healer | efe008ef2d2f134b3dc13b0e7774cf5afaac37652f491658b45665e175cf12b9

Analysis

max time kernel
142s
max time network
152s
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 14:15

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General

Target

ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.exe
Size

481KB
MD5

3fb94d2cd967f1b24a98a7793682109d
SHA1

084c6ae94fd17bf205f394cc3c868bbae8bded84
SHA256

ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b
SHA512

92b3e81fa7440c493fe681ac4e60f9a0756eede0400b9bc003f7f89222f4b8106ac71ac938fa4b75616d0b8b11169b1a037205e89a1c1f1031046227da26db72
SSDEEP

12288:FMrHy90xhkX5GOiNlHVPPZXaudS9iKus:Cyqs4vRNaud8ids

Score

10^/10

healer redline mihan dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mihan

217.196.96.101:4132

Attributes

auth_value
9a6a8fdae02ed7caa0a49a6ddc6d4520

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral16/memory/2124-15-0x0000000002590000-0x00000000025AA000-memory.dmp	healer
behavioral16/memory/2124-18-0x00000000025F0000-0x0000000002608000-memory.dmp	healer
behavioral16/memory/2124-30-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-46-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-44-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-42-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-40-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-38-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-36-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-34-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-32-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-28-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-26-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-24-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-22-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-20-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral16/memory/2124-19-0x00000000025F0000-0x0000000002602000-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	a3027297.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a3027297.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a3027297.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a3027297.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a3027297.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a3027297.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
behavioral16/files/0x0007000000023418-51.dat	family_redline
behavioral16/memory/2724-53-0x00000000005C0000-0x00000000005F0000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4172	v7491057.exe
2124	a3027297.exe
2724	b5851738.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	a3027297.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a3027297.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\\\""	ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.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\\\""	v7491057.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2124	a3027297.exe
2124	a3027297.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	a3027297.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 4172	1704	ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.exe	83
PID 1704 wrote to memory of 4172	1704	ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.exe	83
PID 1704 wrote to memory of 4172	1704	ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.exe	83
PID 4172 wrote to memory of 2124	4172	v7491057.exe	84
PID 4172 wrote to memory of 2124	4172	v7491057.exe	84
PID 4172 wrote to memory of 2124	4172	v7491057.exe	84
PID 4172 wrote to memory of 2724	4172	v7491057.exe	88
PID 4172 wrote to memory of 2724	4172	v7491057.exe	88
PID 4172 wrote to memory of 2724	4172	v7491057.exe	88

C:\Users\Admin\AppData\Local\Temp\ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.exe
"C:\Users\Admin\AppData\Local\Temp\ec20c355119abdb18d4433dc95969146db3a558e4e316a175b184ea42d45f89b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7491057.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7491057.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a3027297.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a3027297.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2124
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5851738.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5851738.exe
    3⤵
    - Executes dropped EXE
    PID:2724

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\Temp\IXP000.TMP\v7491057.exe

Filesize
309KB

MD5
29b6f7f057eac5b191f6c8afd570de01

SHA1
42d70940116df9fd978d8c6c8429c125fc421670

SHA256
c47b15f9672b5795b62a389de76336302127184be510254d08b9b5100134dd7d

SHA512
08da0693b309a1b7549610f10e1f90e47deb87033a78403caa0220e916ffb2f4126f07848d7a8c1f94c947ce2915933ad205cb4e5ba54f5d0d560cf486642207

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a3027297.exe

Filesize
180KB

MD5
a92537fedf49fd467c41d80bde9ba55d

SHA1
685abba2395ef1a3405f91e849e452ee4aa99226

SHA256
a0e9f5fb78ce13719eba331ddc31e1c9e0c7712c8466692695331657658ff404

SHA512
c90ceefe96baeb9583e1834ec1b3b058785cf466a2d998c32e3e644413e9ad515359ccccb87c8575af0120be27af3dd167dcdbe01c3246fb451b6d321c80282f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b5851738.exe

Filesize
168KB

MD5
a71b72e1859bd9a5c048a3c5ee5dfc7b

SHA1
99896b37b82091d11c534ec59e0c4204f4cd0fcc

SHA256
141b7eea951585dfd88dbdcd219722d2d8307fc7cbf8c720bd23e3b897966d60

SHA512
b970d9a52df7a0f34e53515f0a6ca9f6cd01d6b1efefc0c4ccbd08a789281251a57181f813e2c2ddef1d679e73f15357842367307052dd25204c16904c605ce1

Download Submit
memory/2124-46-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-30-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-28-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-18-0x00000000025F0000-0x0000000002608000-memory.dmp

Filesize
96KB

Download
memory/2124-26-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-15-0x0000000002590000-0x00000000025AA000-memory.dmp

Filesize
104KB

Download
memory/2124-44-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-47-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/2124-42-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-40-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-38-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-24-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-34-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-32-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-17-0x0000000004B00000-0x00000000050A4000-memory.dmp

Filesize
5.6MB

Download
memory/2124-16-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/2124-36-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-22-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-20-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-19-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/2124-49-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/2124-14-0x0000000073FDE000-0x0000000073FDF000-memory.dmp

Filesize
4KB

Download
memory/2724-53-0x00000000005C0000-0x00000000005F0000-memory.dmp

Filesize
192KB

Download
memory/2724-54-0x0000000002850000-0x0000000002856000-memory.dmp

Filesize
24KB

Download
memory/2724-55-0x000000000A960000-0x000000000AF78000-memory.dmp

Filesize
6.1MB

Download
memory/2724-56-0x000000000A450000-0x000000000A55A000-memory.dmp

Filesize
1.0MB

Download
memory/2724-57-0x000000000A360000-0x000000000A372000-memory.dmp

Filesize
72KB

Download
memory/2724-58-0x000000000A3C0000-0x000000000A3FC000-memory.dmp

Filesize
240KB

Download
memory/2724-59-0x0000000002710000-0x000000000275C000-memory.dmp

Filesize
304KB

Download