gozi_ifsb | ef78d1bc0863a7e939b37e2daefe96450cd44e207d52e8663030fb1780eea7ba

General

Target
ef78d1bc0863a7e939b37e2daefe96450cd44e207d52e8663030fb1780eea7ba.exe
Size 126KB
Sample220320-dypawsgab3
SHA256 ef78d1bc0863a7e939b37e2daefe96450cd44e207d52e8663030fb1780eea7ba
MD5 cbbc58e6c361cadbe803e2b5db17307e
SHA1 86764e2af88b290aa12669369d882a663a264c4d
SHA512 826d8ac99ccd75cd6fa95235ff2979e997d396e30a5ae81c9a7781a02c8560c9398bbda567edfc586d4a14244126cfde58c1f752d68b382bd5872f1337312a2a
MD5 SHA1 SHA512

Score

10^/10

gozi_ifsb 1051 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1051

C2

c.s-microsoft.com
ajax.googleapis.com
vlasdmkdmewnfjfnd.xyz

Attributes

build
250166
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
dns_servers
107.174.86.134

107.175.127.22
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 22 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\Recovery\AdminActive	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\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\GPU	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\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Internet Explorer\Zoom	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\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 (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\Recovery\AdminActive\{2A7CDE20-A882-11EC-9663-D62D82028222} = "0"	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\IntelliForms	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	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\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\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1204	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1204	iexplore.exe
1204	iexplore.exe
1800	IEXPLORE.EXE
1800	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1800	1204	iexplore.exe	32
PID 1204 wrote to memory of 1800	1204	iexplore.exe	32
PID 1204 wrote to memory of 1800	1204	iexplore.exe	32
PID 1204 wrote to memory of 1800	1204	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\ef78d1bc0863a7e939b37e2daefe96450cd44e207d52e8663030fb1780eea7ba.exe
"C:\Users\Admin\AppData\Local\Temp\ef78d1bc0863a7e939b37e2daefe96450cd44e207d52e8663030fb1780eea7ba.exe"
1⤵
PID:1752

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:1204
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1204 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1800

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/1752-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

Download

memory/1752-55-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/1752-56-0x00000000002A0000-0x00000000002A1000-memory.dmp

Download

memory/1752-57-0x00000000002E0000-0x00000000002EF000-memory.dmp

Download

memory/1752-58-0x0000000001DB0000-0x0000000001DB2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads