healer | 20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12

General

Target

20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe
Size

478KB
MD5

26d4d605689110fcc1dfc265269571fd
SHA1

7a08c6207b37e7d973cb8aab5a93734d99570931
SHA256

20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12
SHA512

598a800235d7aa105abc289ed6bf11bd15612efcac69e7c8688c3ebdd1f95120eebd135195b4135c1f4793cefb040928d514ddfd0632b3e771111cfc9ecd66b0
SSDEEP

6144:Kiy+bnr+cp0yN90QEgDgh0Hjdlju4c2+ynJIq4FWv6ykMtG/m6/RY4xsZJHCphqX:uMr0y90uDgaDdlj5f3vsGmY4xQHus5

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023bad-12.dat	healer
behavioral1/memory/4784-15-0x00000000007B0000-0x00000000007BA000-memory.dmp	healer
behavioral1/memory/4764-22-0x00000000027F0000-0x000000000280A000-memory.dmp	healer
behavioral1/memory/4764-24-0x0000000004D10000-0x0000000004D28000-memory.dmp	healer
behavioral1/memory/4764-52-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-51-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-48-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-46-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-44-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-42-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-40-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-38-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-36-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-34-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-32-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-30-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-28-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-26-0x0000000004D10000-0x0000000004D22000-memory.dmp	healer
behavioral1/memory/4764-25-0x0000000004D10000-0x0000000004D22000-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\DisableOnAccessProtection = "1"	dyO39fC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dyO39fC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dyO39fC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	etS97HO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	etS97HO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dyO39fC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dyO39fC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	etS97HO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	etS97HO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	etS97HO.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dyO39fC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	etS97HO.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/0x000a000000023bab-57.dat	family_redline
behavioral1/memory/4928-59-0x0000000000850000-0x0000000000882000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2488	nau46Tw36.exe
4784	dyO39fC.exe
4764	etS97HO.exe
4928	fFR28WX.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"	etS97HO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dyO39fC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	etS97HO.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\\\""	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.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\\\""	nau46Tw36.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3984	4764	WerFault.exe	96

System Location Discovery: System Language Discovery 1 TTPs 4 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	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nau46Tw36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	etS97HO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fFR28WX.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4784	dyO39fC.exe
4784	dyO39fC.exe
4764	etS97HO.exe
4764	etS97HO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4784	dyO39fC.exe
Token: SeDebugPrivilege	4764	etS97HO.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 2488	3804	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe	83
PID 3804 wrote to memory of 2488	3804	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe	83
PID 3804 wrote to memory of 2488	3804	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe	83
PID 2488 wrote to memory of 4784	2488	nau46Tw36.exe	84
PID 2488 wrote to memory of 4784	2488	nau46Tw36.exe	84
PID 2488 wrote to memory of 4764	2488	nau46Tw36.exe	96
PID 2488 wrote to memory of 4764	2488	nau46Tw36.exe	96
PID 2488 wrote to memory of 4764	2488	nau46Tw36.exe	96
PID 3804 wrote to memory of 4928	3804	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe	101
PID 3804 wrote to memory of 4928	3804	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe	101
PID 3804 wrote to memory of 4928	3804	20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe	101

C:\Users\Admin\AppData\Local\Temp\20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe
"C:\Users\Admin\AppData\Local\Temp\20e20a7adb08e734c12de3bbce7fa0f9407d6fa514fac09abd8e38810d341b12.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nau46Tw36.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nau46Tw36.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dyO39fC.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dyO39fC.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4784
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etS97HO.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etS97HO.exe
    3⤵
    - 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:4764
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 1080
      4⤵
      Program crash
      PID:3984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFR28WX.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFR28WX.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4764 -ip 4764
1⤵
PID:708

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\fFR28WX.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nau46Tw36.exe

Filesize
333KB

MD5
a8a354e52035eaf2436084895d5fffe8

SHA1
02e91ef4e9d9b5b219cfe1a6dc587140826052a2

SHA256
69fb7cb191c8ff3caed03afaca8309d1b743bef043ee5bc349cd5bc8f8c8b92b

SHA512
05111504ae49f27b70dda4705f42d3449a44ff21cc83fd36ec04e05ade923ff59c161eb72da8b3cfa34b20626d4f2fb510e3fbb57eaf04d3da1197d6f5589afd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dyO39fC.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etS97HO.exe

Filesize
235KB

MD5
a83f871ff3ff4702c68b94e0ba9ed0da

SHA1
6a7ceb6521559ec069e0067036d6d2de3a8294b4

SHA256
a7804907253a51461b3a23f3f54f59060707f4672c38f9b09d9cbb16b00e8fe8

SHA512
91d7e6c48afc6f334338aff3f0253f4593c03ab3d2657aa659fc67fb6288113e97211a89f58dd1c7906f662af14ca9dcd2d76c205ba5c121baf4e21fecfc8f6f

Download Submit
memory/4764-38-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-32-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-22-0x00000000027F0000-0x000000000280A000-memory.dmp

Filesize
104KB

Download
memory/4764-23-0x0000000004E50000-0x00000000053F4000-memory.dmp

Filesize
5.6MB

Download
memory/4764-24-0x0000000004D10000-0x0000000004D28000-memory.dmp

Filesize
96KB

Download
memory/4764-52-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-51-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-48-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-46-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-44-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-42-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-40-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-55-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4764-36-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-34-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-53-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4764-30-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-28-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-26-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4764-25-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/4784-16-0x00007FF896EF3000-0x00007FF896EF5000-memory.dmp

Filesize
8KB

Download
memory/4784-15-0x00000000007B0000-0x00000000007BA000-memory.dmp

Filesize
40KB

Download
memory/4784-14-0x00007FF896EF3000-0x00007FF896EF5000-memory.dmp

Filesize
8KB

Download
memory/4928-59-0x0000000000850000-0x0000000000882000-memory.dmp

Filesize
200KB

Download
memory/4928-60-0x0000000005780000-0x0000000005D98000-memory.dmp

Filesize
6.1MB

Download
memory/4928-61-0x0000000005270000-0x000000000537A000-memory.dmp

Filesize
1.0MB

Download
memory/4928-62-0x0000000002A30000-0x0000000002A42000-memory.dmp

Filesize
72KB

Download
memory/4928-63-0x00000000051A0000-0x00000000051DC000-memory.dmp

Filesize
240KB

Download
memory/4928-64-0x00000000051E0000-0x000000000522C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads