gozi_ifsb | dff28a4e03d3df0f6a7d39a77dd7d6243bdc9117b0b0da3b280447184856f4df

Analysis

max time kernel
64s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
23-05-2021 15:06

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General

Target

9fcf3ab8703045032737668793f5563b.dll
Size

937KB
MD5

9fcf3ab8703045032737668793f5563b
SHA1

8d4db3886f332122eb430b04419d0befd0833107
SHA256

dff28a4e03d3df0f6a7d39a77dd7d6243bdc9117b0b0da3b280447184856f4df
SHA512

309cda81815d9c70555b978a4ba65e751f51df8b72f4352b9de37f20be55769321c34693f6c52598cae4cc8477ed6c07bd66ef030fa78202cbe19279416b3953

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 4656 wrote to memory of 4708	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4708	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4708	4656	rundll32.exe	rundll32.exe
PID 4708 wrote to memory of 4960	4708	rundll32.exe	cmd.exe
PID 4708 wrote to memory of 4960	4708	rundll32.exe	cmd.exe
PID 4708 wrote to memory of 4960	4708	rundll32.exe	cmd.exe
PID 4708 wrote to memory of 3436	4708	rundll32.exe	cmd.exe
PID 4708 wrote to memory of 3436	4708	rundll32.exe	cmd.exe
PID 4708 wrote to memory of 3436	4708	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fcf3ab8703045032737668793f5563b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fcf3ab8703045032737668793f5563b.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:4708

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:4960

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:3436

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3436-116-0x0000000000000000-mapping.dmp

Download
memory/4708-114-0x0000000000000000-mapping.dmp

Download
memory/4708-118-0x0000000073B50000-0x0000000073C54000-memory.dmp

Filesize
1.0MB

Download
memory/4708-117-0x0000000073B50000-0x0000000073B5E000-memory.dmp

Filesize
56KB

Download
memory/4708-119-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/4960-115-0x0000000000000000-mapping.dmp

Download