healer | fea4a5268fd3fad5b4772bcf4ef021d104110cff4b7bd43f6ad10ebcab7b0916

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 14:35

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General

Target

f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.exe
Size

864KB
MD5

b256e9fc25625b83e43a74ea8307026d
SHA1

8bddc4828acbc99bb6b144ed6c2ca8ea918f9345
SHA256

f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc
SHA512

60bf45c3636a766acbe9e0614ee3f88709259e6a81e65b08f107648c17e4ae73de0cbd737e8c03dcc02401e8ee3c403aa2216b31e68fb9c5ce1ab76e3624624d
SSDEEP

12288:EMrry90/YoqPF09KlVJVkFpsJHw/zCZjnNHTSNKdiWBCDnz17X2dvVvtXIHsnzdR:/yMUnVDknWCzCjnHOjzN2d5t70yrNhV

Score

10^/10

healer redline kira dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

kira

77.91.68.48:19071

Attributes

auth_value
1677a40fd8997eb89377e1681911e9c6

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral25/memory/4036-15-0x0000000000420000-0x000000000042A000-memory.dmp	healer
behavioral25/memory/4036-19-0x0000000000400000-0x0000000000412000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k2394512.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k2394512.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k2394512.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k2394512.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k2394512.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k2394512.exe

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral25/memory/4500-26-0x0000000000620000-0x0000000000650000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
3760	y2995566.exe
4036	k2394512.exe
4500	l3998756.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	k2394512.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k2394512.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\\\""	f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.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\\\""	y2995566.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4036	k2394512.exe
4036	k2394512.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	k2394512.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 3760	4524	f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.exe	83
PID 4524 wrote to memory of 3760	4524	f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.exe	83
PID 4524 wrote to memory of 3760	4524	f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.exe	83
PID 3760 wrote to memory of 4036	3760	y2995566.exe	84
PID 3760 wrote to memory of 4036	3760	y2995566.exe	84
PID 3760 wrote to memory of 4036	3760	y2995566.exe	84
PID 3760 wrote to memory of 4500	3760	y2995566.exe	94
PID 3760 wrote to memory of 4500	3760	y2995566.exe	94
PID 3760 wrote to memory of 4500	3760	y2995566.exe	94

C:\Users\Admin\AppData\Local\Temp\f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.exe
"C:\Users\Admin\AppData\Local\Temp\f1ae7fab47b54b57b64fe4b0569d28421b914cc77c243cf2d59a0645d15e8ecc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2995566.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2995566.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k2394512.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k2394512.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4036
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3998756.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3998756.exe
    3⤵
    - Executes dropped EXE
    PID:4500

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2995566.exe

Filesize
680KB

MD5
763ffc96f093a48d1fc0c96bb430a06a

SHA1
1ebc17b9213dc3475dc64fa67256b91ddbf4f9a1

SHA256
486fc046814c537646a21c9897140f030f3cf6dd0a016d19b9fa3feb231037ad

SHA512
e57b363ab339ec8b0bcf1943fb3a37b6715bbb65300b003d10ac6075f82a04bc2ad203bfbc773e30ced323d0abfe28ace879f22b96b63d2a7a8da86857a75313

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k2394512.exe

Filesize
530KB

MD5
4245f21518f322eb9812ce7b73d93972

SHA1
3a3207e35f59b60d9eee6a1b33d23c7d9e9e064b

SHA256
bbad228a6fd76de67c9658d40ebba65d3bdef52dd6441f9a1390d4da5d7941a1

SHA512
1589c105a8595f0906c6ce0ac4ba4aaae8d6c4e9bdc80188d096cf750a577def4e5a478b978d602f7380eacad3f4c6436c322869b5bb1ba440db5ebe8e05585b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3998756.exe

Filesize
692KB

MD5
ea42acb4e53040846589dddae1fe1b28

SHA1
1e509386d256fc81e62f91e8a19c3e368ce9c973

SHA256
e4eea9a1c2e853b5974d2efc024264f1348b9788b96011c1f9917071dabef890

SHA512
57c88dca757deffd2893d1a2c8d3a128fdfe1f8f148754f94bb0e11a14642721efa724ca16407bc640f9198742ede27514e2541e4c89407a6c8e3f5a136ee22d

Download Submit
memory/4036-14-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4036-15-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/4036-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4500-26-0x0000000000620000-0x0000000000650000-memory.dmp

Filesize
192KB

Download
memory/4500-30-0x0000000004A60000-0x0000000004A66000-memory.dmp

Filesize
24KB

Download
memory/4500-31-0x0000000005170000-0x0000000005788000-memory.dmp

Filesize
6.1MB

Download
memory/4500-32-0x0000000004B50000-0x0000000004C5A000-memory.dmp

Filesize
1.0MB

Download
memory/4500-33-0x0000000004AE0000-0x0000000004AF2000-memory.dmp

Filesize
72KB

Download
memory/4500-34-0x0000000004B00000-0x0000000004B3C000-memory.dmp

Filesize
240KB

Download
memory/4500-35-0x0000000004CC0000-0x0000000004D0C000-memory.dmp

Filesize
304KB

Download