gozi | 32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb

Analysis

max time kernel
2s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 03:04

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General

Target

32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe
Size

519KB
MD5

bb58a8b53de601ea988fd59a3936269c
SHA1

d5dd36f0c049674d4e9543e4029d0b5c93190635
SHA256

32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb
SHA512

eca79e2bd5c95de2d4ffeb338dd4ed3e8282155aa39236e401fc10c047a53f3448a0abeb660bfa16a3422c3a7d5d01a3cfe3afabc720b8a1d300ab262065a6a6
SSDEEP

12288:hq054W6lCMdPpHYk6qHeitmW0sTl0c8DdxLPbV:AG6hnHL6ngjbvyTV

Score

10^/10

gozi banker bootkit isfb persistence trojan

Malware Config

Extracted

Family

gozi

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1488 cmd.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of UnmapMainImage 1 IoCs

Processes:

32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe

pid process

2032 32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe

pid	process
1488	cmd.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe

pid	process
2032	32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.execmd.exe

description	pid	process	target process
PID 2032 wrote to memory of 1488	2032	32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe	cmd.exe
PID 2032 wrote to memory of 1488	2032	32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe	cmd.exe
PID 2032 wrote to memory of 1488	2032	32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe	cmd.exe
PID 2032 wrote to memory of 1488	2032	32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe	cmd.exe
PID 1488 wrote to memory of 1360	1488	cmd.exe	attrib.exe
PID 1488 wrote to memory of 1360	1488	cmd.exe	attrib.exe
PID 1488 wrote to memory of 1360	1488	cmd.exe	attrib.exe
PID 1488 wrote to memory of 1360	1488	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1360 attrib.exe

pid	process
1360	attrib.exe

C:\Users\Admin\AppData\Local\Temp\32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe
"C:\Users\Admin\AppData\Local\Temp\32b415619fa55b18681cf71becec927a8d51e47e9005699808a8dfee0f1e85eb.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\BD28.bat" "C:\Users\Admin\AppData\Local\Temp\32B415~1.EXE""
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\SysWOW64\attrib.exe
attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\32B415~1.EXE"
3⤵
- Views/modifies file attributes
PID:1360

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BD28.bat
Filesize
72B

MD5
b72dc5255b6c7891ed183d4bb51f5980

SHA1
d8812362239b8417fe035556d38e5c1c637085fa

SHA256
f6220172fb87849846593e876b305ce681498601b174dd20fee136b8a5dd5d56

SHA512
c3e12ee17e682bf189004b39d8f217c7d81e45465df8d1c8c109c902ec5d1f884c54d13946ee385f7a28ccca2671f3da172f5342a77511b4e7f1460889ff7a07

Download Submit
memory/1360-64-0x0000000000000000-mapping.dmp

Download
memory/1488-60-0x0000000000000000-mapping.dmp

Download
memory/2032-54-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download
memory/2032-55-0x0000000000380000-0x0000000000392000-memory.dmp

Filesize
72KB

Download
memory/2032-61-0x0000000000220000-0x000000000025E000-memory.dmp

Filesize
248KB

Download
memory/2032-62-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download