4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5

General

Target

4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe
Size

184KB
MD5

8a3f8bf967b89c12091795936aa264be
SHA1

b7a8b18689e2c38a6e16bcc73b8d44713c029651
SHA256

4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5
SHA512

098b13568b05984344a98c7c177d666a6d47adb92d4b64f524946b4b7af6640a64d359295cf41988c07a58a988f1d28a1c30fc3ebc33b53e9119596810d64ebc
SSDEEP

3072:BANZfhEi27D+mgLbQe/n+SrSRoVJbqHVeGqLiF+aiSvjX0Y/5xZctAIXbTm:ebJE7D+JLbXmNqwHVeyFLvjXv/5fUAIW

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Dcibaa.exe

pid process

1772 Dcibaa.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3372-132-0x0000000000400000-0x0000000000467000-memory.dmp	upx
C:\Windows\Dcibaa.exe	upx
C:\Windows\Dcibaa.exe	upx

Drops file in Windows directory 6 IoCs

Processes:

4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exeDcibaa.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe
File created	C:\Windows\Dcibaa.exe	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe
File opened for modification	C:\Windows\Dcibaa.exe	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Dcibaa.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Dcibaa.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

8 1772 WerFault.exe Dcibaa.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

Dcibaa.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main Dcibaa.exe

pid	pid_target	process	target process
8	1772	WerFault.exe	Dcibaa.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	Dcibaa.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

Dcibaa.exe

pid	process
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe
1772	Dcibaa.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe

description	pid	process	target process
PID 3372 wrote to memory of 1772	3372	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe	Dcibaa.exe
PID 3372 wrote to memory of 1772	3372	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe	Dcibaa.exe
PID 3372 wrote to memory of 1772	3372	4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe	Dcibaa.exe

C:\Users\Admin\AppData\Local\Temp\4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe
"C:\Users\Admin\AppData\Local\Temp\4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\Dcibaa.exe
C:\Windows\Dcibaa.exe
2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 856
3⤵
- Program crash
PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1772 -ip 1772
1⤵
PID:4832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Dcibaa.exe

Filesize
184KB

MD5
8a3f8bf967b89c12091795936aa264be

SHA1
b7a8b18689e2c38a6e16bcc73b8d44713c029651

SHA256
4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5

SHA512
098b13568b05984344a98c7c177d666a6d47adb92d4b64f524946b4b7af6640a64d359295cf41988c07a58a988f1d28a1c30fc3ebc33b53e9119596810d64ebc

Download Submit
C:\Windows\Dcibaa.exe

Filesize
184KB

MD5
8a3f8bf967b89c12091795936aa264be

SHA1
b7a8b18689e2c38a6e16bcc73b8d44713c029651

SHA256
4fb3fcb2e22606728d0ff823bff8e21d59f636e5ba1dd7932d31dfe489cb89c5

SHA512
098b13568b05984344a98c7c177d666a6d47adb92d4b64f524946b4b7af6640a64d359295cf41988c07a58a988f1d28a1c30fc3ebc33b53e9119596810d64ebc

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
426B

MD5
5f58383efc504054f941bbaea6164d94

SHA1
f13fc306198341f306d14bb69da22897c2a276f9

SHA256
f7548b5866dd11e5e85a921bb9523f9146796a96ce79845f4e2be69b2bf84619

SHA512
b6a7b62084d30b3daa505e3b06e1549481f12eae8a96d79d711e3b3f2ec8a306be4dc370bd271a256a202e3f57fb60ccbf53cf8d3da7060c3e04702e44241306

Download Submit
memory/1772-137-0x0000000000000000-mapping.dmp

Download
memory/1772-143-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1772-145-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1772-147-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3372-132-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3372-135-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3372-136-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3372-146-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads