Malware Analysis Report

2024-08-06 02:16

Sample ID 220525-aje7wscga6
Target b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a
SHA256 b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a
Tags
cryptone packer gozi_rm3 202004141 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

b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a

Threat Level: Known bad

The file b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a was found to be: Known bad.

Malicious Activity Summary

cryptone packer gozi_rm3 202004141 banker trojan

Gozi RM3

CryptOne packer

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

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 00:14

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-25 00:14

Reported

2022-05-25 00:18

Platform

win7-20220414-en

Max time kernel

81s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.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\GPU 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\LowRegistry\DOMStorage 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\Zoom 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\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\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\IETld\LowMic 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\{C07E6C50-DBD0-11EC-AE54-7EE61918B1DD} = "0" 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\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\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\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\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\Toolbar\WebBrowser 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
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
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
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 (data) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000 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 (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\Recovery\PendingRecovery 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
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
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 1984 wrote to memory of 1088 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1088 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1088 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1088 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1984 wrote to memory of 1536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.exe

"C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.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:1984 CREDAT:275457 /prefetch:2

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

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1984 CREDAT:275470 /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:924 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:1144 CREDAT:275457 /prefetch:2

Network

Country Destination Domain Proto
US 8.8.8.8:53 devicelease.xyz udp

Files

memory/1896-54-0x00000000765F1000-0x00000000765F3000-memory.dmp

memory/1896-55-0x0000000000220000-0x000000000022C000-memory.dmp

memory/1896-56-0x0000000000400000-0x00000000004E5000-memory.dmp

memory/1896-57-0x0000000000240000-0x0000000000251000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-25 00:14

Reported

2022-05-25 00:19

Platform

win10v2004-20220414-en

Max time kernel

93s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.exe"

Signatures

Gozi RM3

banker trojan gozi_rm3

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\SearchScopes C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E0FD415C-DBD0-11EC-AC67-F2EB97E7861D} = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" 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 3152 wrote to memory of 4224 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3152 wrote to memory of 4224 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3152 wrote to memory of 4224 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.exe

"C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.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:3152 CREDAT:17410 /prefetch:2

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

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3152 CREDAT:82950 /prefetch:2

Network

Country Destination Domain Proto
US 20.189.173.6:443 tcp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp
CH 173.222.108.226:80 tcp
US 204.79.197.203:80 tcp
NL 104.97.14.80:80 tcp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
US 204.79.197.200:443 ieonline.microsoft.com tcp
US 204.79.197.200:443 ieonline.microsoft.com tcp
US 8.8.8.8:53 a.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa udp
US 8.8.8.8:53 devicelease.xyz udp

Files

memory/740-131-0x0000000000400000-0x00000000004E5000-memory.dmp

memory/740-130-0x0000000002220000-0x000000000222C000-memory.dmp

memory/740-132-0x0000000002240000-0x0000000002251000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

MD5 3c94b790a4d3d3813b9804b360811c02
SHA1 9b42bca99be723330c45b22abb0698f77ef8077a
SHA256 7bc88a561babff736195edc916e12556d4a870e9dc94e649adff7d6859468d93
SHA512 594410b019fde2552e456bf87934eab332c73d5a1c73c3fac27886bb2c8f2b2c174acb0fa5f67b40a4b41339cff713b239eab680c6dd7aab00aacaf8e38538b8

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

MD5 883a2fcfe0329425614ad606c83254f2
SHA1 a330516697380a8b5cd74aa9db4b1afc5db7718b
SHA256 e169a2551e62fd14e0dbad6bba9fd100e5c0653cc5e8874fb47acbe702b7acbb
SHA512 6dfbe68bf5863f03b8095e41f7288852305cbac4c67ae141fbc4078c9fb7888e1c91467c4bcba44b652bfdabc1525467661b8cb5a315e8fa04e2838b45d2df5b