Analysis
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max time kernel
151s -
max time network
212s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 15:54
Static task
static1
Behavioral task
behavioral1
Sample
14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe
Resource
win10v2004-20221111-en
General
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Target
14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe
-
Size
177KB
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MD5
356e76b8c5593e92b563b4938d8ee05b
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SHA1
3161947d5bfbdab4890aa21ff7cd894ab38f419d
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SHA256
14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1
-
SHA512
5133b710e8754500be76057db85f95db68e7c340d618430ea8ff493d8b323b66a34be6680311dde683f47b7ca86dac956ea6c8a224359e547ad40bbf67589b79
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SSDEEP
3072:o5oPSustO686MqF74XonUokrT5LBfArjKhF1A7D9bi+N:H41D4Zok514HGC9TN
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
Processes:
tazebama.dl_description ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" tazebama.dl_ -
Executes dropped EXE 1 IoCs
Processes:
tazebama.dl_pid process 1140 tazebama.dl_ -
Loads dropped DLL 1 IoCs
Processes:
14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exepid process 1520 14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
tazebama.dl_description ioc process Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run tazebama.dl_ -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
tazebama.dl_description ioc process File opened (read-only) \??\S: tazebama.dl_ File opened (read-only) \??\H: tazebama.dl_ File opened (read-only) \??\Z: tazebama.dl_ File opened (read-only) \??\X: tazebama.dl_ File opened (read-only) \??\W: tazebama.dl_ File opened (read-only) \??\V: tazebama.dl_ File opened (read-only) \??\U: tazebama.dl_ File opened (read-only) \??\E: tazebama.dl_ File opened (read-only) \??\T: tazebama.dl_ File opened (read-only) \??\P: tazebama.dl_ File opened (read-only) \??\O: tazebama.dl_ File opened (read-only) \??\L: tazebama.dl_ File opened (read-only) \??\I: tazebama.dl_ File opened (read-only) \??\F: tazebama.dl_ File opened (read-only) \??\Q: tazebama.dl_ File opened (read-only) \??\N: tazebama.dl_ File opened (read-only) \??\K: tazebama.dl_ File opened (read-only) \??\J: tazebama.dl_ File opened (read-only) \??\G: tazebama.dl_ File opened (read-only) \??\Y: tazebama.dl_ File opened (read-only) \??\R: tazebama.dl_ File opened (read-only) \??\M: tazebama.dl_ -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
tazebama.dl_description ioc process File opened for modification C:\autorun.inf tazebama.dl_ File opened for modification C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf tazebama.dl_ -
Drops file in Program Files directory 1 IoCs
Processes:
tazebama.dl_description ioc process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE tazebama.dl_ -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1492 1140 WerFault.exe tazebama.dl_ -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
tazebama.dl_pid process 1140 tazebama.dl_ 1140 tazebama.dl_ -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exedescription pid process target process PID 1520 wrote to memory of 1140 1520 14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe tazebama.dl_ PID 1520 wrote to memory of 1140 1520 14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe tazebama.dl_ PID 1520 wrote to memory of 1140 1520 14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe tazebama.dl_
Processes
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C:\Users\Admin\AppData\Local\Temp\14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe"C:\Users\Admin\AppData\Local\Temp\14380587d38d14df287f13e5178d5de85f7c347d3650070b9590d4203b7dd6e1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Documents and Settings\tazebama.dl_"C:\Documents and Settings\tazebama.dl_"2⤵
- Modifies visibility of file extensions in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1140 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 7323⤵
- Program crash
PID:1492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1140 -ip 11401⤵PID:4492
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
151KB
MD5ca882c9f3bb85d0e8f86d124cdc4bac1
SHA1628ad889d65c4ba8176254a2a1377d57b638e88c
SHA2568625bb99eb97fc8b8a1b585414ed1b83a77011336c3fc9e24f0fa2317b3b0395
SHA5120fe504fcae22139090489ede62692236b3835aab56ae681514ab163e85f8092adcefe9c137d19807f7634161ae5e75338febdef1b27f69382c76cbfc6bd5173c
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Filesize
151KB
MD5ca882c9f3bb85d0e8f86d124cdc4bac1
SHA1628ad889d65c4ba8176254a2a1377d57b638e88c
SHA2568625bb99eb97fc8b8a1b585414ed1b83a77011336c3fc9e24f0fa2317b3b0395
SHA5120fe504fcae22139090489ede62692236b3835aab56ae681514ab163e85f8092adcefe9c137d19807f7634161ae5e75338febdef1b27f69382c76cbfc6bd5173c
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Filesize
32KB
MD5b6a03576e595afacb37ada2f1d5a0529
SHA1d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8
SHA2561707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad
SHA512181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c