healer | bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e

General

Target

bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe
Size

483KB
MD5

b23b3166d9c242a0d97c73735f26de55
SHA1

d9d7f308c2d5459ffa14166f197212e4a6e91e6e
SHA256

bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e
SHA512

8dbdf37dd9ecfb08789c0a34cb24ced353cc7fa16c408a6d89d26e212bbd8ac85e8e241056cc960313f7e15f241dcb74872f05897149c25814661b48ac4d0085
SSDEEP

12288:ZMrly90WCNgaiMVoCbfR1Uw3sOUYMwbtNHbDhluDT:AyW3Vom593sOtMOB6T

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/0x0009000000023bd9-12.dat	healer
behavioral1/memory/2288-15-0x0000000000C70000-0x0000000000C7A000-memory.dmp	healer
behavioral1/memory/2372-22-0x0000000002870000-0x000000000288A000-memory.dmp	healer
behavioral1/memory/2372-24-0x0000000004C50000-0x0000000004C68000-memory.dmp	healer
behavioral1/memory/2372-25-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-36-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-52-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-51-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-49-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-46-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-44-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-42-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-40-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-38-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-34-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-32-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-30-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-28-0x0000000004C50000-0x0000000004C62000-memory.dmp	healer
behavioral1/memory/2372-26-0x0000000004C50000-0x0000000004C62000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dwA13CA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dwA13CA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dwA13CA.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eRm32cF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eRm32cF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eRm32cF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dwA13CA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dwA13CA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dwA13CA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eRm32cF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eRm32cF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eRm32cF.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/0x0009000000023bd3-58.dat	family_redline
behavioral1/memory/2896-59-0x00000000000F0000-0x0000000000122000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
408	nCF77GO77.exe
2288	dwA13CA.exe
2372	eRm32cF.exe
2896	flT37Bc.exe

Windows security modification 2 TTPs 3 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"	dwA13CA.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eRm32cF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eRm32cF.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\\\""	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.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\\\""	nCF77GO77.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4656	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1012	2372	WerFault.exe	93

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	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nCF77GO77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eRm32cF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	flT37Bc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2288	dwA13CA.exe
2288	dwA13CA.exe
2372	eRm32cF.exe
2372	eRm32cF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	dwA13CA.exe
Token: SeDebugPrivilege	2372	eRm32cF.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 408	716	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe	83
PID 716 wrote to memory of 408	716	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe	83
PID 716 wrote to memory of 408	716	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe	83
PID 408 wrote to memory of 2288	408	nCF77GO77.exe	84
PID 408 wrote to memory of 2288	408	nCF77GO77.exe	84
PID 408 wrote to memory of 2372	408	nCF77GO77.exe	93
PID 408 wrote to memory of 2372	408	nCF77GO77.exe	93
PID 408 wrote to memory of 2372	408	nCF77GO77.exe	93
PID 716 wrote to memory of 2896	716	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe	97
PID 716 wrote to memory of 2896	716	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe	97
PID 716 wrote to memory of 2896	716	bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe	97

C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe
"C:\Users\Admin\AppData\Local\Temp\bbe3a171cb9f3cb1554e1fbb2aabd0a44f9bf8d0f2913e51defc65e55a1cf06e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:716
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:408
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2288
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.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:2372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1092
      4⤵
      Program crash
      PID:1012
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flT37Bc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2372 -ip 2372
1⤵
PID:2420

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4656

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\flT37Bc.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nCF77GO77.exe

Filesize
338KB

MD5
b8564cdbe4a9e1ed47aa25997e45949e

SHA1
45ab919a80c96f7bcbaaf87093111090f72da69d

SHA256
bd3bce20caee5d3b14ffa9115dfc28eec4bdadeaa9819b37b9247b992aec5e32

SHA512
7ee42dee8df6d68c6910050d4dd47bf90f77c5b1702a6627e0b6abab4c617ed2cf03923550fea3116f1bb4c283a0cca0dc7b7f7a2613d7766cea67a7f642e8cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dwA13CA.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRm32cF.exe

Filesize
258KB

MD5
0d12b6dc52613d919d47608afa94853d

SHA1
3aaba8ca69c4a3fb23d10af9db66173a47e7947f

SHA256
de98d4ae2215630ea271a86b9302ec4615d0a0b83c4a3c09322246159f3b70ab

SHA512
35c5046816eba7c18fa1e7db03678c815cfa090ebe5a3f74171dc1ac21a3af247497ace59db4cfc07ea0b7e224ad4a516632b94ab59e19c4ec037c1d53880ee3

Download Submit
memory/2288-14-0x00007FFEF5CB3000-0x00007FFEF5CB5000-memory.dmp

Filesize
8KB

Download
memory/2288-15-0x0000000000C70000-0x0000000000C7A000-memory.dmp

Filesize
40KB

Download
memory/2288-16-0x00007FFEF5CB3000-0x00007FFEF5CB5000-memory.dmp

Filesize
8KB

Download
memory/2372-42-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-32-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-25-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-36-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-52-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-51-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-49-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-46-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-44-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-23-0x0000000004C90000-0x0000000005234000-memory.dmp

Filesize
5.6MB

Download
memory/2372-40-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-38-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-34-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-24-0x0000000004C50000-0x0000000004C68000-memory.dmp

Filesize
96KB

Download
memory/2372-30-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-28-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-26-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/2372-53-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/2372-55-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/2372-22-0x0000000002870000-0x000000000288A000-memory.dmp

Filesize
104KB

Download
memory/2896-59-0x00000000000F0000-0x0000000000122000-memory.dmp

Filesize
200KB

Download
memory/2896-60-0x0000000005050000-0x0000000005668000-memory.dmp

Filesize
6.1MB

Download
memory/2896-62-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2896-61-0x0000000004BD0000-0x0000000004CDA000-memory.dmp

Filesize
1.0MB

Download
memory/2896-63-0x0000000004B60000-0x0000000004B9C000-memory.dmp

Filesize
240KB

Download
memory/2896-64-0x0000000004CE0000-0x0000000004D2C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads