bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a

General

Target

bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.exe
Size

174KB
MD5

6437cb76dc11fd4134cc1d5b57114ba0
SHA1

907bdb6889afe1c171e99d048363f7de67872146
SHA256

bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a
SHA512

d3f534b8d6533806e37010b4859429b41ff1cb996def3c6074a5c2051467992e5ad20cf023101794eac01979627bad5a9b71bdac796521c617a5a4cb80816b57
SSDEEP

3072:acEiJR27/K6+yTNq55axs0Qc3pg3lQCN7zbF1OSTOneRtk:iK6/bXw5a+hc3+3l3F1BaP

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
1488	tazebama.dl_

Loads dropped DLL 1 IoCs

pid	Process
540	bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.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)	\??\S:	tazebama.dl_
File opened (read-only)	\??\M:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\H:	tazebama.dl_
File opened (read-only)	\??\G:	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)	\??\T:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\K:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\O:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\Y:	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:\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 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
4820	1488	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1488	tazebama.dl_
1488	tazebama.dl_

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1488	540	bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.exe	81
PID 540 wrote to memory of 1488	540	bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.exe	81
PID 540 wrote to memory of 1488	540	bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.exe	81

C:\Users\Admin\AppData\Local\Temp\bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.exe
"C:\Users\Admin\AppData\Local\Temp\bb6821caa6af40d725eedf00f0735913a6f666665782b4e64aa47dc12320583a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:540
- 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:1488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 752
    3⤵
    - Program crash
    PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1488 -ip 1488
1⤵
PID:2016

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

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Downloads

C:\Documents and Settings\tazebama.dl_

Filesize
157KB

MD5
5eebf270f360f0c8213b281a5974a753

SHA1
4b633cf9ffb7e3cb7b46af5d63c0a6acafacf446

SHA256
4fc52298b2a1cd7e1a263fc7597e8643d61c5158de88b6a8ebf2cf8b2efdbb27

SHA512
907fe23c793fc5a37af3bf8ebd33fb58eae57e3d3d1c5ed7867867fb0108cca9f5c712817f97f5c78bfae5f7bf0130a4dda169a3e00336282411592272ac93ed

Download Submit
C:\Users\tazebama.dl_

Filesize
157KB

MD5
5eebf270f360f0c8213b281a5974a753

SHA1
4b633cf9ffb7e3cb7b46af5d63c0a6acafacf446

SHA256
4fc52298b2a1cd7e1a263fc7597e8643d61c5158de88b6a8ebf2cf8b2efdbb27

SHA512
907fe23c793fc5a37af3bf8ebd33fb58eae57e3d3d1c5ed7867867fb0108cca9f5c712817f97f5c78bfae5f7bf0130a4dda169a3e00336282411592272ac93ed

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/540-133-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/540-136-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1488-134-0x0000000000000000-mapping.dmp

Download
memory/1488-138-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads