Malware Analysis Report

2025-01-23 07:47

Sample ID 241108-mnbrgs1clb
Target 9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4
SHA256 9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4
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

9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4

Threat Level: Known bad

The file 9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4 was found to be: Known bad.

Malicious Activity Summary

healer redline fukia discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

Healer family

Redline family

Modifies Windows Defender Real-time Protection settings

RedLine

RedLine payload

Healer

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 10:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-08 10:36

Reported

2024-11-08 10:38

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.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\dDM61SG.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\dDM61SG.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\dDM61SG.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\dDM61SG.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\dDM61SG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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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\dDM61SG.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.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\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.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\nsm08nK32.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\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4656 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe
PID 4656 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe
PID 4656 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe
PID 528 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.exe
PID 528 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.exe
PID 528 wrote to memory of 1556 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe
PID 528 wrote to memory of 1556 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe
PID 528 wrote to memory of 1556 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe
PID 4656 wrote to memory of 724 N/A C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe
PID 4656 wrote to memory of 724 N/A C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe
PID 4656 wrote to memory of 724 N/A C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe

"C:\Users\Admin\AppData\Local\Temp\9af3e8531bb1e08f80766ed96e1fc1bd0eaa31d879e62baf697e8ea3237e96b4.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1556 -ip 1556

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 1104

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsm08nK32.exe

MD5 c11b0cd899170b5b2f3c0a200341110d
SHA1 4c37e45848f32a4c04e234415350ee43fe00d573
SHA256 5cd3b3ff7d4ef69ab71d0daf877a6d445485b32f4ee968655c661b96ba0ca76c
SHA512 bd30b3f12fc8e405b1b3ef570000f1120e749d318cd14095248b7812690208b6e8284cfdcb99b5dab674f5bd78f5e21892302a7f9141ee17fb78ab62bb486ea4

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDM61SG.exe

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

memory/4988-14-0x00007FFBABA53000-0x00007FFBABA55000-memory.dmp

memory/4988-15-0x0000000000DD0000-0x0000000000DDA000-memory.dmp

memory/4988-16-0x00007FFBABA53000-0x00007FFBABA55000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDE15Bd.exe

MD5 ebd4e4bbe5bd01111ee4b46214e0108b
SHA1 40b6619b04c0763f9981ceb16d6225359126c7d5
SHA256 75cf3a9c076d48b811a879e382aa3215c8c04975eed59c1beab8f5879deaf61b
SHA512 23c16ca232badd59ddf3eb6335001e6ba86dd93d397dc1b725e21a3f275d8653096d74dc3cfd8e780a772dde0697c8e9072f345d018256e10ed9cb31092ac46c

memory/1556-22-0x00000000021F0000-0x000000000220A000-memory.dmp

memory/1556-23-0x0000000004E80000-0x0000000005424000-memory.dmp

memory/1556-24-0x0000000002280000-0x0000000002298000-memory.dmp

memory/1556-36-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-52-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-50-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-49-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-46-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-44-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-43-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-40-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-39-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-34-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-32-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-30-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-28-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-26-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-25-0x0000000002280000-0x0000000002292000-memory.dmp

memory/1556-53-0x0000000000400000-0x000000000056E000-memory.dmp

memory/1556-55-0x0000000000400000-0x000000000056E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fNH47qt.exe

MD5 a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA1 3d06413341893b838549939e15f8f1eec423d71a
SHA256 1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512 d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

memory/724-59-0x0000000000FC0000-0x0000000000FF2000-memory.dmp

memory/724-60-0x0000000005F10000-0x0000000006528000-memory.dmp

memory/724-61-0x0000000005A90000-0x0000000005B9A000-memory.dmp

memory/724-62-0x00000000059C0000-0x00000000059D2000-memory.dmp

memory/724-63-0x0000000005A30000-0x0000000005A6C000-memory.dmp

memory/724-64-0x0000000005BA0000-0x0000000005BEC000-memory.dmp