healer | 8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255

General

Target

8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe
Size

743KB
MD5

280a3ffe0cdb8a8098d20d26f1316a73
SHA1

93bad252e604b7b8371ecf023b4293a71a27ed5e
SHA256

8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255
SHA512

b2031aa71b34aabb1e7baeb897b6409d6001fa9d9e5c9dcc804b9ac25251db82af92680d6ed8822aa8bf5a8c2359aec8740874334b16922d34f804e587fbd566
SSDEEP

12288:tMray90tihdBxC+Igqmdsim/UT+Sk1paE1DvMV1dwDdtxZUiqyXwV4MzuIz/:TybBxCUfdd4UTdAgE1DvGfc6iY4MzJ/

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/0x000b000000023bb8-19.dat	healer
behavioral1/memory/3488-22-0x0000000000C10000-0x0000000000C1A000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	iof35PG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	iof35PG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	iof35PG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	iof35PG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	iof35PG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	iof35PG.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/0x000e000000023bbf-26.dat	family_redline
behavioral1/memory/3172-28-0x0000000000170000-0x00000000001A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3372	stl66bP.exe
5088	sEp54lp.exe
3488	iof35PG.exe
3172	kZk52re.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"	iof35PG.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\\\""	8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.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\\\""	stl66bP.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\\\""	sEp54lp.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	8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stl66bP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sEp54lp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kZk52re.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3488	iof35PG.exe
3488	iof35PG.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	iof35PG.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 3372	2060	8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe	83
PID 2060 wrote to memory of 3372	2060	8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe	83
PID 2060 wrote to memory of 3372	2060	8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe	83
PID 3372 wrote to memory of 5088	3372	stl66bP.exe	84
PID 3372 wrote to memory of 5088	3372	stl66bP.exe	84
PID 3372 wrote to memory of 5088	3372	stl66bP.exe	84
PID 5088 wrote to memory of 3488	5088	sEp54lp.exe	85
PID 5088 wrote to memory of 3488	5088	sEp54lp.exe	85
PID 5088 wrote to memory of 3172	5088	sEp54lp.exe	97
PID 5088 wrote to memory of 3172	5088	sEp54lp.exe	97
PID 5088 wrote to memory of 3172	5088	sEp54lp.exe	97

C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe
"C:\Users\Admin\AppData\Local\Temp\8e9c4131ea0e0dbbcec00799f46338e265c822e1051a1b14394b9f4c7afae255.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3372
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5088
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3488
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3172

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\stl66bP.exe

Filesize
556KB

MD5
fe59f32880f91b365a06b967e470b610

SHA1
5491e8261475180ffaf1adce5ea1fe73f789ccc2

SHA256
deb00c8ba06752f444b647e3288e157206b12c9c829370aabf47950ab31522b1

SHA512
8310262ffd1d20e0ce2e5b34d89b8aacb9979fca2d376a96550c09440ed6f90f18d7739200cd9b6b73b967e1ae9ad9ae3f8663e9b60b55fd1b611f894ca2bdf8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sEp54lp.exe

Filesize
202KB

MD5
3fcd2897bc3a11573f686381062e35f0

SHA1
18f6bc6fba81de189071a7203aa8b1e9334f9c36

SHA256
21e643051a02ecfb1d0ece8856f159cb1a9b009acbdee3d391cc7e3f94b69a45

SHA512
4cbdd538694df859020c2596473da9b6bc0ffe76d7840aecbe3a46aa85f9cf9bc35fea866387d2347877615db0b070d468a204eb88ffc37bf7d366c1461de179

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iof35PG.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kZk52re.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3172-30-0x0000000004B10000-0x0000000004C1A000-memory.dmp

Filesize
1.0MB

Download
memory/3172-28-0x0000000000170000-0x00000000001A2000-memory.dmp

Filesize
200KB

Download
memory/3172-29-0x0000000004FB0000-0x00000000055C8000-memory.dmp

Filesize
6.1MB

Download
memory/3172-31-0x0000000004A60000-0x0000000004A72000-memory.dmp

Filesize
72KB

Download
memory/3172-32-0x0000000004A80000-0x0000000004ABC000-memory.dmp

Filesize
240KB

Download
memory/3172-33-0x0000000004AC0000-0x0000000004B0C000-memory.dmp

Filesize
304KB

Download
memory/3488-23-0x00007FF896EF3000-0x00007FF896EF5000-memory.dmp

Filesize
8KB

Download
memory/3488-22-0x0000000000C10000-0x0000000000C1A000-memory.dmp

Filesize
40KB

Download
memory/3488-21-0x00007FF896EF3000-0x00007FF896EF5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads