gozi_ifsb | c7ba05674f44747d5685f36313fc0a77bc5afea3035fa0d14ee2f4dbfbcbff5c | Triage

Analysis

max time kernel
24s
max time network
114s
platform
windows10_x64
resource
win10v20210408
submitted
23-06-2021 17:47

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General

Target

textual.dll
Size

590KB
MD5

f1daeecad06895db6b2c94f7eb1028a1
SHA1

12713fcec29130f2baefac245b30b4686ed7bb9b
SHA256

c7ba05674f44747d5685f36313fc0a77bc5afea3035fa0d14ee2f4dbfbcbff5c
SHA512

b0e17110cc4749e15b5659aa6aa542286c9617ae291f5666b48131ad73fc4e6de1e61d4a4a8b163093ff41d3ec8ea05bb491bac17e20d9a0574acd912e44d6c0

Score

10^/10

gozi_ifsb 4500 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

authd.feronok.com

app.bighomegl.at

Attributes

build
250204
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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 856 wrote to memory of 1320	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1320	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1320	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\textual.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\textual.dll,#1
2⤵
PID:1320

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1320-114-0x0000000000000000-mapping.dmp

Download
memory/1320-115-0x0000000073E50000-0x0000000073E5D000-memory.dmp

Filesize
52KB

Download
memory/1320-116-0x0000000073E50000-0x0000000073F7C000-memory.dmp

Filesize
1.2MB

Download
memory/1320-117-0x0000000003710000-0x0000000003733000-memory.dmp

Filesize
140KB

Download