gozi_ifsb | 075ad31d8864e79876674c468a4a0f381ab9ce29559db21aad32e10ba8216fa1 | Triage

Analysis

max time kernel
150s
max time network
92s
platform
windows7_x64
resource
win7v20201028
submitted
12-03-2021 10:29

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General

Target

kybe4.dll
Size

563KB
MD5

31a9651f386ed20b3dd3bda2d6177cca
SHA1

92fb6d44f25339ae1f12c0a57071685b37d2f823
SHA256

075ad31d8864e79876674c468a4a0f381ab9ce29559db21aad32e10ba8216fa1
SHA512

bd916da067cc36300f303397e274802d3cc11524d7b0b3ab547bd737cf75d5c8cb67f273b1958220296200d5b08a8675bb4d305896f1811a8110f49df923b9c9

Score

10^/10

gozi_ifsb 5500 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

5500

C2

windows.update.com

shop.microsoft.com

fraloopilo.xyz

paladingrazz.xyz

Attributes

build
250177
dga_season
10
exe_type
loader
server_id
12

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:

regsvr32.exe

description	pid	process	target process
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe
PID 528 wrote to memory of 1904	528	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\kybe4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\kybe4.dll
2⤵
PID:1904

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/528-2-0x000007FEFC3C1000-0x000007FEFC3C3000-memory.dmp

Filesize
8KB

Download
memory/1904-3-0x0000000000000000-mapping.dmp

Download
memory/1904-4-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1904-5-0x0000000074F60000-0x0000000074F6F000-memory.dmp

Filesize
60KB

Download
memory/1904-6-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download