gozi_ifsb | df68cfc319e0788358d0d843faefddfb9103d8010696d729c64b6c2051520b24

Analysis

max time kernel
70s
max time network
53s
platform
windows7_x64
resource
win7v20210410
submitted
07-06-2021 20:07

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General

Target

foo.exe.dll
Size

937KB
MD5

69472b10d51de57775b06fdd0ea739b8
SHA1

04f880281e8f9882d1bad06d0882e70d3b126f1a
SHA256

df68cfc319e0788358d0d843faefddfb9103d8010696d729c64b6c2051520b24
SHA512

54e8824c99a3eef1379672a2ddc6ab007a79e69d24ad5e05551c1698b24256265f7cf76b04812ae005ab6562b30b85ed88b5bfbf105ff8d3215e33c6b0487681

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 15 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1140 wrote to memory of 1212	1140	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1172	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1172	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1172	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1172	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1736	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1736	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1736	1212	rundll32.exe	cmd.exe
PID 1212 wrote to memory of 1736	1212	rundll32.exe	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\foo.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\foo.exe.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1212

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:1172

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:1736

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1172-61-0x0000000000000000-mapping.dmp

Download
memory/1212-59-0x0000000000000000-mapping.dmp

Download
memory/1212-60-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1212-64-0x0000000074580000-0x0000000074684000-memory.dmp

Filesize
1.0MB

Download
memory/1212-63-0x0000000074580000-0x000000007458E000-memory.dmp

Filesize
56KB

Download
memory/1212-65-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1736-62-0x0000000000000000-mapping.dmp

Download