gozi_ifsb | b82a88b63e89ecdaa736b3b8a28d62db73854cb6f37bb32e4def2c76ce05ccd9

Analysis

max time kernel
77s
max time network
76s
platform
windows7_x64
resource
win7v20210410
submitted
25-05-2021 08:16

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General

Target

587debb584be50cb0aa0dd1f8cab3c7e.dll
Size

937KB
MD5

587debb584be50cb0aa0dd1f8cab3c7e
SHA1

b989c1dd5b247ddaa8e64566803972c991b878d4
SHA256

b82a88b63e89ecdaa736b3b8a28d62db73854cb6f37bb32e4def2c76ce05ccd9
SHA512

b920333fc7f00df62689e2fe5ad419b4c4511c8749b89ebd61b9a01355dee7cb50b04e708871065b562c8c3cd93dc5ca371eb85261c768a10ebb64b10cc4b5c0

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 15 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 1640 wrote to memory of 2040	1640	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 1456	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1456	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1456	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1456	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1924	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1924	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1924	2040	rundll32.exe	cmd.exe
PID 2040 wrote to memory of 1924	2040	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\587debb584be50cb0aa0dd1f8cab3c7e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\587debb584be50cb0aa0dd1f8cab3c7e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:1456

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:1924

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1456-61-0x0000000000000000-mapping.dmp

Download
memory/1924-62-0x0000000000000000-mapping.dmp

Download
memory/2040-59-0x0000000000000000-mapping.dmp

Download
memory/2040-60-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/2040-63-0x0000000074760000-0x000000007476E000-memory.dmp

Filesize
56KB

Download
memory/2040-64-0x0000000074760000-0x0000000074864000-memory.dmp

Filesize
1.0MB

Download
memory/2040-65-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download