gozi_ifsb | 31f3e3dff9f4a1c67b4358b3dea34a4c1ad3ad98f5d58006071ec82543d7ed08

Analysis

max time kernel
61s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
24-05-2021 18:00

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General

Target

e8a3c694fc39f2fc11cc98a039092d9c.dll
Size

937KB
MD5

e8a3c694fc39f2fc11cc98a039092d9c
SHA1

5a997bcf52469b57823d7aa171a2d6debc70800b
SHA256

31f3e3dff9f4a1c67b4358b3dea34a4c1ad3ad98f5d58006071ec82543d7ed08
SHA512

ec1a1c3991c3b9c9b923b9ce1799fdf6bcff5e0e7c64fcff95892f001b4cac244eaf1fe84410e418f7dafce301fe08df9f95af1b88d01576e51fc7e438feea47

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 3540 wrote to memory of 3772	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3772	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3772	3540	rundll32.exe	rundll32.exe
PID 3772 wrote to memory of 3152	3772	rundll32.exe	cmd.exe
PID 3772 wrote to memory of 3152	3772	rundll32.exe	cmd.exe
PID 3772 wrote to memory of 3152	3772	rundll32.exe	cmd.exe
PID 3772 wrote to memory of 2008	3772	rundll32.exe	cmd.exe
PID 3772 wrote to memory of 2008	3772	rundll32.exe	cmd.exe
PID 3772 wrote to memory of 2008	3772	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8a3c694fc39f2fc11cc98a039092d9c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8a3c694fc39f2fc11cc98a039092d9c.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3772

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:3152

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:2008

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2008-116-0x0000000000000000-mapping.dmp

Download
memory/3152-115-0x0000000000000000-mapping.dmp

Download
memory/3772-114-0x0000000000000000-mapping.dmp

Download
memory/3772-118-0x0000000073FB0000-0x00000000740B4000-memory.dmp

Filesize
1.0MB

Download
memory/3772-117-0x0000000073FB0000-0x0000000073FBE000-memory.dmp

Filesize
56KB

Download
memory/3772-119-0x0000000000EC0000-0x0000000000F6E000-memory.dmp

Filesize
696KB

Download