gozi | 4e18efde9c5ac9f461d8dcf3f23337bc2add0fbdd528543942de05991f84abd9

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 20:48

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General

Target

tjufus\vafix.dll
Size

472KB
MD5

181ad9edf1cc6305c42981c4b72a9992
SHA1

af7f549bb9f2bcc8676787bf24313be0f5bf1f9e
SHA256

d4a0d88681fb5af8c131b0d915a26143ae6c62bc2302deff076dfa9f5b9bd437
SHA512

db1a61f08827aef0d99212531fb9210d01129a96f8cc463bdd44c7dbcc3059828549bb25260c24b44c619eb3e50f9c573ddbf5a9dfbd2ba094cc75d620415f7c
SSDEEP

12288:g8T8E11FE68XEDkXZ9YG8nxu3/vkfzJtCcZR:111m/XvZv8m/cb5

Score

10^/10

gozi 3500 banker discovery isfb trojan

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

3500

gtr.antoinfer.com

f1.bablefiler.at

Attributes

build
250211
exe_type
loader
server_id
580

rsa_pubkey.plain

aes.plain

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Gozi family
gozi

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30
PID 2068 wrote to memory of 2828	2068	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tjufus\vafix.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\tjufus\vafix.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2828-0-0x0000000075084000-0x0000000075088000-memory.dmp

Filesize
16KB

Download
memory/2828-1-0x0000000075010000-0x000000007511D000-memory.dmp

Filesize
1.1MB

Download
memory/2828-2-0x0000000075010000-0x000000007511D000-memory.dmp

Filesize
1.1MB

Download
memory/2828-3-0x0000000075084000-0x0000000075088000-memory.dmp

Filesize
16KB

Download
memory/2828-4-0x0000000075010000-0x000000007511D000-memory.dmp

Filesize
1.1MB

Download
memory/2828-5-0x0000000000240000-0x000000000024D000-memory.dmp

Filesize
52KB

Download
memory/2828-8-0x0000000075010000-0x000000007511D000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads