healer | c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a

General

Target

c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe
Size

855KB
MD5

ba29478cfd32e435d3d922c3f4ba2a5c
SHA1

533f4087d2962cd369c8648215f3223897c31690
SHA256

c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a
SHA512

9e34db8bb350dd290859befd77df7f5596fd3ac29ce17d3cc04a56f143b225d9a96d186e2955a400ab77cc10d9cde862e7ddfaef7a897813abf01f4b3968c6cd
SSDEEP

12288:8Mrgy909dxyi5hBrWtkNT1klvH6ExlDIlDtPaesSpZNLy6q:cySdxfCiNBqxQtPHdZN+J

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/0x0008000000023cbb-19.dat	healer
behavioral1/memory/2096-22-0x0000000000010000-0x000000000001A000-memory.dmp	healer
behavioral1/memory/236-29-0x0000000002430000-0x000000000244A000-memory.dmp	healer
behavioral1/memory/236-31-0x00000000026C0000-0x00000000026D8000-memory.dmp	healer
behavioral1/memory/236-59-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-58-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-55-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-53-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-51-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-49-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-47-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-45-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-43-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-41-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-39-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-32-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-37-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-35-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/236-33-0x00000000026C0000-0x00000000026D2000-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"	rws5883.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sKd2354.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	sKd2354.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sKd2354.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rws5883.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rws5883.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rws5883.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sKd2354.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sKd2354.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	sKd2354.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rws5883.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rws5883.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/0x0007000000023cb9-65.dat	family_redline
behavioral1/memory/100-66-0x00000000005E0000-0x0000000000612000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 5 IoCs

pid	Process
3292	vDk5722.exe
2776	vua1259.exe
2096	rws5883.exe
236	sKd2354.exe
100	tEw96Mw.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	sKd2354.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	rws5883.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	sKd2354.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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	vua1259.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\\\""	c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.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\\\""	vDk5722.exe

Launches sc.exe 1 IoCs

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

pid	Process
4468	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	236	WerFault.exe	96

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	c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vDk5722.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vua1259.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sKd2354.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tEw96Mw.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2096	rws5883.exe
2096	rws5883.exe
236	sKd2354.exe
236	sKd2354.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	rws5883.exe
Token: SeDebugPrivilege	236	sKd2354.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3292	1492	c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe	84
PID 1492 wrote to memory of 3292	1492	c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe	84
PID 1492 wrote to memory of 3292	1492	c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe	84
PID 3292 wrote to memory of 2776	3292	vDk5722.exe	85
PID 3292 wrote to memory of 2776	3292	vDk5722.exe	85
PID 3292 wrote to memory of 2776	3292	vDk5722.exe	85
PID 2776 wrote to memory of 2096	2776	vua1259.exe	86
PID 2776 wrote to memory of 2096	2776	vua1259.exe	86
PID 2776 wrote to memory of 236	2776	vua1259.exe	96
PID 2776 wrote to memory of 236	2776	vua1259.exe	96
PID 2776 wrote to memory of 236	2776	vua1259.exe	96
PID 3292 wrote to memory of 100	3292	vDk5722.exe	101
PID 3292 wrote to memory of 100	3292	vDk5722.exe	101
PID 3292 wrote to memory of 100	3292	vDk5722.exe	101

C:\Users\Admin\AppData\Local\Temp\c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe
"C:\Users\Admin\AppData\Local\Temp\c79c30fd1c7743eccf894ed23d8b5da397bcd6399f045e743bc64801fe04023a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vDk5722.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vDk5722.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vua1259.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vua1259.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rws5883.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rws5883.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2096
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sKd2354.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sKd2354.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:236
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 236 -s 1080
        5⤵
        Program crash
        
        PID:3048
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tEw96Mw.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tEw96Mw.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 236 -ip 236
1⤵
PID:3948

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4468

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\vDk5722.exe

Filesize
501KB

MD5
c54ec3be77d4b1077020d462c6864af0

SHA1
dcb3720e1e6ad59e1f9ce1ff740e29ee54268946

SHA256
b5c41823c8033084c9b2db69c0fb3ff6ae0819392ea755891896477c7956cafe

SHA512
657903a36803988ca4e35ba22d7d546ca138ec9a3d378e9839d122a03bd8007eeca9459e374f3a1412bfae7649f0f35d0363926ba9b9e89bf73c9f3961609563

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tEw96Mw.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vua1259.exe

Filesize
356KB

MD5
75c3c62f06108da36eb69b33e0766d5c

SHA1
0573120f0b57f40b981581f3e6e62527a5a1748e

SHA256
a8610cdf43fe7888b4c531f6efeeee424f89df444d373fdb498fb938724deb9a

SHA512
5ee3a0509a6c97744f056c099227438873fe182890379492f7e9a928ce239fc980954678214683db15ee92b2d30031fc747fe8866ec7c01f7ba48e0d95096ac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rws5883.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sKd2354.exe

Filesize
295KB

MD5
2338c84711b756237e614c3869cf6100

SHA1
6146eace912945070cb084fe3839c8d2dc27c403

SHA256
fbfd8bd7e7ff54ce43c209c34a9959ad1abe7325209756decc04e3d9a44ff87b

SHA512
24bd3e70fc0ac61f6fcc432de5e93ac38c66eb3fb0e9b09337acc526873dd42f779f2741761ffb1677936e8f219f3c3b683c9476d8ab604803795fc323c7bae6

Download Submit
memory/100-71-0x0000000005090000-0x00000000050DC000-memory.dmp

Filesize
304KB

Download
memory/100-70-0x0000000004F20000-0x0000000004F5C000-memory.dmp

Filesize
240KB

Download
memory/100-69-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

Filesize
72KB

Download
memory/100-68-0x0000000004F80000-0x000000000508A000-memory.dmp

Filesize
1.0MB

Download
memory/100-67-0x0000000005400000-0x0000000005A18000-memory.dmp

Filesize
6.1MB

Download
memory/100-66-0x00000000005E0000-0x0000000000612000-memory.dmp

Filesize
200KB

Download
memory/236-47-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-37-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-53-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-51-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-49-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-58-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-45-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-43-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-41-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-39-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-32-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-55-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-35-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-33-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-60-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/236-62-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/236-59-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/236-31-0x00000000026C0000-0x00000000026D8000-memory.dmp

Filesize
96KB

Download
memory/236-30-0x0000000004CB0000-0x0000000005254000-memory.dmp

Filesize
5.6MB

Download
memory/236-29-0x0000000002430000-0x000000000244A000-memory.dmp

Filesize
104KB

Download
memory/2096-23-0x00007FFD4EFC3000-0x00007FFD4EFC5000-memory.dmp

Filesize
8KB

Download
memory/2096-22-0x0000000000010000-0x000000000001A000-memory.dmp

Filesize
40KB

Download
memory/2096-21-0x00007FFD4EFC3000-0x00007FFD4EFC5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads