gozi_ifsb | 14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622

General

Target

14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622.dll
Size

208KB
MD5

b6843d8d4e88ed439d5c25658a6261d9
SHA1

cd7fa5e7d6c33cf7ecdf253ee28de668230cd228
SHA256

14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622
SHA512

913676ad69f5bb958700b156e8d24844cf3a8a654497ea54e36cc53e63a58a6f8c8da05e94c47e08cd2655de33127cf34771499b4ab4b0ced44e510065186732

Score

10^/10

gozi_ifsb 1111 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1111

C2

http://securemrc.ru

http://securecc.ru

http://roiboypo.ru

Attributes

build
217107
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com
ru
org
exe_type
loader
server_id
12

rsa_pubkey.plain

serpent.plain

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

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F44485D0-E2B8-11EC-9E63-4659A2147DF1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1148 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1148 iexplore.exe
1148 iexplore.exe
1724 IEXPLORE.EXE
1724 IEXPLORE.EXE

pid	process
1148	iexplore.exe

pid	process
1148	iexplore.exe
1148	iexplore.exe
1724	IEXPLORE.EXE
1724	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exeiexplore.exe

description	pid	process	target process
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1612	1664	rundll32.exe	rundll32.exe
PID 1148 wrote to memory of 1724	1148	iexplore.exe	IEXPLORE.EXE
PID 1148 wrote to memory of 1724	1148	iexplore.exe	IEXPLORE.EXE
PID 1148 wrote to memory of 1724	1148	iexplore.exe	IEXPLORE.EXE
PID 1148 wrote to memory of 1724	1148	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622.dll,#1
2⤵
PID:1612

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:1148

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1148 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1612-54-0x0000000000000000-mapping.dmp

Download
memory/1612-55-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1612-56-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/1612-59-0x0000000000680000-0x000000000068F000-memory.dmp

Filesize
60KB

Download
memory/1612-65-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download

Analysis

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