Malware Analysis Report

2025-01-23 05:56

Sample ID 241104-rynw1szrgz
Target 19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235
SHA256 19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235
Tags
healer redline dubka 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

19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235

Threat Level: Known bad

The file 19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235 was found to be: Known bad.

Malicious Activity Summary

healer redline dubka discovery dropper evasion infostealer persistence trojan

Healer

Modifies Windows Defender Real-time Protection settings

RedLine payload

Healer family

Redline family

Detects Healer an antivirus disabler dropper

RedLine

Executes dropped EXE

Windows security modification

Adds Run key to start application

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 14:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 14:36

Reported

2024-11-04 14:43

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.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\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.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\rip9565.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\IXP002.TMP\swB3952.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.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\IXP002.TMP\swB3952.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\rip9565.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\rip9565.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\rip9565.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\IXP002.TMP\swB3952.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.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\IXP002.TMP\swB3952.exe N/A

RedLine

infostealer redline

RedLine payload

Description Indicator Process Target
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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\rip9565.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.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\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.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\vKZ3703.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\vEs0106.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\IXP002.TMP\swB3952.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1336 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe
PID 1336 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe
PID 1336 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe
PID 2536 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe
PID 2536 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe
PID 2536 wrote to memory of 4904 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe
PID 4904 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe
PID 4904 wrote to memory of 4320 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe
PID 4904 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe
PID 4904 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe
PID 4904 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe
PID 2536 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe
PID 2536 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe
PID 2536 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe

Processes

C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.exe

"C:\Users\Admin\AppData\Local\Temp\19b3e06a9f89f5b7567181d89063b407ec7dbb05163ec01041efae5607fcc235.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1340 -ip 1340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 1020

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
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 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vKZ3703.exe

MD5 b564d88bc3dda040e87bab0a128f3b8b
SHA1 acf5373ba5457976b42fbb6d9def0ceb35bb9468
SHA256 8694c19768c08f3b8dd66b74c2a28d7647dfb2fe3b142c676fb463a9c1158bd2
SHA512 8e6d5f99791fb251b6c550b92fce8a397ac7e9f01f537be50edf67edca40ccc53802cdb6ca8adf7c0531588120788d695f5e4aa1bf4e034648395b7970b7c512

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vEs0106.exe

MD5 c01afe8ea527c0722e8461a6cf1c4230
SHA1 98c46705580fc6c7c9fb0fbc708c9c6ab176d8f1
SHA256 2f00ae3c71afe6ff91f5651c393dc06c891424c71fa3a9153b982a6ab38aa6be
SHA512 2ee6a83ca71b4a7b3259ffe64a4d81f2d081de1fcc3dcb7514ead31275895e133f893d64aff4e9ca78bffee3e9efb8f5050d6d6c3123940863ce9dac0959e3f7

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rip9565.exe

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

memory/4320-21-0x00007FFE42EA3000-0x00007FFE42EA5000-memory.dmp

memory/4320-22-0x0000000000200000-0x000000000020A000-memory.dmp

memory/4320-23-0x00007FFE42EA3000-0x00007FFE42EA5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\swB3952.exe

MD5 5689d82e0bb0b6c738220f0e2d50f757
SHA1 1f1c0b8fceb6cb706866f2e32338a661af642e24
SHA256 7cb1ef101075ff5d838a237ac29decc694606f34c102e4ec189b2f47780b60dd
SHA512 dc16bef6fc2aee37df075e0db1e278889d6228d6979d2f680a88286fb6f90bf77249871cf9db4746e343f3ae4672d518873732ed04aedb3e5ea9947bbeb6f96b

memory/1340-29-0x00000000024A0000-0x00000000024BA000-memory.dmp

memory/1340-30-0x0000000004B80000-0x0000000005124000-memory.dmp

memory/1340-31-0x0000000004B00000-0x0000000004B18000-memory.dmp

memory/1340-32-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-33-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-59-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-57-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-55-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-53-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-51-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-49-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-47-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-45-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-43-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-41-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-39-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-37-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-35-0x0000000004B00000-0x0000000004B12000-memory.dmp

memory/1340-60-0x0000000000400000-0x000000000056F000-memory.dmp

memory/1340-62-0x0000000000400000-0x000000000056F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\toE14Zt.exe

MD5 dd0c9e110c68ce1fa5308979ef718f7b
SHA1 473deb8069f0841d47b74b7f414dacc6f96eca78
SHA256 dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3
SHA512 29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

memory/4288-66-0x0000000000BF0000-0x0000000000C22000-memory.dmp

memory/4288-67-0x0000000005A20000-0x0000000006038000-memory.dmp

memory/4288-68-0x0000000005590000-0x000000000569A000-memory.dmp

memory/4288-69-0x00000000054C0000-0x00000000054D2000-memory.dmp

memory/4288-70-0x0000000005520000-0x000000000555C000-memory.dmp

memory/4288-71-0x00000000056A0000-0x00000000056EC000-memory.dmp