healer | ac0cad80bf3c1ca11ca64e406000e90e03e15043385daccb6ecaf96bae9e128a

General

Target

65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe
Size

478KB
MD5

f6f59c7a04ebffefb8c26ac7e793830b
SHA1

a3c5e62097ce27b7dbd81bfb130c7a6cb2238c3a
SHA256

65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425
SHA512

aef64a66fa376ae44a328cd996d94051a08a190e2fd62c23c9fc04eb8788b31d01b7a58c5685f7b9cf039e522da57d866056a38a8801947b750db549e5d8aa5d
SSDEEP

6144:K5y+bnr+bp0yN90QEIVoUPyjqMC0o8HVmi9S2WBmkFSp0Vnx8hat9bybsIbar3xG:fMrvy902oUKZC0vS2ex+EmseajxmZ1t

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 17 IoCs

resource	yara_rule
behavioral1/memory/2520-19-0x00000000026D0000-0x00000000026EA000-memory.dmp	healer
behavioral1/memory/2520-21-0x00000000052C0000-0x00000000052D8000-memory.dmp	healer
behavioral1/memory/2520-49-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-47-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-45-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-44-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-37-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-41-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-39-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-35-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-33-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-31-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-29-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-27-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-25-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-23-0x00000000052C0000-0x00000000052D2000-memory.dmp	healer
behavioral1/memory/2520-22-0x00000000052C0000-0x00000000052D2000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	blS41Vy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	blS41Vy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	blS41Vy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	blS41Vy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	blS41Vy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	blS41Vy.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/0x0031000000023b89-58.dat	family_redline
behavioral1/memory/2188-60-0x0000000000EA0000-0x0000000000ED2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
4384	nsf73qk.exe
2520	blS41Vy.exe
2188	dYt33We.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	blS41Vy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	blS41Vy.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\\\""	65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.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\\\""	nsf73qk.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
884	2520	WerFault.exe	85

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	nsf73qk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blS41Vy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dYt33We.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	blS41Vy.exe
2520	blS41Vy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	blS41Vy.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 4384	2504	65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe	84
PID 2504 wrote to memory of 4384	2504	65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe	84
PID 2504 wrote to memory of 4384	2504	65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe	84
PID 4384 wrote to memory of 2520	4384	nsf73qk.exe	85
PID 4384 wrote to memory of 2520	4384	nsf73qk.exe	85
PID 4384 wrote to memory of 2520	4384	nsf73qk.exe	85
PID 4384 wrote to memory of 2188	4384	nsf73qk.exe	96
PID 4384 wrote to memory of 2188	4384	nsf73qk.exe	96
PID 4384 wrote to memory of 2188	4384	nsf73qk.exe	96

C:\Users\Admin\AppData\Local\Temp\65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe
"C:\Users\Admin\AppData\Local\Temp\65e511cf23bd6cfa2aaacbef01565f56a278c33b9396322c4022b88100c48425.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsf73qk.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsf73qk.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4384
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blS41Vy.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blS41Vy.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:2520
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 1084
      4⤵
      Program crash
      PID:884
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYt33We.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYt33We.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2520 -ip 2520
1⤵
PID:3124

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\nsf73qk.exe

Filesize
374KB

MD5
3cbfebe88954e88895166a9b523347c1

SHA1
907becf36fdd2b81c6915019638f57c16c8a86ef

SHA256
24410576fbe3b0ec4279cfab48b933e93a197da8f80b5919d21334e89a8ad38e

SHA512
5cd07353d6a20a25edb40a8b4d9ecf6623574f18fb69ff3fedba147388ec8c8c3d6a0f0a18821a6100c6564a84778c2969e9e8b2d6d3094f78fd6ee52b4c1b2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blS41Vy.exe

Filesize
234KB

MD5
353c989b6b901edf860a132aa278144c

SHA1
b900aeb6427096ba11bc80552d71b8de14a3f921

SHA256
13f7ba7f9d4ef700b504fb077fc13b1d0fd008456d3fca56c5df3a4306db7a87

SHA512
2f3a3eb6508f5f3ab2308e76481155d6336a606011c1276e24d5fb8925a622ff0ea06ff7a7932753f844d578353c9a1cc9eb5d99378d65b09352d93f01deb6d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYt33We.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2188-65-0x0000000005A90000-0x0000000005ADC000-memory.dmp

Filesize
304KB

Download
memory/2188-64-0x0000000005920000-0x000000000595C000-memory.dmp

Filesize
240KB

Download
memory/2188-63-0x00000000058C0000-0x00000000058D2000-memory.dmp

Filesize
72KB

Download
memory/2188-62-0x0000000005980000-0x0000000005A8A000-memory.dmp

Filesize
1.0MB

Download
memory/2188-61-0x0000000005E00000-0x0000000006418000-memory.dmp

Filesize
6.1MB

Download
memory/2188-60-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

Filesize
200KB

Download
memory/2520-31-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-23-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-45-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-44-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-37-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-41-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-39-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-35-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-33-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-49-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-29-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-27-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-25-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-47-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-22-0x00000000052C0000-0x00000000052D2000-memory.dmp

Filesize
72KB

Download
memory/2520-50-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/2520-51-0x00000000009E0000-0x0000000000A0D000-memory.dmp

Filesize
180KB

Download
memory/2520-52-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2520-55-0x0000000000400000-0x0000000000758000-memory.dmp

Filesize
3.3MB

Download
memory/2520-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2520-21-0x00000000052C0000-0x00000000052D8000-memory.dmp

Filesize
96KB

Download
memory/2520-20-0x0000000004D10000-0x00000000052B4000-memory.dmp

Filesize
5.6MB

Download
memory/2520-19-0x00000000026D0000-0x00000000026EA000-memory.dmp

Filesize
104KB

Download
memory/2520-18-0x0000000000400000-0x0000000000758000-memory.dmp

Filesize
3.3MB

Download
memory/2520-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2520-16-0x00000000009E0000-0x0000000000A0D000-memory.dmp

Filesize
180KB

Download
memory/2520-15-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads