healer | 28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7

General

Target

28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe
Size

484KB
MD5

a03c4dcd4acc57491cedbb447fda3c82
SHA1

8622dfdd6cb46ef2a3d6af4f591c24e852159683
SHA256

28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7
SHA512

5363afc31faae2b375386643c3ced2e25c5f178453155ae9fffe1d55c0638663cda675acbada8c4efc8272264f767682a164d9856fe5410ece90ae115ae498de
SSDEEP

12288:6MrXy90KXhMWaqlftD5glRDDUJ12xjie/GW1rIy5TH:ZyZ+qf5g7UJExjvFL5TH

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/0x0008000000023c9d-12.dat	healer
behavioral1/memory/2344-15-0x0000000000B70000-0x0000000000B7A000-memory.dmp	healer
behavioral1/memory/452-22-0x0000000002860000-0x000000000287A000-memory.dmp	healer
behavioral1/memory/452-24-0x00000000029D0000-0x00000000029E8000-memory.dmp	healer
behavioral1/memory/452-25-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-40-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-52-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-50-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-48-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-46-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-44-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-42-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-38-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-36-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-34-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-32-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-30-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-28-0x00000000029D0000-0x00000000029E2000-memory.dmp	healer
behavioral1/memory/452-26-0x00000000029D0000-0x00000000029E2000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eFO48wF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eFO48wF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eFO48wF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dPW52Sh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dPW52Sh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dPW52Sh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dPW52Sh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eFO48wF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eFO48wF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eFO48wF.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dPW52Sh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dPW52Sh.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/0x0007000000023c9b-57.dat	family_redline
behavioral1/memory/744-59-0x00000000004A0000-0x00000000004D2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2052	nfn46Xh74.exe
2344	dPW52Sh.exe
452	eFO48wF.exe
744	fvu52Dj.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"	dPW52Sh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eFO48wF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eFO48wF.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\\\""	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.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\\\""	nfn46Xh74.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3376	452	WerFault.exe	95

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	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nfn46Xh74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eFO48wF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fvu52Dj.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2344	dPW52Sh.exe
2344	dPW52Sh.exe
452	eFO48wF.exe
452	eFO48wF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	dPW52Sh.exe
Token: SeDebugPrivilege	452	eFO48wF.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2052	996	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe	83
PID 996 wrote to memory of 2052	996	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe	83
PID 996 wrote to memory of 2052	996	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe	83
PID 2052 wrote to memory of 2344	2052	nfn46Xh74.exe	84
PID 2052 wrote to memory of 2344	2052	nfn46Xh74.exe	84
PID 2052 wrote to memory of 452	2052	nfn46Xh74.exe	95
PID 2052 wrote to memory of 452	2052	nfn46Xh74.exe	95
PID 2052 wrote to memory of 452	2052	nfn46Xh74.exe	95
PID 996 wrote to memory of 744	996	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe	100
PID 996 wrote to memory of 744	996	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe	100
PID 996 wrote to memory of 744	996	28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe	100

C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe
"C:\Users\Admin\AppData\Local\Temp\28a8b4a1270a2dbbdd38b324dfb6b3d2fe4ff2b4c3f83d45f9b5f91d82ad08b7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2344
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.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:452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 1080
      4⤵
      Program crash
      PID:3376
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fvu52Dj.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 452 -ip 452
1⤵
PID:3708

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\fvu52Dj.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfn46Xh74.exe

Filesize
339KB

MD5
08ad82aa206a707a8e0acd5622083b9d

SHA1
5e96328566b01493816dcee9cf52d1e6025de478

SHA256
5caf647898503798ad95b59ad9eb36de5c37f3db14571680578ff51d9ae2a7b7

SHA512
23c9c535134ea2a50c0e828d6c4dacaf4ef56b3e5fa3db3dec03300d274c3984bdaacb8256c1864b052b3aa80314ac75ca70be43e6df73b0962eabe85d24a853

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPW52Sh.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFO48wF.exe

Filesize
249KB

MD5
2c5daade6cc93f76114b06d1777c7786

SHA1
108f23add9f97b469b264b136e4ed6076e73de90

SHA256
195831618f4971eda5b00d51d892b4bf7b6519d79b278e2d477a1dfb56b91fbf

SHA512
f074459406c33eabae671e63ca2d6dd7087db63fc1ab338cb721b97735085c7b828c920005111c4ed3d101a6e607e0e100805f417518ffcef4a70551bb2e3814

Download Submit
memory/452-42-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-38-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-22-0x0000000002860000-0x000000000287A000-memory.dmp

Filesize
104KB

Download
memory/452-23-0x0000000004E90000-0x0000000005434000-memory.dmp

Filesize
5.6MB

Download
memory/452-24-0x00000000029D0000-0x00000000029E8000-memory.dmp

Filesize
96KB

Download
memory/452-25-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-40-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-52-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-50-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-48-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-46-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-44-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-54-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/452-26-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-36-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-34-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-32-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-30-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/452-28-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/744-59-0x00000000004A0000-0x00000000004D2000-memory.dmp

Filesize
200KB

Download
memory/744-60-0x00000000052C0000-0x00000000058D8000-memory.dmp

Filesize
6.1MB

Download
memory/744-61-0x0000000004E40000-0x0000000004F4A000-memory.dmp

Filesize
1.0MB

Download
memory/744-62-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/744-63-0x0000000004F50000-0x0000000004F8C000-memory.dmp

Filesize
240KB

Download
memory/744-64-0x0000000004D90000-0x0000000004DDC000-memory.dmp

Filesize
304KB

Download
memory/2344-16-0x00007FFA5DAA3000-0x00007FFA5DAA5000-memory.dmp

Filesize
8KB

Download
memory/2344-15-0x0000000000B70000-0x0000000000B7A000-memory.dmp

Filesize
40KB

Download
memory/2344-14-0x00007FFA5DAA3000-0x00007FFA5DAA5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads