Malware Analysis Report

2025-01-23 07:42

Sample ID 241108-r38f8athlp
Target b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9
SHA256 b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9
Tags
healer redline fukia 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

b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9

Threat Level: Known bad

The file b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Modifies Windows Defender Real-time Protection settings

RedLine payload

RedLine

Detects Healer an antivirus disabler dropper

Healer

Redline family

Healer family

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 14:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 14:44

Reported

2024-11-08 14:46

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.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
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.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\fLu77Lu.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.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\fLu77Lu.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\fLu77Lu.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\fLu77Lu.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\fLu77Lu.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\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.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\sgi87mm.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\sCZ74Xb.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\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1744 wrote to memory of 4108 N/A C:\Users\Admin\AppData\Local\Temp\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe
PID 1744 wrote to memory of 4108 N/A C:\Users\Admin\AppData\Local\Temp\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe
PID 1744 wrote to memory of 4108 N/A C:\Users\Admin\AppData\Local\Temp\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe
PID 4108 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe
PID 4108 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe
PID 4108 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe
PID 4032 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe
PID 4032 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe
PID 4032 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe
PID 4032 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe
PID 4032 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.exe

"C:\Users\Admin\AppData\Local\Temp\b1c6e864119aa2619b99448a8df4a771cf3439e755386922ca4edd8210ca72c9.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 66.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.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
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sgi87mm.exe

MD5 9416af85267fcc2cb0f7f82ed4e4112a
SHA1 710d6778874e84f3f5238c03d2d971719e4f7473
SHA256 f75f63de5948390d72232c7e1deb4c639fde1cf2e4f9cf67c7d3716c7471a825
SHA512 5437f95e86ad7ea48e83fadd10500cc2d7e83c45aec210887e4c50531f197dcb73a092e37e412d9fd2a12786cc8a2f07491e4b26b2a45c5e1523dc05f1e285a0

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCZ74Xb.exe

MD5 dfba8cc4ae159676fd9207ee5985a2e2
SHA1 797a8b56907dcf8a66b5b5ba2162b4eb56524be7
SHA256 0e86d60ba4dd44b767b9e74ee8948838c1e396d1c2f9f9ebb1cb5ebee1539b9d
SHA512 19a7192002bbed909e5b40cad5b3cb4971bcb41c29b36f432b490d2082fed8deb65a00bd64314bb7ac23979556b2b025c06702ba1992140076026be7d00906d3

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fLu77Lu.exe

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

memory/2524-21-0x00007FF93FD33000-0x00007FF93FD35000-memory.dmp

memory/2524-22-0x0000000000160000-0x000000000016A000-memory.dmp

memory/2524-23-0x00007FF93FD33000-0x00007FF93FD35000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hTA01Qg.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/940-28-0x0000000000D50000-0x0000000000D82000-memory.dmp

memory/940-29-0x0000000005CD0000-0x00000000062E8000-memory.dmp

memory/940-30-0x0000000005830000-0x000000000593A000-memory.dmp

memory/940-31-0x0000000005760000-0x0000000005772000-memory.dmp

memory/940-32-0x00000000057C0000-0x00000000057FC000-memory.dmp

memory/940-33-0x0000000005940000-0x000000000598C000-memory.dmp