healer | f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4

General

Target

f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe
Size

471KB
MD5

d8365d6675b4e456cb5323f9dbb7b8bf
SHA1

fac596d8267c3ef2902904824f6bcc7a2cdde4bf
SHA256

f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4
SHA512

9f9a4bc792d12fd9a7c79bea21db01622e9c63d62202e3225e26693f2c4eb9667afeeff26eed80c05703945fee367e5c41cd9d30949324a31f9484014000ef35
SSDEEP

12288:nMr/y908ubz/UkQ9HrlD9AL1ITzJDp4WF:AyFubbPQVlRC2Tth

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/4404-19-0x0000000002540000-0x000000000255A000-memory.dmp	healer
behavioral1/memory/4404-21-0x00000000027E0000-0x00000000027F8000-memory.dmp	healer
behavioral1/memory/4404-22-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-25-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-23-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-27-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-49-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-47-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-45-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-43-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-41-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-40-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-37-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-35-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-33-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-32-0x00000000027E0000-0x00000000027F2000-memory.dmp	healer
behavioral1/memory/4404-29-0x00000000027E0000-0x00000000027F2000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bVa24qQ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bVa24qQ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bVa24qQ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bVa24qQ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bVa24qQ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bVa24qQ.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/0x000b000000023bae-57.dat	family_redline
behavioral1/memory/4172-59-0x0000000000F80000-0x0000000000FB2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
2528	nRC87Cp.exe
4404	bVa24qQ.exe
4172	dUW93Bl.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	bVa24qQ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bVa24qQ.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\\\""	f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.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\\\""	nRC87Cp.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	4404	WerFault.exe	84

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	f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nRC87Cp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bVa24qQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dUW93Bl.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4404	bVa24qQ.exe
4404	bVa24qQ.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	bVa24qQ.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2528	1244	f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe	83
PID 1244 wrote to memory of 2528	1244	f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe	83
PID 1244 wrote to memory of 2528	1244	f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe	83
PID 2528 wrote to memory of 4404	2528	nRC87Cp.exe	84
PID 2528 wrote to memory of 4404	2528	nRC87Cp.exe	84
PID 2528 wrote to memory of 4404	2528	nRC87Cp.exe	84
PID 2528 wrote to memory of 4172	2528	nRC87Cp.exe	99
PID 2528 wrote to memory of 4172	2528	nRC87Cp.exe	99
PID 2528 wrote to memory of 4172	2528	nRC87Cp.exe	99

C:\Users\Admin\AppData\Local\Temp\f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe
"C:\Users\Admin\AppData\Local\Temp\f2e9fa09874da56ce9de0df3fed44679b8ca1251f6a5bffa9165a3a4843794a4.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRC87Cp.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRC87Cp.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVa24qQ.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVa24qQ.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:4404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 1104
      4⤵
      Program crash
      PID:2788
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUW93Bl.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUW93Bl.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4404 -ip 4404
1⤵
PID:680

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\nRC87Cp.exe

Filesize
367KB

MD5
22f5e21cf1006cb4c80b03b56544e57d

SHA1
1e38fb02276d8a70b958377ead92adce8dda4ba1

SHA256
343a7dafdb0af22772ffbbcb5b64d0cb9e199be1d3b3b5bfc4e698e00ddc6a06

SHA512
a47faa1e5bcdd7fa1dc224162a9180404aa3e3e6f2d7bb8a3f909a0fa33d3426598ea35293a04364531e7232b4b64fee0a112c48a76e33395b64bfde29616bd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVa24qQ.exe

Filesize
221KB

MD5
4feb45b0494ebda3a75baf46d9a6ace6

SHA1
412a2e08c2def6996742c6e8fc20cfc982d30cd9

SHA256
3e361b1e9b10cdc0c9f294148c6f4b4bc0d93a4562a6b8dda641e870e1432f77

SHA512
d408c826beba95df794cd648f8ccb87d871c35368038bea9105c550b5b5f054241c75d73d46056a313aa045ff02a5322bac2e754d542bd7d469f9bd69cc87125

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUW93Bl.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4172-64-0x0000000005870000-0x00000000058BC000-memory.dmp

Filesize
304KB

Download
memory/4172-63-0x00000000058E0000-0x000000000591C000-memory.dmp

Filesize
240KB

Download
memory/4172-62-0x0000000005850000-0x0000000005862000-memory.dmp

Filesize
72KB

Download
memory/4172-61-0x0000000005920000-0x0000000005A2A000-memory.dmp

Filesize
1.0MB

Download
memory/4172-60-0x0000000005DF0000-0x0000000006408000-memory.dmp

Filesize
6.1MB

Download
memory/4172-59-0x0000000000F80000-0x0000000000FB2000-memory.dmp

Filesize
200KB

Download
memory/4404-43-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-32-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-23-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-27-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-49-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-47-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-45-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-22-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-41-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-40-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-37-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-35-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-33-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-25-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-29-0x00000000027E0000-0x00000000027F2000-memory.dmp

Filesize
72KB

Download
memory/4404-50-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/4404-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4404-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4404-54-0x0000000000400000-0x0000000000793000-memory.dmp

Filesize
3.6MB

Download
memory/4404-21-0x00000000027E0000-0x00000000027F8000-memory.dmp

Filesize
96KB

Download
memory/4404-20-0x0000000004E80000-0x0000000005424000-memory.dmp

Filesize
5.6MB

Download
memory/4404-19-0x0000000002540000-0x000000000255A000-memory.dmp

Filesize
104KB

Download
memory/4404-18-0x0000000000400000-0x0000000000793000-memory.dmp

Filesize
3.6MB

Download
memory/4404-16-0x0000000000920000-0x000000000094D000-memory.dmp

Filesize
180KB

Download
memory/4404-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4404-15-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads