Malware Analysis Report

2024-11-15 09:57

Sample ID 241110-b5kvyazkgq
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

RedLine

Detects Healer an antivirus disabler dropper

RedLine payload

Redline family

Healer

Healer family

Modifies Windows Defender Real-time Protection settings

Windows security modification

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:43

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:43

Reported

2024-11-10 01:46

Platform

win10v2004-20241007-en

Max time kernel

143s

Max time network

147s

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\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
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

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 2964 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe
PID 2964 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe
PID 2964 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\efb5b53a1f22dd0d73226684761dd220b74d36bbc99522debe66d2743923d9bd.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe
PID 1660 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe
PID 1660 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe
PID 1660 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nna66Kl59.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe
PID 1936 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe
PID 1936 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dth31yI.exe
PID 1936 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe
PID 1936 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nqA35Gy46.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eiA88KM.exe
PID 1936 wrote to memory of 816 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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
RU 193.233.20.17:4139 tcp
US 8.8.8.8:53 104.219.191.52.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
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/432-21-0x00007FFED03C3000-0x00007FFED03C5000-memory.dmp

memory/432-22-0x0000000000890000-0x000000000089A000-memory.dmp

memory/432-23-0x00007FFED03C3000-0x00007FFED03C5000-memory.dmp

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

MD5 407c655442bf0385813016cf2f68c831
SHA1 a62f5550562ad758a08e320642b0a78d48811be0
SHA256 4eb31835198f0b6c97ef9a6061c7aa1db3d4be1d04813cbd9e35c03c29219147
SHA512 0032fe8fc69655930027c075718446f26a8985a97c8a9fed69f31479a9346876522f9fdb4c42824de8bc7e176e2fe9cb88f5c1dd9f9518054816e795b5951161

memory/816-29-0x00000000023E0000-0x0000000002426000-memory.dmp

memory/816-30-0x0000000004C50000-0x00000000051F4000-memory.dmp

memory/816-31-0x00000000027A0000-0x00000000027E4000-memory.dmp

memory/816-41-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-51-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-95-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-93-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-91-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-89-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-85-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-83-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-81-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-80-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-75-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-73-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-71-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-67-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-65-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-63-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-61-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-59-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-57-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-53-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-49-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-47-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-45-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-43-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-39-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-37-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-87-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-77-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-69-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-55-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-35-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-33-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-32-0x00000000027A0000-0x00000000027DE000-memory.dmp

memory/816-938-0x0000000005200000-0x0000000005818000-memory.dmp

memory/816-939-0x00000000058A0000-0x00000000059AA000-memory.dmp

memory/816-940-0x00000000059E0000-0x00000000059F2000-memory.dmp

memory/816-941-0x0000000005A00000-0x0000000005A3C000-memory.dmp

memory/816-942-0x0000000005B50000-0x0000000005B9C000-memory.dmp