healer | 4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312

General

Target

4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe
Size

855KB
MD5

e0e044e6d646ef9707c95ecd72dbf66b
SHA1

1763dac469193cdea76e1a830f183a44aa69af55
SHA256

4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312
SHA512

53068a777cc236a42e706817fcb94d13aff97e3251488896f2d964fe437f12c25ff96e2b21350fddecd1a41ec3528ab39fc936af958c5681ab56797e675aa79b
SSDEEP

24576:5yCjXw7kguZOFNgnnszKss9Uaz1uedz9c3lo:sCjXU+GSnnszKl93Ne1

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/0x0008000000023cb5-19.dat	healer
behavioral1/memory/628-22-0x0000000000B10000-0x0000000000B1A000-memory.dmp	healer
behavioral1/memory/1420-29-0x00000000023C0000-0x00000000023DA000-memory.dmp	healer
behavioral1/memory/1420-31-0x0000000002610000-0x0000000002628000-memory.dmp	healer
behavioral1/memory/1420-57-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-56-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-53-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-51-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-49-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-59-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-47-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-45-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-43-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-41-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-39-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-37-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-35-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-33-0x0000000002610000-0x0000000002622000-memory.dmp	healer
behavioral1/memory/1420-32-0x0000000002610000-0x0000000002622000-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"	rle9345.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sDE2676.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sDE2676.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	sDE2676.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rle9345.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rle9345.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rle9345.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rle9345.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rle9345.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sDE2676.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	sDE2676.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sDE2676.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/0x0007000000023cb2-64.dat	family_redline
behavioral1/memory/1896-66-0x0000000000520000-0x0000000000552000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 5 IoCs

pid	Process
4028	vEf4450.exe
3052	vOj7358.exe
628	rle9345.exe
1420	sDE2676.exe
1896	tCw85lI.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"	rle9345.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	sDE2676.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	sDE2676.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	vEf4450.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\\\""	vOj7358.exe
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\\\""	4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1476	1420	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	4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vEf4450.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vOj7358.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sDE2676.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tCw85lI.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
628	rle9345.exe
628	rle9345.exe
1420	sDE2676.exe
1420	sDE2676.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	rle9345.exe
Token: SeDebugPrivilege	1420	sDE2676.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 724 wrote to memory of 4028	724	4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe	84
PID 724 wrote to memory of 4028	724	4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe	84
PID 724 wrote to memory of 4028	724	4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe	84
PID 4028 wrote to memory of 3052	4028	vEf4450.exe	85
PID 4028 wrote to memory of 3052	4028	vEf4450.exe	85
PID 4028 wrote to memory of 3052	4028	vEf4450.exe	85
PID 3052 wrote to memory of 628	3052	vOj7358.exe	86
PID 3052 wrote to memory of 628	3052	vOj7358.exe	86
PID 3052 wrote to memory of 1420	3052	vOj7358.exe	97
PID 3052 wrote to memory of 1420	3052	vOj7358.exe	97
PID 3052 wrote to memory of 1420	3052	vOj7358.exe	97
PID 4028 wrote to memory of 1896	4028	vEf4450.exe	102
PID 4028 wrote to memory of 1896	4028	vEf4450.exe	102
PID 4028 wrote to memory of 1896	4028	vEf4450.exe	102

C:\Users\Admin\AppData\Local\Temp\4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe
"C:\Users\Admin\AppData\Local\Temp\4d56cbe483b6894cdab9eb5c8d840853af1b1bbc95153ef5ee3baaec5bd6f312.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:724
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vEf4450.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vEf4450.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vOj7358.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vOj7358.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3052
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rle9345.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rle9345.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:628
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDE2676.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDE2676.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:1420
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 1084
        5⤵
        Program crash
        
        PID:1476
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tCw85lI.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tCw85lI.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1420 -ip 1420
1⤵
PID:1232

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\vEf4450.exe

Filesize
500KB

MD5
290448c87aa9ec550d46aeede166f271

SHA1
0b935fa395e40cdd5daf1c498252f4977ed6872b

SHA256
28487fe8e4ab8b3d34752c879994b73ebea213635aec8a4a6879e54b08d90c75

SHA512
02b2c6530ac4878990e76058008dd3d77aa90b19973831c1d22cbb137474ad20e70eaf721e248d7a631d9b8fb5a13bb25b5f245cfdb62e91d229771b89c069ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tCw85lI.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vOj7358.exe

Filesize
356KB

MD5
a9fe9f6c48f4d6595c780380032230ba

SHA1
7d78499c55b064078d329829bc0e027ba8c51b6d

SHA256
d91d3888534366eb0bf2b7f71549f840910e53bdcfd66b2dc849e74fd073f21f

SHA512
9b8af63ac9692e714a671a62abeeac9f86d970b0e9fd359d791497ab80fd19aaf16731175588905632ef6446f3ffda224832b91c2218d9fb97967595601bc238

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rle9345.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sDE2676.exe

Filesize
295KB

MD5
d1baaaef27df63f5eee510b48a48fb0a

SHA1
9fbfd664631228831a0e75e1b2ec97078d1ba5ed

SHA256
13fa439a8f580d451aabe918306177a7f38920a07dc07665b05c4c5f19e726b7

SHA512
5598f84da673777996cf10e9af99d20b365c945f9eb5807f9fcaa5387c21201c1a5cc699b67e381ee82bd5adb6fefd167f1f62bd0421a21f5d172f6853ebd988

Download Submit
memory/628-21-0x00007FFA13223000-0x00007FFA13225000-memory.dmp

Filesize
8KB

Download
memory/628-22-0x0000000000B10000-0x0000000000B1A000-memory.dmp

Filesize
40KB

Download
memory/628-23-0x00007FFA13223000-0x00007FFA13225000-memory.dmp

Filesize
8KB

Download
memory/1420-47-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-37-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-57-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-56-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-53-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-51-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-49-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-59-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-30-0x0000000004D20000-0x00000000052C4000-memory.dmp

Filesize
5.6MB

Download
memory/1420-45-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-43-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-41-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-39-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-31-0x0000000002610000-0x0000000002628000-memory.dmp

Filesize
96KB

Download
memory/1420-35-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-33-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-32-0x0000000002610000-0x0000000002622000-memory.dmp

Filesize
72KB

Download
memory/1420-60-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1420-62-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1420-29-0x00000000023C0000-0x00000000023DA000-memory.dmp

Filesize
104KB

Download
memory/1896-66-0x0000000000520000-0x0000000000552000-memory.dmp

Filesize
200KB

Download
memory/1896-67-0x0000000005480000-0x0000000005A98000-memory.dmp

Filesize
6.1MB

Download
memory/1896-68-0x0000000005000000-0x000000000510A000-memory.dmp

Filesize
1.0MB

Download
memory/1896-69-0x0000000004F30000-0x0000000004F42000-memory.dmp

Filesize
72KB

Download
memory/1896-70-0x0000000004F90000-0x0000000004FCC000-memory.dmp

Filesize
240KB

Download
memory/1896-71-0x0000000005110000-0x000000000515C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads