healer | 745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea

General

Target

745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe
Size

480KB
MD5

7a04dbbeb9acb9146cdb365c9862fddf
SHA1

df47986a6a14676531c78891702c6f92bbfef1d5
SHA256

745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea
SHA512

65c216f825c7e738cd52b114bf9318b2d3ef12a6a13d0ed8b833a7596f166d146857b254ab612f6ab991f45fe831ff4d058b2c8a6b9be91d4c4a1f1bddf13f76
SSDEEP

6144:Kyy+bnr+hp0yN90QEnNB7WAnZc4oGqMG/StBAus/q3iR9LSSxXJl3yihGEYfFq9N:uMrxy90dNKm3Wu29Ll5Jl3xhAg3Pfh

Score

10^/10

healer redline mofun discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mofun

C2

217.196.96.101:4132

Attributes

auth_value
da5d4987d25c2de43d34fcc99b29fff3

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/4744-15-0x0000000004A00000-0x0000000004A1A000-memory.dmp	healer
behavioral1/memory/4744-18-0x0000000005080000-0x0000000005098000-memory.dmp	healer
behavioral1/memory/4744-24-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-48-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-46-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-44-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-42-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-40-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-38-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-36-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-34-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-32-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-30-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-28-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-26-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-22-0x0000000005080000-0x0000000005092000-memory.dmp	healer
behavioral1/memory/4744-21-0x0000000005080000-0x0000000005092000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a4156356.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a4156356.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a4156356.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a4156356.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a4156356.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a4156356.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
behavioral1/files/0x000a000000023b7d-54.dat	family_redline
behavioral1/memory/3572-56-0x0000000000B80000-0x0000000000BB0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3648	v7903521.exe
4744	a4156356.exe
3572	b4825454.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	a4156356.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a4156356.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\\\""	745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.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\\\""	v7903521.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v7903521.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4156356.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4825454.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4744	a4156356.exe
4744	a4156356.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	a4156356.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 3648	1036	745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe	83
PID 1036 wrote to memory of 3648	1036	745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe	83
PID 1036 wrote to memory of 3648	1036	745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe	83
PID 3648 wrote to memory of 4744	3648	v7903521.exe	84
PID 3648 wrote to memory of 4744	3648	v7903521.exe	84
PID 3648 wrote to memory of 4744	3648	v7903521.exe	84
PID 3648 wrote to memory of 3572	3648	v7903521.exe	97
PID 3648 wrote to memory of 3572	3648	v7903521.exe	97
PID 3648 wrote to memory of 3572	3648	v7903521.exe	97

C:\Users\Admin\AppData\Local\Temp\745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe
"C:\Users\Admin\AppData\Local\Temp\745756aea8c189a9d561e69c58f840b3945a45f306d40d267f782b7e543741ea.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7903521.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7903521.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4156356.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4156356.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4744
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4825454.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4825454.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7903521.exe

Filesize
309KB

MD5
28b0ba037aa30e76b988e7aa335e90c8

SHA1
e047f96a7df07da8b4f4741b3aea77d327b26374

SHA256
033b24b230777ee3004317c8d08eee460c4ee3c4cc541e6b5e0f510f2c3ac548

SHA512
739ecaa34868c8035674ee911d2eb4531182d4d2d5e0bfa29c7ec3c247c09b7930bd37753a3aa77ed7c887f667b8751a4b3d93b1e90f604f279e14848e3e37fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4156356.exe

Filesize
181KB

MD5
af0cf09fb77644b14385ecaaefa83104

SHA1
f7c0d8295c444d5ff24164c16c2a2413607fcefc

SHA256
d3427eea1e031c5f3c66eba99180efdabd5c2630b83bdcc9e1a4e3b7e666f150

SHA512
ec55abf5ac187113e23e6e85242c6e73c36ec9afa52dd8eacfa8f50eadf502d7f00398755cac72ec83857596e11571f31a54aed2db22d046b6e6fd580541e6e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4825454.exe

Filesize
168KB

MD5
d27fd72eddcd357ffd8b0349755d445b

SHA1
1fd21b170e982e08a04e8ca91607cd8f1681a51c

SHA256
7ff68aa6c98c25eddb4412ec70b155d3a8f0a7b1b8e783aac8f843fa8a56440f

SHA512
9a272420c5a9bc658cf6b588d1cd0c9368afd53bc217efff54014c8fd21840aec7e296b81a86185d413f2d4e84c3c31e15a05a9ae2e37345468033613c1125a2

Download Submit
memory/3572-62-0x0000000004E80000-0x0000000004ECC000-memory.dmp

Filesize
304KB

Download
memory/3572-61-0x000000000A980000-0x000000000A9BC000-memory.dmp

Filesize
240KB

Download
memory/3572-60-0x000000000A920000-0x000000000A932000-memory.dmp

Filesize
72KB

Download
memory/3572-59-0x000000000A9F0000-0x000000000AAFA000-memory.dmp

Filesize
1.0MB

Download
memory/3572-58-0x000000000AEF0000-0x000000000B508000-memory.dmp

Filesize
6.1MB

Download
memory/3572-57-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/3572-56-0x0000000000B80000-0x0000000000BB0000-memory.dmp

Filesize
192KB

Download
memory/4744-36-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-21-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-44-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-42-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-40-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-38-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-48-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-34-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-32-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-30-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-28-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-26-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-22-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-46-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-49-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/4744-50-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4744-52-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4744-24-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/4744-20-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4744-19-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4744-18-0x0000000005080000-0x0000000005098000-memory.dmp

Filesize
96KB

Download
memory/4744-17-0x0000000004A70000-0x0000000005014000-memory.dmp

Filesize
5.6MB

Download
memory/4744-16-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4744-15-0x0000000004A00000-0x0000000004A1A000-memory.dmp

Filesize
104KB

Download
memory/4744-14-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads