Malware Analysis Report

2024-12-06 02:40

Sample ID 241110-a9w84awdja
Target cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N
SHA256 cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90
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

cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90

Threat Level: Known bad

The file cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N was found to be: Known bad.

Malicious Activity Summary

healer redline rumfa discovery dropper evasion infostealer persistence trojan

RedLine payload

Redline family

RedLine

Healer

Healer family

Detects Healer an antivirus disabler dropper

Modifies Windows Defender Real-time Protection settings

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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 00:55

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:55

Reported

2024-11-10 00:57

Platform

win10v2004-20241007-en

Max time kernel

116s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.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\IXP002.TMP\butE98Ls84.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\butE98Ls84.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\butE98Ls84.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\butE98Ls84.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\butE98Ls84.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\butE98Ls84.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\IXP002.TMP\butE98Ls84.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\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.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\plMw98hY06.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\plZO09II08.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\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3168 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe
PID 3168 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe
PID 3168 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe
PID 1516 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe
PID 1516 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe
PID 1516 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe
PID 1084 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe
PID 1084 wrote to memory of 3972 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe
PID 1084 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe
PID 1084 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe
PID 1084 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.exe

"C:\Users\Admin\AppData\Local\Temp\cf41af43bf1e1898678861fabd24bb9a2652b37d1d6cca572b651aea49542e90N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
RU 193.233.20.24:4123 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plMw98hY06.exe

MD5 2ea040e72b34b4afbb2042f8a5ac44a8
SHA1 6e50edfe661378c404d2d434161253e67e0d5db6
SHA256 989dbbb0eeafb81b8b4001a9ab015ec6eadb9f29bbfc3d8a9d032a9d85c3f94b
SHA512 e7e0a7418291e6eb23cea78ffbc9457a6c17c3c58f22f1951027d2af3a83acc13f7c39a7cd36d06305df03669df725f5c5d05acee8deb36338778f2640ab0a7a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plZO09II08.exe

MD5 fd4830a99c36b2d5b2f0238b9b4d8d79
SHA1 3ad38bfccbd18982401408c8d62f8c1919865490
SHA256 dc86ae380ab262508617446ddf6deed88dfcf64e2bc5e0f994c383a3f2988767
SHA512 722a5c207a71067eb987c445ba495875fffe1b7c7a3ce55c8878b470fc2d834979857348c352c673801007d2839b82e2ef90b414e57128e9841f50be923354d1

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\butE98Ls84.exe

MD5 e0d4192c14cbd4225bc84a6d391d51f0
SHA1 a0dea61d5e2c1dc6c7e0fc18d822e311ad154333
SHA256 197f5ee5622f8d57b93009079d9e39b704ab3b544dbd78d231cf956b28c71da8
SHA512 34ecf6c93952433521c32ce8219593126be76a642fa0b72f0114bedacf9e302cbaeb051c6f61ad6fa773bae963afee393b02733b5107619f4dd994793a7105cf

memory/3972-21-0x00007FF8A7E83000-0x00007FF8A7E85000-memory.dmp

memory/3972-22-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

memory/3972-23-0x00007FF8A7E83000-0x00007FF8A7E85000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\caXP87gI68.exe

MD5 df8b658ff430e07a3083de9d55e38d9f
SHA1 a1c69254ba895096f75660ca5c9c09f46486e65f
SHA256 885045b17ae6220ea794be50c2290b1c771323b5ff3680879e7d2bd8d1576a74
SHA512 ce534ec18d6e3f3f30a21c0749818ae89895281164262fe118610f4609d98d78f3164659cc8114d2d4767eff56cb446a118b72488982989c0e722fff8bcdae8a

memory/2200-29-0x0000000004C40000-0x0000000004C86000-memory.dmp

memory/2200-30-0x0000000004C80000-0x0000000005224000-memory.dmp

memory/2200-31-0x0000000005270000-0x00000000052B4000-memory.dmp

memory/2200-91-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-69-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-49-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-35-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-33-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-32-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-95-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-94-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-89-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-88-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-85-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-83-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-81-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-79-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-77-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-75-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-73-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-71-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-67-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-66-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-63-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-61-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-59-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-57-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-55-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-53-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-51-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-47-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-45-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-44-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-41-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-40-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-37-0x0000000005270000-0x00000000052AE000-memory.dmp

memory/2200-938-0x00000000052B0000-0x00000000058C8000-memory.dmp

memory/2200-939-0x0000000005910000-0x0000000005A1A000-memory.dmp

memory/2200-940-0x0000000005A40000-0x0000000005A52000-memory.dmp

memory/2200-941-0x0000000005A60000-0x0000000005A9C000-memory.dmp

memory/2200-942-0x0000000005BB0000-0x0000000005BFC000-memory.dmp