healer | f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e

Analysis

max time kernel
186s
max time network
297s
platform
windows10-1703_x64
resource
win10-20230915-en
resource tags

arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
submitted
03/10/2023, 04:51

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General

Target

f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.exe
Size

876KB
MD5

eb7e722fc51465be58167d84b441401c
SHA1

f6c041ee7fecd44218a0cad6ec5ded9708e93e96
SHA256

f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e
SHA512

2020f022a702f9c6ae10a483c63e58b77b5932b41cd27a42687738312b7b8e3aa16ce5e4126b211b65ace325af52a3a94d50cccad42f7730609544c73dc02cfa
SSDEEP

12288:LMr0y90qFCZbR3gbXXxIzguLu+ZTpfzeqF0T5hycMbaatq1aedYZTmZM:/yzgZbR30Kjio7lMHMFvwYYZM

Score

10^/10

healer dropper evasion persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral2/files/0x000700000001af66-26.dat	healer
behavioral2/files/0x000700000001af66-27.dat	healer
behavioral2/memory/792-28-0x0000000000C80000-0x0000000000C8A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 5 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\DisableScanOnRealtimeEnable = "1"	1QL06Yt4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	1QL06Yt4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	1QL06Yt4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	1QL06Yt4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	1QL06Yt4.exe

Executes dropped EXE 5 IoCs

pid	Process
1556	JQ1gJ61.exe
2264	cz3IG03.exe
4412	Oc8uz87.exe
792	1QL06Yt4.exe
4996	2hM0196.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"	1QL06Yt4.exe

Adds Run key to start application 2 TTPs 4 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_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	Oc8uz87.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\\\""	f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.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\\\""	JQ1gJ61.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	cz3IG03.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4996 set thread context of 3740	4996	2hM0196.exe	76

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2756	4996	WerFault.exe	73
992	3740	WerFault.exe	76

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
792	1QL06Yt4.exe
792	1QL06Yt4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	1QL06Yt4.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 1556	3976	f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.exe	69
PID 3976 wrote to memory of 1556	3976	f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.exe	69
PID 3976 wrote to memory of 1556	3976	f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.exe	69
PID 1556 wrote to memory of 2264	1556	JQ1gJ61.exe	70
PID 1556 wrote to memory of 2264	1556	JQ1gJ61.exe	70
PID 1556 wrote to memory of 2264	1556	JQ1gJ61.exe	70
PID 2264 wrote to memory of 4412	2264	cz3IG03.exe	71
PID 2264 wrote to memory of 4412	2264	cz3IG03.exe	71
PID 2264 wrote to memory of 4412	2264	cz3IG03.exe	71
PID 4412 wrote to memory of 792	4412	Oc8uz87.exe	72
PID 4412 wrote to memory of 792	4412	Oc8uz87.exe	72
PID 4412 wrote to memory of 4996	4412	Oc8uz87.exe	73
PID 4412 wrote to memory of 4996	4412	Oc8uz87.exe	73
PID 4412 wrote to memory of 4996	4412	Oc8uz87.exe	73
PID 4996 wrote to memory of 4908	4996	2hM0196.exe	75
PID 4996 wrote to memory of 4908	4996	2hM0196.exe	75
PID 4996 wrote to memory of 4908	4996	2hM0196.exe	75
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76
PID 4996 wrote to memory of 3740	4996	2hM0196.exe	76

C:\Users\Admin\AppData\Local\Temp\f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.exe
"C:\Users\Admin\AppData\Local\Temp\f8bf8ab5eaf396c5ad0db389499ec37e7b09f13657a3e6099fedee68e1c6e72e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JQ1gJ61.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JQ1gJ61.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1556
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cz3IG03.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cz3IG03.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2264
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Oc8uz87.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Oc8uz87.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4412
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QL06Yt4.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QL06Yt4.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:792
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2hM0196.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2hM0196.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4996
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:4908
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        6⤵
        
        PID:3740
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 568
        7⤵
        Program crash
        
        PID:992
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 580
        6⤵
        Program crash
        
        PID:2756

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JQ1gJ61.exe

Filesize
737KB

MD5
a5fef55bb890bc5eb85693da64fbe0c0

SHA1
47f2c2877ff48a9bd28b7addd5aec8c60ad039f6

SHA256
1827b4de4fdbceeec87927e63cc62f355fb82a6992db04bae57d655bf1d5132e

SHA512
b030370708409134fcaa4609c8dcfc888633a204cfa17675e28f4b83ab0c4aeaf7e5c7b45560c31bbd6494671cbcda7067b0f61beea8fcb543a3a616e82913ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JQ1gJ61.exe

Filesize
737KB

MD5
a5fef55bb890bc5eb85693da64fbe0c0

SHA1
47f2c2877ff48a9bd28b7addd5aec8c60ad039f6

SHA256
1827b4de4fdbceeec87927e63cc62f355fb82a6992db04bae57d655bf1d5132e

SHA512
b030370708409134fcaa4609c8dcfc888633a204cfa17675e28f4b83ab0c4aeaf7e5c7b45560c31bbd6494671cbcda7067b0f61beea8fcb543a3a616e82913ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cz3IG03.exe

Filesize
490KB

MD5
453dd4523acbc6138c387bfc5634341f

SHA1
1cba986f4c15cf78fd0b79c0ce94e36c62f08a91

SHA256
25e8d84d97e56cfa7af7eafeaf55a7caa370f8dbfd89d72d4fab32966a14cb4d

SHA512
ee441b3ec3941082ccd0a05d3e85b4272a92cdaae4852c176135ead35b6f48b862a88142891e11529c729b8bbb0a7144e98df88c412a534edaf93dc92164ba85

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cz3IG03.exe

Filesize
490KB

MD5
453dd4523acbc6138c387bfc5634341f

SHA1
1cba986f4c15cf78fd0b79c0ce94e36c62f08a91

SHA256
25e8d84d97e56cfa7af7eafeaf55a7caa370f8dbfd89d72d4fab32966a14cb4d

SHA512
ee441b3ec3941082ccd0a05d3e85b4272a92cdaae4852c176135ead35b6f48b862a88142891e11529c729b8bbb0a7144e98df88c412a534edaf93dc92164ba85

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Oc8uz87.exe

Filesize
293KB

MD5
630d8fb0e680d19e34364ca27e5da9cf

SHA1
1ddf1f15aff0083c909838e9b0f9cd89175e88d9

SHA256
33d9b81ac1a9b17116c4ffe70912ee530bc2642edee76c7ae32f4b2b00e15322

SHA512
f42ec1eb3e0429bc44c2925cbbabb0c5548e2d326ac726717cfcf2636a2757ba31dad11e250c11976ff6c96cdf00c15429c1bc837b1b8fada98e482059e669ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Oc8uz87.exe

Filesize
293KB

MD5
630d8fb0e680d19e34364ca27e5da9cf

SHA1
1ddf1f15aff0083c909838e9b0f9cd89175e88d9

SHA256
33d9b81ac1a9b17116c4ffe70912ee530bc2642edee76c7ae32f4b2b00e15322

SHA512
f42ec1eb3e0429bc44c2925cbbabb0c5548e2d326ac726717cfcf2636a2757ba31dad11e250c11976ff6c96cdf00c15429c1bc837b1b8fada98e482059e669ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QL06Yt4.exe

Filesize
12KB

MD5
2f68d4ad30142c3303a461608773ebbf

SHA1
8fb39ab02927a18919ac41b1cec2b39a69d50cec

SHA256
63e87be853e2e896a77fb4b670c7e9b6902545eec151a41afb48504235628c87

SHA512
1cedccc354c1cd101ed581d27dd596574c169855bd9dc7634b9f9b7fae00f574b4f268ef6678b753167265ff22900145ff58c656e9de4bf97545fa09a72f904f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QL06Yt4.exe

Filesize
12KB

MD5
2f68d4ad30142c3303a461608773ebbf

SHA1
8fb39ab02927a18919ac41b1cec2b39a69d50cec

SHA256
63e87be853e2e896a77fb4b670c7e9b6902545eec151a41afb48504235628c87

SHA512
1cedccc354c1cd101ed581d27dd596574c169855bd9dc7634b9f9b7fae00f574b4f268ef6678b753167265ff22900145ff58c656e9de4bf97545fa09a72f904f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2hM0196.exe

Filesize
285KB

MD5
5271300aa153526014bd1db7b254c813

SHA1
acf6b292fbe1a1635e1715427b14da0de995241e

SHA256
4badd90edc2f746c3df37b86a8551b6e00d8b7d475cea3d0ec958919f8967f0b

SHA512
22f4a7d33935a27201b022e3bf20a85acec74ff74ec3adf6757144e47df4b82df365ede36dd939f229f226c8b37d136ac204a65baa5c062657b74a932f680893

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2hM0196.exe

Filesize
285KB

MD5
5271300aa153526014bd1db7b254c813

SHA1
acf6b292fbe1a1635e1715427b14da0de995241e

SHA256
4badd90edc2f746c3df37b86a8551b6e00d8b7d475cea3d0ec958919f8967f0b

SHA512
22f4a7d33935a27201b022e3bf20a85acec74ff74ec3adf6757144e47df4b82df365ede36dd939f229f226c8b37d136ac204a65baa5c062657b74a932f680893

Download Submit
memory/792-31-0x00007FFAF6FA0000-0x00007FFAF798C000-memory.dmp

Filesize
9.9MB

Download
memory/792-29-0x00007FFAF6FA0000-0x00007FFAF798C000-memory.dmp

Filesize
9.9MB

Download
memory/792-28-0x0000000000C80000-0x0000000000C8A000-memory.dmp

Filesize
40KB

Download
memory/3740-35-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3740-38-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3740-39-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3740-41-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download