Analysis
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max time kernel
165s -
max time network
219s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 20:40
Static task
static1
Behavioral task
behavioral1
Sample
5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe
Resource
win10v2004-20220812-en
General
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Target
5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe
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Size
530KB
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MD5
177b3d7d64ac023bde01a509e01dff08
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SHA1
36047dec729256edb148d290675921ab0b8c52a2
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SHA256
5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6
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SHA512
27c65ec3cf2acc7b486162bdc1720a02c1035e59f724a2adb434c008ebf1da06875703fd06a756667f8d4dade9de6acbe2ba424cd371ca9c0d8a8e012863cecf
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SSDEEP
12288:QQdl/7YkrWBfWhvRhQU3145vnvAr0NTT/6Xf6:QQv/7DSBfWh3145PI0lT/6S
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" tazebama.dl_ -
Executes dropped EXE 1 IoCs
pid Process 4920 tazebama.dl_ -
Loads dropped DLL 1 IoCs
pid Process 2236 5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
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.
description ioc Process File opened (read-only) \??\M: tazebama.dl_ File opened (read-only) \??\J: tazebama.dl_ File opened (read-only) \??\F: tazebama.dl_ File opened (read-only) \??\X: tazebama.dl_ File opened (read-only) \??\V: tazebama.dl_ File opened (read-only) \??\P: tazebama.dl_ File opened (read-only) \??\N: tazebama.dl_ File opened (read-only) \??\S: tazebama.dl_ File opened (read-only) \??\K: tazebama.dl_ File opened (read-only) \??\G: tazebama.dl_ File opened (read-only) \??\H: tazebama.dl_ File opened (read-only) \??\Y: tazebama.dl_ File opened (read-only) \??\U: tazebama.dl_ File opened (read-only) \??\L: tazebama.dl_ File opened (read-only) \??\I: tazebama.dl_ File opened (read-only) \??\Q: tazebama.dl_ File opened (read-only) \??\O: tazebama.dl_ File opened (read-only) \??\E: tazebama.dl_ File opened (read-only) \??\Z: tazebama.dl_ File opened (read-only) \??\W: tazebama.dl_ File opened (read-only) \??\T: tazebama.dl_ File opened (read-only) \??\R: tazebama.dl_ -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
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
description ioc Process File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE tazebama.dl_ -
Program crash 1 IoCs
pid pid_target Process procid_target 3828 4920 WerFault.exe 80 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4920 tazebama.dl_ 4920 tazebama.dl_ -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2236 wrote to memory of 4920 2236 5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe 80 PID 2236 wrote to memory of 4920 2236 5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe 80 PID 2236 wrote to memory of 4920 2236 5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe"C:\Users\Admin\AppData\Local\Temp\5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236 -
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:4920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 7323⤵
- Program crash
PID:3828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4920 -ip 49201⤵PID:4884
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
149KB
MD562581b8a5ab32b97a19e8335936a6413
SHA16be9d576bd257c6d7af66913a245e6bfc187fc95
SHA256edb0dfe7a60fe4497e95163ccd5797dbefb73814cddd9026ece71086af976298
SHA51289af009b6ed04407c65fd00bef95679ced140141486fa6b4cb5323d0b58945c123755fd139ba9280382f5f29bef6126b5e47c740d399fdcef7b707d0fa7e2510
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Filesize
149KB
MD562581b8a5ab32b97a19e8335936a6413
SHA16be9d576bd257c6d7af66913a245e6bfc187fc95
SHA256edb0dfe7a60fe4497e95163ccd5797dbefb73814cddd9026ece71086af976298
SHA51289af009b6ed04407c65fd00bef95679ced140141486fa6b4cb5323d0b58945c123755fd139ba9280382f5f29bef6126b5e47c740d399fdcef7b707d0fa7e2510
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Filesize
32KB
MD5b6a03576e595afacb37ada2f1d5a0529
SHA1d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8
SHA2561707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad
SHA512181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c