477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd

Analysis

max time kernel
141s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 00:34

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General

Target

477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe
Size

1.7MB
MD5

0912715c0a93816ffad786f51f94fea0
SHA1

685e97519c78dfa6becacfb52ca0bcf3e39e3fb3
SHA256

477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd
SHA512

08ce8099493086016718827507a0ccd61810c488d50800ed2ae7bebc54110d073b7ba7e62a60e5747a929f3b054ca1718a88da943fffd4d4ebfbf075a3ec8f5e
SSDEEP

49152:lVxJ5S4vmgxsOmhp92EZgxKGAte5ZPZ2RDc:bxJ5S4vqOmhp92jKjUZ6Dc

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

tazebama.dl_

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

tazebama.dl_

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tazebama.dl_

Executes dropped EXE 1 IoCs

Processes:

tazebama.dl_

pid process

976 tazebama.dl_

pid	process
976	tazebama.dl_

Loads dropped DLL 7 IoCs

Processes:

477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exeWerFault.exe

pid	process
828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe
828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe
828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe
1608	WerFault.exe
1608	WerFault.exe
1608	WerFault.exe
1608	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

tazebama.dl_

description ioc process

Key created \REGISTRY\MACHINE\software\Wow6432Node\Microsoft\Windows\CurrentVersion\run 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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

tazebama.dl_

description	ioc	process
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\K:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\S:	tazebama.dl_
File opened (read-only)	\??\O:	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)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\N:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\V:	tazebama.dl_
File opened (read-only)	\??\T:	tazebama.dl_
File opened (read-only)	\??\P:	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.

Replication Through Removable Media

T1091

Processes:

tazebama.dl_

description	ioc	process
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	tazebama.dl_
File opened for modification	C:\autorun.inf	tazebama.dl_

Drops file in Program Files directory 8 IoCs

Processes:

tazebama.dl_

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\EXCEL.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\GROOVE.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\INFOPATH.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\MSACCESS.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\MSPUB.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\OIS.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\ONENOTE.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\OUTLOOK.EXE	tazebama.dl_

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
892	828	WerFault.exe	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe
1608	976	WerFault.exe	tazebama.dl_

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

tazebama.dl_

pid process

976 tazebama.dl_

pid	process
976	tazebama.dl_

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exetazebama.dl_

description	pid	process	target process
PID 828 wrote to memory of 976	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	tazebama.dl_
PID 828 wrote to memory of 976	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	tazebama.dl_
PID 828 wrote to memory of 976	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	tazebama.dl_
PID 828 wrote to memory of 976	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	tazebama.dl_
PID 828 wrote to memory of 892	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	WerFault.exe
PID 828 wrote to memory of 892	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	WerFault.exe
PID 828 wrote to memory of 892	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	WerFault.exe
PID 828 wrote to memory of 892	828	477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe	WerFault.exe
PID 976 wrote to memory of 1608	976	tazebama.dl_	WerFault.exe
PID 976 wrote to memory of 1608	976	tazebama.dl_	WerFault.exe
PID 976 wrote to memory of 1608	976	tazebama.dl_	WerFault.exe
PID 976 wrote to memory of 1608	976	tazebama.dl_	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe
"C:\Users\Admin\AppData\Local\Temp\477346a6c45e37ecfd49c37d897cf2bdf186a16170e798d38555f6a290d56dbd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:828

C:\Documents and Settings\tazebama.dl_
"C:\Documents and Settings\tazebama.dl_"
2⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files 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
- Suspicious use of WriteProcessMemory
PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 320
3⤵
- Loads dropped DLL
- Program crash
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 136
2⤵
- Program crash
PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Documents and Settings\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
C:\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
97969f29d84640d154cae934f59e812d

SHA1
6c54a9c777840171ef1f6f7fdfc8ff26411553ee

SHA256
95d448a60d65b326c1d8174e8c6d9c4c4e6c6ae5c7ebb50e75fa92be12a911fc

SHA512
6880a8e8920200219b5d761b2367bac39017ac75e22983f5640016f889285a0488bca127d12e7278570deff3ee8f0e491403460ac92961075b7d96477598a57f

Download Submit
\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/828-67-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/828-68-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/828-69-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/828-71-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/828-72-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/892-61-0x0000000000000000-mapping.dmp

Download
memory/976-59-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/976-57-0x0000000000000000-mapping.dmp

Download
memory/976-70-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1608-62-0x0000000000000000-mapping.dmp

Download