gozi_ifsb | 8310099f46b3760c683efe9aa247bfaa27334249e8375ddb9e45ee805a47857c

General

Target

93e1f6a018dfd87a6235c247af3a5070.dll
Size

937KB
MD5

93e1f6a018dfd87a6235c247af3a5070
SHA1

642f459b8d535e9acb02160a124c2ec17b2717db
SHA256

8310099f46b3760c683efe9aa247bfaa27334249e8375ddb9e45ee805a47857c
SHA512

01f03aafe353954b05fc5a0ac58fe859c45c7d8238f687b3babc434b869a1c09e52bfbbd01c87e08295562fcf705007cb4c13f6475009acbd80194e2f1c752a4

Score

10^/10

gozi_ifsb 4500 banker trojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

Attributes

build
250188
exe_type
loader
server_id
580

rsa_pubkey.base64

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 12 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D8C7D629-ADBB-11EB-B2DB-E6C57AC66A15} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2140 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2140 iexplore.exe
2140 iexplore.exe
2300 IEXPLORE.EXE
2300 IEXPLORE.EXE

pid	process
2140	iexplore.exe

pid	process
2140	iexplore.exe
2140	iexplore.exe
2300	IEXPLORE.EXE
2300	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

rundll32.exerundll32.exeiexplore.exe

description	pid	process	target process
PID 796 wrote to memory of 1404	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1404	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1404	796	rundll32.exe	rundll32.exe
PID 1404 wrote to memory of 3596	1404	rundll32.exe	cmd.exe
PID 1404 wrote to memory of 3596	1404	rundll32.exe	cmd.exe
PID 1404 wrote to memory of 3596	1404	rundll32.exe	cmd.exe
PID 1404 wrote to memory of 412	1404	rundll32.exe	cmd.exe
PID 1404 wrote to memory of 412	1404	rundll32.exe	cmd.exe
PID 1404 wrote to memory of 412	1404	rundll32.exe	cmd.exe
PID 2140 wrote to memory of 2300	2140	iexplore.exe	IEXPLORE.EXE
PID 2140 wrote to memory of 2300	2140	iexplore.exe	IEXPLORE.EXE
PID 2140 wrote to memory of 2300	2140	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\93e1f6a018dfd87a6235c247af3a5070.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\93e1f6a018dfd87a6235c247af3a5070.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Island
3⤵
PID:3596

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cd Matter m
3⤵
PID:412

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:2140

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2140 CREDAT:82945 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2300

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

Replay Monitor

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Downloads

memory/412-116-0x0000000000000000-mapping.dmp

Download
memory/1404-114-0x0000000000000000-mapping.dmp

Download
memory/1404-118-0x00000000735F0000-0x00000000736F4000-memory.dmp

Filesize
1.0MB

Download
memory/1404-117-0x00000000735F0000-0x00000000735FE000-memory.dmp

Filesize
56KB

Download
memory/1404-119-0x0000000002E80000-0x0000000002FCA000-memory.dmp

Filesize
1.3MB

Download
memory/2140-121-0x00007FFADE4D0000-0x00007FFADE53B000-memory.dmp

Filesize
428KB

Download
memory/2300-122-0x0000000000000000-mapping.dmp

Download
memory/3596-115-0x0000000000000000-mapping.dmp

Download

Analysis

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