gozi_ifsb | b82a88b63e89ecdaa736b3b8a28d62db73854cb6f37bb32e4def2c76ce05ccd9

Analysis

max time kernel
91s
max time network
110s
platform
windows10_x64
resource
win10v20210410
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 9 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2016 wrote to memory of 3220	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 3220	2016	rundll32.exe	rundll32.exe
PID 2016 wrote to memory of 3220	2016	rundll32.exe	rundll32.exe
PID 3220 wrote to memory of 1432	3220	rundll32.exe	cmd.exe
PID 3220 wrote to memory of 1432	3220	rundll32.exe	cmd.exe
PID 3220 wrote to memory of 1432	3220	rundll32.exe	cmd.exe
PID 3220 wrote to memory of 2732	3220	rundll32.exe	cmd.exe
PID 3220 wrote to memory of 2732	3220	rundll32.exe	cmd.exe
PID 3220 wrote to memory of 2732	3220	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:2016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\587debb584be50cb0aa0dd1f8cab3c7e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3220

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:1432

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:2732

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1432-115-0x0000000000000000-mapping.dmp

Download
memory/2732-116-0x0000000000000000-mapping.dmp

Download
memory/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-117-0x00000000739C0000-0x00000000739CE000-memory.dmp

Filesize
56KB

Download
memory/3220-118-0x00000000739C0000-0x0000000073AC4000-memory.dmp

Filesize
1.0MB

Download
memory/3220-119-0x0000000003000000-0x000000000314A000-memory.dmp

Filesize
1.3MB

Download