healer | b0775c8fcdd8ebb0123f9b03757952498595475777fac3bbde3e90ed10d13558

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 14:47

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General

Target

755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe
Size

1.5MB
MD5

1bb75354d6a880535e819b8fdf2c8d44
SHA1

94e0291d9d7edf7ccd5f353aa0ada8e05e6c8dd4
SHA256

755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41
SHA512

006930c07e78a96131c1a339f014a82ce92ca1ecdacb6a23415316fb89a3f0394cd8379958278e8482483730d5435bea8f6bd81411ca84ac4a69ed31952aef21
SSDEEP

24576:iyVX5loIiP1DgjsZYPlJ4HIpTuWNMrNMbKXtmwHHRe6YYZDQQDljvq8Ek:JVXAvPKIELmUTXNMrnRReFY5QQJjvq8

Score

10^/10

healer redline masha dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

masha

77.91.68.48:19071

Attributes

auth_value
55b9b39a0dae383196a4b8d79e5bb805

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral11/memory/1788-28-0x0000000000420000-0x000000000042A000-memory.dmp	healer
behavioral11/files/0x000700000002342f-35.dat	healer
behavioral11/memory/4008-37-0x0000000000490000-0x000000000049A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b6285919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b6285919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b6285919.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8252631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8252631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8252631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8252631.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b6285919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b6285919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8252631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8252631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b6285919.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
behavioral11/memory/432-43-0x0000000000440000-0x0000000000470000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
4232	v2323350.exe
1480	v4949453.exe
1540	v6321787.exe
1788	a8252631.exe
4008	b6285919.exe
432	c9599982.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	b6285919.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a8252631.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8252631.exe

Adds Run key to start application 2 TTPs 4 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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v2323350.exe
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\\\""	v4949453.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	v6321787.exe
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\\\""	755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1788	a8252631.exe
1788	a8252631.exe
4008	b6285919.exe
4008	b6285919.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	a8252631.exe
Token: SeDebugPrivilege	4008	b6285919.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 4232	3380	755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe	82
PID 3380 wrote to memory of 4232	3380	755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe	82
PID 3380 wrote to memory of 4232	3380	755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe	82
PID 4232 wrote to memory of 1480	4232	v2323350.exe	83
PID 4232 wrote to memory of 1480	4232	v2323350.exe	83
PID 4232 wrote to memory of 1480	4232	v2323350.exe	83
PID 1480 wrote to memory of 1540	1480	v4949453.exe	84
PID 1480 wrote to memory of 1540	1480	v4949453.exe	84
PID 1480 wrote to memory of 1540	1480	v4949453.exe	84
PID 1540 wrote to memory of 1788	1540	v6321787.exe	85
PID 1540 wrote to memory of 1788	1540	v6321787.exe	85
PID 1540 wrote to memory of 1788	1540	v6321787.exe	85
PID 1540 wrote to memory of 4008	1540	v6321787.exe	97
PID 1540 wrote to memory of 4008	1540	v6321787.exe	97
PID 1480 wrote to memory of 432	1480	v4949453.exe	98
PID 1480 wrote to memory of 432	1480	v4949453.exe	98
PID 1480 wrote to memory of 432	1480	v4949453.exe	98

C:\Users\Admin\AppData\Local\Temp\755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe
"C:\Users\Admin\AppData\Local\Temp\755b6a534ecd54fe181f1ec9de55ba3fba4d9177430ed1586a6ecc6183812e41.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2323350.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2323350.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4232
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4949453.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4949453.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6321787.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6321787.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1540
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8252631.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8252631.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1788
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6285919.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6285919.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4008
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9599982.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9599982.exe
      4⤵
      Executes dropped EXE
      PID:432

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\v2323350.exe

Filesize
1.4MB

MD5
0d85fc69da9324944242e79dbc1eefde

SHA1
395ff38307e576a0b6620f3af95ce1a6a661bcad

SHA256
2c0c54f060489cc82a15e95c8c2819583482cc493d3c58341453a173e8d87bb9

SHA512
7ca13450dfc269e0e858eeba715d8f191d98d36de1e9ade4f52ee415cc61ee31f0ecc7f92525ab058e4e057b97e0c229af58805c7d4d77fa049e4f3a3e8aa35f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4949453.exe

Filesize
1.2MB

MD5
73c53ab529c8a6fa83de95bf5ebb304b

SHA1
c063d1e63fb64d020da7582a67e17a3357d2a819

SHA256
5be2d1bcc4d9ee4f6e33bee68338b55812fe96d3f854b6d950ea43fd16290d69

SHA512
884949c9e742b3c15268808da62d6323510159fc1066a6eee00f602731b6cd0e336638ea6e35410dbe9fdd057bfe28f746e69d23d0e3471ea49d60f4e4924a13

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c9599982.exe

Filesize
692KB

MD5
475d0ecc8694f7095508c0bd5b0ae28e

SHA1
dc069c0912dcfbefd45a500cb3278e39c67c955e

SHA256
8712754417238e8bccd196c9235446c7bc25b95be69774d359b49057325e4f8d

SHA512
b11a2067a2f103df629fc030a32ceff4d0bdbbe040b01411fc060925225486a9a1c6a0a1cd72eb987bd8d0e3e64bf88d1938e7214cf365ffdc8a2b0edc1b26e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6321787.exe

Filesize
620KB

MD5
5ad3b8790bf7d920f98f4d64ff7c7412

SHA1
e999531a09f6856535a3adc0d90d796486a33b99

SHA256
42c8992894c5db50511241661e52512a2c55078102f8693fd4f229a1d868aec2

SHA512
f8ff9fa3cc42dccb6628b991b2ce1d37474f5e05d0f4dc8497a77d7c30d155862e4bc18626b95f9e08e0b6c814a31abf2870ee2feb605ebf4db918cf93ff78d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8252631.exe

Filesize
530KB

MD5
d74cb65d452b63e69711a30e3f15ff47

SHA1
030a72a4b9dae5e353d720068c5eb7ef6080bdb3

SHA256
93b8bbb8698f84222d85143b6580eae2e743572ea364378b0322fe17f2400da2

SHA512
d038a10ac29af26469b85783072851390918de10dfb285ad794f034d4deef5c2e860ec16750685a11fde5ce2c886016bddbef8097db9f8f59fcd94a98fe47acd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6285919.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/432-49-0x000000000A510000-0x000000000A61A000-memory.dmp

Filesize
1.0MB

Download
memory/432-43-0x0000000000440000-0x0000000000470000-memory.dmp

Filesize
192KB

Download
memory/432-47-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download
memory/432-48-0x0000000009EF0000-0x000000000A508000-memory.dmp

Filesize
6.1MB

Download
memory/432-50-0x000000000A640000-0x000000000A652000-memory.dmp

Filesize
72KB

Download
memory/432-51-0x000000000A660000-0x000000000A69C000-memory.dmp

Filesize
240KB

Download
memory/432-52-0x00000000044B0000-0x00000000044FC000-memory.dmp

Filesize
304KB

Download
memory/1788-28-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/4008-37-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download