Overview
overview
10Static
static
7Fake AV/An...09.exe
windows7-x64
7Fake AV/An...09.exe
windows10-2004-x64
7Fake AV/Ana.exe
windows7-x64
8Fake AV/Ana.exe
windows10-2004-x64
7Fake AV/Antivirus.exe
windows7-x64
7Fake AV/Antivirus.exe
windows10-2004-x64
7Fake AV/An...10.exe
windows7-x64
10Fake AV/An...10.exe
windows10-2004-x64
7Fake AV/An...um.exe
windows7-x64
10Fake AV/An...um.exe
windows10-2004-x64
10Fake AV/An...17.exe
windows7-x64
7Fake AV/An...17.exe
windows10-2004-x64
7Fake AV/CleanThis.exe
windows7-x64
Fake AV/CleanThis.exe
windows10-2004-x64
Fake AV/Fa...er.exe
windows7-x64
7Fake AV/Fa...er.exe
windows10-2004-x64
76AdwCleaner.exe
windows7-x64
66AdwCleaner.exe
windows10-2004-x64
6Fake AV/Fi...ll.exe
windows7-x64
7Fake AV/Fi...ll.exe
windows10-2004-x64
7Fake AV/Ha...us.exe
windows7-x64
1Fake AV/Ha...us.exe
windows10-2004-x64
1Fake AV/In...rd.exe
windows7-x64
10Fake AV/In...rd.exe
windows10-2004-x64
9Fake AV/LPS2019.exe
windows7-x64
7Fake AV/LPS2019.exe
windows10-2004-x64
7Fake AV/Mo...eg.exe
windows7-x64
7Fake AV/Mo...eg.exe
windows10-2004-x64
3Fake AV/Na...ld.exe
windows7-x64
7Fake AV/Na...ld.exe
windows10-2004-x64
7Fake AV/PC...er.exe
windows7-x64
10Fake AV/PC...er.exe
windows10-2004-x64
10Analysis
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max time kernel
32s -
max time network
39s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2024, 22:34
Behavioral task
behavioral1
Sample
Fake AV/AnViPC2009.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Fake AV/AnViPC2009.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Fake AV/Ana.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Fake AV/Ana.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
Fake AV/Antivirus.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Fake AV/Antivirus.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
Fake AV/Antivirus2010.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Fake AV/Antivirus2010.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
Fake AV/AntivirusPlatinum.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
Fake AV/AntivirusPlatinum.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
Fake AV/AntivirusPro2017.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
Fake AV/AntivirusPro2017.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
Fake AV/CleanThis.exe
Resource
win7-20240220-en
Behavioral task
behavioral14
Sample
Fake AV/CleanThis.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
Fake AV/FakeAdwCleaner.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
Fake AV/FakeAdwCleaner.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
6AdwCleaner.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
6AdwCleaner.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
Fake AV/FileFixPro/FFProInstall.exe
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
Fake AV/FileFixPro/FFProInstall.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
Fake AV/HappyAntivirus.exe
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
Fake AV/HappyAntivirus.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
Fake AV/InternetSecurityGuard.exe
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
Fake AV/InternetSecurityGuard.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
Fake AV/LPS2019.exe
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
Fake AV/LPS2019.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
Fake AV/Movie.mpeg.exe
Resource
win7-20240215-en
Behavioral task
behavioral28
Sample
Fake AV/Movie.mpeg.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
Fake AV/NavaShield.exe
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
Fake AV/NavaShield.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
Fake AV/PCDefender.exe
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
Fake AV/PCDefender.exe
Resource
win10v2004-20240226-en
General
-
Target
Fake AV/Ana.exe
-
Size
2.1MB
-
MD5
f571faca510bffe809c76c1828d44523
-
SHA1
7a3ca1660f0a513316b8cd5496ac7dbe82f0e0c2
-
SHA256
117d7af0deb40b3fe532bb6cbe374884fa55ed7cfe053fe698720cdccb5a59cb
-
SHA512
a08bca2fb1387cc70b737520d566c7117aa3fdb9a52f5dbb0bb7be44630da7977882d8c808cbee843c8a180777b4ac5819e8bafda6b2c883e380dc7fb5358a51
-
SSDEEP
49152:OwVYlfBUDiZx8Fa/Q0NuB3btlnCItWNSwoy:OxPUDQmso0NuBZlnCItM
Malware Config
Signatures
-
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DB.EXE -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation Ana.exe -
Executes dropped EXE 5 IoCs
pid Process 4380 AV.EXE 4764 AV2.EXE 4940 DB.EXE 1100 EN.EXE 668 SB.EXE -
resource yara_rule behavioral4/files/0x000700000002323e-23.dat upx behavioral4/memory/4940-31-0x0000000000400000-0x0000000000445000-memory.dmp upx behavioral4/files/0x000700000002323f-44.dat upx behavioral4/memory/4940-48-0x0000000000590000-0x0000000000623000-memory.dmp upx behavioral4/memory/1100-51-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral4/memory/4940-60-0x0000000000590000-0x0000000000623000-memory.dmp upx behavioral4/memory/4940-61-0x0000000000590000-0x0000000000623000-memory.dmp upx behavioral4/memory/4940-67-0x0000000000590000-0x0000000000623000-memory.dmp upx behavioral4/memory/1100-74-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral4/memory/4764-90-0x0000000000400000-0x00000000004C3000-memory.dmp upx behavioral4/memory/4940-92-0x0000000000590000-0x0000000000623000-memory.dmp upx -
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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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DB.EXE -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\physicaldrive0 SB.EXE -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\authzi.exe DB.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\30530A0C86EDB1CD5A2A5FE37EF3BF28E69BE16D AV.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\30530A0C86EDB1CD5A2A5FE37EF3BF28E69BE16D\Blob = 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 AV.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4940 DB.EXE 4940 DB.EXE 4940 DB.EXE 4940 DB.EXE -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4940 DB.EXE Token: SeShutdownPrivilege 668 SB.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4168 wrote to memory of 4380 4168 Ana.exe 89 PID 4168 wrote to memory of 4380 4168 Ana.exe 89 PID 4168 wrote to memory of 4380 4168 Ana.exe 89 PID 4168 wrote to memory of 4764 4168 Ana.exe 90 PID 4168 wrote to memory of 4764 4168 Ana.exe 90 PID 4168 wrote to memory of 4764 4168 Ana.exe 90 PID 4168 wrote to memory of 4940 4168 Ana.exe 91 PID 4168 wrote to memory of 4940 4168 Ana.exe 91 PID 4168 wrote to memory of 4940 4168 Ana.exe 91 PID 4168 wrote to memory of 1100 4168 Ana.exe 92 PID 4168 wrote to memory of 1100 4168 Ana.exe 92 PID 4168 wrote to memory of 1100 4168 Ana.exe 92 PID 4168 wrote to memory of 668 4168 Ana.exe 93 PID 4168 wrote to memory of 668 4168 Ana.exe 93 PID 4168 wrote to memory of 668 4168 Ana.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\Fake AV\Ana.exe"C:\Users\Admin\AppData\Local\Temp\Fake AV\Ana.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Users\Admin\AppData\Local\Temp\AV.EXE"C:\Users\Admin\AppData\Local\Temp\AV.EXE"2⤵
- Executes dropped EXE
- Modifies system certificate store
PID:4380
-
-
C:\Users\Admin\AppData\Local\Temp\AV2.EXE"C:\Users\Admin\AppData\Local\Temp\AV2.EXE"2⤵
- Executes dropped EXE
PID:4764
-
-
C:\Users\Admin\AppData\Local\Temp\DB.EXE"C:\Users\Admin\AppData\Local\Temp\DB.EXE"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4940 -
C:\Windows\SysWOW64\cmd.exe/c C:\Users\Admin\AppData\Local\Temp\~unins9125.bat "C:\Users\Admin\AppData\Local\Temp\DB.EXE"3⤵PID:4864
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-
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C:\Users\Admin\AppData\Local\Temp\EN.EXE"C:\Users\Admin\AppData\Local\Temp\EN.EXE"2⤵
- Executes dropped EXE
PID:1100
-
-
C:\Users\Admin\AppData\Local\Temp\SB.EXE"C:\Users\Admin\AppData\Local\Temp\SB.EXE"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:668
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
556KB
MD5eb5969d607ba3ad6184210472583cc12
SHA105fb52c38d2f5152c90a579f1aab317fcab5c570
SHA2562c54a179e28325875bbb092ea3519868462210cecf22726e460a8c9d2ef1695c
SHA512e6ccd02c2115863d95178e7c65018ab986d616f4cc96a5de143b8274af1dfbc336581836c3d1572edbe2d460c1addb18709466a190c31249b5172cdf60f79110
-
Filesize
1.1MB
MD5f284568010505119f479617a2e7dc189
SHA1e23707625cce0035e3c1d2255af1ed326583a1ea
SHA25626c8f13ea8dc17443a9fa005610537cb6700aebaf748e747e9278d504e416eb1
SHA512ebe96e667dfde547c5a450b97cd7534b977f4073c7f4cbc123a0e00baaefeb3be725c1cafbfb5bb040b3359267954cd1b4e2094ef71fc273732016ee822064bf
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Filesize
368KB
MD5014578edb7da99e5ba8dd84f5d26dfd5
SHA1df56d701165a480e925a153856cbc3ab799c5a04
SHA2564ce5e8b510895abb204f97e883d8cbaacc29ccef0844d9ae81f8666f234b0529
SHA512bd5159af96d83fc7528956c5b1bd6f93847db18faa0680c6041f87bbebef5e3ba2de1f185d77ff28b8d7d78ec4f7bd54f48b37a16da39f43314ef022b4a36068
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Filesize
243KB
MD5c6746a62feafcb4fca301f606f7101fa
SHA1e09cd1382f9ceec027083b40e35f5f3d184e485f
SHA256b5a255d0454853c8afc0b321e1d86dca22c3dbefb88e5d385d2d72f9bc0109e6
SHA512ee5dfa08c86bf1524666f0851c729970dbf0b397db9595a2bae01516299344edb68123e976592a83e492f2982fafe8d350ba2d41368eb4ecf4e6fe12af8f5642
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Filesize
6KB
MD5621f2279f69686e8547e476b642b6c46
SHA166f486cd566f86ab16015fe74f50d4515decce88
SHA256c17a18cf2c243303b8a6688aad83b3e6e9b727fcd89f69065785ef7f1a2a3e38
SHA512068402b02f1056b722f21b0a354b038f094d02e4a066b332553cd6b36e3640e8f35aa0499a2b057c566718c3593d3cea6bbabd961e04f0a001fd45d8be8e1c4e
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Filesize
1010B
MD56e630504be525e953debd0ce831b9aa0
SHA1edfa47b3edf98af94954b5b0850286a324608503
SHA2562563fe2f793f119a1bae5cca6eab9d8c20409aa1f1e0db341c623e1251244ef5
SHA512bbcf285309a4d5605e19513c77ef077a4c451cbef04e3cbdfec6d15cc157a9800a7ff6f70964b0452ddb939ff50766e887904eda06a9999fdedf5b2e8776ebd2
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Filesize
149KB
MD5fe731b4c6684d643eb5b55613ef9ed31
SHA1cfafe2a14f5413278304920154eb467f7c103c80
SHA256e7953daad7a68f8634ded31a21a31f0c2aa394ca9232e2f980321f7b69176496
SHA512f7756d69138df6d3b0ffa47bdf274e5fd8aab4fff9d68abe403728c8497ac58e0f3d28d41710de715f57b7a2b5daa2dd7e04450f19c6d013a08f543bd6fc9c2e
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Filesize
224KB
MD59252e1be9776af202d6ad5c093637022
SHA16cc686d837cd633d9c2e8bc1eaba5fc364bf71d8
SHA256ce822ff86e584f15b6abd14c61453bd3b481d4ec3fdeb961787fceb52acd8bd6
SHA51298b1b3ce4d16d36f738478c6cf41e8f4a57d3a5ecfa8999d45592f79a469d8af8554bf4d5db34cb79cec71ce103f4fde1b41bd3cce30714f803e432e53da71ea