healer | 23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563

Analysis

max time kernel
118s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 09:15

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General

Target

23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe
Size

551KB
MD5

13ec6abcb562db2af342f3966d916c48
SHA1

82cad6698b87966f062a623ad126d6673860e4c3
SHA256

23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563
SHA512

b585a9544481c40578f79f519dad50ef71e0c53e65c9e1b324b1b6279b0c3bc674eb008afbf40f3fe5b93a2bb44bfaa3ef9a3d2094e3a5134f28a132b86f8c4c
SSDEEP

12288:1Mrgy90/styzWpr8w9yV+b9F5m2j4nHUQ5Fw/NpVke:NyIUSWprfyyOHG/Npae

Score

10^/10

healer redline ronam discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

ronam

193.233.20.17:4139

Attributes

auth_value
125421d19d14dd7fd211bc7f6d4aea6c

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023baa-12.dat	healer
behavioral1/memory/1504-15-0x0000000000450000-0x000000000045A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	kRZ74xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	kRZ74xy.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	kRZ74xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	kRZ74xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	kRZ74xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	kRZ74xy.exe

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

RedLine payload 35 IoCs

resource	yara_rule
behavioral1/memory/4820-22-0x0000000002460000-0x00000000024A6000-memory.dmp	family_redline
behavioral1/memory/4820-24-0x0000000004C10000-0x0000000004C54000-memory.dmp	family_redline
behavioral1/memory/4820-42-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-40-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-88-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-86-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-84-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-82-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-80-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-78-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-76-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-74-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-72-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-68-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-66-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-64-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-62-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-60-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-58-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-54-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-52-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-50-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-48-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-46-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-44-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-38-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-36-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-34-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-32-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-30-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-70-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-56-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-28-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-26-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline
behavioral1/memory/4820-25-0x0000000004C10000-0x0000000004C4E000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
4756	duA2518.exe
1504	kRZ74xy.exe
4820	nTk86li.exe

Windows security modification 2 TTPs 1 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"	kRZ74xy.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	duA2518.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\\\""	23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	duA2518.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nTk86li.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1504	kRZ74xy.exe
1504	kRZ74xy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	kRZ74xy.exe
Token: SeDebugPrivilege	4820	nTk86li.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4756	1956	23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe	83
PID 1956 wrote to memory of 4756	1956	23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe	83
PID 1956 wrote to memory of 4756	1956	23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe	83
PID 4756 wrote to memory of 1504	4756	duA2518.exe	84
PID 4756 wrote to memory of 1504	4756	duA2518.exe	84
PID 4756 wrote to memory of 4820	4756	duA2518.exe	92
PID 4756 wrote to memory of 4820	4756	duA2518.exe	92
PID 4756 wrote to memory of 4820	4756	duA2518.exe	92

C:\Users\Admin\AppData\Local\Temp\23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe
"C:\Users\Admin\AppData\Local\Temp\23876a8ec8457d313b01a91fca93d29a6044f7a2b8bad05e0567c3926da2e563.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\duA2518.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\duA2518.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kRZ74xy.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kRZ74xy.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1504
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nTk86li.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nTk86li.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4820

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\duA2518.exe

Filesize
406KB

MD5
7f4ecdfc2b66aa8f810e239bad4fe071

SHA1
30377a4a0e3375482f5f66193c8b7aed5fdaafc5

SHA256
46003e4a0c11e387489e1b1ad09d92287eff0074a7d951477f9c2549b06974c6

SHA512
47ef1ad7c89111db585e38613b4c2ac13f67b2213ba10105f00434f437e4a869d8735bd83c4622457ecdd7b393e1980a10bebe7055d4d05a6a416f65ae29ee61

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kRZ74xy.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nTk86li.exe

Filesize
330KB

MD5
d2eb227a23cdaca4951867e11d0d818f

SHA1
19074af4a97df8cf80b62dd33f8816de4ecfc9f7

SHA256
20b49145ce7ae4b6e7f4ff9600a38300914b1ace56b7ff97c4b143a0f477f9b8

SHA512
ea9076967cd8e9bec076dbade127043bb9f752e3ec5c02c72dbee599c35b6b879515deff3327ed735f3ae15cd10357254841c180ca52c0d8c091e3ddb2acbbeb

Download Submit
memory/1504-14-0x00007FFAAFCE3000-0x00007FFAAFCE5000-memory.dmp

Filesize
8KB

Download
memory/1504-15-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/1504-16-0x00007FFAAFCE3000-0x00007FFAAFCE5000-memory.dmp

Filesize
8KB

Download
memory/4820-64-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-52-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-24-0x0000000004C10000-0x0000000004C54000-memory.dmp

Filesize
272KB

Download
memory/4820-42-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-40-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-88-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-86-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-84-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-82-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-80-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-78-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-76-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-74-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-72-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-68-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-66-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-22-0x0000000002460000-0x00000000024A6000-memory.dmp

Filesize
280KB

Download
memory/4820-62-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-60-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-58-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-54-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-23-0x0000000004C80000-0x0000000005224000-memory.dmp

Filesize
5.6MB

Download
memory/4820-50-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-48-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-46-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-44-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-38-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-36-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-34-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-32-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-30-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-70-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-56-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-28-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-26-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-25-0x0000000004C10000-0x0000000004C4E000-memory.dmp

Filesize
248KB

Download
memory/4820-931-0x0000000005270000-0x0000000005888000-memory.dmp

Filesize
6.1MB

Download
memory/4820-932-0x0000000005910000-0x0000000005A1A000-memory.dmp

Filesize
1.0MB

Download
memory/4820-933-0x0000000005A50000-0x0000000005A62000-memory.dmp

Filesize
72KB

Download
memory/4820-934-0x0000000005B70000-0x0000000005BAC000-memory.dmp

Filesize
240KB

Download
memory/4820-935-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

Filesize
304KB

Download