4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d

Analysis

max time kernel
34s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 23:06

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General

Target

4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe
Size

820KB
MD5

520327308034faebbf7770a951eea810
SHA1

4065db1062e0a0ba7e1b20f93c7d0169aa5ee1e6
SHA256

4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d
SHA512

33d832f74286b3f7e79fdba5e06f67d6a8510e5492523150960b14211c4530d3da820a1cc9a08915d037ccadc7483a4c9dda17514e0f20f33bff5f6e45d92d3b
SSDEEP

24576:xFRCUn4rP/37YzHXA6QJsoPtdpxxzYddS:xerP/37YzHXA6QJ3PtdpfEddS

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	tazebama.dl_

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tazebama.dl_

Executes dropped EXE 1 IoCs

pid	Process
936	tazebama.dl_

Loads dropped DLL 7 IoCs

pid	Process
1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe
1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe
1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe
1000	WerFault.exe
1000	WerFault.exe
1000	WerFault.exe
1000	WerFault.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)	\??\K:	tazebama.dl_
File opened (read-only)	\??\Z:	tazebama.dl_
File opened (read-only)	\??\S:	tazebama.dl_
File opened (read-only)	\??\R:	tazebama.dl_
File opened (read-only)	\??\P:	tazebama.dl_
File opened (read-only)	\??\L:	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)	\??\N:	tazebama.dl_
File opened (read-only)	\??\E:	tazebama.dl_
File opened (read-only)	\??\O:	tazebama.dl_
File opened (read-only)	\??\J:	tazebama.dl_
File opened (read-only)	\??\I:	tazebama.dl_
File opened (read-only)	\??\F:	tazebama.dl_
File opened (read-only)	\??\M:	tazebama.dl_
File opened (read-only)	\??\Y:	tazebama.dl_
File opened (read-only)	\??\V:	tazebama.dl_
File opened (read-only)	\??\U:	tazebama.dl_
File opened (read-only)	\??\Q:	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 8 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\EXCEL.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\GROOVE.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\INFOPATH.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\MSACCESS.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\MSPUB.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\OIS.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\ONENOTE.EXE	tazebama.dl_
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\OUTLOOK.EXE	tazebama.dl_

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1000	936	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
936	tazebama.dl_

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 936	1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe	28
PID 1668 wrote to memory of 936	1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe	28
PID 1668 wrote to memory of 936	1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe	28
PID 1668 wrote to memory of 936	1668	4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe	28
PID 936 wrote to memory of 1000	936	tazebama.dl_	29
PID 936 wrote to memory of 1000	936	tazebama.dl_	29
PID 936 wrote to memory of 1000	936	tazebama.dl_	29
PID 936 wrote to memory of 1000	936	tazebama.dl_	29

C:\Users\Admin\AppData\Local\Temp\4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe
"C:\Users\Admin\AppData\Local\Temp\4757ec12e85d9f9ef421894d30aae99a8632e8dfa34655b2c14f3bdfeb79102d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Documents and Settings\tazebama.dl_
  "C:\Documents and Settings\tazebama.dl_"
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files 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
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 320
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Documents and Settings\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
C:\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dl_

Filesize
151KB

MD5
c6241d30809e847ee86b792ef4751f8e

SHA1
a719ccf3d879de1ab75cc522722acb6767ccca42

SHA256
cdb4a2140856ef4d09c4102ecd33ce0a7270097faebfeea2892591612f59abef

SHA512
6d964a83425ca96802516f319e309f8f8a32b9b6ac2686119427a951f2d9324a7de07d1c76e6b9286974317d1905301b24c3b31869262b3b9533e4949ab04ac7

Download Submit
\Users\tazebama.dll

Filesize
32KB

MD5
b6a03576e595afacb37ada2f1d5a0529

SHA1
d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

SHA256
1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

SHA512
181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

Download Submit
memory/936-66-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1668-64-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/1668-65-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1668-55-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/1668-57-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1668-72-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/1668-71-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1668-54-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download