gozi_ifsb | 5c428be510eee72712f41a9cd50292b5f45fcce039cca43c5f6238dab1d0021e | Triage

Resubmissions

04-02-2021 17:01

210204-xrtmp5vtf6 10

04-02-2021 15:50

210204-tkhxpx8dz2 10

02-02-2021 23:28

210202-3js6anf7f2 10

Analysis

max time kernel
41s
max time network
11s
platform
windows7_x64
resource
win7v20201028
submitted
04-02-2021 17:01

Sharing

Report Analysis Logs

General

Target

33.dll
Size

504KB
MD5

e3544f6cbe6b26af70c091ad6575a40f
SHA1

e4b6104981b735e2f1620fc27bb45fff539ee8ce
SHA256

5c428be510eee72712f41a9cd50292b5f45fcce039cca43c5f6238dab1d0021e
SHA512

7f4144351e84f9b6a746a682f2be72f9784ff14dcb9be1251c143bb73864aadb1621c29ece7ce86a25086bad35dfe9378a86c4393e582fb82029c3711df608ef

Score

10^/10

gozi_ifsb 3300 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

3300

C2

api10.laptok.at/api1

golang.feel500.at/api1

go.in100k.at/api1

Attributes

build
250171
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
exe_type
loader

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 7 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 1892	324	rundll32.exe	25
PID 324 wrote to memory of 1892	324	rundll32.exe	25
PID 324 wrote to memory of 1892	324	rundll32.exe	25
PID 324 wrote to memory of 1892	324	rundll32.exe	25
PID 324 wrote to memory of 1892	324	rundll32.exe	25
PID 324 wrote to memory of 1892	324	rundll32.exe	25
PID 324 wrote to memory of 1892	324	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\33.dll,#1
  2⤵
  PID:1892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1892-3-0x00000000766C1000-0x00000000766C3000-memory.dmp

Filesize
8KB

Download
memory/1892-4-0x00000000752C0000-0x00000000752CF000-memory.dmp

Filesize
60KB

Download
memory/1892-5-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download