gozi_ifsb | d480f7ac9137faddd5a38d6afd6d5127651ae0d4a2b2a8de8243830323e166b6

Analysis

max time kernel
68s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 08:03

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General

Target

e9d755ac4aa548ba194acf65b05994f4.dll
Size

937KB
MD5

e9d755ac4aa548ba194acf65b05994f4
SHA1

4850ebf11ddaa1e881d18c347f4a6829cefffa25
SHA256

d480f7ac9137faddd5a38d6afd6d5127651ae0d4a2b2a8de8243830323e166b6
SHA512

2a74aa38fab6e6d67f410470c447cf596f4c447dfcfe3f7ca4f6e12a5e6dd6cbbb67dbf474aeede37c45e6ee5f7420d3c76ba11409ad2253986ec9eabd928cad

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 908 wrote to memory of 1184	908	rundll32.exe	rundll32.exe
PID 908 wrote to memory of 1184	908	rundll32.exe	rundll32.exe
PID 908 wrote to memory of 1184	908	rundll32.exe	rundll32.exe
PID 1184 wrote to memory of 3880	1184	rundll32.exe	cmd.exe
PID 1184 wrote to memory of 3880	1184	rundll32.exe	cmd.exe
PID 1184 wrote to memory of 3880	1184	rundll32.exe	cmd.exe
PID 1184 wrote to memory of 3856	1184	rundll32.exe	cmd.exe
PID 1184 wrote to memory of 3856	1184	rundll32.exe	cmd.exe
PID 1184 wrote to memory of 3856	1184	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e9d755ac4aa548ba194acf65b05994f4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e9d755ac4aa548ba194acf65b05994f4.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:3880

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:3856

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1184-114-0x0000000000000000-mapping.dmp

Download
memory/1184-118-0x0000000074080000-0x0000000074184000-memory.dmp

Filesize
1.0MB

Download
memory/1184-117-0x0000000074080000-0x000000007408E000-memory.dmp

Filesize
56KB

Download
memory/1184-119-0x0000000002CF0000-0x0000000002E3A000-memory.dmp

Filesize
1.3MB

Download
memory/3856-116-0x0000000000000000-mapping.dmp

Download
memory/3880-115-0x0000000000000000-mapping.dmp

Download