gozi_rm3 | fa1e6c7d4a3676ae48c3c9abc0c722ea3d0e8909b6c87a719c66abe060700a0c

General

Target

fa1e6c7d4a3676ae48c3c9abc0c722ea3d0e8909b6c87a719c66abe060700a0c.exe
Size

908KB
MD5

c5ad5269856c82f77eb1ed108cfff12c
SHA1

0beb8f0daa93077fadb93454de6f8e70244c0055
SHA256

fa1e6c7d4a3676ae48c3c9abc0c722ea3d0e8909b6c87a719c66abe060700a0c
SHA512

1f944392f4de053d5981173331e240ab2caf0a6fcfa5cc7f793098ad34f65097d176d1b59d5537d7c2a262bc7a6c17cd575c4810d587feaf4c217e8d8f735890

Score

10^/10

gozi_rm3 banker trojan

Malware Config

Extracted

Family

gozi_rm3

Attributes

build
300854

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

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5549ECF1-DBD2-11EC-83E2-D637792D7258} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1996 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1996 iexplore.exe
1996 iexplore.exe
1740 IEXPLORE.EXE
1740 IEXPLORE.EXE

pid	process
1996	iexplore.exe

pid	process
1996	iexplore.exe
1996	iexplore.exe
1740	IEXPLORE.EXE
1740	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 1996 wrote to memory of 1740	1996	iexplore.exe	IEXPLORE.EXE
PID 1996 wrote to memory of 1740	1996	iexplore.exe	IEXPLORE.EXE
PID 1996 wrote to memory of 1740	1996	iexplore.exe	IEXPLORE.EXE
PID 1996 wrote to memory of 1740	1996	iexplore.exe	IEXPLORE.EXE
PID 1996 wrote to memory of 1616	1996	iexplore.exe	IEXPLORE.EXE
PID 1996 wrote to memory of 1616	1996	iexplore.exe	IEXPLORE.EXE
PID 1996 wrote to memory of 1616	1996	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\fa1e6c7d4a3676ae48c3c9abc0c722ea3d0e8909b6c87a719c66abe060700a0c.exe
"C:\Users\Admin\AppData\Local\Temp\fa1e6c7d4a3676ae48c3c9abc0c722ea3d0e8909b6c87a719c66abe060700a0c.exe"
1⤵
PID:760

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⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1740

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1996 CREDAT:275465 /prefetch:2
2⤵
PID:1616

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:1584

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1584 CREDAT:275457 /prefetch:2
2⤵
PID:1896

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\IIBF961D.txt
Filesize
600B

MD5
2e77e5a33950ccbee7736e86fd418f1d

SHA1
f925ed4261741b087129445d524265194b99fb1e

SHA256
a697968ab1ed57a23123fa06c4c6b56298b10a7d89da53e68ebcc903a9796093

SHA512
004f31fb083709570a555646bc1a312cf4fbe7df5d4af3954030065dc34dbfff7205374ca0d583970053b10c5d1ce1c303e5876440662ab24b1681502383c2a8

Download Submit
memory/760-54-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/760-56-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/760-55-0x00000000003A0000-0x00000000003AC000-memory.dmp

Filesize
48KB

Download
memory/760-57-0x00000000003C0000-0x00000000003D1000-memory.dmp

Filesize
68KB

Download

Analysis

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