e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc

General

Target

e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe
Size

240KB
MD5

028e3bf939a0534b6c11f74f67164c98
SHA1

b98aa9f25cddf114252dd353ae56bb58db30cb9a
SHA256

e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc
SHA512

c1dae1c04a5d5661a4eb14496a5a44d71dd6a7f4190c8ee792fa0d4a291bfd68187afd9a50b2773a28520c1371647413075a2f35a1ca2508b7fcbf27736f1a92
SSDEEP

6144:7PeyxTM94W+HBuA2hNE8x7KLm6NNZkDwWfPMoRjTpzP:7PbZMRtKYwW/TpP

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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
3548	tazebama.dl_

Loads dropped DLL 1 IoCs

pid	Process
908	e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.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)	\??\M:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\Y:	tazebama.dl_
File opened (read-only)	\??\V:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\O:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\N:	tazebama.dl_
File opened (read-only)	\??\H:	tazebama.dl_
File opened (read-only)	\??\G:	tazebama.dl_
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\T:	tazebama.dl_
File opened (read-only)	\??\S:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\K:	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
2668	3548	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3548	tazebama.dl_
3548	tazebama.dl_

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
908	e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
908	e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 3548	908	e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe	81
PID 908 wrote to memory of 3548	908	e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe	81
PID 908 wrote to memory of 3548	908	e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe	81

C:\Users\Admin\AppData\Local\Temp\e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe
"C:\Users\Admin\AppData\Local\Temp\e4cf2cb5adba7561d7203bac0a88dd10a7ecd931693247c772dffb7cff36adcc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:908
- 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:3548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 736
    3⤵
    - Program crash
    PID:2668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3548 -ip 3548
1⤵
PID:4500

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
151KB

MD5
0b3665bb7e8f3f573d07f19042614bd2

SHA1
b360a696d2a3c0f28d510a3056aba2c3f2347aa2

SHA256
cb60609d667f512e596ceaa083a83915b54763de168a5b3fc7996ddb88dfa4d4

SHA512
a35460faeb45988dcff18fe5609051f27d11c1304dcd845d137768589180fb6ac80c847e101d3508f485e939b1fb7c549daf9a4b777ec2ddb8c97c8336c092d1

Download Submit
C:\Users\tazebama.dl_

Filesize
151KB

MD5
0b3665bb7e8f3f573d07f19042614bd2

SHA1
b360a696d2a3c0f28d510a3056aba2c3f2347aa2

SHA256
cb60609d667f512e596ceaa083a83915b54763de168a5b3fc7996ddb88dfa4d4

SHA512
a35460faeb45988dcff18fe5609051f27d11c1304dcd845d137768589180fb6ac80c847e101d3508f485e939b1fb7c549daf9a4b777ec2ddb8c97c8336c092d1

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/908-133-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/908-134-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/908-138-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3548-139-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads