Malware Analysis Report

2024-08-06 02:17

Sample ID 220525-ahhxdscfg4
Target 0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f
SHA256 0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f
Tags
gozi_rm3 90020242 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f

Threat Level: Known bad

The file 0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f was found to be: Known bad.

Malicious Activity Summary

gozi_rm3 90020242 banker trojan

Gozi RM3

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

MITRE ATT&CK Matrix V6

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040

Analysis: static1

Detonation Overview

Reported

2022-05-25 00:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-25 00:12

Reported

2022-05-25 00:17

Platform

win7-20220414-en

Max time kernel

91s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f.exe"

Signatures

Gozi RM3

banker trojan gozi_rm3

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Zoom C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9631CF51-DBD0-11EC-8154-6AE9FCDE30C7} = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MINIE C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IETld\LowMic C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000358f16e0538341458b70f68dad1eafd400000000020000000000106600000001000020000000af7d97093daa13136b2ed46937a64f525b9a93f7a8b171d2fb91cc34480ab8ef000000000e80000000020000200000001885746c58dafcdb897663b01270c54aa4afc8f36c2b52ff5f389d23fa4cebc3200000009339d04e8423bcefc98012a0e71a22e1ed9c16c8e8526bf90650516872145bbe400000008b40d96c4d377cb34dd08209efc6476a45004bddd38e13893f799cccfa8951a785eea6674c64438c15e7d56e2a9a5831683c5b7dac5dd04f9c28ca1cf84f5487 C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\PageSetup C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0861b81dd6fd801 C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\IntelliForms C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\GPU C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A
N/A N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
N/A N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1832 wrote to memory of 2036 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1832 wrote to memory of 2036 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1832 wrote to memory of 2036 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1832 wrote to memory of 2036 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f.exe

"C:\Users\Admin\AppData\Local\Temp\0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f.exe"

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1832 CREDAT:275457 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:880 CREDAT:275457 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:272 CREDAT:275457 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:692 CREDAT:275457 /prefetch:2

Network

Country Destination Domain Proto
US 8.8.8.8:53 vrhgroups.xyz udp
US 204.79.197.200:443 ieonline.microsoft.com tcp

Files

memory/1708-54-0x0000000075A61000-0x0000000075A63000-memory.dmp

memory/1708-56-0x0000000000400000-0x000000000049B000-memory.dmp

memory/1708-55-0x0000000000220000-0x0000000000248000-memory.dmp

memory/1708-57-0x0000000000300000-0x0000000000316000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-25 00:12

Reported

2022-05-25 00:18

Platform

win10v2004-20220414-en

Max time kernel

32s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f.exe"

Signatures

Gozi RM3

banker trojan gozi_rm3

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9B63E114-DBD0-11EC-B274-FA9902833152} = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A
N/A N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
N/A N/A C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3164 wrote to memory of 3192 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3164 wrote to memory of 3192 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3164 wrote to memory of 3192 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f.exe

"C:\Users\Admin\AppData\Local\Temp\0c2fdd1cf54726053f476f0a622516296f74d05080cba267d299fe88aa95d96f.exe"

C:\Program Files (x86)\Internet Explorer\ielowutil.exe

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

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3164 CREDAT:17410 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:256 CREDAT:17410 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3064 CREDAT:17410 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2644 CREDAT:17410 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1552 CREDAT:17410 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1160 CREDAT:17410 /prefetch:2

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:528 CREDAT:17410 /prefetch:2

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 52.168.117.170:443 tcp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp
US 8.8.8.8:53 vrhgroups.xyz udp

Files

memory/1860-131-0x0000000000400000-0x000000000049B000-memory.dmp

memory/1860-130-0x00000000021E0000-0x0000000002208000-memory.dmp

memory/1860-132-0x0000000002240000-0x0000000002256000-memory.dmp