healer | a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d

General

Target

a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe
Size

366KB
MD5

4f638f3a3b80a8a1edaa6e48da09403a
SHA1

46e29ac6af6c1b8d69856d95639194bb5698750a
SHA256

a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d
SHA512

174dc415e7bee36f0886dd713027722871de3c3da82d4c1c906d35712d2e2f76b669c066b47a97b81d910bb05edd2d382cabd2b7ce17230f46d160c2bc5b2cff
SSDEEP

6144:KXy+bnr+pp0yN90QES5EtlkjZHluB4M/iCDT8w+eb+aEHCZm8aCkQivN9f:dMrFy90hQjGF/L3pZWrxPf

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/2192-12-0x0000000002400000-0x000000000241A000-memory.dmp	healer
behavioral1/memory/2192-14-0x0000000002790000-0x00000000027A8000-memory.dmp	healer
behavioral1/memory/2192-16-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-40-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-38-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-36-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-34-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-32-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-30-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-28-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-42-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-26-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-24-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-22-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-20-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-18-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/2192-15-0x0000000002790000-0x00000000027A2000-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	bOv03uC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bOv03uC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bOv03uC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bOv03uC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bOv03uC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bOv03uC.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/0x0007000000023c97-51.dat	family_redline
behavioral1/memory/4012-54-0x0000000000D90000-0x0000000000DC2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2192	bOv03uC.exe
4012	dwQ94gF.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	bOv03uC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bOv03uC.exe

Adds Run key to start application 2 TTPs 1 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\\\""	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
508	2192	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 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	bOv03uC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dwQ94gF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2192	bOv03uC.exe
2192	bOv03uC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	bOv03uC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 2192	3132	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe	85
PID 3132 wrote to memory of 2192	3132	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe	85
PID 3132 wrote to memory of 2192	3132	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe	85
PID 3132 wrote to memory of 4012	3132	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe	100
PID 3132 wrote to memory of 4012	3132	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe	100
PID 3132 wrote to memory of 4012	3132	a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe	100

C:\Users\Admin\AppData\Local\Temp\a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe
"C:\Users\Admin\AppData\Local\Temp\a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3132
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bOv03uC.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bOv03uC.exe
  2⤵
  - 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:2192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 1100
    3⤵
    - Program crash
    PID:508
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dwQ94gF.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dwQ94gF.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2192 -ip 2192
1⤵
PID:1164

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\bOv03uC.exe

Filesize
220KB

MD5
fd815ed5f97b5a0c8091f3f8d5125673

SHA1
8e062e61dc7fb58a3301741aa4c34b259e3e9b25

SHA256
7f2e56fcc1d09a924faf8e9fd38f4781aa79d6d895e8d068d093b4201a3f08e7

SHA512
e47b639e4692101ea444ee22b99d638c521ae5c5e8f27b16f9c2f335ab3a242bf0deb51f52a9e75ccb40edffa8bbaaa6cf8915ff74e10be79fbd697fe8ee96b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dwQ94gF.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2192-24-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-22-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-11-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/2192-12-0x0000000002400000-0x000000000241A000-memory.dmp

Filesize
104KB

Download
memory/2192-13-0x0000000004F50000-0x00000000054F4000-memory.dmp

Filesize
5.6MB

Download
memory/2192-14-0x0000000002790000-0x00000000027A8000-memory.dmp

Filesize
96KB

Download
memory/2192-16-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-40-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-38-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-36-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-34-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-32-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-30-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-28-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-42-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-26-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2192-9-0x00000000008C0000-0x00000000008ED000-memory.dmp

Filesize
180KB

Download
memory/2192-20-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-18-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-15-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/2192-43-0x0000000000940000-0x0000000000A40000-memory.dmp

Filesize
1024KB

Download
memory/2192-44-0x00000000008C0000-0x00000000008ED000-memory.dmp

Filesize
180KB

Download
memory/2192-45-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2192-49-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2192-48-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/2192-8-0x0000000000940000-0x0000000000A40000-memory.dmp

Filesize
1024KB

Download
memory/4012-53-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/4012-54-0x0000000000D90000-0x0000000000DC2000-memory.dmp

Filesize
200KB

Download
memory/4012-55-0x0000000005BE0000-0x00000000061F8000-memory.dmp

Filesize
6.1MB

Download
memory/4012-56-0x0000000005730000-0x000000000583A000-memory.dmp

Filesize
1.0MB

Download
memory/4012-57-0x0000000005660000-0x0000000005672000-memory.dmp

Filesize
72KB

Download
memory/4012-58-0x00000000056C0000-0x00000000056FC000-memory.dmp

Filesize
240KB

Download
memory/4012-59-0x0000000005840000-0x000000000588C000-memory.dmp

Filesize
304KB

Download
memory/4012-60-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads