healer | c5a3dbeea17ddba50482e7844a817171580f977dcea9ad7b655d39a934b93b93

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 12:34

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General

Target
61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe
Size 479KB
Sample240510-pr9tssef5x
SHA256 61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562
MD5 1b385dfef9c3683b4849ce42c7b6b5f3
SHA1 8aa540ad4ad25b905fdfadc3e351ba1c49e3e9b7
SHA512 20e65a503be4341c386046a617c4875e006527eebd214299d971650a22c245450bfccd600d9fd9e2d0b6d1a9c5dd719037b2477452e29ddf4bdaaf20b83998b3
SSDEEP 12288:MMr2y90GYO4OtK8z1J6Rxt0wptqtOTy2A8xADCvc:qyGV8z1YRgOuUAkc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline dumud dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dumud

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral9/memory/1012-15-0x0000000002490000-0x00000000024AA000-memory.dmp	healer
behavioral9/memory/1012-18-0x00000000024B0000-0x00000000024C8000-memory.dmp	healer
behavioral9/memory/1012-46-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-44-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-42-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-40-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-38-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-36-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-34-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-32-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-30-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-28-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-26-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-22-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-20-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-19-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-24-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k3719439.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral9/files/0x0007000000023419-52.dat	family_redline
behavioral9/memory/1768-54-0x0000000000BC0000-0x0000000000BF0000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
1916	y3756826.exe
1012	k3719439.exe
1768	l6925739.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k3719439.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\\\""	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe
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\\\""	y3756826.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1012	k3719439.exe
1012	k3719439.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	k3719439.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 1916	3504	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe	82
PID 3504 wrote to memory of 1916	3504	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe	82
PID 3504 wrote to memory of 1916	3504	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe	82
PID 1916 wrote to memory of 1012	1916	y3756826.exe	84
PID 1916 wrote to memory of 1012	1916	y3756826.exe	84
PID 1916 wrote to memory of 1012	1916	y3756826.exe	84
PID 1916 wrote to memory of 1768	1916	y3756826.exe	89
PID 1916 wrote to memory of 1768	1916	y3756826.exe	89
PID 1916 wrote to memory of 1768	1916	y3756826.exe	89

C:\Users\Admin\AppData\Local\Temp\61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe
"C:\Users\Admin\AppData\Local\Temp\61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3756826.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3756826.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3719439.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3719439.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6925739.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6925739.exe
    3⤵
    - Executes dropped EXE
    PID:1768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

y3756826.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3756826.exe
Size 307KB
SHA256 23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94
MD5 ca2ad17b64a10b961c2b14a7e47a8030
SHA1 a339ebb686b832fc87af3c287f67d8ef52e140e8
SHA512 ad5e5a03336562d58b02f2556eb833fe3c39d2a7c47584379059cc5a584be1efc981cde4c84a350a4bb244502a73fb7bf0bee7b03b4ef002bb6ecc17d3caff04
SSDEEP 6144:Kqy+bnr+2p0yN90QEw5F5OYc1u31g4TByUo0b4jut7dJdVRbpDXtOBC:uMrCy90qxc1u31TTEt0cKt/tOA
MD5 SHA1 SHA512 SSDEEP

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k3719439.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3719439.exe
Size 180KB
SHA256 a88a17437aa434a4c8df1657b4ac4c72d5d65247c160b7d2351101a2955ecd0c
MD5 0e2a8712db80505e38c2816483598edf
SHA1 8ff6735fc1c080fb73825928f2bf9aa409b3758c
SHA512 1076c1d65c2bd3be562d57ebe5a00af294242456a80a4149e3ae5ed1816a35abdab48cca90617ccb9839a14020391ed425cedba42f63c75b8488f45485108d91
SSDEEP 3072:pDKW1LgppLRHMY0TBfJvjcTp5XZpa8nqeo7Qbeues6Y:pDKW1Lgbdl0TBBvjc/S81Sues
MD5 SHA1 SHA512 SSDEEP

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l6925739.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6925739.exe
Size 168KB
SHA256 0fce1f4c2a87e2bdccfe4c3112f837d1fdeb91edb113f055787e29000a4a348b
MD5 9eb1e1ed0fb5f198b60699f1d6f2c4d8
SHA1 0a93100586a585ffaceecff9c67cf28e703b67d2
SHA512 fe9679472176c5d0648355a230eb9b77a19d565b17cb957a14d96d60df338f039ddbbdc97c611776239e8b5b3e842c85e8ac6b50882feb59917a1bb12496140d
SSDEEP 1536:8HHDXepqlVZRGWnKarISqKkH1jgl3mfTGqVibutZFryIaQ383wYkz8e8hg:yOMcSqKEoWyqV2MFeIaQ3t8e8hg
MD5 SHA1 SHA512 SSDEEP

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memory/1012-28-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-48-0x0000000073FD0000-0x0000000074780000-memory.dmp

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memory/1012-16-0x0000000073FD0000-0x0000000074780000-memory.dmp

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memory/1012-18-0x00000000024B0000-0x00000000024C8000-memory.dmp

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memory/1012-46-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-44-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-42-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-40-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-38-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-36-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-34-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-32-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-30-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-15-0x0000000002490000-0x00000000024AA000-memory.dmp

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memory/1012-17-0x00000000049D0000-0x0000000004F74000-memory.dmp

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memory/1012-26-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-14-0x0000000073FDE000-0x0000000073FDF000-memory.dmp

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memory/1012-19-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-24-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-47-0x0000000073FD0000-0x0000000074780000-memory.dmp

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memory/1012-22-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1012-50-0x0000000073FD0000-0x0000000074780000-memory.dmp

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memory/1012-20-0x00000000024B0000-0x00000000024C2000-memory.dmp

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memory/1768-54-0x0000000000BC0000-0x0000000000BF0000-memory.dmp

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memory/1768-55-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

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memory/1768-56-0x000000000AF30000-0x000000000B548000-memory.dmp

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memory/1768-57-0x000000000AA30000-0x000000000AB3A000-memory.dmp

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memory/1768-58-0x000000000A960000-0x000000000A972000-memory.dmp

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memory/1768-59-0x000000000A9C0000-0x000000000A9FC000-memory.dmp

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memory/1768-60-0x0000000004DF0000-0x0000000004E3C000-memory.dmp

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