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

info.lnk
Size

1KB
MD5

af4691c6230c3309b730c154b03e0fe3
SHA1

7c3012f127d9bb783e13c070f3ca3a166677b32c
SHA256

8758fc876b298e2ee3e7ec19c26dd6a6c4acd8b3040a3f6c98030a94735c2119
SHA512

03c0adc89853c15d308738499d8a364b61fc142ffd795cfea056b636859cb603189b7a0fdf6081da78294a73fd5da48a68af2bbbf3df83f5a4de162bad0c999b

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 13 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2700	1852	cmd.exe	32
PID 1852 wrote to memory of 2700	1852	cmd.exe	32
PID 1852 wrote to memory of 2700	1852	cmd.exe	32
PID 2700 wrote to memory of 2836	2700	cmd.exe	33
PID 2700 wrote to memory of 2836	2700	cmd.exe	33
PID 2700 wrote to memory of 2836	2700	cmd.exe	33
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34
PID 2836 wrote to memory of 2816	2836	rundll32.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\info.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C start /IM C:\Windows\System32\rundll32.exe %cd%\tjufus\vafix.dll,DllRegisterServer
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\tjufus\vafix.dll,DllRegisterServer
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\tjufus\vafix.dll,DllRegisterServer
      4⤵
      System Location Discovery: System Language Discovery
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2816-36-0x00000000746F4000-0x00000000746F8000-memory.dmp

Filesize
16KB

Download
memory/2816-37-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-38-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-39-0x00000000746F4000-0x00000000746F8000-memory.dmp

Filesize
16KB

Download
memory/2816-40-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-41-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-43-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-44-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-45-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-46-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download
memory/2816-47-0x0000000000280000-0x000000000028D000-memory.dmp

Filesize
52KB

Download
memory/2816-50-0x0000000074680000-0x000000007478D000-memory.dmp

Filesize
1.1MB

Download

Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads