Malware Analysis Report

2024-10-16 03:40

Sample ID 240813-eara1sxfkq
Target 9a13a96bf652d9dc4b15211eea3cd290N.exe
SHA256 b3b797586f8f9ed3a694a378ab4a10899dfe9949923c84fc874e223491187773
Tags
healer redline mucha 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

b3b797586f8f9ed3a694a378ab4a10899dfe9949923c84fc874e223491187773

Threat Level: Known bad

The file 9a13a96bf652d9dc4b15211eea3cd290N.exe was found to be: Known bad.

Malicious Activity Summary

healer redline mucha discovery dropper evasion infostealer persistence trojan

RedLine

Detects Healer an antivirus disabler dropper

RedLine payload

Healer

Modifies Windows Defender Real-time Protection settings

Executes dropped EXE

Windows security modification

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-13 03:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-13 03:44

Reported

2024-08-13 03:46

Platform

win10v2004-20240802-en

Max time kernel

100s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe"

Signatures

Detects Healer an antivirus disabler dropper

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

Healer

dropper 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\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.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\a8088517.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.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\b7390333.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\b7390333.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\b7390333.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.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\a8088517.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\a8088517.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\b7390333.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\b7390333.exe N/A

RedLine

infostealer redline

RedLine payload

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

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.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\9a13a96bf652d9dc4b15211eea3cd290N.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\v4850567.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\IXP000.TMP\c4231546.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 224 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe
PID 224 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe
PID 224 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe
PID 4668 wrote to memory of 3400 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe
PID 4668 wrote to memory of 3400 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe
PID 4668 wrote to memory of 3400 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe
PID 4668 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe
PID 4668 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe
PID 224 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe
PID 224 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe
PID 224 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe

"C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 83.97.73.131:19071 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
RU 83.97.73.131:19071 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 83.97.73.131:19071 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 83.97.73.131:19071 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe

MD5 62db57db57525127a579c11bd2dd5c2c
SHA1 b31ec6725e6a1356cc5a72d662d0c571d18fb450
SHA256 ac4872116927696842b68745eada0db27bb09172182deefee8e3ad78474dfad6
SHA512 bd60dacea81db32ba293d3de7539f8a7714e598de55da15ab74f48a055511c97afa43adfd01edc980c7cdee3f45b424584b98a11f3e1e80ab9d8247c08a83b3a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe

MD5 211a06e9ae68ced1234252a48696431b
SHA1 69950e2ee2fafd177d1a295836713bfd8d18df9c
SHA256 0bdca9c84103454e329cfde4e69dc41a0ec0196c078c8fc195b0fa739d2f905d
SHA512 b1643ba376075619335b4bdf0d7610aece13b7c9db60eecb508465f97ef3e6a9d5297f9ac8529886efa052cdd8814ac7d4eeab44812f797a1b2dc5fa967ee7eb

memory/3400-14-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3400-15-0x0000000000401000-0x0000000000404000-memory.dmp

memory/3400-16-0x00000000001F0000-0x00000000001FA000-memory.dmp

memory/3400-20-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe

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

memory/5004-26-0x0000000000180000-0x000000000018A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe

MD5 47532478e50f5e9178698442bc74db35
SHA1 b5aeed4ae7d8cadcee753ce740e07cf740f6a938
SHA256 d47e573895b0bd2d94e90fd5453e579f7572037691154585966dc119cd1a6e92
SHA512 c358fd81692edb5934c4e71f10749b32328258702d28bbd65dd0bd10d423119896cf8a1b94704b6dbff2b88ca5e6035491b45c54455b5c619b63b2e29e028a83

memory/1840-32-0x0000000000620000-0x0000000000650000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AppLaunch.exe.log

MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

memory/1840-36-0x0000000004B50000-0x0000000004B56000-memory.dmp

memory/1840-37-0x0000000009F60000-0x000000000A578000-memory.dmp

memory/1840-38-0x000000000A5F0000-0x000000000A6FA000-memory.dmp

memory/1840-39-0x000000000A730000-0x000000000A742000-memory.dmp

memory/1840-40-0x000000000A750000-0x000000000A78C000-memory.dmp

memory/1840-41-0x0000000002290000-0x00000000022DC000-memory.dmp