Malware Analysis Report

2024-11-13 18:05

Sample ID 241110-b4rbbswgqr
Target e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987
SHA256 e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987
Tags
healer redline dubik 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

e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987

Threat Level: Known bad

The file e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987 was found to be: Known bad.

Malicious Activity Summary

healer redline dubik discovery dropper evasion infostealer persistence trojan

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Redline family

Detects Healer an antivirus disabler dropper

Executes dropped EXE

Windows security modification

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:42

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:42

Reported

2024-11-10 01:44

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe"

Signatures

Detects Healer an antivirus disabler dropper

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

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\IXP002.TMP\kUx87Vd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

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\IXP002.TMP\kUx87Vd.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\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.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\dGa2773.exe N/A
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\dpV9179.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\dpV9179.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4464 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe
PID 4464 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe
PID 4464 wrote to memory of 1504 N/A C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe
PID 1504 wrote to memory of 3996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe
PID 1504 wrote to memory of 3996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe
PID 1504 wrote to memory of 3996 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe
PID 3996 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe
PID 3996 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe
PID 3996 wrote to memory of 4764 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe
PID 3996 wrote to memory of 4764 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe
PID 3996 wrote to memory of 4764 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe

"C:\Users\Admin\AppData\Local\Temp\e4bbcdea184ee1d858fbe6755f728bd1656351cbf94c5b1f725fbdff88371987.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGa2773.exe

MD5 086c0e8499668e32c925b9b6dba43ce6
SHA1 9235961fd9691e6a0c6ee26c042dceaa4cd0a195
SHA256 83d024a41bd9ad0739266803656b6c8f6a420f1662e929ddd0e44189cb5a8a0b
SHA512 876c1b46fa0fa8e5a241c225d898bfc371f8afb3ae4c5bea4d0e77739c94a60b4bc4d2e4e98d65b378134ebd873096f87de3ab7ea24d90c641bc74fea449c587

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dpV9179.exe

MD5 449bf35dd01d58fce742c66155fc6e48
SHA1 c960e3807c9956aefabb231db11103ef11178111
SHA256 d5ff3b102d09a1729c8ce6b6888f905bfa5a96e0ab1a17444853c4132903dfe3
SHA512 eb5783c36cf06c905cd6386001daad0f8cb6959ffd64d7d2f32ab4144e8a494ccde98b91ece9e2d1f960f64149a5a6a6b141c98575f98f838dd40347d32f6841

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kUx87Vd.exe

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

memory/4336-21-0x00007FFDEECB3000-0x00007FFDEECB5000-memory.dmp

memory/4336-22-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

memory/4336-23-0x00007FFDEECB3000-0x00007FFDEECB5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nBP56yJ.exe

MD5 cddbd387c5c8bb5e8a8ad341f7d05475
SHA1 1ae74b1a19a38a736b5321b41de10a48ab72eddc
SHA256 c531095f91211aea5e7ed61228c557ea1718605e8840e9ca61e3e652d4634d2d
SHA512 ce5ad725decbc063176ef313413112618506ca5863ced90beb5f59ef844d3c0b77bda05be04d1e0337731d2f2eca58f4ad98070d1aa55315879528f9be0f6a0e

memory/4764-28-0x0000000000470000-0x00000000004A2000-memory.dmp

memory/4764-29-0x00000000053D0000-0x00000000059E8000-memory.dmp

memory/4764-30-0x0000000004F50000-0x000000000505A000-memory.dmp

memory/4764-31-0x0000000004E80000-0x0000000004E92000-memory.dmp

memory/4764-32-0x0000000004EE0000-0x0000000004F1C000-memory.dmp

memory/4764-33-0x0000000005060000-0x00000000050AC000-memory.dmp