healer | f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801

General

Target

f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe
Size

376KB
MD5

01fc7315d3113736c79ec00c15b7f9ca
SHA1

b97feb29bad0fbfe6342e8f9e0da102df7bb1124
SHA256

f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801
SHA512

614bef135018348dde28247d7416978125e5e5728ba945d3f3ee5d85296aff9cb904a957b8980e9424622a4057159a92e88d9e299216132c9e9d94f0de45237c
SSDEEP

6144:KUy+bnr+np0yN90QEMruXSO3SFAEyINkHxR77uw40J0AhVtWZrkD8q8azhpq9:YMrLy90pCOInqxR77J40J0yVt6YD9L29

Score

10^/10

healer redline discovery dropper evasion infostealer persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b9f-12.dat	healer
behavioral1/memory/5048-15-0x0000000000650000-0x000000000065A000-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\Policies\Microsoft\Windows Defender\Real-Time Protection	k4538175.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k4538175.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k4538175.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k4538175.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k4538175.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k4538175.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/0x000a000000023ba0-19.dat	family_redline
behavioral1/memory/4600-21-0x00000000004C0000-0x00000000004E8000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
888	y0567364.exe
5048	k4538175.exe
4600	l8965115.exe

Windows security modification 2 TTPs 1 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"	k4538175.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\\\""	f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.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\\\""	y0567364.exe

Launches sc.exe 1 IoCs

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

pid	Process
960	sc.exe

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	l8965115.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y0567364.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5048	k4538175.exe
5048	k4538175.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	k4538175.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 888	3904	f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe	84
PID 3904 wrote to memory of 888	3904	f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe	84
PID 3904 wrote to memory of 888	3904	f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe	84
PID 888 wrote to memory of 5048	888	y0567364.exe	85
PID 888 wrote to memory of 5048	888	y0567364.exe	85
PID 888 wrote to memory of 4600	888	y0567364.exe	94
PID 888 wrote to memory of 4600	888	y0567364.exe	94
PID 888 wrote to memory of 4600	888	y0567364.exe	94

C:\Users\Admin\AppData\Local\Temp\f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe
"C:\Users\Admin\AppData\Local\Temp\f3234f8338e6bdf248ff0236a06698d4a43fb68a9202a762b4272b7597ff9801.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0567364.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0567364.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:888
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4538175.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4538175.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5048
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8965115.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8965115.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4600

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:960

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\y0567364.exe

Filesize
204KB

MD5
38a2880805c18407a71c20c420132221

SHA1
f37456a12591fcc415727f6beb04f20b312ce6ca

SHA256
a30b8dd772adfde0f7c4a1929e48d46249ab460d18a295567d2e701ad0d06462

SHA512
fdcdc10a62e0e6cb2ba68a74ae4296f23d636e4ff92cbedb531fa9f053325680cbd397def42ba95d3065bdd6bc96d568339a1f152e8d410a0efb9124549b66a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4538175.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8965115.exe

Filesize
136KB

MD5
8f30f7f88229560306c5959c605316de

SHA1
36f26a905a9743f6dd1608e39b37d1116cafcc0a

SHA256
3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7

SHA512
267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

Download Submit
memory/4600-21-0x00000000004C0000-0x00000000004E8000-memory.dmp

Filesize
160KB

Download
memory/4600-22-0x0000000007780000-0x0000000007D98000-memory.dmp

Filesize
6.1MB

Download
memory/4600-23-0x00000000071E0000-0x00000000071F2000-memory.dmp

Filesize
72KB

Download
memory/4600-24-0x0000000007350000-0x000000000745A000-memory.dmp

Filesize
1.0MB

Download
memory/4600-25-0x0000000007280000-0x00000000072BC000-memory.dmp

Filesize
240KB

Download
memory/4600-26-0x0000000002720000-0x000000000276C000-memory.dmp

Filesize
304KB

Download
memory/5048-14-0x00007FFD9C083000-0x00007FFD9C085000-memory.dmp

Filesize
8KB

Download
memory/5048-15-0x0000000000650000-0x000000000065A000-memory.dmp

Filesize
40KB

Download
memory/5048-16-0x00007FFD9C083000-0x00007FFD9C085000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads