gozi_ifsb | 36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4

General

Target
36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll
Size 308KB
Sample220320-ds5exsgabm
SHA256 36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4
MD5 5b2922162ea8506d525357c3d04bfe20
SHA1 e9209d1fb4331f916feae3f5a64eb6a09ea09e18
SHA512 eae2d1dedc79d31991b46639f737f0e46425fd4c1d8d899b640341d1cae4dac86f8052ff1d578bab76bba8fba5cc3678d58205fd5fa59870a30dc9445aa57d66
MD5 SHA1 SHA512

Score

10^/10

gozi_ifsb banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Attributes

build
250167

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DF6B4A30-A885-11EC-93A9-DE776D964FC9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2028	iexplore.exe
2028	iexplore.exe
788	IEXPLORE.EXE
788	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 1704 wrote to memory of 1636	1704	rundll32.exe	28
PID 2028 wrote to memory of 788	2028	iexplore.exe	33
PID 2028 wrote to memory of 788	2028	iexplore.exe	33
PID 2028 wrote to memory of 788	2028	iexplore.exe	33
PID 2028 wrote to memory of 788	2028	iexplore.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll,#1
  2⤵
  PID:1636

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1636-54-0x00000000750C1000-0x00000000750C3000-memory.dmp

Download

memory/1636-55-0x00000000000F0000-0x00000000000FC000-memory.dmp

Download

memory/1636-56-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/1636-57-0x00000000002A0000-0x00000000002A2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads