healer | a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46

General

Target

a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe
Size

711KB
MD5

cbad7881812af0a19892b86fbabc21e6
SHA1

44a357f369e14352cab460dc854201d561df5f31
SHA256

a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46
SHA512

228b4706592fb7d89f86a7d0981836a457d851d7e3140b32d38a5d27d7ed3a86e3855b5e45df1181557476f8787122e84a8e99e10f0ad1b33297e1f1cda3d734
SSDEEP

12288:SMr0y90Ky6EE5noOHwtFWMhIBmZUfPE4uz3AMg5v7aq8hXgFQ:ayEgnyWCIBmqPCjAP5v7aqsgFQ

Score

10^/10

healer redline mazda discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mazda

C2

217.196.96.56:4138

Attributes

auth_value
3d2870537d84a4c6d7aeecd002871c51

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/1748-19-0x0000000002640000-0x000000000265A000-memory.dmp	healer
behavioral1/memory/1748-21-0x0000000002820000-0x0000000002838000-memory.dmp	healer
behavioral1/memory/1748-45-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-49-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-47-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-43-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-41-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-40-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-37-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-35-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-33-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-31-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-29-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-27-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-25-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-23-0x0000000002820000-0x0000000002832000-memory.dmp	healer
behavioral1/memory/1748-22-0x0000000002820000-0x0000000002832000-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	a3587666.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a3587666.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a3587666.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a3587666.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a3587666.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a3587666.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/0x000a000000023b9b-57.dat	family_redline
behavioral1/memory/4408-59-0x0000000000C20000-0x0000000000C50000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
540	v3607407.exe
1748	a3587666.exe
4408	b2621950.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	a3587666.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a3587666.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\\\""	a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.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\\\""	v3607407.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1648	1748	WerFault.exe	85

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	a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3607407.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3587666.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2621950.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1748	a3587666.exe
1748	a3587666.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	a3587666.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 540	1672	a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe	83
PID 1672 wrote to memory of 540	1672	a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe	83
PID 1672 wrote to memory of 540	1672	a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe	83
PID 540 wrote to memory of 1748	540	v3607407.exe	85
PID 540 wrote to memory of 1748	540	v3607407.exe	85
PID 540 wrote to memory of 1748	540	v3607407.exe	85
PID 540 wrote to memory of 4408	540	v3607407.exe	95
PID 540 wrote to memory of 4408	540	v3607407.exe	95
PID 540 wrote to memory of 4408	540	v3607407.exe	95

C:\Users\Admin\AppData\Local\Temp\a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe
"C:\Users\Admin\AppData\Local\Temp\a0c1f17728201ddafb283d1665742883370847a4d5e09406f0015b5d496a0d46.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3607407.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3607407.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a3587666.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a3587666.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:1748
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 1080
      4⤵
      Program crash
      PID:1648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2621950.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2621950.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1748 -ip 1748
1⤵
PID:2884

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\v3607407.exe

Filesize
416KB

MD5
da9351d9cde09d3d48af159a04e07e39

SHA1
55b8dce09b41afbdaada9fc7acac58b4a9f2ef01

SHA256
1a4e70f541f2f8f68be3d2e9767a235e450726182d1792022524ac332b91a958

SHA512
d0b222492fd768f346ed93da72a476fcf432aa9dca02351c146bbd2446b387ef42ef9d2aebb62703f9315301c7ff094a6baf4991d4d641841f3d462ae0fc3ed0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a3587666.exe

Filesize
360KB

MD5
761aefd42de18bd403f0bdb43fd17086

SHA1
0c8fdf3540cace65d682ed5418bb1c9b316ed3d3

SHA256
d822ddaa8b918f118bab14035e6f31e77c976a628841fce1cdfa600ec50a940a

SHA512
5ffad12edd9ec55c2b7de91e213d404882d525e0a10552b4ceca4508bc6098e35a5658c87924e5025f219d35911dd4abe9d2ebdc58f1561f2150b51e75d2c364

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2621950.exe

Filesize
168KB

MD5
2f152e04a53df1adecec11f01a1ec586

SHA1
ec11267d67644fe59152db1178ad932b78af5292

SHA256
c7e2dc08570d88f57589392f948f29cbedfd40c8f5d8290d336c51f279d44ec1

SHA512
8924fc4f6a8a02c5897a8226f675ff2d76e0cf76709103026526ad1e0951de0f451cae7ff13adb15b7f58fc6be3b88eed8d2a97551f539357dde82f93c6053fe

Download Submit
memory/1748-31-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-27-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-18-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1748-19-0x0000000002640000-0x000000000265A000-memory.dmp

Filesize
104KB

Download
memory/1748-20-0x0000000004E50000-0x00000000053F4000-memory.dmp

Filesize
5.6MB

Download
memory/1748-21-0x0000000002820000-0x0000000002838000-memory.dmp

Filesize
96KB

Download
memory/1748-45-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-49-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-47-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-43-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-41-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-40-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-37-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-35-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-33-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-16-0x0000000000780000-0x00000000007AD000-memory.dmp

Filesize
180KB

Download
memory/1748-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1748-25-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-29-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-23-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-22-0x0000000002820000-0x0000000002832000-memory.dmp

Filesize
72KB

Download
memory/1748-50-0x0000000000820000-0x0000000000920000-memory.dmp

Filesize
1024KB

Download
memory/1748-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1748-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1748-54-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1748-15-0x0000000000820000-0x0000000000920000-memory.dmp

Filesize
1024KB

Download
memory/4408-59-0x0000000000C20000-0x0000000000C50000-memory.dmp

Filesize
192KB

Download
memory/4408-60-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/4408-61-0x0000000005BF0000-0x0000000006208000-memory.dmp

Filesize
6.1MB

Download
memory/4408-62-0x00000000056E0000-0x00000000057EA000-memory.dmp

Filesize
1.0MB

Download
memory/4408-63-0x0000000005490000-0x00000000054A2000-memory.dmp

Filesize
72KB

Download
memory/4408-64-0x0000000005610000-0x000000000564C000-memory.dmp

Filesize
240KB

Download
memory/4408-65-0x0000000005650000-0x000000000569C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads