811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c

General

Target

811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe
Size

944KB
MD5

16c7bc2c5b912218d6952f20cdae1563
SHA1

78f8b0e251a7eb1a5d11e69995f5c08543e55056
SHA256

811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c
SHA512

3d9a7a702f18fcc2c942ae8c0548f73531715de56458c25b024f775d22975246c43c7ab0df9a00d94fd352d8fa75e85e7c2fffd256440ab7604879d195b0acc2
SSDEEP

24576:Oz+crnq6qhjDo0t52nEYy6lsoJWSX394W2nwU3ybbVvJ5MMeAAsV8q3X:AtWjDo0t52nEYy6lsoJWSX394W2nwU3I

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

Processes:

tazebama.dl_

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

Processes:

tazebama.dl_

pid process

2864 tazebama.dl_
Loads dropped DLL 1 IoCs

Processes:

811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe

pid process

1056 811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

tazebama.dl_

description ioc process

Key created \REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run tazebama.dl_

pid	process
2864	tazebama.dl_

pid	process
1056	811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe

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

Processes:

tazebama.dl_

description	ioc	process
File opened (read-only)	\??\T:	tazebama.dl_
File opened (read-only)	\??\M:	tazebama.dl_
File opened (read-only)	\??\L:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\S:	tazebama.dl_
File opened (read-only)	\??\O:	tazebama.dl_
File opened (read-only)	\??\H:	tazebama.dl_
File opened (read-only)	\??\Q:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\N:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\Y:	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)	\??\F:	tazebama.dl_
File opened (read-only)	\??\E:	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)	\??\I:	tazebama.dl_
File opened (read-only)	\??\G:	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

Processes:

tazebama.dl_

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

Processes:

tazebama.dl_

description ioc process

File opened for modification C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE tazebama.dl_
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4292 2864 WerFault.exe tazebama.dl_
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tazebama.dl_

pid process

2864 tazebama.dl_
2864 tazebama.dl_

description	ioc	process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	tazebama.dl_

pid	pid_target	process	target process
4292	2864	WerFault.exe	tazebama.dl_

pid	process
2864	tazebama.dl_
2864	tazebama.dl_

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe

description	pid	process	target process
PID 1056 wrote to memory of 2864	1056	811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe	tazebama.dl_
PID 1056 wrote to memory of 2864	1056	811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe	tazebama.dl_
PID 1056 wrote to memory of 2864	1056	811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe	tazebama.dl_

C:\Users\Admin\AppData\Local\Temp\811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe
"C:\Users\Admin\AppData\Local\Temp\811fdcf364b471b858e14bc33ba06147c4d58fea5b6303a3af1239fdc326af8c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1056

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:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 736
3⤵
- Program crash
PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2864 -ip 2864
1⤵
PID:224

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
164KB

MD5
7d47e554bd98316379ac9dd816deda8d

SHA1
8a4c49659ba10593b73fd2f29459554f87eb9fbc

SHA256
a68b9afc582b92085ad89cd5235bc1d22aeb6658b6f7f24897dd8b58be4404b7

SHA512
c7ac7c3143b404d3e7b37bc54b48f4c56209424434838dd7008ee0c5d25aef917f1b5cf39c122198539047fe1e1e0e9ddb01de4ec0b2d2544289a9d1565746e7

Download Submit
C:\Users\tazebama.dl_

Filesize
164KB

MD5
7d47e554bd98316379ac9dd816deda8d

SHA1
8a4c49659ba10593b73fd2f29459554f87eb9fbc

SHA256
a68b9afc582b92085ad89cd5235bc1d22aeb6658b6f7f24897dd8b58be4404b7

SHA512
c7ac7c3143b404d3e7b37bc54b48f4c56209424434838dd7008ee0c5d25aef917f1b5cf39c122198539047fe1e1e0e9ddb01de4ec0b2d2544289a9d1565746e7

Download Submit
C:\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/1056-133-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1056-137-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1056-139-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/2864-134-0x0000000000000000-mapping.dmp

Download
memory/2864-138-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2864-140-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads