healer | 28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26

General

Target

28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe
Size

479KB
MD5

5af94437d63c6f606a7e38bd56320e87
SHA1

943f99750ee4d4de5bb8053b0554e67cadf7c13c
SHA256

28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26
SHA512

b90cfcd02c482a866cd26ba5cf9006912f3253fd79ae114641a280a82bee1c55ccf9d35f387af8c7769ea845d27aaaeecb68b9fcb535593dec17cc8fb043f03d
SSDEEP

12288:nMr6y900kJgMW8G47/hVgnrdW7JKk8f8rx:Fy7kJwXUOrdZk8f8d

Score

10^/10

healer redline dumud discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dumud

C2

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/4484-15-0x0000000002190000-0x00000000021AA000-memory.dmp	healer
behavioral1/memory/4484-18-0x00000000024A0000-0x00000000024B8000-memory.dmp	healer
behavioral1/memory/4484-48-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-46-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-44-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-42-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-40-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-38-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-36-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-34-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-32-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-30-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-28-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-26-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-24-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-22-0x00000000024A0000-0x00000000024B2000-memory.dmp	healer
behavioral1/memory/4484-21-0x00000000024A0000-0x00000000024B2000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8260485.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k8260485.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8260485.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k8260485.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8260485.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8260485.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/0x000a000000023b70-54.dat	family_redline
behavioral1/memory/1764-56-0x00000000008F0000-0x0000000000920000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3548	y0776740.exe
4484	k8260485.exe
1764	l6975441.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	k8260485.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k8260485.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\\\""	28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.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\\\""	y0776740.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	28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y0776740.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k8260485.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l6975441.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4484	k8260485.exe
4484	k8260485.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4484	k8260485.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3548	5024	28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe	83
PID 5024 wrote to memory of 3548	5024	28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe	83
PID 5024 wrote to memory of 3548	5024	28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe	83
PID 3548 wrote to memory of 4484	3548	y0776740.exe	84
PID 3548 wrote to memory of 4484	3548	y0776740.exe	84
PID 3548 wrote to memory of 4484	3548	y0776740.exe	84
PID 3548 wrote to memory of 1764	3548	y0776740.exe	91
PID 3548 wrote to memory of 1764	3548	y0776740.exe	91
PID 3548 wrote to memory of 1764	3548	y0776740.exe	91

C:\Users\Admin\AppData\Local\Temp\28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe
"C:\Users\Admin\AppData\Local\Temp\28a3ab25bf846127be8603a314be5c848e2735a3cb18fca9a40ef3e1fad05f26.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0776740.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0776740.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3548
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8260485.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8260485.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:4484
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6975441.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6975441.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1764

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\y0776740.exe

Filesize
307KB

MD5
eb8b54c1defa874e372b7ab08f2973c0

SHA1
e1ca257e9ede7e30291af2348490346f3f7da3b1

SHA256
663c928d1cea45d67b7feaf97d835f782e1fc8fc819e8160db850bceb115805f

SHA512
0b7a965de9fbe957dfaf3910f4726b815fe8e5abd552f3d6921b0bce10b2aed9010fef172b5f0483c2bcbb0740548e43e1f7d8f5fca41383eb7e6f0801dcc750

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8260485.exe

Filesize
180KB

MD5
8792f44bd8eb731c892cf8e6820f93b2

SHA1
7dcbddb939b9b138376e73cf4bf305dba213bd2b

SHA256
4b1a3437e7eaa3131cc5c197d6036f26bae09af4ce516901de5016d04c8956cb

SHA512
3846457d850e9439c0d4067bfb5559516ed1c37781117302abe7642aef2a2c9236d55dbcceac83d31dca036b998842f4ca64111c61d5359ade8c66fa4acd77d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6975441.exe

Filesize
168KB

MD5
fbf4dc3d0e9b36d74e3b6792a4cba55b

SHA1
5aa8c98f8a611913d40164c528c7710935f6a852

SHA256
abc597e822e40bc80992bc9d4c071994e3a591e146c75ab462ed706a8c02c5a0

SHA512
61090f85dae6d6013f8b16bee0b1b878d538e630baa627856f9b254f42b19b0d35e8eedc1422b826c5a010b57750d4c9a2eda1fca7126dc572e617efc11159fd

Download Submit
memory/1764-62-0x0000000004A90000-0x0000000004ADC000-memory.dmp

Filesize
304KB

Download
memory/1764-61-0x000000000A6F0000-0x000000000A72C000-memory.dmp

Filesize
240KB

Download
memory/1764-60-0x000000000A690000-0x000000000A6A2000-memory.dmp

Filesize
72KB

Download
memory/1764-59-0x000000000A760000-0x000000000A86A000-memory.dmp

Filesize
1.0MB

Download
memory/1764-58-0x000000000AC00000-0x000000000B218000-memory.dmp

Filesize
6.1MB

Download
memory/1764-57-0x00000000051D0000-0x00000000051D6000-memory.dmp

Filesize
24KB

Download
memory/1764-56-0x00000000008F0000-0x0000000000920000-memory.dmp

Filesize
192KB

Download
memory/4484-34-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-21-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-42-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-40-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-38-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-36-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-46-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-32-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-30-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-28-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-26-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-24-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-22-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-44-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-49-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download
memory/4484-50-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4484-52-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4484-48-0x00000000024A0000-0x00000000024B2000-memory.dmp

Filesize
72KB

Download
memory/4484-20-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4484-19-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4484-18-0x00000000024A0000-0x00000000024B8000-memory.dmp

Filesize
96KB

Download
memory/4484-17-0x00000000049B0000-0x0000000004F54000-memory.dmp

Filesize
5.6MB

Download
memory/4484-16-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4484-15-0x0000000002190000-0x00000000021AA000-memory.dmp

Filesize
104KB

Download
memory/4484-14-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads