Malware Analysis Report

2024-11-13 17:38

Sample ID 241110-b245eazkcr
Target efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd
SHA256 efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd
Tags
healer redline ronam 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

efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd

Threat Level: Known bad

The file efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd was found to be: Known bad.

Malicious Activity Summary

healer redline ronam discovery dropper evasion infostealer persistence trojan

Detects Healer an antivirus disabler dropper

RedLine payload

Healer

Modifies Windows Defender Real-time Protection settings

Redline family

Healer family

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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:39

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:39

Reported

2024-11-10 01:41

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.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\IXP002.TMP\dth31yI.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.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\dth31yI.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\dth31yI.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\dth31yI.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\dth31yI.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\dth31yI.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\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.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\nna66Kl59.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\nqA35Gy46.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\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3060 wrote to memory of 4932 N/A C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe
PID 3060 wrote to memory of 4932 N/A C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe
PID 3060 wrote to memory of 4932 N/A C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe
PID 4932 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe
PID 4932 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe
PID 4932 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe
PID 2252 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe
PID 2252 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe
PID 2252 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe
PID 2252 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe
PID 2252 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe

Processes

C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe

"C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
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
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
RU 193.233.20.17:4139 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe

MD5 c4f67ddf78147ced0067893236b31f4c
SHA1 8fa857e6edc7a2cb87529f4df6f802295ea31d95
SHA256 66b1f05b7ed54336ff2113e8267c8987d849c71b9aa4c713edcfa57cadd836ad
SHA512 7028e5f10e332218f7cd10b2cc19982f0a533d144f50f30184f3bef099b0a16d7cd7e7cb9e4d17e2a4112d1e7ca3ecdbe27ef37cd8ffd8468a862e84b96ec891

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe

MD5 195ad3a0b855582b2d8d584427a89832
SHA1 3bf52d36af456eba1335162acf34c506c46bd4fb
SHA256 ead02e42134c8419f3561fef9468a73c90d0674583d0bbabfc19745748097354
SHA512 628bddcf33bf9d9ec73abaa32e8ca5e53af147f3feed4e0eb041c469db2a41b8568c96061c81810d5cf21e66f6b371cf78e692f5943ca16bea5655ea6962a59e

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe

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

memory/4668-21-0x00007FF9E7BC3000-0x00007FF9E7BC5000-memory.dmp

memory/4668-22-0x0000000000FE0000-0x0000000000FEA000-memory.dmp

memory/4668-23-0x00007FF9E7BC3000-0x00007FF9E7BC5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe

MD5 407c655442bf0385813016cf2f68c831
SHA1 a62f5550562ad758a08e320642b0a78d48811be0
SHA256 4eb31835198f0b6c97ef9a6061c7aa1db3d4be1d04813cbd9e35c03c29219147
SHA512 0032fe8fc69655930027c075718446f26a8985a97c8a9fed69f31479a9346876522f9fdb4c42824de8bc7e176e2fe9cb88f5c1dd9f9518054816e795b5951161

memory/1944-29-0x00000000026C0000-0x0000000002706000-memory.dmp

memory/1944-30-0x0000000004BD0000-0x0000000005174000-memory.dmp

memory/1944-31-0x0000000005180000-0x00000000051C4000-memory.dmp

memory/1944-35-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-49-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-95-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-91-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-89-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-88-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-85-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-83-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-81-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-79-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-77-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-75-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-73-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-71-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-69-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-67-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-65-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-63-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-61-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-57-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-55-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-54-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-51-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-47-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-45-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-43-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-41-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-39-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-37-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-93-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-59-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-33-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-32-0x0000000005180000-0x00000000051BE000-memory.dmp

memory/1944-938-0x0000000005200000-0x0000000005818000-memory.dmp

memory/1944-939-0x00000000058A0000-0x00000000059AA000-memory.dmp

memory/1944-940-0x00000000059E0000-0x00000000059F2000-memory.dmp

memory/1944-941-0x0000000005A00000-0x0000000005A3C000-memory.dmp

memory/1944-942-0x0000000005B50000-0x0000000005B9C000-memory.dmp