healer | 5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361

General

Target

5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe
Size

816KB
MD5

336fb9b362bbf753d5fe54bce82cb43b
SHA1

1dc611a538ca371c0f7906dac9b86bf8050f3662
SHA256

5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361
SHA512

9a8376f2ccb7970f57372fba1a75299d7fc31e658e9a03508a884483ed70a1453251618d84ab71e3eba76aa1e924ceccf23ffb83c25cd1f8253fa2987dab7253
SSDEEP

12288:rMrgy90sYvGKunYFwdxzqLaC9XoV6IU7QfPqzEbAp5zbLiedFs1TUJeLrAXKOMLf:DyvLmAzq2CBC6EPHMXLPj2TU0+BbJS

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/0x000b000000023b9b-19.dat	healer
behavioral1/memory/544-22-0x0000000000EA0000-0x0000000000EAA000-memory.dmp	healer
behavioral1/memory/3740-29-0x0000000002200000-0x000000000221A000-memory.dmp	healer
behavioral1/memory/3740-31-0x00000000026C0000-0x00000000026D8000-memory.dmp	healer
behavioral1/memory/3740-37-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-59-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-57-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-55-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-53-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-51-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-49-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-47-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-45-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-43-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-42-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-39-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-35-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-33-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3740-32-0x00000000026C0000-0x00000000026D2000-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\DisableScanOnRealtimeEnable = "1"	reL5937.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sDe5033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sDe5033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	sDe5033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sDe5033.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	reL5937.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	reL5937.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	reL5937.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sDe5033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	sDe5033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	reL5937.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	reL5937.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/0x000a000000023b99-64.dat	family_redline
behavioral1/memory/3224-66-0x0000000000730000-0x0000000000762000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 5 IoCs

pid	Process
1492	vsX1595.exe
1976	vZL0844.exe
544	reL5937.exe
3740	sDe5033.exe
3224	tbW23Dm.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"	reL5937.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	sDe5033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	sDe5033.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\\\""	5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.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\\\""	vsX1595.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\\\""	vZL0844.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4932	3740	WerFault.exe	97

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	5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vsX1595.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vZL0844.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sDe5033.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tbW23Dm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
544	reL5937.exe
544	reL5937.exe
3740	sDe5033.exe
3740	sDe5033.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	reL5937.exe
Token: SeDebugPrivilege	3740	sDe5033.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1492	1984	5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe	83
PID 1984 wrote to memory of 1492	1984	5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe	83
PID 1984 wrote to memory of 1492	1984	5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe	83
PID 1492 wrote to memory of 1976	1492	vsX1595.exe	84
PID 1492 wrote to memory of 1976	1492	vsX1595.exe	84
PID 1492 wrote to memory of 1976	1492	vsX1595.exe	84
PID 1976 wrote to memory of 544	1976	vZL0844.exe	86
PID 1976 wrote to memory of 544	1976	vZL0844.exe	86
PID 1976 wrote to memory of 3740	1976	vZL0844.exe	97
PID 1976 wrote to memory of 3740	1976	vZL0844.exe	97
PID 1976 wrote to memory of 3740	1976	vZL0844.exe	97
PID 1492 wrote to memory of 3224	1492	vsX1595.exe	102
PID 1492 wrote to memory of 3224	1492	vsX1595.exe	102
PID 1492 wrote to memory of 3224	1492	vsX1595.exe	102

C:\Users\Admin\AppData\Local\Temp\5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe
"C:\Users\Admin\AppData\Local\Temp\5b00674a39f9b9e09df571a30c4cd4c689fb2f8c1bc239549af337471b58e361.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vsX1595.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vsX1595.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vZL0844.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vZL0844.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1976
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\reL5937.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\reL5937.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:544
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDe5033.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDe5033.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:3740
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 1084
        5⤵
        Program crash
        
        PID:4932
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tbW23Dm.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tbW23Dm.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3740 -ip 3740
1⤵
PID:3892

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vsX1595.exe

Filesize
481KB

MD5
4617559c685339dbe41aa81b429d5c64

SHA1
898a95c9a5f47480bdb8cc6ce15249e35259ad05

SHA256
3eb1f5d1b5c4e720ca226ecfcc172d89bac2bc33efee9b10246618b6afc8d8c8

SHA512
ee2d673e4bad9b49fb225e576222c2bed1a2c7ad968a14de9e9c979edc1ff39a2d440a6ec241f9da9484cc7094f3f54c23b99ced5902291ce9629b81380c54e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tbW23Dm.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vZL0844.exe

Filesize
336KB

MD5
8f596fc45ad8c85260d8c49e1c557842

SHA1
ba4dcbd5daa533594c97cd48adfaf7c500ad4ec2

SHA256
5e4cd27663cb7bef22d1a5adcf8edbcabe37b1ee317d01f380e02730c2369407

SHA512
7a14c4b20251ad9c97a6f60d2e02306f727b0bb08dfce93561b459c1ce2db72918dcaff2fc9c80364c2a779c40f2cd567e4a2108bfefa9bd700b49b2e585c432

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\reL5937.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDe5033.exe

Filesize
246KB

MD5
74111f0699a5f65cdfb559f2af78154c

SHA1
58376a31374ab99c61fdef725bebb226d492fc04

SHA256
dfe07e9dd1c71fdcfda38e19a37447ad61a65764d51dca2bccecc31e73d914df

SHA512
0490a7d5ca1e56998a38022dc55e4ec730aa9f160bd85c8e16e44488fca04e7652ac2024c36e8c15e6de4f3128dbdfc0b0364ca472fe2b6beb51fde3884b8562

Download Submit
memory/544-21-0x00007FFD2EE73000-0x00007FFD2EE75000-memory.dmp

Filesize
8KB

Download
memory/544-23-0x00007FFD2EE73000-0x00007FFD2EE75000-memory.dmp

Filesize
8KB

Download
memory/544-22-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

Filesize
40KB

Download
memory/3224-71-0x0000000005330000-0x000000000537C000-memory.dmp

Filesize
304KB

Download
memory/3224-70-0x00000000051B0000-0x00000000051EC000-memory.dmp

Filesize
240KB

Download
memory/3224-69-0x0000000005150000-0x0000000005162000-memory.dmp

Filesize
72KB

Download
memory/3224-68-0x0000000005220000-0x000000000532A000-memory.dmp

Filesize
1.0MB

Download
memory/3224-67-0x00000000056F0000-0x0000000005D08000-memory.dmp

Filesize
6.1MB

Download
memory/3224-66-0x0000000000730000-0x0000000000762000-memory.dmp

Filesize
200KB

Download
memory/3740-49-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-33-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-53-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-47-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-45-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-43-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-42-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-39-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-35-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-51-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-32-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-60-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/3740-62-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/3740-55-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-57-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-59-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-37-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3740-31-0x00000000026C0000-0x00000000026D8000-memory.dmp

Filesize
96KB

Download
memory/3740-30-0x0000000004BC0000-0x0000000005164000-memory.dmp

Filesize
5.6MB

Download
memory/3740-29-0x0000000002200000-0x000000000221A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads