gozi_rm3 | be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2

Resubmissions

18-03-2021 22:02

210318-wg14eesjje 10

13-11-2020 10:22

201113-ycmfkdqrdn 10

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7v20201028
submitted
18-03-2021 22:02

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General

Target

be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2.dll
Size

136KB
MD5

fe590fd117449bce4bfad57d36bfc099
SHA1

a5c3d7738ebc1f1ce8353e135b8dcea17155077b
SHA256

be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2
SHA512

f8e39f1e83dd666fff67161864c75057a0f6b4ad1692f0013f0aef47d69ed350662f0784555a72fcdb34bb5937371c7d75010639d5ae31c32d7383ee10a6605b

Score

10^/10

gozi_rm3 2020109324 banker trojan

Malware Config

Extracted

Family

gozi_rm3

Botnet

2020109324

https://bonderlas.xyz

Attributes

build
300932
exe_type
loader
non_target_locale
RU
server_id
12
url_path
index.htm

rsa_pubkey.base64

serpent.plain

Signatures

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

Modifies Internet Explorer settings 1 TTPs 64 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C0518F21-883D-11EB-BFFB-DE8B8BF990D6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d6a8941981492e4587ecf86acdf44d9900000000020000000000106600000001000020000000425336183af7657cd515637fa577741127c36fd509c311545ed4434b6068df87000000000e8000000002000020000000ece24d2b84215bed5b624bb7de8e15ed9939af4ef536125d6fcd7202898bd18720000000111209ae4ee9f52f4f7e6ea5ef0f83835721f69d84fe9c3be0cddfe621093c9e40000000d01e2c3ea312721df46007bc457a1cca0222d5fff2ef047004b9bd10bf7eb1f2e39725015acc8dccf002387ca0ed451c2757bd6d63d8d20e1e8dfd19aaf1aafc	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E568DC01-883D-11EB-BFFB-DE8B8BF990D6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A3C5D1E1-883D-11EB-BFFB-DE8B8BF990D6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1996	iexplore.exe
1784	iexplore.exe
1096	iexplore.exe
1764	iexplore.exe
464	iexplore.exe

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
1996	iexplore.exe
1996	iexplore.exe
544	IEXPLORE.EXE
544	IEXPLORE.EXE
1784	iexplore.exe
1784	iexplore.exe
1588	IEXPLORE.EXE
1588	IEXPLORE.EXE
1096	iexplore.exe
1096	iexplore.exe
1992	IEXPLORE.EXE
1992	IEXPLORE.EXE
1764	iexplore.exe
1764	iexplore.exe
1944	IEXPLORE.EXE
1944	IEXPLORE.EXE
464	iexplore.exe
464	iexplore.exe
1444	IEXPLORE.EXE
1444	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 548 wrote to memory of 884	548	rundll32.exe	25
PID 1996 wrote to memory of 544	1996	iexplore.exe	35
PID 1996 wrote to memory of 544	1996	iexplore.exe	35
PID 1996 wrote to memory of 544	1996	iexplore.exe	35
PID 1996 wrote to memory of 544	1996	iexplore.exe	35
PID 1784 wrote to memory of 1588	1784	iexplore.exe	38
PID 1784 wrote to memory of 1588	1784	iexplore.exe	38
PID 1784 wrote to memory of 1588	1784	iexplore.exe	38
PID 1784 wrote to memory of 1588	1784	iexplore.exe	38
PID 1096 wrote to memory of 1992	1096	iexplore.exe	41
PID 1096 wrote to memory of 1992	1096	iexplore.exe	41
PID 1096 wrote to memory of 1992	1096	iexplore.exe	41
PID 1096 wrote to memory of 1992	1096	iexplore.exe	41
PID 1764 wrote to memory of 1944	1764	iexplore.exe	44
PID 1764 wrote to memory of 1944	1764	iexplore.exe	44
PID 1764 wrote to memory of 1944	1764	iexplore.exe	44
PID 1764 wrote to memory of 1944	1764	iexplore.exe	44
PID 464 wrote to memory of 1444	464	iexplore.exe	47
PID 464 wrote to memory of 1444	464	iexplore.exe	47
PID 464 wrote to memory of 1444	464	iexplore.exe	47
PID 464 wrote to memory of 1444	464	iexplore.exe	47

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be294b6faca17e762d1722ea1e447a3ad3a57b4c110cfe8ff515e3d2047c5ad2.dll,#1
  2⤵
  PID:884

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:1996
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1996 CREDAT:275457 /prefetch:2
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:544

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:1784
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1784 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1588

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:1096
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1096 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1992

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:1764
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1764 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1944

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:464
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:464 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1444

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

Replay Monitor

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Downloads

memory/724-7-0x000007FEF8800000-0x000007FEF8A7A000-memory.dmp

Filesize
2.5MB

Download
memory/884-6-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/884-5-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/884-4-0x0000000000170000-0x0000000000182000-memory.dmp

Filesize
72KB

Download
memory/884-3-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download
memory/884-10-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/1096-12-0x000007FEFC2A1000-0x000007FEFC2A3000-memory.dmp

Filesize
8KB

Download