healer | 380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36

General

Target

380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe
Size

526KB
MD5

6035d65be08dd531a76114e6f2533325
SHA1

e48e7ce83835bcde2101384d961bb621099fdebb
SHA256

380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36
SHA512

7cd7ff7c2953d7c772fe6de67537e3bf42b113ab87f4bc7f3336112950e824f2f0be9013f1e07c33c1e3b7d4b298e7935616ceb6f5d6d1fd0a7b984d80981df1
SSDEEP

12288:eMr1y90wsXGIgvJ8hBk6O8DqmJ+Ddg1B8Rufhz1:/yvR8MxQ3oRGBPh

Score

10^/10

healer redline dubik discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubik

C2

193.233.20.17:4139

Attributes

auth_value
05136deb26ad700ca57d43b1de454f46

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023c73-12.dat	healer
behavioral1/memory/3712-15-0x0000000000430000-0x000000000043A000-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	rSp4737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rSp4737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rSp4737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rSp4737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rSp4737.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	rSp4737.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/0x0007000000023c74-19.dat	family_redline
behavioral1/memory/3136-21-0x0000000000400000-0x0000000000432000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3608	vAI1364.exe
3712	rSp4737.exe
3136	tXb45ww.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"	rSp4737.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\\\""	380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.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\\\""	vAI1364.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	380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vAI1364.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tXb45ww.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3712	rSp4737.exe
3712	rSp4737.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3712	rSp4737.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 3608	1012	380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe	82
PID 1012 wrote to memory of 3608	1012	380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe	82
PID 1012 wrote to memory of 3608	1012	380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe	82
PID 3608 wrote to memory of 3712	3608	vAI1364.exe	83
PID 3608 wrote to memory of 3712	3608	vAI1364.exe	83
PID 3608 wrote to memory of 3136	3608	vAI1364.exe	94
PID 3608 wrote to memory of 3136	3608	vAI1364.exe	94
PID 3608 wrote to memory of 3136	3608	vAI1364.exe	94

C:\Users\Admin\AppData\Local\Temp\380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe
"C:\Users\Admin\AppData\Local\Temp\380a1fa58c7fed23c80a3b13bdedef5aae748d79d1f4eba207e52dff9f08ee36.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vAI1364.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vAI1364.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rSp4737.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rSp4737.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3712
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tXb45ww.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tXb45ww.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3136

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\vAI1364.exe

Filesize
202KB

MD5
11c1f24dcfe6e79cecce5d18288fde54

SHA1
11c6ecfc6568bd82a762140257e469ec3b08ebec

SHA256
70cd70a7078b76ef59b8ba02e73412736e011f6cf65ea51a0e805f71e1bdd19f

SHA512
dd3ed78a487bd644ec211b834c0c7bfcf092d92b1aa6809082847d26807c5883232d4b165f55496111f21f818b328264219985172ccb429571e5a9d442b4af3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rSp4737.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tXb45ww.exe

Filesize
175KB

MD5
cddbd387c5c8bb5e8a8ad341f7d05475

SHA1
1ae74b1a19a38a736b5321b41de10a48ab72eddc

SHA256
c531095f91211aea5e7ed61228c557ea1718605e8840e9ca61e3e652d4634d2d

SHA512
ce5ad725decbc063176ef313413112618506ca5863ced90beb5f59ef844d3c0b77bda05be04d1e0337731d2f2eca58f4ad98070d1aa55315879528f9be0f6a0e

Download Submit
memory/3136-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3136-22-0x0000000005370000-0x0000000005988000-memory.dmp

Filesize
6.1MB

Download
memory/3136-23-0x0000000004EE0000-0x0000000004FEA000-memory.dmp

Filesize
1.0MB

Download
memory/3136-24-0x0000000004E10000-0x0000000004E22000-memory.dmp

Filesize
72KB

Download
memory/3136-25-0x0000000004E70000-0x0000000004EAC000-memory.dmp

Filesize
240KB

Download
memory/3136-26-0x0000000004FF0000-0x000000000503C000-memory.dmp

Filesize
304KB

Download
memory/3712-14-0x00007FFDEECB3000-0x00007FFDEECB5000-memory.dmp

Filesize
8KB

Download
memory/3712-15-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/3712-16-0x00007FFDEECB3000-0x00007FFDEECB5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads