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Analysis
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max time kernel
41s -
max time network
39s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
09/08/2023, 10:46
Static task
static1
Behavioral task
behavioral1
Sample
persisted_first_party_sets.json
Resource
win7-20230712-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
persisted_first_party_sets.json
Resource
win10v2004-20230703-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
persisted_first_party_sets.json
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Size
2B
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MD5
99914b932bd37a50b983c5e7c90ae93b
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SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
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SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
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SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000_Classes\Local Settings firefox.exe Key created \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000_Classes\Local Settings OpenWith.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1536 OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1448 firefox.exe Token: SeDebugPrivilege 1448 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1448 firefox.exe 1448 firefox.exe 1448 firefox.exe 1448 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1448 firefox.exe 1448 firefox.exe 1448 firefox.exe -
Suspicious use of SetWindowsHookEx 38 IoCs
pid Process 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1536 OpenWith.exe 1448 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1536 wrote to memory of 1928 1536 OpenWith.exe 93 PID 1536 wrote to memory of 1928 1536 OpenWith.exe 93 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1928 wrote to memory of 1448 1928 firefox.exe 95 PID 1448 wrote to memory of 4704 1448 firefox.exe 96 PID 1448 wrote to memory of 4704 1448 firefox.exe 96 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 1260 1448 firefox.exe 97 PID 1448 wrote to memory of 3600 1448 firefox.exe 98
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\persisted_first_party_sets.json1⤵
- Modifies registry class
PID:1404
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\persisted_first_party_sets.json"2⤵
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\persisted_first_party_sets.json3⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.0.1288668110\482413204" -parentBuildID 20221007134813 -prefsHandle 1880 -prefMapHandle 1872 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {08307b36-2b9b-4087-9c83-8e03a2b9e81f} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 1972 18fc2805358 gpu4⤵PID:4704
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.1.1090956102\936712288" -parentBuildID 20221007134813 -prefsHandle 2372 -prefMapHandle 2368 -prefsLen 21754 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3d172854-0bec-41e7-bf9c-893a45c5e0a4} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 2400 18fc14f3e58 socket4⤵PID:1260
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.2.909302620\286942634" -childID 1 -isForBrowser -prefsHandle 2860 -prefMapHandle 3012 -prefsLen 21792 -prefMapSize 232675 -jsInitHandle 1208 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fe5f5630-b912-499d-ac9d-d21967331493} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 3260 18fc58fb858 tab4⤵PID:3600
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.3.806655074\419741460" -childID 2 -isForBrowser -prefsHandle 3576 -prefMapHandle 3572 -prefsLen 26437 -prefMapSize 232675 -jsInitHandle 1208 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {bea37a1b-a37c-4f2a-9ab1-9b562be9c24c} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 3584 18fb4d69058 tab4⤵PID:1880
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.4.934916156\1384116999" -childID 3 -isForBrowser -prefsHandle 5020 -prefMapHandle 5024 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1208 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ff2e7df5-1134-4bd8-a957-20e2ee7a4277} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 5004 18fb4d5dc58 tab4⤵PID:5072
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.6.1930336033\738791122" -childID 5 -isForBrowser -prefsHandle 5172 -prefMapHandle 5048 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1208 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5bbec190-1d71-4892-a82b-4aba0bb63556} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 5276 18fc8122b58 tab4⤵PID:4952
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1448.5.1204490890\1418834998" -childID 4 -isForBrowser -prefsHandle 5064 -prefMapHandle 4960 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1208 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8ea0e1c6-949a-4a10-a694-53d28e9250d8} 1448 "\\.\pipe\gecko-crash-server-pipe.1448" 5048 18fc8121c58 tab4⤵PID:4376
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\activity-stream.discovery_stream.json.tmp
Filesize157KB
MD5ee1657a44bf314e377a0ac372c8989d0
SHA1fd9af066cf14f6798d0e0343847cd5247f6f4779
SHA25638b4fc690aa5374cc1db9255b2763b62b8c3fce1f701430981282f7cb7857a70
SHA51236c11abeccad89e78602ba57f5e8524d3082301e20bc49801a11e74a9730804601aa1d2f26ea64675cc127de337536126b17c2c954a0a4d2877bf15415468205