gozi_ifsb | 0ec847dec15446cec4d80a76bd4eb7ea49033ae5dfc05a19500dae395e0e93fd

Resubmissions

24-05-2021 16:20

210524-h5smzj86nn 10

24-05-2021 06:39

210524-etna91kdaj 10

Analysis

max time kernel
119s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
24-05-2021 06:39

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General

Target

526b7faa3b330ec7390cfd501504e7ec.dll
Size

937KB
MD5

526b7faa3b330ec7390cfd501504e7ec
SHA1

864503c8df4e15c76cab6441ebe3ecee721ab0be
SHA256

0ec847dec15446cec4d80a76bd4eb7ea49033ae5dfc05a19500dae395e0e93fd
SHA512

7a093fbda59dd25eba951115d95a8328fe68aa6c647eb4ed7a054f76322783eb2c86cfaf1071ebe308e8aee39a4aded454b2ef4c5dbd0263723213347c8e485d

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 2116 wrote to memory of 2556	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 2556	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 2556	2116	rundll32.exe	rundll32.exe
PID 2556 wrote to memory of 1220	2556	rundll32.exe	cmd.exe
PID 2556 wrote to memory of 1220	2556	rundll32.exe	cmd.exe
PID 2556 wrote to memory of 1220	2556	rundll32.exe	cmd.exe
PID 2556 wrote to memory of 1888	2556	rundll32.exe	cmd.exe
PID 2556 wrote to memory of 1888	2556	rundll32.exe	cmd.exe
PID 2556 wrote to memory of 1888	2556	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\526b7faa3b330ec7390cfd501504e7ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\526b7faa3b330ec7390cfd501504e7ec.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:1220

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:1888

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1220-115-0x0000000000000000-mapping.dmp

Download
memory/1888-116-0x0000000000000000-mapping.dmp

Download
memory/2556-114-0x0000000000000000-mapping.dmp

Download
memory/2556-118-0x0000000074340000-0x0000000074444000-memory.dmp

Filesize
1.0MB

Download
memory/2556-117-0x0000000074340000-0x000000007434E000-memory.dmp

Filesize
56KB

Download
memory/2556-119-0x0000000002E30000-0x0000000002E31000-memory.dmp

Filesize
4KB

Download