gozi_ifsb | 339f3c74c70ecad94a1ed77ed695e0e184f4547be4d528c80d37ea7573c4bde0

Analysis

max time kernel
64s
max time network
120s
platform
windows10_x64
resource
win10v20210408
submitted
13-06-2021 07:05

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General

Target

941ccb3a8c0e865c06cc8a6aa29e1bc6.dll
Size

937KB
MD5

941ccb3a8c0e865c06cc8a6aa29e1bc6
SHA1

454885f5d511ecd33f93cb96e3afbc2c01f37f22
SHA256

339f3c74c70ecad94a1ed77ed695e0e184f4547be4d528c80d37ea7573c4bde0
SHA512

ace5f70b832d8cf164eafdbf2193b471345d04b621d23faadb11ca1b0e33648b9df89becfe7c0be54aa3e6f88e6d6e8dd9efc8e44d9c96eee542e33ec493f60c

Score

10^/10

gozi_ifsb 4500 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

Attributes

build
250188
exe_type
loader
server_id
580

rsa_pubkey.base64

serpent.plain

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 640 wrote to memory of 848	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 848	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 848	640	rundll32.exe	rundll32.exe
PID 848 wrote to memory of 768	848	rundll32.exe	cmd.exe
PID 848 wrote to memory of 768	848	rundll32.exe	cmd.exe
PID 848 wrote to memory of 768	848	rundll32.exe	cmd.exe
PID 848 wrote to memory of 3864	848	rundll32.exe	cmd.exe
PID 848 wrote to memory of 3864	848	rundll32.exe	cmd.exe
PID 848 wrote to memory of 3864	848	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\941ccb3a8c0e865c06cc8a6aa29e1bc6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\941ccb3a8c0e865c06cc8a6aa29e1bc6.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:768

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:3864

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/768-115-0x0000000000000000-mapping.dmp

Download
memory/848-114-0x0000000000000000-mapping.dmp

Download
memory/848-118-0x00000000741E0000-0x00000000742E4000-memory.dmp

Filesize
1.0MB

Download
memory/848-117-0x00000000741E0000-0x00000000741EE000-memory.dmp

Filesize
56KB

Download
memory/848-119-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

Filesize
4KB

Download
memory/3864-116-0x0000000000000000-mapping.dmp

Download