gozi_rm3 | 95cd5f1da7b6fed4a0726cb20d7af38689c01f08ce3786b6df5f418f13d23a49

General

Target

95cd5f1da7b6fed4a0726cb20d7af38689c01f08ce3786b6df5f418f13d23a49.exe
Size

618KB
MD5

5eff1f97d52b0ef64ab86c15088c8031
SHA1

78b8b9bfecb69fc505dacce0c33678521ec4c4d6
SHA256

95cd5f1da7b6fed4a0726cb20d7af38689c01f08ce3786b6df5f418f13d23a49
SHA512

a99f4f7bbdb05b4e71da9a52680a074ea1b31b8bec216d34c707dc266f5fb71e6c8a5f68a8f3b1f44dfba89184edc3a189f47b5abbe9e8ca27e5ea80cfefd358

Score

10^/10

gozi_rm3 90020242 banker trojan

Malware Config

Extracted

Family

gozi_rm3

Attributes

build
300900

Extracted

Family

gozi_rm3

Botnet

90020242

C2

https://vrhgroups.xyz

Attributes

build
300900
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
exe_type
loader
server_id
12
url_path
index.htm

rsa_pubkey.plain

serpent.plain

Signatures

Gozi RM3
A heavily modified version of Gozi using RM3 loader.
banker trojan gozi_rm3

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7ABF63B0-DBBA-11EC-B0ED-C2F2D41BD72F} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1776	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1776	iexplore.exe
1776	iexplore.exe
1464	IEXPLORE.EXE
1464	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1464	1776	iexplore.exe	32
PID 1776 wrote to memory of 1464	1776	iexplore.exe	32
PID 1776 wrote to memory of 1464	1776	iexplore.exe	32
PID 1776 wrote to memory of 1464	1776	iexplore.exe	32

C:\Users\Admin\AppData\Local\Temp\95cd5f1da7b6fed4a0726cb20d7af38689c01f08ce3786b6df5f418f13d23a49.exe
"C:\Users\Admin\AppData\Local\Temp\95cd5f1da7b6fed4a0726cb20d7af38689c01f08ce3786b6df5f418f13d23a49.exe"
1⤵
PID:1596

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:1776
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1776 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1464

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:1736
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1736 CREDAT:275457 /prefetch:2
  2⤵
  PID:1592

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/1596-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1596-56-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1596-55-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/1596-57-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads