Malware Analysis Report

2024-12-07 04:02

Sample ID 241113-r84p8athkj
Target 8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.exe
SHA256 8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37
Tags
healer redline rumfa 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

8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37

Threat Level: Known bad

The file 8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline rumfa discovery dropper evasion infostealer persistence trojan

RedLine payload

Redline family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

Healer

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 14:52

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:52

Reported

2024-11-13 14:54

Platform

win10v2004-20241007-en

Max time kernel

116s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.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\buRZ71qY04.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\buRZ71qY04.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\buRZ71qY04.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\buRZ71qY04.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\buRZ71qY04.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_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\plDT85Sd99.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\8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.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\IXP001.TMP\cakv67tp16.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plDT85Sd99.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cakv67tp16.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.exe

"C:\Users\Admin\AppData\Local\Temp\8600d44b12e7f76e98e7637da82533b076e7155ca3e09de1c9abd0bb89a8df37N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plDT85Sd99.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plDT85Sd99.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cakv67tp16.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cakv67tp16.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
RU 193.233.20.24:4123 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plDT85Sd99.exe

MD5 343df393b642dff25e128be44eae6b97
SHA1 7271b08e1c677a904e99aa5915b25f4ece4c5bfd
SHA256 05848d44ffbf9458b5940bb17f80eb6b2d8fddd1ead52e27957c67b8de4c3072
SHA512 e60d701128fe501e718960432d62e5d778acab6242356606e6c085d60c3539f503bd024b804878b8415aadff4749f77a9f73bb2c339fbf8b95e929b6ba633e20

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buRZ71qY04.exe

MD5 3d373d073c47451491814912177c19c7
SHA1 338cbc92cbdc5385f63c3e6122a1f7d98ff26ff4
SHA256 f05bb3311ef95198cd654839ac62f5556e3e17fef8e9e421bab73a016c28c384
SHA512 d8a0e71172581229c9f4ad310720f31258679a6a8eebf755960002105b08752b4c20679e1f9ca7d968f88fe57b11153df33aacfefac694146de9e55216b4b3bc

memory/1720-14-0x00007FFCC6E63000-0x00007FFCC6E65000-memory.dmp

memory/1720-15-0x0000000000D70000-0x0000000000D7A000-memory.dmp

memory/1720-16-0x00007FFCC6E63000-0x00007FFCC6E65000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cakv67tp16.exe

MD5 e7158d94c200533e4ab41107e5e183b1
SHA1 8779fa2f2b5eba6b4daf9d9540d62e523a3d5c17
SHA256 0d984f1c04ed6c099eca650cedf4d4307881bb3de0d44fdab9e76436eb016704
SHA512 9919a210608661b1d18929d4dbe1590ef75b667547d82cc750256f6e3a15d1097a59047fab842678d5a83adb0a7748d84fba8dba98f61fedb6fd8ab3320a4e19

memory/1140-22-0x0000000004AE0000-0x0000000004B26000-memory.dmp

memory/1140-23-0x00000000071F0000-0x0000000007794000-memory.dmp

memory/1140-24-0x0000000004CC0000-0x0000000004D04000-memory.dmp

memory/1140-36-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-38-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-34-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-32-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-74-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-56-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-30-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-28-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-26-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-25-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-88-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-86-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-84-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-82-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-80-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-78-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-76-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-72-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-70-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-68-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-66-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-64-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-62-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-60-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-58-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-54-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-52-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-50-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-48-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-46-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-44-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-42-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-40-0x0000000004CC0000-0x0000000004CFE000-memory.dmp

memory/1140-931-0x0000000007800000-0x0000000007E18000-memory.dmp

memory/1140-932-0x0000000007EA0000-0x0000000007FAA000-memory.dmp

memory/1140-933-0x0000000007FE0000-0x0000000007FF2000-memory.dmp

memory/1140-934-0x0000000008000000-0x000000000803C000-memory.dmp

memory/1140-935-0x0000000008150000-0x000000000819C000-memory.dmp