Malware Analysis Report

2024-12-07 04:11

Sample ID 241110-3tsvysxfmn
Target cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea
SHA256 cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea
Tags
healer redline ruma discovery dropper evasion infostealer persistence trojan
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

cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea

Threat Level: Known bad

The file cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea was found to be: Known bad.

Malicious Activity Summary

healer redline ruma discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer

Redline family

Modifies Windows Defender Real-time Protection settings

Healer family

RedLine payload

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 23:48

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 23:48

Reported

2024-11-10 23:51

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
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Healer

dropper healer

Healer family

healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A

RedLine

infostealer redline

RedLine payload

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Redline family

redline

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
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\cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea.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\nmB30uX84.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\cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmB30uX84.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euK77HG.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euK77HG.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea.exe

"C:\Users\Admin\AppData\Local\Temp\cb7f3e96914398fe17e71c00abfccc878f24a91518cdb8d24f224e3ae30762ea.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmB30uX84.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmB30uX84.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euK77HG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euK77HG.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmB30uX84.exe

MD5 1edf490eb2d7d168740eac4c25876da8
SHA1 2befec1e270afb97cf109f7a045d281e6f641212
SHA256 3e7709344b291ac8bbb355a51d567e3afad4e627123f4065d0b8ffda190b8124
SHA512 fff24a1c3e36ed01f086adb9bb4f423825828690b89494f482bd41ec7f2d2e5747a02da08b016e17d1ffe4d85237e9209efbd54505a21e6e090245de558e8006

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTA50qX.exe

MD5 7e93bacbbc33e6652e147e7fe07572a0
SHA1 421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256 850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512 250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

memory/3460-14-0x00007FFD7F203000-0x00007FFD7F205000-memory.dmp

memory/3460-15-0x00000000009A0000-0x00000000009AA000-memory.dmp

memory/3460-16-0x00007FFD7F203000-0x00007FFD7F205000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euK77HG.exe

MD5 307ca87e8a6d0b42019692dc1e3e2da7
SHA1 ba40c930dcf3b45abd87850385aa8a4909b25e26
SHA256 7b72e624d366e91e449e1e1a693cdf10099b98bb2897e00f4719ae8358a9f3d4
SHA512 76706365e74790ce7a8e1724e142c1ee3915993b787c9943756ca44d8222ec19f94b845028143ce2e406e7196d9c51ced25aaf9eac4ecee4e76ce97b3519a4d5

memory/3996-22-0x00000000025A0000-0x00000000025E6000-memory.dmp

memory/3996-23-0x0000000004D70000-0x0000000005314000-memory.dmp

memory/3996-24-0x0000000002770000-0x00000000027B4000-memory.dmp

memory/3996-62-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-68-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-88-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-86-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-84-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-80-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-78-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-76-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-74-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-72-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-70-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-66-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-64-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-60-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-59-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-56-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-54-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-53-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-50-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-48-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-47-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-44-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-42-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-41-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-38-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-36-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-35-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-32-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-30-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-29-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-82-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-26-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-25-0x0000000002770000-0x00000000027AE000-memory.dmp

memory/3996-931-0x0000000005320000-0x0000000005938000-memory.dmp

memory/3996-932-0x0000000005940000-0x0000000005A4A000-memory.dmp

memory/3996-933-0x0000000004D10000-0x0000000004D22000-memory.dmp

memory/3996-934-0x0000000005A50000-0x0000000005A8C000-memory.dmp

memory/3996-935-0x0000000005B90000-0x0000000005BDC000-memory.dmp