healer | c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a

General

Target

c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe
Size

1.5MB
MD5

75bb1a2efde3362d07efba529c18fe6b
SHA1

24bc69309c87a9084631f3d29c48c8c9a6da34ad
SHA256

c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a
SHA512

e5b5df896a9107f4c8f5e3e2415d333184adc1ac46193e632bdb2d37b119908c20692fcea81bbdc78ed62b5f540f17f7789c5fbdabbbfdd693923b999c65d8e5
SSDEEP

49152:iFI85xMCRmehBR8HxFjY21Tm+o1pDfZS:OB/PRCrjY21hgfZ

Score

10^/10

healer redline mazda discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mazda

C2

217.196.96.56:4138

Attributes

auth_value
3d2870537d84a4c6d7aeecd002871c51

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/2840-36-0x00000000025C0000-0x00000000025DA000-memory.dmp	healer
behavioral1/memory/2840-38-0x0000000005260000-0x0000000005278000-memory.dmp	healer
behavioral1/memory/2840-66-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-64-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-62-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-60-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-58-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-56-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-54-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-52-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-50-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-48-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-46-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-44-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-42-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-40-0x0000000005260000-0x0000000005272000-memory.dmp	healer
behavioral1/memory/2840-39-0x0000000005260000-0x0000000005272000-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\DisableBehaviorMonitoring = "1"	a9208970.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a9208970.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a9208970.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a9208970.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a9208970.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a9208970.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/0x000a000000023ba0-71.dat	family_redline
behavioral1/memory/4224-73-0x0000000000190000-0x00000000001C0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 6 IoCs

pid	Process
1368	v9179795.exe
5004	v4844003.exe
3056	v6289766.exe
2232	v7559900.exe
2840	a9208970.exe
4224	b1716979.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	a9208970.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a9208970.exe

Adds Run key to start application 2 TTPs 5 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\\\""	v6289766.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	v7559900.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\\\""	c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.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\\\""	v9179795.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\\\""	v4844003.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3496	2840	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 7 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	v7559900.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9208970.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1716979.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v9179795.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v4844003.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v6289766.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2840	a9208970.exe
2840	a9208970.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	a9208970.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 1368	3952	c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe	84
PID 3952 wrote to memory of 1368	3952	c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe	84
PID 3952 wrote to memory of 1368	3952	c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe	84
PID 1368 wrote to memory of 5004	1368	v9179795.exe	87
PID 1368 wrote to memory of 5004	1368	v9179795.exe	87
PID 1368 wrote to memory of 5004	1368	v9179795.exe	87
PID 5004 wrote to memory of 3056	5004	v4844003.exe	88
PID 5004 wrote to memory of 3056	5004	v4844003.exe	88
PID 5004 wrote to memory of 3056	5004	v4844003.exe	88
PID 3056 wrote to memory of 2232	3056	v6289766.exe	89
PID 3056 wrote to memory of 2232	3056	v6289766.exe	89
PID 3056 wrote to memory of 2232	3056	v6289766.exe	89
PID 2232 wrote to memory of 2840	2232	v7559900.exe	90
PID 2232 wrote to memory of 2840	2232	v7559900.exe	90
PID 2232 wrote to memory of 2840	2232	v7559900.exe	90
PID 2232 wrote to memory of 4224	2232	v7559900.exe	98
PID 2232 wrote to memory of 4224	2232	v7559900.exe	98
PID 2232 wrote to memory of 4224	2232	v7559900.exe	98

C:\Users\Admin\AppData\Local\Temp\c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe
"C:\Users\Admin\AppData\Local\Temp\c3946caa70c4cb0fa44dc3f2dad509df2d30a6e6635e1185865aafa63f64ce1a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9179795.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9179795.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1368
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4844003.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4844003.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5004
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6289766.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6289766.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3056
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v7559900.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v7559900.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2232
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a9208970.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a9208970.exe
        6⤵
        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:2840
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 1100
        7⤵
        Program crash
        
        PID:3496
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b1716979.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b1716979.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2840 -ip 2840
1⤵
PID:4688

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\v9179795.exe

Filesize
1.4MB

MD5
2e207dc63ab586a55054355ff71e2fd5

SHA1
f12a1fd05a41329349ba2636d263683bbbc2e214

SHA256
cbd175322eca2ea83704dfc6f877b9febed7242a804ec574a7c5a11ddad73190

SHA512
7b3e7990c8ae4e7509772fbe6f0538d0ce9ef453db7c69d8ebee2088140bd019a06abba17eb0310bbdc58f72218086f4b6883f022042589aec6980812c701985

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4844003.exe

Filesize
911KB

MD5
01a9c22a07a01e5cd7adf1aa065ce2d2

SHA1
36d0fd6777ef60d467760bab906caad001260ba3

SHA256
df5caac79fae2bf1fbca8294ad5614f9ebaab661aab615d82ad71f843b43664e

SHA512
01928e5b6a40add74104936c86f2f212d785e5d71bd974cc8c824c4f2134ee3b763f8d18c76338dd63dfaa91582bc2f270f279e11d84137d333740115231aa25

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v6289766.exe

Filesize
707KB

MD5
43fc0f034d3b70b488e00d4a83109ce5

SHA1
2ae13c45aac417652a21300d438d78b099bda08e

SHA256
a4fb4b3c9f0a51ba5ce23d77f0a027e015c718f9f26e0f97c13aabfdb9302b8c

SHA512
cb626e53e18a59ced8644a9d3d28d7c318113fb42ef0eb8b83c83a62f892dc867ab63ad9530b7d98b2d892cfacb398faae31df5800f78ad0248afde0892b1ddc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v7559900.exe

Filesize
416KB

MD5
e8cbfbcc12685b36f889e19a6f0085d2

SHA1
d5335aa3dd7629e4a68b7bf20927bbc991535012

SHA256
dc74a60bc1e607574c3cda15b0857701347495ed6e849587b7877a05378d1c74

SHA512
fefdfed83b2e681384dc7f33630a0ed0622faa661e716c59269f5a712125154adabcd0cf08e75be804157c1cea55aff5617726822897f2e39f26c7339cbed293

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a9208970.exe

Filesize
360KB

MD5
7d830e4021c662a95f42fd457f978239

SHA1
e270069e8715ec239c3de5071fa48b747a1da121

SHA256
1ef1a68ce4affda4f5ea8bd09154edbbb2bda86d8c97422eedc8dc4ee49dc7d0

SHA512
afc88d885d7b6433460c008fc3d6133f530b44ecbb0eb5f60b69ed4554ba5516c9660e64d60c1f6532e30c18dc577b3e6803deec58455b65eda9eff106f24ac5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b1716979.exe

Filesize
168KB

MD5
d5934bb399a5e0758d75f66a2871b476

SHA1
ab572c7774cde8139a9d5c52aac6228479db2d42

SHA256
7e7771b083fc201e7262e716826a26639e9a17936d07442fe1750041db61d581

SHA512
ab7e3e74fe38950857de70290e559eea6aeebb3c4a7fe1e815bf9680efba77e8a532602b9c3c330f23ab832dda43a5cab3aba739c7f8d518d87d895c2f68bbad

Download Submit
memory/2840-66-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-44-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-37-0x0000000004C70000-0x0000000005214000-memory.dmp

Filesize
5.6MB

Download
memory/2840-64-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-62-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-60-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-58-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-56-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-54-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-52-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-50-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-48-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-46-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-38-0x0000000005260000-0x0000000005278000-memory.dmp

Filesize
96KB

Download
memory/2840-42-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-40-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-39-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/2840-67-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2840-36-0x00000000025C0000-0x00000000025DA000-memory.dmp

Filesize
104KB

Download
memory/2840-69-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/4224-73-0x0000000000190000-0x00000000001C0000-memory.dmp

Filesize
192KB

Download
memory/4224-74-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4224-75-0x000000000A520000-0x000000000AB38000-memory.dmp

Filesize
6.1MB

Download
memory/4224-76-0x000000000A010000-0x000000000A11A000-memory.dmp

Filesize
1.0MB

Download
memory/4224-77-0x0000000009F30000-0x0000000009F42000-memory.dmp

Filesize
72KB

Download
memory/4224-78-0x0000000009F90000-0x0000000009FCC000-memory.dmp

Filesize
240KB

Download
memory/4224-79-0x00000000043B0000-0x00000000043FC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads