75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537

General

Target

75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.exe
Size

188KB
MD5

82f735eaced6c55c0dc63d3f3b3fc8de
SHA1

8ed0d411585847c9390cedace6841b8b6b3db150
SHA256

75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537
SHA512

b63ec6bda1a4f8b14c04c02774b104fb73d497b23ff8b1030bef8caba7b3bc2ca498ae1c3053e37ed9ce5520fa02bd42e50691ae873c8849069eafe941a6fdf1
SSDEEP

3072:tP6+AUTpld1ukuG4IymlfOSr2ROWKL6hnCygUliPOHR6aaYxV8nZD+NjNY8YDF/v:tC+AUTpld1bN/2ROL6hSOHR6aaYxanZ9

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
4556	tazebama.dl_

Loads dropped DLL 1 IoCs

pid	Process
4984	75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.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)	\??\H:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\N:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\Z:	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)	\??\K:	tazebama.dl_
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\V:	tazebama.dl_
File opened (read-only)	\??\T:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\M:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\G:	tazebama.dl_
File opened (read-only)	\??\Y:	tazebama.dl_
File opened (read-only)	\??\U:	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
3256	4556	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4556	tazebama.dl_
4556	tazebama.dl_

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 4556	4984	75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.exe	81
PID 4984 wrote to memory of 4556	4984	75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.exe	81
PID 4984 wrote to memory of 4556	4984	75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.exe	81

C:\Users\Admin\AppData\Local\Temp\75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.exe
"C:\Users\Admin\AppData\Local\Temp\75fc0bb3be819e8761eeb1039f1f24ddc58fb14cb93e81a0f2468347e20d9537.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4984
- 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:4556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 732
    3⤵
    - Program crash
    PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4556 -ip 4556
1⤵
PID:3252

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
fba7260286ce6ba16493e99dbc6272ad

SHA1
a6bae3e536efcb519cd624292754a7bf715104b8

SHA256
3291f96dbe1bdcc47eb2fed1b8877d55b4dcd5407f47d86cf8be85791be52628

SHA512
99cafe1472e3b325ea7a1d3a068e83ca5c601c53a44f93c1f9f981f8fbe6961646e35094edf1e26d8ce6035936ffc81a92e7d2a316b4e883e6982a9a9c214aaa

Download Submit
C:\Users\tazebama.dl_

Filesize
157KB

MD5
fba7260286ce6ba16493e99dbc6272ad

SHA1
a6bae3e536efcb519cd624292754a7bf715104b8

SHA256
3291f96dbe1bdcc47eb2fed1b8877d55b4dcd5407f47d86cf8be85791be52628

SHA512
99cafe1472e3b325ea7a1d3a068e83ca5c601c53a44f93c1f9f981f8fbe6961646e35094edf1e26d8ce6035936ffc81a92e7d2a316b4e883e6982a9a9c214aaa

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/4556-138-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4984-133-0x0000000001000000-0x000000000100A000-memory.dmp

Filesize
40KB

Download
memory/4984-137-0x0000000001000000-0x000000000100A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads