Overview
overview
10Static
static
3000.exe
windows7-x64
000.exe
windows10-2004-x64
Ana.exe
windows7-x64
8Ana.exe
windows10-2004-x64
8Bad Rabit.exe
windows7-x64
10Bad Rabit.exe
windows10-2004-x64
10Desktop Puzzle.exe
windows7-x64
1Desktop Puzzle.exe
windows10-2004-x64
1Memz.exe
windows7-x64
6Memz.exe
windows10-2004-x64
7NoEscape.exe
windows7-x64
1NoEscape.exe
windows10-2004-x64
WannaCrypt0r.exe
windows7-x64
10WannaCrypt0r.exe
windows10-2004-x64
10Resubmissions
08-06-2024 08:50
240608-krvyesae91 1008-05-2024 16:15
240508-tqnx6ach3w 1008-05-2024 16:07
240508-tkr3mafa54 1001-05-2024 18:02
240501-wmf49acg3s 627-04-2024 08:46
240427-kpfeysff8s 1025-04-2024 21:25
240425-z9y55afb7v 1025-04-2024 21:16
240425-z4pphafa97 1025-04-2024 18:27
240425-w3929sde33 1025-04-2024 18:17
240425-ww4a5sdc8x 10Analysis
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max time kernel
37s -
max time network
42s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 18:01
Static task
static1
Behavioral task
behavioral1
Sample
000.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
000.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
Ana.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
Ana.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
Bad Rabit.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Bad Rabit.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral7
Sample
Desktop Puzzle.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Desktop Puzzle.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
Memz.exe
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
Memz.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral11
Sample
NoEscape.exe
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
NoEscape.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
WannaCrypt0r.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
WannaCrypt0r.exe
Resource
win10v2004-20240412-en
General
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Target
Ana.exe
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Size
2.1MB
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MD5
f571faca510bffe809c76c1828d44523
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SHA1
7a3ca1660f0a513316b8cd5496ac7dbe82f0e0c2
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SHA256
117d7af0deb40b3fe532bb6cbe374884fa55ed7cfe053fe698720cdccb5a59cb
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SHA512
a08bca2fb1387cc70b737520d566c7117aa3fdb9a52f5dbb0bb7be44630da7977882d8c808cbee843c8a180777b4ac5819e8bafda6b2c883e380dc7fb5358a51
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SSDEEP
49152:OwVYlfBUDiZx8Fa/Q0NuB3btlnCItWNSwoy:OxPUDQmso0NuBZlnCItM
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
DB.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run DB.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\AEYEGNPWJH = "C:\\Windows\\SysWOW64\\themeuie.exe" DB.EXE -
Drops file in Drivers directory 1 IoCs
Processes:
themeuie.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts themeuie.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
DB.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DB.EXE -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Ana.exeEN.EXEthemeuie.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation Ana.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation EN.EXE Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation themeuie.exe -
Executes dropped EXE 7 IoCs
Processes:
AV.EXEAV2.EXEDB.EXEEN.EXESB.EXEthemeuie.execB17766LeBfF17766.exepid process 3132 AV.EXE 3788 AV2.EXE 1832 DB.EXE 220 EN.EXE 2928 SB.EXE 1112 themeuie.exe 1556 cB17766LeBfF17766.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\DB.EXE upx behavioral4/memory/1832-33-0x0000000000400000-0x0000000000445000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\EN.EXE upx behavioral4/memory/220-41-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral4/memory/1832-56-0x00000000006A0000-0x0000000000733000-memory.dmp upx behavioral4/memory/1832-59-0x00000000006A0000-0x0000000000733000-memory.dmp upx behavioral4/memory/1832-61-0x00000000006A0000-0x0000000000733000-memory.dmp upx behavioral4/memory/1832-69-0x00000000006A0000-0x0000000000733000-memory.dmp upx behavioral4/memory/3788-73-0x0000000000400000-0x00000000004C3000-memory.dmp upx behavioral4/memory/1832-74-0x0000000000400000-0x0000000000445000-memory.dmp upx behavioral4/memory/220-75-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral4/memory/3788-77-0x0000000000400000-0x00000000004C3000-memory.dmp upx behavioral4/memory/1832-157-0x00000000006A0000-0x0000000000733000-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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Processes:
DB.EXEdescription 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.
Processes:
SB.EXEdescription ioc process File opened for modification \??\physicaldrive0 SB.EXE -
Drops file in System32 directory 2 IoCs
Processes:
DB.EXEdescription ioc process File created C:\Windows\SysWOW64\themeuie.exe DB.EXE File opened for modification C:\Windows\SysWOW64\themeuie.exe DB.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 2036 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 42 IoCs
Processes:
DB.EXEAV2.EXEpid process 1832 DB.EXE 1832 DB.EXE 1832 DB.EXE 1832 DB.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE 3788 AV2.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
DB.EXEAV2.EXEEN.EXESB.EXEdescription pid process Token: SeDebugPrivilege 1832 DB.EXE Token: SeDebugPrivilege 3788 AV2.EXE Token: SeIncBasePriorityPrivilege 220 EN.EXE Token: SeShutdownPrivilege 2928 SB.EXE -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
themeuie.exepid process 1112 themeuie.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
Ana.exeDB.EXEEN.EXEthemeuie.exedescription pid process target process PID 2356 wrote to memory of 3132 2356 Ana.exe AV.EXE PID 2356 wrote to memory of 3132 2356 Ana.exe AV.EXE PID 2356 wrote to memory of 3132 2356 Ana.exe AV.EXE PID 2356 wrote to memory of 3788 2356 Ana.exe AV2.EXE PID 2356 wrote to memory of 3788 2356 Ana.exe AV2.EXE PID 2356 wrote to memory of 3788 2356 Ana.exe AV2.EXE PID 2356 wrote to memory of 1832 2356 Ana.exe DB.EXE PID 2356 wrote to memory of 1832 2356 Ana.exe DB.EXE PID 2356 wrote to memory of 1832 2356 Ana.exe DB.EXE PID 2356 wrote to memory of 220 2356 Ana.exe EN.EXE PID 2356 wrote to memory of 220 2356 Ana.exe EN.EXE PID 2356 wrote to memory of 220 2356 Ana.exe EN.EXE PID 2356 wrote to memory of 2928 2356 Ana.exe SB.EXE PID 2356 wrote to memory of 2928 2356 Ana.exe SB.EXE PID 2356 wrote to memory of 2928 2356 Ana.exe SB.EXE PID 1832 wrote to memory of 1112 1832 DB.EXE themeuie.exe PID 1832 wrote to memory of 1112 1832 DB.EXE themeuie.exe PID 1832 wrote to memory of 1112 1832 DB.EXE themeuie.exe PID 220 wrote to memory of 1908 220 EN.EXE cmd.exe PID 220 wrote to memory of 1908 220 EN.EXE cmd.exe PID 220 wrote to memory of 1908 220 EN.EXE cmd.exe PID 1832 wrote to memory of 2400 1832 DB.EXE cmd.exe PID 1832 wrote to memory of 2400 1832 DB.EXE cmd.exe PID 1832 wrote to memory of 2400 1832 DB.EXE cmd.exe PID 1112 wrote to memory of 2036 1112 themeuie.exe ipconfig.exe PID 1112 wrote to memory of 2036 1112 themeuie.exe ipconfig.exe PID 1112 wrote to memory of 2036 1112 themeuie.exe ipconfig.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Ana.exe"C:\Users\Admin\AppData\Local\Temp\Ana.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\AV.EXE"C:\Users\Admin\AppData\Local\Temp\AV.EXE"2⤵
- Executes dropped EXE
PID:3132 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 9483⤵PID:1892
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C:\Users\Admin\AppData\Local\Temp\AV2.EXE"C:\Users\Admin\AppData\Local\Temp\AV2.EXE"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3788 -
C:\cB17766LeBfF17766\cB17766LeBfF17766.exe"\cB17766LeBfF17766\cB17766LeBfF17766.exe" "C:\Users\Admin\AppData\Local\Temp\AV2.EXE"3⤵
- Executes dropped EXE
PID:1556
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C:\Users\Admin\AppData\Local\Temp\DB.EXE"C:\Users\Admin\AppData\Local\Temp\DB.EXE"2⤵
- Adds policy Run key to start application
- 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
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\themeuie.exeC:\Windows\SysWOW64\themeuie.exe3⤵
- Drops file in Drivers directory
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\system32\ipconfig.exe" /flushdns4⤵
- Gathers network information
PID:2036
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C:\Windows\SysWOW64\cmd.exe/c C:\Users\Admin\AppData\Local\Temp\~unins7046.bat "C:\Users\Admin\AppData\Local\Temp\DB.EXE"3⤵PID:2400
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C:\Users\Admin\AppData\Local\Temp\EN.EXE"C:\Users\Admin\AppData\Local\Temp\EN.EXE"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EN.EXE > nul3⤵PID:1908
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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:2928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3788 -ip 37881⤵PID:792
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
149KB
MD5fe731b4c6684d643eb5b55613ef9ed31
SHA1cfafe2a14f5413278304920154eb467f7c103c80
SHA256e7953daad7a68f8634ded31a21a31f0c2aa394ca9232e2f980321f7b69176496
SHA512f7756d69138df6d3b0ffa47bdf274e5fd8aab4fff9d68abe403728c8497ac58e0f3d28d41710de715f57b7a2b5daa2dd7e04450f19c6d013a08f543bd6fc9c2e
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Filesize
224KB
MD59252e1be9776af202d6ad5c093637022
SHA16cc686d837cd633d9c2e8bc1eaba5fc364bf71d8
SHA256ce822ff86e584f15b6abd14c61453bd3b481d4ec3fdeb961787fceb52acd8bd6
SHA51298b1b3ce4d16d36f738478c6cf41e8f4a57d3a5ecfa8999d45592f79a469d8af8554bf4d5db34cb79cec71ce103f4fde1b41bd3cce30714f803e432e53da71ea
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Filesize
1010B
MD56e630504be525e953debd0ce831b9aa0
SHA1edfa47b3edf98af94954b5b0850286a324608503
SHA2562563fe2f793f119a1bae5cca6eab9d8c20409aa1f1e0db341c623e1251244ef5
SHA512bbcf285309a4d5605e19513c77ef077a4c451cbef04e3cbdfec6d15cc157a9800a7ff6f70964b0452ddb939ff50766e887904eda06a9999fdedf5b2e8776ebd2
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Filesize
49B
MD59e0a2f5ab30517809b95a1ff1dd98c53
SHA15c1eefdf10e67d1e9216e2e3f5e92352d583c9ce
SHA25697ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32
SHA512e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42
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Filesize
101KB
MD5415c7e7096e9148f2cf263fbb1044a43
SHA1563550cbfb40231906780d719653cea6834c1ceb
SHA25625b2281fc42d6d572bf3737708ffbf7638c35455a8b21b3c5b0dda23ce667760
SHA512940a754c35fab2a18ca1f4d0d6497d2bb241289d10ecb03b48c1074d55cf1f44e7497639323ebaaba7b8dbd4740f78143f91ed5492b777e41379aa13df465a6a
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Filesize
368KB
MD506c788f240b22bd617a3ef8bf082566d
SHA162e62ff73f2b83258ecfb7d7c2841d674894cd4e
SHA256b0c750ea8630e7a54e93ff364371d38ff030630c5458ca9600863f82816af0e6
SHA5120a96f50b05d8acd9391bbc5c28f4050714cb68c5ca54c9b7adab9dae4f883b4099b4a513771e619da3afd25f65f351598bb722af2f536c097caa794ef1e4b982