Analysis
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max time kernel
168s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2024 10:08
Static task
static1
Behavioral task
behavioral1
Sample
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe
Resource
win10v2004-20240226-en
General
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Target
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe
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Size
787KB
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MD5
481be8166b475e08c6fe7f377a8d8a2d
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SHA1
267259b38951597f51efbe482a78df324f11d093
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SHA256
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56
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SHA512
0a4616e3a7132020b2ea6bd582f9860fac5b5fdc9dc174e75cf27280419dc335ef356c936612ba64be41f7021d3c14845bfc0cb54406a36a47ed70713ed486af
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SSDEEP
12288:JiLCjBTgfnsFhPhNVV60QbFXl7iV+gXj7NUt1upQ1laJsUkqo:J1tTgPsHHVpQbF8V++VUt15MBo
Malware Config
Signatures
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Avaddon
Ransomware-as-a-service first released in June 2020 and currently expanding its userbase among criminal actors.
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Avaddon payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3664-2-0x0000000001E40000-0x0000000001F5A000-memory.dmp family_avaddon behavioral2/memory/3664-3-0x0000000000400000-0x0000000001B2F000-memory.dmp family_avaddon behavioral2/memory/3664-4-0x0000000000400000-0x0000000001B2F000-memory.dmp family_avaddon behavioral2/memory/3664-8-0x0000000001E40000-0x0000000001F5A000-memory.dmp family_avaddon -
Processes:
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe -
Processes:
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 49 api.myip.com 51 api.myip.com -
Program crash 9 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 3144 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 940 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 4956 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 3492 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 8 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 2556 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 2932 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 4260 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe 2372 3664 WerFault.exe 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe"C:\Users\Admin\AppData\Local\Temp\93f3b587a2a8e5515dc08ee47eef4d02805e5fccefde4a29e780946124257a56.exe"1⤵
- UAC bypass
- Checks whether UAC is enabled
- System policy modification
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 8762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 8842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 9282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 9722⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 9802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 12802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 13882⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 15482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 16042⤵
- Program crash
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3992 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3664 -ip 36641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 3664 -ip 36641⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/3664-1-0x0000000001D40000-0x0000000001E40000-memory.dmpFilesize
1024KB
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memory/3664-2-0x0000000001E40000-0x0000000001F5A000-memory.dmpFilesize
1.1MB
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memory/3664-3-0x0000000000400000-0x0000000001B2F000-memory.dmpFilesize
23.2MB
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memory/3664-4-0x0000000000400000-0x0000000001B2F000-memory.dmpFilesize
23.2MB
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memory/3664-6-0x0000000001D40000-0x0000000001E40000-memory.dmpFilesize
1024KB
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memory/3664-8-0x0000000001E40000-0x0000000001F5A000-memory.dmpFilesize
1.1MB