healer | 382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24-04-2024 15:02

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General

Target

382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe
Size

526KB
MD5

7b7fa3fa05d2195e3c826165047d191c
SHA1

585082204f514352a5f74e87e2b1d75cb61028cb
SHA256

382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df
SHA512

e8f9f2b248edb3a3487ac070e61c4125e76804c3f6bb6bb3e9502a162e036d945d1bd0f1508be4a9d79f59f4805561497f451650e69c8d5afd5056f689f24455
SSDEEP

12288:wMrgy90Fz/fTJtuZmPDm0ARcbBHMcPeyFq6GGB5KP:AyYTuZwD/ccPGKBKP

Score

10^/10

healer mystic redline gruha dropper evasion infostealer persistence stealer trojan

Malware Config

Extracted

Family

redline

Botnet

gruha

77.91.124.55:19071

Attributes

auth_value
2f4cf2e668a540e64775b27535cc6892

Signatures

Detect Mystic stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/3608-21-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/3608-22-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/3608-23-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family
behavioral1/memory/3608-25-0x0000000000400000-0x0000000000428000-memory.dmp	mystic_family

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023456-13.dat	healer
behavioral1/memory/1472-14-0x00000000004F0000-0x00000000004FA000-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	q7765974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	q7765974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	q7765974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	q7765974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	q7765974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	q7765974.exe

Mystic
Mystic is an infostealer written in C++.
stealer mystic
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

resource	yara_rule
behavioral1/memory/2356-29-0x0000000000400000-0x0000000000430000-memory.dmp	family_redline

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023456-13.dat	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
behavioral1/memory/1472-14-0x00000000004F0000-0x00000000004FA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

Detects executables packed with ConfuserEx Mod 1 IoCs

resource	yara_rule
behavioral1/memory/2356-29-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_ConfuserEx

Executes dropped EXE 4 IoCs

pid	Process
2432	z4673185.exe
1472	q7765974.exe
4640	r2796540.exe
1236	s2785043.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"	q7765974.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\\\""	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.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\\\""	z4673185.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 3608	4640	r2796540.exe	96
PID 1236 set thread context of 2356	1236	s2785043.exe	103

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4668	3608	WerFault.exe	96
3344	4640	WerFault.exe	94
2308	1236	WerFault.exe	101

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1472	q7765974.exe
1472	q7765974.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	q7765974.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 2432	3396	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe	84
PID 3396 wrote to memory of 2432	3396	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe	84
PID 3396 wrote to memory of 2432	3396	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe	84
PID 2432 wrote to memory of 1472	2432	z4673185.exe	85
PID 2432 wrote to memory of 1472	2432	z4673185.exe	85
PID 2432 wrote to memory of 4640	2432	z4673185.exe	94
PID 2432 wrote to memory of 4640	2432	z4673185.exe	94
PID 2432 wrote to memory of 4640	2432	z4673185.exe	94
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 4640 wrote to memory of 3608	4640	r2796540.exe	96
PID 3396 wrote to memory of 1236	3396	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe	101
PID 3396 wrote to memory of 1236	3396	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe	101
PID 3396 wrote to memory of 1236	3396	382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe	101
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103
PID 1236 wrote to memory of 2356	1236	s2785043.exe	103

C:\Users\Admin\AppData\Local\Temp\382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe
"C:\Users\Admin\AppData\Local\Temp\382a6e0a0801a10f3559789811792b7dcd1d919c96d09e2acc3d5817790877df.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4673185.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4673185.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q7765974.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q7765974.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1472
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2796540.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2796540.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4640
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:3608
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 540
        5⤵
        Program crash
        
        PID:4668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 152
      4⤵
      Program crash
      PID:3344
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2785043.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2785043.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    PID:2356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 152
    3⤵
    - Program crash
    PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4640 -ip 4640
1⤵
PID:1588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3608 -ip 3608
1⤵
PID:5048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1236 -ip 1236
1⤵
PID:1640

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\s2785043.exe

Filesize
310KB

MD5
6ed183ac5c3d07c9fe1842a5d71b2eb8

SHA1
eabad50dc71cbe324d6e5a2bb99a30e6694c88a3

SHA256
035025a13c06fcd87553f68f7e97838d3858b7b1e0ecfc9d4e2654077b452b3d

SHA512
f9bc742f50736e0399e91bcded2793a06b0b74f34c35c30013eeab8aadde2fa57829e8b0347fea07a1bd36cd481aba5aa01fa96cdfc716d8de12037cf6b76726

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4673185.exe

Filesize
296KB

MD5
3b68417945578195a3df5d3142811db0

SHA1
79a78301f6011127914aaf3de88c121345a3d7c3

SHA256
f894040a843df87dae9a4cdf4d0e611eb1504ba82716ed1ebe86eb8ef07da111

SHA512
f754b1e78060cf03e40e0431e7882fec4f8145eadae0fe2a68532ba7d78f8f185fad8b2ef26e979ea11a0a50a88864a82fca06b4247451672d94d7bab9e4bfd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q7765974.exe

Filesize
11KB

MD5
12d98f3000af27fdfca20f1af7541361

SHA1
136e8999ad6e024bbde29a5c75c9d4cf47ac2ac6

SHA256
cd5e91956a19343419a65eb45c5388b577ff39fbdc75951ff585e1c68ac7a413

SHA512
0b54fe7b6b8b4a90da154286143ad12e788ce403dfdd7a3607c9af8eeb905e1008f68804f8e9ee72154f70561b5ab843d5bf00a2f2aaf2d21b191c70c5aa634b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r2796540.exe

Filesize
276KB

MD5
879e771f3b81012db6cc6c4c035442c1

SHA1
359fd80a794a4f9120fd24e0877a71a1a0a9e8a3

SHA256
ef8bfc7607f43e580c360c060e5baad0f548153b8af20035ecebb1eff3c58b44

SHA512
a76920497d11257a0945e419ea642583363bb91978f37c1510abd629ea51bc2befcc48098e8167dc9df1e29520af7f82cf92cd156b79d87f8026cfac03a15d26

Download Submit
memory/1472-14-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/1472-15-0x00007FFFD8F50000-0x00007FFFD9A11000-memory.dmp

Filesize
10.8MB

Download
memory/1472-17-0x00007FFFD8F50000-0x00007FFFD9A11000-memory.dmp

Filesize
10.8MB

Download
memory/2356-34-0x000000000AAE0000-0x000000000AAF2000-memory.dmp

Filesize
72KB

Download
memory/2356-32-0x000000000B050000-0x000000000B668000-memory.dmp

Filesize
6.1MB

Download
memory/2356-39-0x0000000005560000-0x0000000005570000-memory.dmp

Filesize
64KB

Download
memory/2356-38-0x0000000073BE0000-0x0000000074390000-memory.dmp

Filesize
7.7MB

Download
memory/2356-29-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2356-31-0x0000000073BE0000-0x0000000074390000-memory.dmp

Filesize
7.7MB

Download
memory/2356-30-0x0000000005520000-0x0000000005526000-memory.dmp

Filesize
24KB

Download
memory/2356-37-0x0000000002EB0000-0x0000000002EFC000-memory.dmp

Filesize
304KB

Download
memory/2356-33-0x000000000ABB0000-0x000000000ACBA000-memory.dmp

Filesize
1.0MB

Download
memory/2356-36-0x000000000AB40000-0x000000000AB7C000-memory.dmp

Filesize
240KB

Download
memory/2356-35-0x0000000005560000-0x0000000005570000-memory.dmp

Filesize
64KB

Download
memory/3608-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3608-23-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3608-22-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3608-25-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download