Malware Analysis Report

2024-08-06 02:17

Sample ID 220525-amfmtsgffm
Target 74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913
SHA256 74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913
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

74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913

Threat Level: Known bad

The file 74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913 was found to be: Known bad.

Malicious Activity Summary

cryptone packer gozi_rm3 202004141 banker trojan

Gozi RM3

CryptOne packer

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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 00:19

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 00:19

Reported

2022-05-25 00:24

Platform

win7-20220414-en

Max time kernel

55s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913.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\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
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
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\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\LowRegistry\DontShowMeThisDialogAgain 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\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
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\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\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 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\Recovery\AdminActive\{780C2B51-DBD1-11EC-87DB-66DE0394A5F7} = "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 (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\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\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 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 (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

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 1156 wrote to memory of 1240 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 1240 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 1240 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 1240 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 1156 wrote to memory of 536 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913.exe

"C:\Users\Admin\AppData\Local\Temp\74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913.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:1156 CREDAT:275457 /prefetch:2

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

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1156 CREDAT:472076 /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:1292 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:1708 CREDAT:275457 /prefetch:2

Network

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

Files

memory/1444-54-0x0000000076431000-0x0000000076433000-memory.dmp

memory/1444-55-0x0000000000220000-0x000000000022C000-memory.dmp

memory/1444-56-0x0000000000400000-0x00000000004E5000-memory.dmp

memory/1444-57-0x0000000000240000-0x0000000000251000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-25 00:19

Reported

2022-05-25 00:24

Platform

win10v2004-20220414-en

Max time kernel

30s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913.exe"

Signatures

Gozi RM3

banker trojan gozi_rm3

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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\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
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\Main\CompatibilityFlags = "0" 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\{76FCCC43-DBD1-11EC-B274-6A1EA45F0745} = "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
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

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 3584 wrote to memory of 3344 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3584 wrote to memory of 3344 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
PID 3584 wrote to memory of 3344 N/A C:\Program Files\Internet Explorer\iexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913.exe

"C:\Users\Admin\AppData\Local\Temp\74f31c7df9a18f4cd83f98eeb247095ad465866f418f7a412617d0916e23a913.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:3584 CREDAT:17410 /prefetch:2

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

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3584 CREDAT:82950 /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:3604 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:972 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:4436 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:4056 CREDAT:17410 /prefetch:2

Network

Country Destination Domain Proto
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp
US 104.208.16.90:443 tcp
US 8.8.8.8:53 devicelease.xyz udp
US 93.184.220.29:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp
US 52.152.108.96:443 tcp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp
US 8.8.8.8:53 15.89.54.20.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 devicelease.xyz 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 devicelease.xyz udp
US 8.8.8.8:53 devicelease.xyz udp

Files

memory/3280-130-0x0000000000640000-0x000000000064C000-memory.dmp

memory/3280-131-0x0000000000400000-0x00000000004E5000-memory.dmp

memory/3280-132-0x0000000000660000-0x0000000000671000-memory.dmp