healer | 7cc4ca7df1354c5dcc6727cacfda8e239f161845dfb3a7cb9889f29fad4b792a

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 11:56

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General

Target

2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe
Size

325KB
MD5

a11dbc01603450452854f17aa7ea1eef
SHA1

18436f7c4a7a4477c0baa93ddc108babce9491bf
SHA256

2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c
SHA512

1ac3b35ac7b8742c8eded217595f30ae25eff216409bddd3cc18809ff6e5d873c7feae6e1e3501dc02bebe2205f9f9e8db9718c76315b679ca8ce73aca2135bf
SSDEEP

6144:K+y+bnr+/p0yN90QEJR9FTYYX8K75Nq/srdzir8IkNO3O0sUBWd:mMrry90bzFFX8KVpirQMFBWd

Score

10^/10

healer dropper evasion persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral6/memory/3008-15-0x0000000000560000-0x000000000059E000-memory.dmp	healer
behavioral6/files/0x0007000000023417-20.dat	healer
behavioral6/memory/3940-22-0x0000000000E70000-0x0000000000E7A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 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\DisableOnAccessProtection = "1"	a2651355.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a2651355.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b7896309.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b7896309.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b7896309.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b7896309.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a2651355.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a2651355.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b7896309.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b7896309.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a2651355.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a2651355.exe

Executes dropped EXE 2 IoCs

pid	Process
3008	a2651355.exe
3940	b7896309.exe

Windows security modification 2 TTPs 3 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	a2651355.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a2651355.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	b7896309.exe

Adds Run key to start application 2 TTPs 1 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\\\""	2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3008	a2651355.exe
3008	a2651355.exe
3940	b7896309.exe
3940	b7896309.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	a2651355.exe
Token: SeDebugPrivilege	3940	b7896309.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 3008	1932	2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe	82
PID 1932 wrote to memory of 3008	1932	2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe	82
PID 1932 wrote to memory of 3008	1932	2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe	82
PID 1932 wrote to memory of 3940	1932	2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe	88
PID 1932 wrote to memory of 3940	1932	2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe	88

C:\Users\Admin\AppData\Local\Temp\2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe
"C:\Users\Admin\AppData\Local\Temp\2d2e176ff101b33e0adec2558415b76c1425ba9502c4b652c64b4751dd11181c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2651355.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2651355.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7896309.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7896309.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3940

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\a2651355.exe

Filesize
294KB

MD5
175e3db636d9fd541cc11991815ea662

SHA1
c5e30c78f298c1aa26768bc036795e19ed7e60d7

SHA256
c39106a3520b59f859a00bc0014f6b5a4846b40742a925b66283b31e62094c4e

SHA512
06b1bc8a9746e8dfd1a4d72e98b8b76a1f543ae0c72c9e0233dce81451d7521f586da373e69459170a8d9442da4883f8247cfb9714227744c765c892583ac5c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b7896309.exe

Filesize
11KB

MD5
06d9b8f9236b959006976da775fea5e7

SHA1
46d5c5e6a3e7de6138cd764509a6754ce24d9484

SHA256
77353ead4144432dfd0e8fc833c458c8b88fb5d6bf7c9818ac430be40983b7f5

SHA512
ec0c6135f2b39d70cb35bd713d5fd9a0876055b46584f3535067f0f162be149024770c990e61ee041eabe5d3daf53aac49e747bb96189c3fa17346774a5edc6d

Download Submit
memory/3008-7-0x0000000000560000-0x000000000059E000-memory.dmp

Filesize
248KB

Download
memory/3008-13-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3008-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3008-15-0x0000000000560000-0x000000000059E000-memory.dmp

Filesize
248KB

Download
memory/3008-16-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/3940-23-0x00007FFF387A3000-0x00007FFF387A5000-memory.dmp

Filesize
8KB

Download
memory/3940-22-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download