a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead

General

Target

a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.exe
Size

234KB
MD5

47f326f9250eb5a236f4bbb5e785598c
SHA1

c13a93e24159d1f071717636e25adbbe9625d2db
SHA256

a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead
SHA512

b6579e0f9e47f81cb16775af3a6e63d2c022796bc3ecf9ee27222d1128b72e55748f48436ee5c99efead8ff89602ccda8d49baf641e2ca680948123cfe6f2ff6
SSDEEP

3072:HLk39hhYXJOqlWY8umcPkaJfIsdFfTx3TgNSqr6n16L92ojxnv3LJuZQHZrHW:HQ67lWCmgprtNqr0ojxvdSsZjW

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
4140	tazebama.dl_

Loads dropped DLL 1 IoCs

pid	Process
4920	a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.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)	\??\L:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\Z:	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)	\??\K:	tazebama.dl_
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\V:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\Y:	tazebama.dl_
File opened (read-only)	\??\S:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\H:	tazebama.dl_
File opened (read-only)	\??\G:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\T:	tazebama.dl_
File opened (read-only)	\??\J:	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_

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3404	4140	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4140	tazebama.dl_
4140	tazebama.dl_

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4140	4920	a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.exe	83
PID 4920 wrote to memory of 4140	4920	a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.exe	83
PID 4920 wrote to memory of 4140	4920	a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.exe	83

C:\Users\Admin\AppData\Local\Temp\a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.exe
"C:\Users\Admin\AppData\Local\Temp\a12db0db7bb99f0b8aab406588d21cee4b8153e21c5963f07994c5a433d3bead.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4920
- 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:4140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 732
    3⤵
    - Program crash
    PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4140 -ip 4140
1⤵
PID:4980

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

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Documents and Settings\tazebama.dl_

Filesize
151KB

MD5
164f3b1872794f7700478f626832af2a

SHA1
3d76f8596410d3691607336b619451557a5a06ef

SHA256
2fa090d6e90dec73b1c880a723944202340b6005e29c587c1758ab3949a12dac

SHA512
9e5c7866f97fbe806d5e34069abe31d6fb1efe57a7b12e466da5e50e2c9c8dc3295a24f3ae09cfc9b8ee7e61b3ef58545914ba9bfbf22dc08bf1111b37b75b4e

Download Submit
C:\Users\tazebama.dl_

Filesize
151KB

MD5
164f3b1872794f7700478f626832af2a

SHA1
3d76f8596410d3691607336b619451557a5a06ef

SHA256
2fa090d6e90dec73b1c880a723944202340b6005e29c587c1758ab3949a12dac

SHA512
9e5c7866f97fbe806d5e34069abe31d6fb1efe57a7b12e466da5e50e2c9c8dc3295a24f3ae09cfc9b8ee7e61b3ef58545914ba9bfbf22dc08bf1111b37b75b4e

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/4140-138-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4140-139-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4920-132-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4920-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4920-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads