Analysis
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max time kernel
104s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2023 22:34
General
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Target
bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe
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Size
235KB
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MD5
bc45f9797f848df442a883f994adad4a
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SHA1
192cc4bc45c4f47147631d04a7fafe418acf7131
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SHA256
bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3
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SHA512
c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031
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SSDEEP
6144:AbxUDsiH4X/Et6xXQ31UrhfSK6uVyWVYN+tGgUO:AbQOXUghSuVyWVG+7
Malware Config
Extracted
amadey
3.65
45.66.230.123/g8kdkeXs2qL/index.php
Signatures
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Executes dropped EXE 3 IoCs
pid Process 876 nbveek.exe 3188 nbveek.exe 4028 nbveek.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation nbveek.exe -
Loads dropped DLL 2 IoCs
pid Process 2804 rundll32.exe 1804 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4236 1804 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 624 schtasks.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 4272 wrote to memory of 876 4272 bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe 79 PID 4272 wrote to memory of 876 4272 bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe 79 PID 4272 wrote to memory of 876 4272 bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe 79 PID 876 wrote to memory of 624 876 nbveek.exe 80 PID 876 wrote to memory of 624 876 nbveek.exe 80 PID 876 wrote to memory of 624 876 nbveek.exe 80 PID 876 wrote to memory of 1656 876 nbveek.exe 82 PID 876 wrote to memory of 1656 876 nbveek.exe 82 PID 876 wrote to memory of 1656 876 nbveek.exe 82 PID 1656 wrote to memory of 2640 1656 cmd.exe 84 PID 1656 wrote to memory of 2640 1656 cmd.exe 84 PID 1656 wrote to memory of 2640 1656 cmd.exe 84 PID 1656 wrote to memory of 1524 1656 cmd.exe 85 PID 1656 wrote to memory of 1524 1656 cmd.exe 85 PID 1656 wrote to memory of 1524 1656 cmd.exe 85 PID 1656 wrote to memory of 1416 1656 cmd.exe 86 PID 1656 wrote to memory of 1416 1656 cmd.exe 86 PID 1656 wrote to memory of 1416 1656 cmd.exe 86 PID 1656 wrote to memory of 2284 1656 cmd.exe 87 PID 1656 wrote to memory of 2284 1656 cmd.exe 87 PID 1656 wrote to memory of 2284 1656 cmd.exe 87 PID 1656 wrote to memory of 2232 1656 cmd.exe 88 PID 1656 wrote to memory of 2232 1656 cmd.exe 88 PID 1656 wrote to memory of 2232 1656 cmd.exe 88 PID 1656 wrote to memory of 3740 1656 cmd.exe 89 PID 1656 wrote to memory of 3740 1656 cmd.exe 89 PID 1656 wrote to memory of 3740 1656 cmd.exe 89 PID 876 wrote to memory of 2804 876 nbveek.exe 96 PID 876 wrote to memory of 2804 876 nbveek.exe 96 PID 876 wrote to memory of 2804 876 nbveek.exe 96 PID 2804 wrote to memory of 1804 2804 rundll32.exe 97 PID 2804 wrote to memory of 1804 2804 rundll32.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe"C:\Users\Admin\AppData\Local\Temp\bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe"C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe" /F3⤵
- Creates scheduled task(s)
PID:624
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "nbveek.exe" /P "Admin:N"&&CACLS "nbveek.exe" /P "Admin:R" /E&&echo Y|CACLS "..\5ca56b659f" /P "Admin:N"&&CACLS "..\5ca56b659f" /P "Admin:R" /E&&Exit3⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵PID:2640
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C:\Windows\SysWOW64\cacls.exeCACLS "nbveek.exe" /P "Admin:N"4⤵PID:1524
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C:\Windows\SysWOW64\cacls.exeCACLS "nbveek.exe" /P "Admin:R" /E4⤵PID:1416
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵PID:2284
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5ca56b659f" /P "Admin:N"4⤵PID:2232
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5ca56b659f" /P "Admin:R" /E4⤵PID:3740
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main4⤵
- Loads dropped DLL
PID:1804 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1804 -s 6885⤵
- Program crash
PID:4236
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C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exeC:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe1⤵
- Executes dropped EXE
PID:3188
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 1804 -ip 18041⤵PID:2720
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C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exeC:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe1⤵
- Executes dropped EXE
PID:4028
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
235KB
MD5bc45f9797f848df442a883f994adad4a
SHA1192cc4bc45c4f47147631d04a7fafe418acf7131
SHA256bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3
SHA512c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031
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Filesize
235KB
MD5bc45f9797f848df442a883f994adad4a
SHA1192cc4bc45c4f47147631d04a7fafe418acf7131
SHA256bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3
SHA512c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031
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Filesize
235KB
MD5bc45f9797f848df442a883f994adad4a
SHA1192cc4bc45c4f47147631d04a7fafe418acf7131
SHA256bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3
SHA512c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031
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Filesize
235KB
MD5bc45f9797f848df442a883f994adad4a
SHA1192cc4bc45c4f47147631d04a7fafe418acf7131
SHA256bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3
SHA512c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031
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Filesize
1.0MB
MD50017009aa184ebbd2d53a323114b0a34
SHA12049b480d74b0a9fe5f813e4ddb13328f930878d
SHA256aafc78dfac130ded368b8a0eb3648d371c2f2332804732e43c8431ddf01033ce
SHA51290434d597fd6d0cc65840a2607d4586d1cd855b42041ac80727b819cb3ada58ee29c2fc9e79ce2a566fd940d4b21acc9dcdc8bdc8b1a86f9bd3eaec80681e244
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Filesize
1.0MB
MD50017009aa184ebbd2d53a323114b0a34
SHA12049b480d74b0a9fe5f813e4ddb13328f930878d
SHA256aafc78dfac130ded368b8a0eb3648d371c2f2332804732e43c8431ddf01033ce
SHA51290434d597fd6d0cc65840a2607d4586d1cd855b42041ac80727b819cb3ada58ee29c2fc9e79ce2a566fd940d4b21acc9dcdc8bdc8b1a86f9bd3eaec80681e244
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Filesize
1.0MB
MD50017009aa184ebbd2d53a323114b0a34
SHA12049b480d74b0a9fe5f813e4ddb13328f930878d
SHA256aafc78dfac130ded368b8a0eb3648d371c2f2332804732e43c8431ddf01033ce
SHA51290434d597fd6d0cc65840a2607d4586d1cd855b42041ac80727b819cb3ada58ee29c2fc9e79ce2a566fd940d4b21acc9dcdc8bdc8b1a86f9bd3eaec80681e244