gozi_ifsb | 3fd290e335098184c8c2973272660f506c89f329a37cf590608863d002333386

Analysis

Target

ooutffff.dll
Size

339KB
MD5

3ee784b20a405a7b032728a7bcac456c
SHA1

d1b224481e428fc86e9c55e2ff138b30b5cfbfab
SHA256

3fd290e335098184c8c2973272660f506c89f329a37cf590608863d002333386
SHA512

7f5dd561e321b3787e65b478aab720ac8aeb95034567c3b942184b6f35f011474415ba5714488a968815a7351e0c44b129d686877392225a2aeca361aab7adac

Score

10^/10

Family

gozi_ifsb

Botnet

1500

atl.bigbigpoppa.com

pop.urlovedstuff.com

Attributes

rsa_pubkey.plain

aes.plain

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M1 (_2B)
suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M1 (_2B)
suricata
suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)
suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)
suricata
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 1756 rundll32.exe
8 1756 rundll32.exe

flow	pid	process
6	1756	rundll32.exe
8	1756	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 1756	2008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ooutffff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ooutffff.dll,#1
2⤵
- Blocklisted process makes network request
PID:1756

memory/1756-52-0x0000000000000000-mapping.dmp

Download
memory/1756-53-0x00000000761B1000-0x00000000761B3000-memory.dmp

Filesize
8KB

Download
memory/1756-54-0x0000000074D40000-0x0000000074D4E000-memory.dmp

Filesize
56KB

Download
memory/1756-55-0x0000000074D40000-0x0000000074DA8000-memory.dmp

Filesize
416KB

Download
memory/1756-56-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download