0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5

General

Target

0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.exe
Size

222KB
MD5

064e118da93912a5daa23e6887d4c95d
SHA1

257d40465767aeba085cc72b2ebcecfebf02b42c
SHA256

0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5
SHA512

a45f45f5d380e620e5d0371cbcd011288d8141c5cdee28b0a5f60ad31bcc9ed00051a3307059116cc3a5c35646663ceef186a0a907d0d360ae9abec7ed3ff9ae
SSDEEP

3072:IoIupHZotV5GCWapI7gxN6vBfZ1UE7Zk06M6fjScmUdt+LP/AKFeMhEPChRHo8OL:nZK+CWaRUZfZpL6MEjw/OcreBHiLbe

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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
3632	tazebama.dl_

Loads dropped DLL 1 IoCs

pid	Process
2176	0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.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)	\??\V:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\O:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\W:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\M:	tazebama.dl_
File opened (read-only)	\??\K:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\X:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\H:	tazebama.dl_
File opened (read-only)	\??\G:	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)	\??\N:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\T:	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
4100	3632	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3632	tazebama.dl_
3632	tazebama.dl_

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3632	2176	0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.exe	83
PID 2176 wrote to memory of 3632	2176	0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.exe	83
PID 2176 wrote to memory of 3632	2176	0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.exe	83

C:\Users\Admin\AppData\Local\Temp\0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.exe
"C:\Users\Admin\AppData\Local\Temp\0a3e4cfa39d5ed27aa456aa65e0f1db5b2640a5bb1fe2c6fb9c42297534aebc5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- 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:3632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 752
    3⤵
    - Program crash
    PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3632 -ip 3632
1⤵
PID:3428

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
149KB

MD5
f8dd236802d62179020683d05464b922

SHA1
c10da309fbefe5061c6afccdf4fa3da53a54b761

SHA256
b7eb4e5ffb6909fdd68f98e078ef5109c77338ed1e2d22927c382fcdf73c938d

SHA512
ff127a3338fb8b6bc5e3646bc2e1e06e88bef05cf8f05b0a68eeb786a378bb7c6a4de59063e64ef0d2f9413c46687c30e11cae3d2a19f0710c1e89b7fa38b1f4

Download Submit
C:\Users\tazebama.dl_

Filesize
149KB

MD5
f8dd236802d62179020683d05464b922

SHA1
c10da309fbefe5061c6afccdf4fa3da53a54b761

SHA256
b7eb4e5ffb6909fdd68f98e078ef5109c77338ed1e2d22927c382fcdf73c938d

SHA512
ff127a3338fb8b6bc5e3646bc2e1e06e88bef05cf8f05b0a68eeb786a378bb7c6a4de59063e64ef0d2f9413c46687c30e11cae3d2a19f0710c1e89b7fa38b1f4

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/2176-133-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2176-138-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3632-139-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads