healer | 521e7a165e9802c7282e2e3f8beebe9131fbd4745d8be16b8cfe24b2d92d1d06

General

Target

d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe
Size

725KB
MD5

75ab4de456296645566af9d847ac6392
SHA1

d196db351b1b7e653d57469aa82a713ea8f5b185
SHA256

d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405
SHA512

a77d7a9adb20af8cf1e18fe6184a2fa1240c45c8647e888f6013d6171cafdb900646995c80166e5ffd86155b4846da7d146fd66845b035c4375eed6af2c205fc
SSDEEP

12288:PMr0y906xWqx90zGpR3MLo8dqVBw+Xb9qtLT8sF4UGd4Hj0X+ujdFC:vy5oz/NAV9Xwl9F6aHk+P

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 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b82-19.dat	healer
behavioral1/memory/4548-22-0x0000000000C80000-0x0000000000C8A000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	fwU11rc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	fwU11rc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	fwU11rc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	fwU11rc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	fwU11rc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	fwU11rc.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/0x000a000000023b83-26.dat	family_redline
behavioral1/memory/4888-28-0x0000000000490000-0x00000000004C2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4796	sKQ46OI.exe
1076	sCU57Kr.exe
4548	fwU11rc.exe
4888	hrt35XG.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"	fwU11rc.exe

Adds Run key to start application 2 TTPs 3 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\\\""	d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.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\\\""	sKQ46OI.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\\\""	sCU57Kr.exe

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	d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sKQ46OI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sCU57Kr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hrt35XG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4548	fwU11rc.exe
4548	fwU11rc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4548	fwU11rc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 4796	4364	d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe	86
PID 4364 wrote to memory of 4796	4364	d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe	86
PID 4364 wrote to memory of 4796	4364	d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe	86
PID 4796 wrote to memory of 1076	4796	sKQ46OI.exe	87
PID 4796 wrote to memory of 1076	4796	sKQ46OI.exe	87
PID 4796 wrote to memory of 1076	4796	sKQ46OI.exe	87
PID 1076 wrote to memory of 4548	1076	sCU57Kr.exe	88
PID 1076 wrote to memory of 4548	1076	sCU57Kr.exe	88
PID 1076 wrote to memory of 4888	1076	sCU57Kr.exe	101
PID 1076 wrote to memory of 4888	1076	sCU57Kr.exe	101
PID 1076 wrote to memory of 4888	1076	sCU57Kr.exe	101

C:\Users\Admin\AppData\Local\Temp\d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe
"C:\Users\Admin\AppData\Local\Temp\d85c4e6e98dcf71acd366924c3f34ebdd2dea11c6ccf652d5c02078f74ef3405.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKQ46OI.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sKQ46OI.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4796
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCU57Kr.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCU57Kr.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1076
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fwU11rc.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fwU11rc.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4548
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hrt35XG.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hrt35XG.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4888

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\sKQ46OI.exe

Filesize
538KB

MD5
7e25406e72fa0ce397e2cc7cbfda401b

SHA1
9a3c1a4d6ada89fa8c1a237ed7a31eeea2b30bf4

SHA256
d3aca36ed5917515dbb42d606cecba9674d1689ed6ecba396f348ed0f3fac776

SHA512
c7b226d7e32edc5eee6f5f8b2d6b41404ee382f553c5185c7203b1a7d9f14f6116cadbf46115311e9f6faac69971aa354e4740bccb342a3a5619f9569a55ebbd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sCU57Kr.exe

Filesize
202KB

MD5
fdb2a51c5593a37c4b50e6f068cf9769

SHA1
78fcec4f6ca1ef1cbb98d325b4889e9ef9f9b427

SHA256
14164d823d9e265efd837a6cca972f1598fcb5c7050bcf7004aa7260526de1f3

SHA512
434cf9ca952970d069c67fc211044ccddb05d6a62927f36122c098885390a59fa3f2a248b776990f2c25ceda31ebdd616e3f4d8e54040d02df265af6b61ded7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fwU11rc.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hrt35XG.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4548-21-0x00007FFFDCB63000-0x00007FFFDCB65000-memory.dmp

Filesize
8KB

Download
memory/4548-24-0x00007FFFDCB63000-0x00007FFFDCB65000-memory.dmp

Filesize
8KB

Download
memory/4548-22-0x0000000000C80000-0x0000000000C8A000-memory.dmp

Filesize
40KB

Download
memory/4888-28-0x0000000000490000-0x00000000004C2000-memory.dmp

Filesize
200KB

Download
memory/4888-29-0x0000000005430000-0x0000000005A48000-memory.dmp

Filesize
6.1MB

Download
memory/4888-30-0x0000000004F70000-0x000000000507A000-memory.dmp

Filesize
1.0MB

Download
memory/4888-31-0x0000000004EA0000-0x0000000004EB2000-memory.dmp

Filesize
72KB

Download
memory/4888-32-0x0000000004F00000-0x0000000004F3C000-memory.dmp

Filesize
240KB

Download
memory/4888-33-0x0000000005080000-0x00000000050CC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads