healer | a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d

General

Target

a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe
Size

482KB
MD5

3356dee65d7dd540da5b3b69cbd9954b
SHA1

58a5b3ef7e0bbb3be48f8d317c6ed29065f01b42
SHA256

a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d
SHA512

93e37a59db596943ac49d40f41b4ecbe3ad857dfb38bc4346c89fb699e30f3c2cad50aa649a379b23f1688b54e9db8385d59ab0e50f161f40725e965244c9433
SSDEEP

12288:wMrWy90VHHWNwwiDCgoNIVX/C4czE8HGWrqJp/BuSu:2yBKwiOluV6VzE8cp/YSu

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b34-12.dat	healer
behavioral1/memory/2376-15-0x00000000003F0000-0x00000000003FA000-memory.dmp	healer
behavioral1/memory/2608-22-0x00000000025F0000-0x000000000260A000-memory.dmp	healer
behavioral1/memory/2608-24-0x0000000004B00000-0x0000000004B18000-memory.dmp	healer
behavioral1/memory/2608-25-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-34-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-52-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-50-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-48-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-46-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-44-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-42-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-40-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-38-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-36-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-32-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-30-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-28-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2608-26-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	djE84HC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	djE84HC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	djE84HC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ezu40Yy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ezu40Yy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	ezu40Yy.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	djE84HC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	djE84HC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	djE84HC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	ezu40Yy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ezu40Yy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	ezu40Yy.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/0x000a000000023b32-57.dat	family_redline
behavioral1/memory/2928-59-0x0000000000E50000-0x0000000000E82000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3980	nJO07Kk73.exe
2376	djE84HC.exe
2608	ezu40Yy.exe
2928	fRg80wj.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	ezu40Yy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ezu40Yy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	djE84HC.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\\\""	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.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\\\""	nJO07Kk73.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2920	2608	WerFault.exe	96

System Location Discovery: System Language Discovery 1 TTPs 4 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	fRg80wj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nJO07Kk73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ezu40Yy.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2376	djE84HC.exe
2376	djE84HC.exe
2608	ezu40Yy.exe
2608	ezu40Yy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	djE84HC.exe
Token: SeDebugPrivilege	2608	ezu40Yy.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 3980	952	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe	84
PID 952 wrote to memory of 3980	952	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe	84
PID 952 wrote to memory of 3980	952	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe	84
PID 3980 wrote to memory of 2376	3980	nJO07Kk73.exe	85
PID 3980 wrote to memory of 2376	3980	nJO07Kk73.exe	85
PID 3980 wrote to memory of 2608	3980	nJO07Kk73.exe	96
PID 3980 wrote to memory of 2608	3980	nJO07Kk73.exe	96
PID 3980 wrote to memory of 2608	3980	nJO07Kk73.exe	96
PID 952 wrote to memory of 2928	952	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe	101
PID 952 wrote to memory of 2928	952	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe	101
PID 952 wrote to memory of 2928	952	a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe	101

C:\Users\Admin\AppData\Local\Temp\a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe
"C:\Users\Admin\AppData\Local\Temp\a6335f40038f8d81fbac85ca2c46f3a14a0f5529deaf98859200720c3a20ad9d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:952
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJO07Kk73.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJO07Kk73.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djE84HC.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djE84HC.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2376
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezu40Yy.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezu40Yy.exe
    3⤵
    - 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:2608
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 1072
      4⤵
      Program crash
      PID:2920
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRg80wj.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRg80wj.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2608 -ip 2608
1⤵
PID:1044

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\fRg80wj.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJO07Kk73.exe

Filesize
337KB

MD5
75d718af264eaa4ec3a9d7d25e7f3a3f

SHA1
e37d5d616ba7eb9961df4452790b82400d19f983

SHA256
51b44e70519fdca5e34fd41fec722c85769a8d0bbd9a5c1bc2f88e8754a5e76d

SHA512
fb53d028e05cb92c878fd864ccb2512aa266f6b599a3c536da48bb428e80bb089666e1ff81646fd3dc8c8fad8b722ada51393412f2055ecc5624c6d792be85c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djE84HC.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezu40Yy.exe

Filesize
246KB

MD5
5689d82e0bb0b6c738220f0e2d50f757

SHA1
1f1c0b8fceb6cb706866f2e32338a661af642e24

SHA256
7cb1ef101075ff5d838a237ac29decc694606f34c102e4ec189b2f47780b60dd

SHA512
dc16bef6fc2aee37df075e0db1e278889d6228d6979d2f680a88286fb6f90bf77249871cf9db4746e343f3ae4672d518873732ed04aedb3e5ea9947bbeb6f96b

Download Submit
memory/2376-14-0x00007FFD4FDC3000-0x00007FFD4FDC5000-memory.dmp

Filesize
8KB

Download
memory/2376-15-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2376-16-0x00007FFD4FDC3000-0x00007FFD4FDC5000-memory.dmp

Filesize
8KB

Download
memory/2608-42-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-32-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-25-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-34-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-52-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-50-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-48-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-46-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-44-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-23-0x0000000004C00000-0x00000000051A4000-memory.dmp

Filesize
5.6MB

Download
memory/2608-40-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-38-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-36-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-24-0x0000000004B00000-0x0000000004B18000-memory.dmp

Filesize
96KB

Download
memory/2608-30-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-28-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-26-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2608-53-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/2608-55-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/2608-22-0x00000000025F0000-0x000000000260A000-memory.dmp

Filesize
104KB

Download
memory/2928-59-0x0000000000E50000-0x0000000000E82000-memory.dmp

Filesize
200KB

Download
memory/2928-60-0x0000000005DC0000-0x00000000063D8000-memory.dmp

Filesize
6.1MB

Download
memory/2928-61-0x0000000005930000-0x0000000005A3A000-memory.dmp

Filesize
1.0MB

Download
memory/2928-62-0x0000000005860000-0x0000000005872000-memory.dmp

Filesize
72KB

Download
memory/2928-63-0x00000000058C0000-0x00000000058FC000-memory.dmp

Filesize
240KB

Download
memory/2928-64-0x0000000005A40000-0x0000000005A8C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads