Malware Analysis Report

2025-04-03 10:41

Sample ID 241105-ccyf1avkcl
Target 42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54
SHA256 42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54
Tags
redline romik discovery infostealer persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54

Threat Level: Known bad

The file 42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54 was found to be: Known bad.

Malicious Activity Summary

redline romik discovery infostealer persistence

RedLine

Redline family

RedLine payload

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-05 01:56

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-05 01:56

Reported

2024-11-05 02:00

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe"

Signatures

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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Redline family

redline

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3948 wrote to memory of 3504 N/A C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe
PID 3948 wrote to memory of 3504 N/A C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe
PID 3948 wrote to memory of 3504 N/A C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe
PID 3504 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe
PID 3504 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe
PID 3504 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe
PID 4848 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe
PID 4848 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe
PID 4848 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe

Processes

C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe

"C:\Users\Admin\AppData\Local\Temp\42446d3f1f28d14d2494a98807c9c2137823f8426e2a5d0d88bc878eeb411c54.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 193.233.20.12:4132 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
RU 193.233.20.12:4132 tcp
RU 193.233.20.12:4132 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhG61.exe

MD5 5f319088668812c15f0a7c4966516d2e
SHA1 3ec6aedd3459f009eb465a5412e88a4d9c419010
SHA256 24f63cf5be7c8b213c30e7c2af95b3596d02d4cfe1dcee7798f8ba0a16f8f47b
SHA512 780f3a373ba5cea978e8c0f45776923d6f2a34bc7edbf4cbe09d97528a687392ab9e97f8f8dbd539cac07547124ec42405e4ae43c6edae3a393ecc1da390a89f

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vbC50.exe

MD5 cce4d633ca1657f2011ec59d3b0919c3
SHA1 dad6a0e9b1859601e8956e8c6d9e81debb4e56fd
SHA256 af723ec81897207de4c342f83d040cc9b6d06ec4d45a8d11236435211d346636
SHA512 78df3659a96a9326409a4beb6e3bcc2f886c203782e5de4491edab02857207457497513644d00fb086619f54a4da860edd42a22d42a4a91c46af0b6d021dba71

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dCN02.exe

MD5 b58d808ae45fbac26df97d12df2cc4f2
SHA1 f6a486a5676cb556fade08c92c7bceacff09c670
SHA256 7043383d2630321f64a3bcfb573d957966e48d57e1d4a57a6e0c068a411314a5
SHA512 95adcd5d2f678b6310826537c0d37a6a687f2ba88cf47e41ea8a0f9a4c3d400583e1de40fb67751e1698eac11d8194430fd7a5944aba2b3fc7f803c17114d845

memory/3844-22-0x00000000029C0000-0x0000000002A06000-memory.dmp

memory/3844-23-0x0000000004EA0000-0x0000000005444000-memory.dmp

memory/3844-24-0x0000000005490000-0x00000000054D4000-memory.dmp

memory/3844-78-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-88-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-86-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-84-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-82-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-80-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-76-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-74-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-72-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-71-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-68-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-66-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-64-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-62-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-60-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-58-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-56-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-54-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-52-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-50-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-48-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-44-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-42-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-40-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-38-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-34-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-32-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-28-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-27-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-25-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-46-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-36-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-30-0x0000000005490000-0x00000000054CE000-memory.dmp

memory/3844-931-0x0000000005520000-0x0000000005B38000-memory.dmp

memory/3844-932-0x0000000005BC0000-0x0000000005CCA000-memory.dmp

memory/3844-933-0x0000000005D00000-0x0000000005D12000-memory.dmp

memory/3844-934-0x0000000005D20000-0x0000000005D5C000-memory.dmp

memory/3844-935-0x0000000005E70000-0x0000000005EBC000-memory.dmp