gozi_ifsb | a58f423a00ca933ae2898803bd1b3a07a2cd76ef1aa0d5de69905d80a096874c | Triage

Analysis

max time kernel
69s
max time network
37s
platform
windows7_x64
resource
win7v20210408
submitted
21-06-2021 20:05

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General

Target

boxMain.jpg.dll
Size

306KB
MD5

98d030eeefc3536d68ccb9ae3a2d1502
SHA1

9f7d95691e0116f7c0d0f222de2149b073ef6cb6
SHA256

a58f423a00ca933ae2898803bd1b3a07a2cd76ef1aa0d5de69905d80a096874c
SHA512

bbfbd2525c24a5c0474d001f61edabed1ff05f83fb574eb16790e36298da80d8a56d10f28582340f438a3483d232a4efd19055b687fc773aef25856148c2ba52

Score

10^/10

gozi_ifsb 6000 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

6000

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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe
PID 684 wrote to memory of 1928	684	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\boxMain.jpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\boxMain.jpg.dll,#1
2⤵
PID:1928

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1928-59-0x0000000000000000-mapping.dmp

Download
memory/1928-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/1928-62-0x0000000074820000-0x000000007490A000-memory.dmp

Filesize
936KB

Download
memory/1928-61-0x0000000074820000-0x000000007482D000-memory.dmp

Filesize
52KB

Download
memory/1928-63-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download