gozi_ifsb | 5a685fddf1cedd48e8e23eba045c916f2ebba8454abd79c212bb746039e5ff4d

Analysis

max time kernel
151s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2022, 03:38

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General

Target
5a685fddf1cedd48e8e23eba045c916f2ebba8454abd79c212bb746039e5ff4d.exe
Size 1.6MB
Sample220802-d7kn3aaegn
SHA256 5a685fddf1cedd48e8e23eba045c916f2ebba8454abd79c212bb746039e5ff4d
MD5 11abc79217eefe0227ce1435bcd55823
SHA1 35e00dc34fecd7dd4177cad3a38c0439c8f7b01a
SHA512 5f0762d757652761a4f1d0a4650f9beb50b2d9795c25db9f5fd0b1fec1f1d8b7a0f286a3411613d25ffd58ad9257079dce2d200fe5500f84e3e00a34f91af762
MD5 SHA1 SHA512

Score

10^/10

gozi_ifsb 3531 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Attributes

build
214107

Extracted

Family

gozi_ifsb

Botnet

3531

gmail.com
google.com
k55gaisi.com
leinwqoa.com
bon11ljgarry.com

Attributes

build
214107
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 10 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0081E2A4-1238-11ED-B78D-F25CF7E20607} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3688	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3688	iexplore.exe
3688	iexplore.exe
4692	IEXPLORE.EXE
4692	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4692	3688	iexplore.exe	94
PID 3688 wrote to memory of 4692	3688	iexplore.exe	94
PID 3688 wrote to memory of 4692	3688	iexplore.exe	94

C:\Users\Admin\AppData\Local\Temp\5a685fddf1cedd48e8e23eba045c916f2ebba8454abd79c212bb746039e5ff4d.exe
"C:\Users\Admin\AppData\Local\Temp\5a685fddf1cedd48e8e23eba045c916f2ebba8454abd79c212bb746039e5ff4d.exe"
1⤵
PID:1996

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
PID:5064

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:3688
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3688 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1996-131-0x0000000000BB0000-0x0000000000D57000-memory.dmp

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memory/1996-130-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

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memory/1996-132-0x00000000032D0000-0x00000000032DF000-memory.dmp

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memory/1996-138-0x0000000000BB0000-0x0000000000D57000-memory.dmp

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memory/1996-139-0x0000000000BB0000-0x0000000000D57000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads