Malware Analysis Report

2025-04-13 23:56

Sample ID 241104-zn7v5szlap
Target b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d
SHA256 b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d
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

b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d

Threat Level: Known bad

The file b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d was found to be: Known bad.

Malicious Activity Summary

healer redline rumfa discovery dropper evasion infostealer persistence trojan

RedLine payload

Healer

RedLine

Detects Healer an antivirus disabler dropper

Healer family

Modifies Windows Defender Real-time Protection settings

Redline family

Executes dropped EXE

Windows security modification

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

2024-11-04 20:52

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 20:52

Reported

2024-11-04 20:55

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.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\IXP004.TMP\burb05ow48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.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\IXP004.TMP\burb05ow48.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_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\pltk78KY92.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\plLp40Et24.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe N/A
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\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.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\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2460 wrote to memory of 4688 N/A C:\Users\Admin\AppData\Local\Temp\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe
PID 2460 wrote to memory of 4688 N/A C:\Users\Admin\AppData\Local\Temp\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe
PID 2460 wrote to memory of 4688 N/A C:\Users\Admin\AppData\Local\Temp\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe
PID 4688 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe
PID 4688 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe
PID 4688 wrote to memory of 3592 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe
PID 3592 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe
PID 3592 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe
PID 3592 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe
PID 3332 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe
PID 3332 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe
PID 3332 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe
PID 4692 wrote to memory of 4992 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe
PID 4692 wrote to memory of 4992 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe
PID 4692 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe
PID 4692 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe
PID 4692 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.exe

"C:\Users\Admin\AppData\Local\Temp\b03ed36ef5a90fbff1d1db8fb5ceafc2d142c7173621209460b5740512a3cb2d.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
RU 193.233.20.24:4123 tcp
RU 193.233.20.24:4123 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pltk78KY92.exe

MD5 566ea140412a26e59f2b527fc398123f
SHA1 3cc37e2b07ac89ce5948756462436b68e1dc1b28
SHA256 7335d00b4a88369cb5f7fc7763f2d80e87ba15d7bd581939a678615316b4300a
SHA512 58a3e05996d53fbbce2fd5a78546ff866711b18feac150245e57dead8c3e03f3dd9b129c347d61a836f3618b877a8b1fe63e75a9b34c7382b13b47485aa29d84

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plLp40Et24.exe

MD5 a511ed70957b9e939ef4ff9eb224c090
SHA1 b6cf6254fbfcba440cf5af1c78b7ff4cecaf72ae
SHA256 047a07f7ffc304762f79fe68f4b8c0dec6361ec778960730a479ce5c888251db
SHA512 68c5ff002d2aceb19af6e87461e74b17f02bb630622291bdf192e07e10f5d99e2c49b004df00212553b60d935cf705881afb456a0a032927d4b7e689dc35172c

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plri63Pl01.exe

MD5 f435c12c0ba119129f412159a8a342c3
SHA1 6f6f9be3467d8a184093101844792c9be9e288a9
SHA256 ee4592bfdf85da8b00354b22fc2a7ca6eff082017993967d647afd07ce69f69d
SHA512 4e13c1f4d25bee9d9bc09ac5c6fdd78c0f82f6bb93648fcc37f55d6e5a80dace81963aa54574ec9f0dae508f8b7713303c8d218c962df4d9e0de282ff25b1ff8

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plzd01yK88.exe

MD5 9c4dc3ca1a69997f1929713bce0167e1
SHA1 10f8c0f7269b7afb6b19cbaccc0684db1a6f7b95
SHA256 f834f53c552a87156975c562a6663316d5e068d754cd3fae69dd58167a4c01cc
SHA512 a14a4a0a58f77751affc1689c8f56488599a6ff5408b08bda190e5454e4e639d685fd16cfc54ea96366aac732e89b8a2ab70aa9bcb9cde6d9a85c3f65da2930c

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\burb05ow48.exe

MD5 ec64b3204b21fdfb532782f7bf107db0
SHA1 282a94d6a782d3aa382cfff415d2ab0787bf7b7d
SHA256 102cb8650c0331a7113705a537ab8991c555538761b1c3347c29df668741fd96
SHA512 1c0e8aee1e148044f8aebdd1edcff30562e058e0a1b7b310214835723714ffb3fa9770c8ba164de3288cf4c7083ee7ee5b169181e5f4609b8f722404afa01b2b

memory/4992-35-0x0000000000600000-0x000000000060A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\cazU71UZ39.exe

MD5 12a07204bf4c65efdd968689ed260c4e
SHA1 8430e5110448dc962c4191a1a06b05c4e3c1a140
SHA256 e4666bb9e57296f0140b125a1c5e32f446659b0baa2c3d7fef87a7aef339433b
SHA512 61dbfcedae6259039196942064d62cae0de853c6c5afa3547e6394e789ddf3c0acc6e94cd2c89c090c6f891a77565b0fe332b21da0afa5a5102f1d12d4f3989a

memory/936-41-0x0000000002580000-0x00000000025C6000-memory.dmp

memory/936-42-0x0000000004D10000-0x00000000052B4000-memory.dmp

memory/936-43-0x0000000004BA0000-0x0000000004BE4000-memory.dmp

memory/936-55-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-61-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-107-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-105-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-103-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-101-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-99-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-97-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-93-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-91-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-89-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-87-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-85-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-83-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-81-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-79-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-77-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-75-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-71-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-69-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-67-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-65-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-63-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-59-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-57-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-53-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-51-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-49-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-47-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-95-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-73-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-45-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-44-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

memory/936-950-0x00000000052C0000-0x00000000058D8000-memory.dmp

memory/936-951-0x00000000058E0000-0x00000000059EA000-memory.dmp

memory/936-952-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

memory/936-953-0x00000000059F0000-0x0000000005A2C000-memory.dmp

memory/936-954-0x0000000005B30000-0x0000000005B7C000-memory.dmp