healer | b2c7059861e84bbbd4aa1d06b7da8c804928aa6e0f5421afc6fa434a0e3e9cad

General

Target

z3081707.exe
Size

217KB
MD5

b428d9e050841623c55a4b5522578a9f
SHA1

7edd24eb1811a6998bc7adec9f1ab99f343ba3c9
SHA256

b2c7059861e84bbbd4aa1d06b7da8c804928aa6e0f5421afc6fa434a0e3e9cad
SHA512

d0c01a428bfc9fcbea6a4c50d412d0e4d73b885c6808e136f2e0c5fe47f5321d0b565cfa68d1f27731543e40e9996389ba54b38614be802c876eb3c08fb4453d
SSDEEP

3072:K3y+bnr+O1f5GWp1icKAArDZz4N9GhbkrNEk1XaLgZhjOOdjiJ5rIFktI4TxKFXL:K3y+bnr+8p0yN90QEib6dIFktImBIAK

Score

10^/10

healer dropper evasion persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 4 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012270-4.dat	healer
behavioral1/files/0x000b000000012270-6.dat	healer
behavioral1/files/0x000b000000012270-7.dat	healer
behavioral1/memory/1364-9-0x0000000000280000-0x000000000028A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper 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\Policies\Microsoft\Windows Defender\Real-Time Protection	q9406253.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	q9406253.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	q9406253.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	q9406253.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	q9406253.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	q9406253.exe

Executes dropped EXE 2 IoCs

pid	Process
1364	q9406253.exe
1012	r8133859.exe

Loads dropped DLL 3 IoCs

pid	Process
2892	z3081707.exe
2892	z3081707.exe
1012	r8133859.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\Microsoft\Windows Defender\Features	q9406253.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	q9406253.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\\\""	z3081707.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1364	q9406253.exe
1364	q9406253.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	q9406253.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1364	2892	z3081707.exe	30
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31
PID 2892 wrote to memory of 1012	2892	z3081707.exe	31

C:\Users\Admin\AppData\Local\Temp\z3081707.exe
"C:\Users\Admin\AppData\Local\Temp\z3081707.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9406253.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9406253.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1364
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8133859.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8133859.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1012

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9406253.exe

Filesize
13KB

MD5
d920ccff55709346e718df460557ce7d

SHA1
cb28db460556747e480f6ef8ea01d6ef6b27f55b

SHA256
322e1bb05e211a3c0278bbc4adc4d3bc604265c53a65d52edf22b578fa4dd1ef

SHA512
98be952217d1038bc718bead06b373bebd911abd73aa215c5838e56bdbf7ce374c6e325bdfc6ea29ab6811e097e925da93b8fc9ae1979049c6123f26ab7710ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9406253.exe

Filesize
13KB

MD5
d920ccff55709346e718df460557ce7d

SHA1
cb28db460556747e480f6ef8ea01d6ef6b27f55b

SHA256
322e1bb05e211a3c0278bbc4adc4d3bc604265c53a65d52edf22b578fa4dd1ef

SHA512
98be952217d1038bc718bead06b373bebd911abd73aa215c5838e56bdbf7ce374c6e325bdfc6ea29ab6811e097e925da93b8fc9ae1979049c6123f26ab7710ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8133859.exe

Filesize
140KB

MD5
33c30cdfd58a0f8fb2a69817114801c6

SHA1
fc42aba6725fef4a19c2e51b06fefb3583e1fca9

SHA256
9affd2f3cb4ce48e9c45fd2181633313d799ee2cb9df7170e0d5c49b31e256e5

SHA512
1cf95e29ae2640972636404e91097a0646185908f7a7c08b962cddb030575a4be87a86e005b5e078ddc1aca1ef8402a966178dfbc6b0fe5a495c730e2fb433da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8133859.exe

Filesize
140KB

MD5
33c30cdfd58a0f8fb2a69817114801c6

SHA1
fc42aba6725fef4a19c2e51b06fefb3583e1fca9

SHA256
9affd2f3cb4ce48e9c45fd2181633313d799ee2cb9df7170e0d5c49b31e256e5

SHA512
1cf95e29ae2640972636404e91097a0646185908f7a7c08b962cddb030575a4be87a86e005b5e078ddc1aca1ef8402a966178dfbc6b0fe5a495c730e2fb433da

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\q9406253.exe

Filesize
13KB

MD5
d920ccff55709346e718df460557ce7d

SHA1
cb28db460556747e480f6ef8ea01d6ef6b27f55b

SHA256
322e1bb05e211a3c0278bbc4adc4d3bc604265c53a65d52edf22b578fa4dd1ef

SHA512
98be952217d1038bc718bead06b373bebd911abd73aa215c5838e56bdbf7ce374c6e325bdfc6ea29ab6811e097e925da93b8fc9ae1979049c6123f26ab7710ba

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8133859.exe

Filesize
140KB

MD5
33c30cdfd58a0f8fb2a69817114801c6

SHA1
fc42aba6725fef4a19c2e51b06fefb3583e1fca9

SHA256
9affd2f3cb4ce48e9c45fd2181633313d799ee2cb9df7170e0d5c49b31e256e5

SHA512
1cf95e29ae2640972636404e91097a0646185908f7a7c08b962cddb030575a4be87a86e005b5e078ddc1aca1ef8402a966178dfbc6b0fe5a495c730e2fb433da

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8133859.exe

Filesize
140KB

MD5
33c30cdfd58a0f8fb2a69817114801c6

SHA1
fc42aba6725fef4a19c2e51b06fefb3583e1fca9

SHA256
9affd2f3cb4ce48e9c45fd2181633313d799ee2cb9df7170e0d5c49b31e256e5

SHA512
1cf95e29ae2640972636404e91097a0646185908f7a7c08b962cddb030575a4be87a86e005b5e078ddc1aca1ef8402a966178dfbc6b0fe5a495c730e2fb433da

Download Submit
memory/1364-8-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/1364-9-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/1364-10-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/1364-11-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads