Malware Analysis Report

2024-11-15 09:57

Sample ID 241110-b6t51azlbr
Target 226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77
SHA256 226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77
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

226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77

Threat Level: Known bad

The file 226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77 was found to be: Known bad.

Malicious Activity Summary

healer redline dubka discovery dropper evasion infostealer persistence trojan

RedLine

Healer

Redline family

Modifies Windows Defender Real-time Protection settings

Detects Healer an antivirus disabler dropper

Healer family

RedLine payload

Windows security modification

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:45

Reported

2024-11-10 01:48

Platform

win10v2004-20241007-en

Max time kernel

127s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.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\IXP002.TMP\rvQ8467.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\sko9405.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\rvQ8467.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\rvQ8467.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\rvQ8467.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\rvQ8467.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\rvQ8467.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.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\sko9405.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\sko9405.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\sko9405.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\sko9405.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\rvQ8467.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.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\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.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\vzV6999.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\vWb5622.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\IXP001.TMP\tVL06kH.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rvQ8467.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2184 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe
PID 2184 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe
PID 2184 wrote to memory of 4088 N/A C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe
PID 4088 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe
PID 4088 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe
PID 4088 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe
PID 4136 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rvQ8467.exe
PID 4136 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rvQ8467.exe
PID 4136 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe
PID 4136 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe
PID 4136 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe
PID 4088 wrote to memory of 2324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVL06kH.exe
PID 4088 wrote to memory of 2324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVL06kH.exe
PID 4088 wrote to memory of 2324 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVL06kH.exe

Processes

C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.exe

"C:\Users\Admin\AppData\Local\Temp\226825b8769fb15bdfd0271f9b78a7f4d66392f30f16d1ec5b26153900a84e77.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rvQ8467.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rvQ8467.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2196 -ip 2196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 1084

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVL06kH.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVL06kH.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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
RU 193.233.20.13:4136 tcp
RU 193.233.20.13:4136 tcp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vzV6999.exe

MD5 1a767e2b8134eb8fd13053db34b0e6d0
SHA1 20a152700c843ff6227ccf14b8ee3ef99f1f615d
SHA256 c3375e5c615bd91261d2abef12e51309c471d6e80f195b958d517141b3d95a47
SHA512 de42ae0bfb0afd3d4f0a63dae6349b2f11eac4919541e11de0ccfee4390547509d79a4644130839c2ccf6884a1dee6794a4757845eb33ddfe7fc90f1aab79b2a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vWb5622.exe

MD5 c74cde5db229624dc5f85cd9737a6511
SHA1 47851d28d9f399409ae5f2b60dfc611023092698
SHA256 1d044ff4723959027c3ef5a0ed47e6144eeb6008760e70ba83d39a19f5f7cb8b
SHA512 373c91664bc127fe429c54f0b2d0620cb3a660ad0de08640973fafd191d442ebcf9da448294c3c6dc74c98d27223962f666a29e21c98332a41dc2b731051c2c2

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rvQ8467.exe

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

memory/5080-21-0x00007FFB25313000-0x00007FFB25315000-memory.dmp

memory/5080-22-0x0000000000590000-0x000000000059A000-memory.dmp

memory/5080-23-0x00007FFB25313000-0x00007FFB25315000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sko9405.exe

MD5 a83f871ff3ff4702c68b94e0ba9ed0da
SHA1 6a7ceb6521559ec069e0067036d6d2de3a8294b4
SHA256 a7804907253a51461b3a23f3f54f59060707f4672c38f9b09d9cbb16b00e8fe8
SHA512 91d7e6c48afc6f334338aff3f0253f4593c03ab3d2657aa659fc67fb6288113e97211a89f58dd1c7906f662af14ca9dcd2d76c205ba5c121baf4e21fecfc8f6f

memory/2196-29-0x00000000026B0000-0x00000000026CA000-memory.dmp

memory/2196-30-0x0000000004F20000-0x00000000054C4000-memory.dmp

memory/2196-31-0x0000000002710000-0x0000000002728000-memory.dmp

memory/2196-32-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-35-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-59-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-58-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-56-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-54-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-51-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-50-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-47-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-45-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-43-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-41-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-39-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-37-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-33-0x0000000002710000-0x0000000002722000-memory.dmp

memory/2196-60-0x0000000000400000-0x0000000000759000-memory.dmp

memory/2196-62-0x0000000000400000-0x0000000000759000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVL06kH.exe

MD5 dd0c9e110c68ce1fa5308979ef718f7b
SHA1 473deb8069f0841d47b74b7f414dacc6f96eca78
SHA256 dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3
SHA512 29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

memory/2324-66-0x0000000000860000-0x0000000000892000-memory.dmp

memory/2324-67-0x0000000005690000-0x0000000005CA8000-memory.dmp

memory/2324-68-0x0000000005200000-0x000000000530A000-memory.dmp

memory/2324-69-0x0000000005130000-0x0000000005142000-memory.dmp

memory/2324-70-0x0000000005190000-0x00000000051CC000-memory.dmp

memory/2324-71-0x0000000005310000-0x000000000535C000-memory.dmp