healer | 3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3

General

Target

3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe
Size

817KB
MD5

20edbc3594c2d0e1bf386c99d70117ac
SHA1

7d1461a78668240b989b54c4f145c14bcb02a49a
SHA256

3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3
SHA512

9b068bfb6d6f8b9bec0b70936453f9fc1b442cdb84645a36b3540aea7171848966cdadb5cf407c97318c1ebde522cc7851fecc95b4048e04d7d3a7cab3d0609f
SSDEEP

24576:7ynXWJCXZUruwAFY78cg07f391YBECAPhmP5v:uXWJCpYsu8cVf3Dm1GoP5

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023ca7-19.dat	healer
behavioral1/memory/2212-22-0x00000000004F0000-0x00000000004FA000-memory.dmp	healer
behavioral1/memory/3836-28-0x00000000022B0000-0x00000000022CA000-memory.dmp	healer
behavioral1/memory/3836-30-0x0000000004C40000-0x0000000004C58000-memory.dmp	healer
behavioral1/memory/3836-31-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-40-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-56-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-54-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-52-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-50-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-49-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-46-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-45-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-38-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-58-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-36-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-34-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-32-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3836-42-0x0000000004C40000-0x0000000004C52000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rOx8778.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	rOx8778.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	sDF0329.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sDF0329.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rOx8778.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rOx8778.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rOx8778.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	sDF0329.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sDF0329.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rOx8778.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sDF0329.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sDF0329.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/0x0007000000023ca5-63.dat	family_redline
behavioral1/memory/2572-65-0x0000000000B20000-0x0000000000B52000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 5 IoCs

pid	Process
368	vyV6515.exe
4912	vli8308.exe
2212	rOx8778.exe
3836	sDF0329.exe
2572	tVj64jR.exe

Windows security modification 2 TTPs 3 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"	rOx8778.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	sDF0329.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	sDF0329.exe

Adds Run key to start application 2 TTPs 3 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\\\""	3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.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\\\""	vyV6515.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	vli8308.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3208	3836	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 5 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	3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vyV6515.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vli8308.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sDF0329.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tVj64jR.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2212	rOx8778.exe
2212	rOx8778.exe
3836	sDF0329.exe
3836	sDF0329.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	rOx8778.exe
Token: SeDebugPrivilege	3836	sDF0329.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 368	748	3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe	84
PID 748 wrote to memory of 368	748	3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe	84
PID 748 wrote to memory of 368	748	3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe	84
PID 368 wrote to memory of 4912	368	vyV6515.exe	85
PID 368 wrote to memory of 4912	368	vyV6515.exe	85
PID 368 wrote to memory of 4912	368	vyV6515.exe	85
PID 4912 wrote to memory of 2212	4912	vli8308.exe	86
PID 4912 wrote to memory of 2212	4912	vli8308.exe	86
PID 4912 wrote to memory of 3836	4912	vli8308.exe	95
PID 4912 wrote to memory of 3836	4912	vli8308.exe	95
PID 4912 wrote to memory of 3836	4912	vli8308.exe	95
PID 368 wrote to memory of 2572	368	vyV6515.exe	99
PID 368 wrote to memory of 2572	368	vyV6515.exe	99
PID 368 wrote to memory of 2572	368	vyV6515.exe	99

C:\Users\Admin\AppData\Local\Temp\3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe
"C:\Users\Admin\AppData\Local\Temp\3d5dc20d9f5c337075be0de4d33d47c6886c76ee1fe24a7369905b354bc66bf3.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:748
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vyV6515.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vyV6515.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vli8308.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vli8308.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4912
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rOx8778.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rOx8778.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2212
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDF0329.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDF0329.exe
      4⤵
      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:3836
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 1092
        5⤵
        Program crash
        
        PID:3208
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVj64jR.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVj64jR.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3836 -ip 3836
1⤵
PID:232

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\vyV6515.exe

Filesize
481KB

MD5
ca581ffa5444cf5485773173ac8d067d

SHA1
d0e55039f70131d01933cea98f60613b33553b5e

SHA256
e0fbe1b6cdfcf6c09deab0377424a66c881ec41ff9fecdf36f8e5509d1802e0a

SHA512
a8acd90481e3f9e007cb39d3f8c4e3eb0ccc046c64787b53dec9443a6e54683b3a911c91a60b3e5b5776a86bcef38076731657ca4c4ade45dc138cfc4d8e29e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVj64jR.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vli8308.exe

Filesize
336KB

MD5
648c368685d4e3b243c4989603647771

SHA1
130eb8bbd9cd7f61a603146d59d71e3d41a9b85e

SHA256
0ec189fab748abbbb00154ca64042188e915468349e04165bb6d350001e9fecf

SHA512
d2237c830a595acc505f99307307fe96960f93801b04b7cd44d2e2eb0cdb31619e98b76bf1f36b9013fc0c968301c519d61d274996310d22f6d866a6e4c64e58

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rOx8778.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDF0329.exe

Filesize
245KB

MD5
bbcaab6d431de6d63e20ec7a085b0526

SHA1
e5bb15ef7458b516b37602649498b3d13c4df67d

SHA256
e0bd77d953de9c400b8338ca69f2aeb4eadfae945c75081b3c61fcc23ede76ee

SHA512
4f9ba138d9b458bb24907b2873a5eb0648858a60c0afac97c7b41adc2a3033d12037770b8d266ec8e2fb821dc8dcefc65c7150af534110e407a9cc672e317ac8

Download Submit
memory/2212-21-0x00007FFF968F3000-0x00007FFF968F5000-memory.dmp

Filesize
8KB

Download
memory/2212-22-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/2572-70-0x0000000005710000-0x000000000575C000-memory.dmp

Filesize
304KB

Download
memory/2572-68-0x0000000005530000-0x0000000005542000-memory.dmp

Filesize
72KB

Download
memory/2572-67-0x0000000005600000-0x000000000570A000-memory.dmp

Filesize
1.0MB

Download
memory/2572-66-0x0000000005A90000-0x00000000060A8000-memory.dmp

Filesize
6.1MB

Download
memory/2572-65-0x0000000000B20000-0x0000000000B52000-memory.dmp

Filesize
200KB

Download
memory/2572-69-0x0000000005590000-0x00000000055CC000-memory.dmp

Filesize
240KB

Download
memory/3836-46-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-49-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-52-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-45-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-38-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-58-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-34-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-50-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-59-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/3836-61-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/3836-54-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-56-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-40-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-31-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3836-30-0x0000000004C40000-0x0000000004C58000-memory.dmp

Filesize
96KB

Download
memory/3836-29-0x0000000004DB0000-0x0000000005354000-memory.dmp

Filesize
5.6MB

Download
memory/3836-28-0x00000000022B0000-0x00000000022CA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads