healer | 28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac

General

Target

28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe
Size

499KB
MD5

a69dcc2d353a38218043924b8b7e7a9f
SHA1

ed56639cf550d503776cbe4f0134f09cc534a313
SHA256

28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac
SHA512

92cdf9423927959f1661259a7d32f75cfe8ebbe15cb55bc58cf5f71e93d3d383f46b48b96bde2b2c01a5c632d8230663c88af72cbb2d2a288e62370aceef977a
SSDEEP

6144:Kry+bnr++p0yN90QEnhHZVFqUZXa7wWF5vKzkDEOXHX6zhv2pSvYxvgrqJxFAl1C:pMrWy90j/In32kIUKhLvSRJxYhubbg6

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/0x000b000000023b9c-12.dat	healer
behavioral1/memory/2044-15-0x0000000000EC0000-0x0000000000ECA000-memory.dmp	healer
behavioral1/memory/1428-22-0x0000000002470000-0x000000000248A000-memory.dmp	healer
behavioral1/memory/1428-24-0x00000000024B0000-0x00000000024C8000-memory.dmp	healer
behavioral1/memory/1428-46-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-52-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-50-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-48-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-44-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-42-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-40-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-36-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-34-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-30-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-28-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-38-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-26-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-25-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral1/memory/1428-33-0x00000000024B0000-0x00000000024C2000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eIn08Qh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eIn08Qh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dvO09ay.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dvO09ay.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dvO09ay.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eIn08Qh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eIn08Qh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eIn08Qh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dvO09ay.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dvO09ay.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dvO09ay.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eIn08Qh.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/0x000a000000023b9a-57.dat	family_redline
behavioral1/memory/4000-59-0x0000000000320000-0x0000000000352000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
384	nXW99lG28.exe
2044	dvO09ay.exe
1428	eIn08Qh.exe
4000	fVq33Jz.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	eIn08Qh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eIn08Qh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dvO09ay.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\\\""	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.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\\\""	nXW99lG28.exe

Launches sc.exe 1 IoCs

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

pid	Process
2988	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3708	1428	WerFault.exe	95

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	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nXW99lG28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eIn08Qh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fVq33Jz.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2044	dvO09ay.exe
2044	dvO09ay.exe
1428	eIn08Qh.exe
1428	eIn08Qh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	dvO09ay.exe
Token: SeDebugPrivilege	1428	eIn08Qh.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 384	3732	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe	83
PID 3732 wrote to memory of 384	3732	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe	83
PID 3732 wrote to memory of 384	3732	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe	83
PID 384 wrote to memory of 2044	384	nXW99lG28.exe	84
PID 384 wrote to memory of 2044	384	nXW99lG28.exe	84
PID 384 wrote to memory of 1428	384	nXW99lG28.exe	95
PID 384 wrote to memory of 1428	384	nXW99lG28.exe	95
PID 384 wrote to memory of 1428	384	nXW99lG28.exe	95
PID 3732 wrote to memory of 4000	3732	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe	100
PID 3732 wrote to memory of 4000	3732	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe	100
PID 3732 wrote to memory of 4000	3732	28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe	100

C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe
"C:\Users\Admin\AppData\Local\Temp\28cf3aa226a8485166de21ed54d17c3e47310b3fec1f3e74899d8f5eabcac9ac.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2044
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.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:1428
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1088
      4⤵
      Program crash
      PID:3708
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fVq33Jz.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1428 -ip 1428
1⤵
PID:1072

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:2988

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\fVq33Jz.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXW99lG28.exe

Filesize
355KB

MD5
d31bebfa6970fe26f22fec43e1a0d948

SHA1
1fafd962ac8c888ce6c7bbdc4fbe0b43773c360f

SHA256
d833fddf1a8c23d48ebd1cbeb934abc641bb804843d9dfa68215a550f90cd919

SHA512
e64c6385f37e0ffd8e9bcb88cc322dad22e7625070605afcd52359d085c9ec0d83d9feb6a9ffe0b94a8e0af405b39380cfaad0575117b3d603bfb2dffd3e7036

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvO09ay.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIn08Qh.exe

Filesize
295KB

MD5
b56f1bee1d520634cb38ac5b0c935a46

SHA1
ce066e6f10053af6d61cf4f0c1b25359537f286c

SHA256
07afc589fecdfc24ae8baa51a0374074cda4c4b14a8d33b7a8313ad0f5e47b93

SHA512
81cfd8b880aac14959eb7b282cfe4f44a473482eeb0c955c8dbd962fc25978ad07a1355848560f3f5def0f4116d2aae7c7c7f8902850a2a3bc3b6cc135d51c34

Download Submit
memory/1428-36-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-28-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-22-0x0000000002470000-0x000000000248A000-memory.dmp

Filesize
104KB

Download
memory/1428-23-0x0000000004D70000-0x0000000005314000-memory.dmp

Filesize
5.6MB

Download
memory/1428-24-0x00000000024B0000-0x00000000024C8000-memory.dmp

Filesize
96KB

Download
memory/1428-46-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-52-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-50-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-48-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-44-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-42-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-40-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-55-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/1428-34-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-30-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-53-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/1428-38-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-26-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-25-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1428-33-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/2044-16-0x00007FFFAD5B3000-0x00007FFFAD5B5000-memory.dmp

Filesize
8KB

Download
memory/2044-15-0x0000000000EC0000-0x0000000000ECA000-memory.dmp

Filesize
40KB

Download
memory/2044-14-0x00007FFFAD5B3000-0x00007FFFAD5B5000-memory.dmp

Filesize
8KB

Download
memory/4000-59-0x0000000000320000-0x0000000000352000-memory.dmp

Filesize
200KB

Download
memory/4000-60-0x0000000005140000-0x0000000005758000-memory.dmp

Filesize
6.1MB

Download
memory/4000-61-0x0000000004CC0000-0x0000000004DCA000-memory.dmp

Filesize
1.0MB

Download
memory/4000-62-0x0000000004BF0000-0x0000000004C02000-memory.dmp

Filesize
72KB

Download
memory/4000-63-0x0000000004C50000-0x0000000004C8C000-memory.dmp

Filesize
240KB

Download
memory/4000-64-0x0000000004DD0000-0x0000000004E1C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads