8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3

General

Target

8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe
Size

235KB
MD5

8199ecf33ab08efbfb1f82a49239f60d
SHA1

0f0ed1152c2658012f3d789c668b693c742cf89d
SHA256

8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3
SHA512

04116efb2dc28a2a69c576dea02420ae90a6baf0347f825f1face3388422b16deb7b136a448454b76ccd534c97e7f69dac748d9f0a37e5b940cb7d3ce43a3e2f
SSDEEP

3072:W1iHnFeXb0ryVjM6xeVo0tL0nUq8sT06+7KJOTnhrNENfUxhy9lyi31YKLn:W1IcX4ryVsR0nUqS6+7KsLcmhyui3Xb

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

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
4784	tazebama.dl_

Loads dropped DLL 1 IoCs

pid	Process
4364	8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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

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

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
5016	4784	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4784	tazebama.dl_
4784	tazebama.dl_

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 4784	4364	8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe	86
PID 4364 wrote to memory of 4784	4364	8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe	86
PID 4364 wrote to memory of 4784	4364	8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe	86

C:\Users\Admin\AppData\Local\Temp\8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe
"C:\Users\Admin\AppData\Local\Temp\8816f1a32df873184dc68b7174a60b0f2ab78fd6fa9614984c73292aa701f0f3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4364
- 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:4784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 744
    3⤵
    - Program crash
    PID:5016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4784 -ip 4784
1⤵
PID:2232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Documents and Settings\tazebama.dl_

Filesize
157KB

MD5
623a4f9c5bd1082af9e6d03ff271d110

SHA1
d8556a1e43e871159de6c582c65ca0f3bf240758

SHA256
7b56ebc4bef00b25052b5e5815cfadd41940feb499b479f12a7158daa9dc85b1

SHA512
2c835751b3b13f3b39076d1ac79d61f07e56303c729139eaabf4267a22108574cc9fc4515a75e1499d954162e875d7cc7c3c42b8bc48c9aa14f0eb831eac81d8

Download Submit
C:\Users\tazebama.dl_

Filesize
157KB

MD5
623a4f9c5bd1082af9e6d03ff271d110

SHA1
d8556a1e43e871159de6c582c65ca0f3bf240758

SHA256
7b56ebc4bef00b25052b5e5815cfadd41940feb499b479f12a7158daa9dc85b1

SHA512
2c835751b3b13f3b39076d1ac79d61f07e56303c729139eaabf4267a22108574cc9fc4515a75e1499d954162e875d7cc7c3c42b8bc48c9aa14f0eb831eac81d8

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/4364-136-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

Download
memory/4364-138-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

Download
memory/4784-137-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4784-139-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads