en
General
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Target
mozilla-firefox_30-50r1.exe
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Size
1.7MB
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MD5
99a9fbd5fee72ce51585309390a46717
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SHA1
ff39c56312090a909c2c0c82629c552a3b252a98
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SHA256
833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa
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SHA512
97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7
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SSDEEP
24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
mozilla-firefox_30-50r1.tmpfile_30-50r1.exefile_30-50r1.tmppid process 2192 mozilla-firefox_30-50r1.tmp 372 file_30-50r1.exe 1388 file_30-50r1.tmp -
Loads dropped DLL 3 IoCs
Processes:
file_30-50r1.tmppid process 1388 file_30-50r1.tmp 1388 file_30-50r1.tmp 1388 file_30-50r1.tmp -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 28 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
mozilla-firefox_30-50r1.tmppid process 2192 mozilla-firefox_30-50r1.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
mozilla-firefox_30-50r1.exemozilla-firefox_30-50r1.tmpfile_30-50r1.exedescription pid process target process PID 4604 wrote to memory of 2192 4604 mozilla-firefox_30-50r1.exe mozilla-firefox_30-50r1.tmp PID 4604 wrote to memory of 2192 4604 mozilla-firefox_30-50r1.exe mozilla-firefox_30-50r1.tmp PID 4604 wrote to memory of 2192 4604 mozilla-firefox_30-50r1.exe mozilla-firefox_30-50r1.tmp PID 2192 wrote to memory of 372 2192 mozilla-firefox_30-50r1.tmp file_30-50r1.exe PID 2192 wrote to memory of 372 2192 mozilla-firefox_30-50r1.tmp file_30-50r1.exe PID 2192 wrote to memory of 372 2192 mozilla-firefox_30-50r1.tmp file_30-50r1.exe PID 372 wrote to memory of 1388 372 file_30-50r1.exe file_30-50r1.tmp PID 372 wrote to memory of 1388 372 file_30-50r1.exe file_30-50r1.tmp PID 372 wrote to memory of 1388 372 file_30-50r1.exe file_30-50r1.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\mozilla-firefox_30-50r1.exe"C:\Users\Admin\AppData\Local\Temp\mozilla-firefox_30-50r1.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-F8HE3.tmp\mozilla-firefox_30-50r1.tmp"C:\Users\Admin\AppData\Local\Temp\is-F8HE3.tmp\mozilla-firefox_30-50r1.tmp" /SL5="$60160,831488,831488,C:\Users\Admin\AppData\Local\Temp\mozilla-firefox_30-50r1.exe"2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-G77QU.tmp\file_30-50r1.exe"C:\Users\Admin\AppData\Local\Temp\is-G77QU.tmp\file_30-50r1.exe" /LANG=en /NA=Rh85hR643⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-T2O4Q.tmp\file_30-50r1.tmp"C:\Users\Admin\AppData\Local\Temp\is-T2O4Q.tmp\file_30-50r1.tmp" /SL5="$501F8,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-G77QU.tmp\file_30-50r1.exe" /LANG=en /NA=Rh85hR644⤵
- Executes dropped EXE
- Loads dropped DLL
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\is-8TJFL.tmp\Helper.dllFilesize
2.0MB
MD54eb0347e66fa465f602e52c03e5c0b4b
SHA1fdfedb72614d10766565b7f12ab87f1fdca3ea81
SHA256c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc
SHA5124c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd
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C:\Users\Admin\AppData\Local\Temp\is-8TJFL.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
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C:\Users\Admin\AppData\Local\Temp\is-8TJFL.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
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C:\Users\Admin\AppData\Local\Temp\is-F8HE3.tmp\mozilla-firefox_30-50r1.tmpFilesize
3.0MB
MD50c229cd26910820581b5809c62fe5619
SHA128c0630385b21f29e3e2bcc34865e5d15726eaa0
SHA256abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3
SHA512b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a
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C:\Users\Admin\AppData\Local\Temp\is-G77QU.tmp\file_30-50r1.exeFilesize
2.3MB
MD5cbcbcd31ac56601cea4cb54942b8cca8
SHA124ef94a506b8f802241dbebf84f62b2203fdb61c
SHA2561c58603003545bccf0d4503e6c1a31c074466506946b674eda2566a54a038ecc
SHA5126370a9b5e675cf48942f6af1085e866784dc7d9ec6fb7be606549ecfa9c2cf394344acd4fb0af6c17ca0e580df550138b1cb8bf957dbd51864e29c2cb129fea9
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C:\Users\Admin\AppData\Local\Temp\is-G77QU.tmp\file_30-50r1.exeFilesize
2.3MB
MD5cbcbcd31ac56601cea4cb54942b8cca8
SHA124ef94a506b8f802241dbebf84f62b2203fdb61c
SHA2561c58603003545bccf0d4503e6c1a31c074466506946b674eda2566a54a038ecc
SHA5126370a9b5e675cf48942f6af1085e866784dc7d9ec6fb7be606549ecfa9c2cf394344acd4fb0af6c17ca0e580df550138b1cb8bf957dbd51864e29c2cb129fea9
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C:\Users\Admin\AppData\Local\Temp\is-T2O4Q.tmp\file_30-50r1.tmpFilesize
2.9MB
MD5623a3abd7b318e1f410b1e12a42c7b71
SHA188e34041850ec4019dae469adc608e867b936d21
SHA256fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3
SHA5129afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391
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memory/372-142-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/372-139-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/372-137-0x0000000000000000-mapping.dmp
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memory/372-148-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/372-152-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1388-143-0x0000000000000000-mapping.dmp
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memory/1388-151-0x000000000B620000-0x000000000B62F000-memory.dmpFilesize
60KB
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memory/2192-135-0x0000000000000000-mapping.dmp
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memory/4604-132-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/4604-146-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/4604-147-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/4604-134-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB