healer | 3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014

General

Target

3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe
Size

470KB
MD5

d0ea9bf585f1a9135fc20394676aa0fc
SHA1

66c82249048585198bed2ea310a7c56e4eb8f26d
SHA256

3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014
SHA512

943e0da4bd18e4bda3f5b285d66d41d22581bccfc6f6f693ff60d80c23f08e1c2377eb9af0ba2cc63cc03b47abb6167c351607cc2de3a7d6ee5eaceb03e65310
SSDEEP

6144:Kdy+bnr+Fp0yN90QEIKmwpiV39OzbzinfVzCQFsmDSStilhhEEHur9mwafuVVXJm:TMrly90i5wpix0uFnC4SSkQ9JVVXgY6

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 17 IoCs

resource	yara_rule
behavioral1/memory/3048-19-0x00000000025B0000-0x00000000025CA000-memory.dmp	healer
behavioral1/memory/3048-21-0x0000000002880000-0x0000000002898000-memory.dmp	healer
behavioral1/memory/3048-41-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-49-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-47-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-45-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-39-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-43-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-37-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-35-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-33-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-29-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-27-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-25-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-23-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-31-0x0000000002880000-0x0000000002892000-memory.dmp	healer
behavioral1/memory/3048-22-0x0000000002880000-0x0000000002892000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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	bCd87ey.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bCd87ey.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bCd87ey.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bCd87ey.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bCd87ey.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bCd87ey.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/0x0007000000023ca1-57.dat	family_redline
behavioral1/memory/2136-59-0x0000000000A40000-0x0000000000A72000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
1800	nSd81fu.exe
3048	bCd87ey.exe
2136	djJ52ci.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	bCd87ey.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bCd87ey.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\\\""	3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.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\\\""	nSd81fu.exe

Launches sc.exe 1 IoCs

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

pid	Process
4528	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3340	3048	WerFault.exe	84

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	nSd81fu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bCd87ey.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	djJ52ci.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	bCd87ey.exe
3048	bCd87ey.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	bCd87ey.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 1800	3472	3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe	83
PID 3472 wrote to memory of 1800	3472	3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe	83
PID 3472 wrote to memory of 1800	3472	3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe	83
PID 1800 wrote to memory of 3048	1800	nSd81fu.exe	84
PID 1800 wrote to memory of 3048	1800	nSd81fu.exe	84
PID 1800 wrote to memory of 3048	1800	nSd81fu.exe	84
PID 1800 wrote to memory of 2136	1800	nSd81fu.exe	96
PID 1800 wrote to memory of 2136	1800	nSd81fu.exe	96
PID 1800 wrote to memory of 2136	1800	nSd81fu.exe	96

C:\Users\Admin\AppData\Local\Temp\3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe
"C:\Users\Admin\AppData\Local\Temp\3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.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:3048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 1084
      4⤵
      Program crash
      PID:3340
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3048 -ip 3048
1⤵
PID:1816

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4528

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\nSd81fu.exe

Filesize
366KB

MD5
b316c6d8c14d06e521cab5ae5a5b2a8d

SHA1
37dfffc0c539ea29118980fd9125ebaa8867613a

SHA256
1c743d03de50881359e6754dbfc3e7dd94de13d06467ab404ef2c063ee9c92d8

SHA512
0b45221807f82e17419fd64cf591276cedda4291fe08082c92987d48d534d333ccb868ff3999bddeac188935777bac5d52e7a61bbeed071aba24b16f2688fc99

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exe

Filesize
220KB

MD5
de42ca5e48e76be8fc7fd36752b6eb50

SHA1
c594fea49882a1f0c4745c38de903c8f3e963acd

SHA256
9be125a22fe4bbedcd63b46faf563f107bb54c1f6c894e45b4794c3e184aa0aa

SHA512
b4dbe8b6ed6cf26a7225ef2a8af07629fdcc447920dd8bb5362cefdbbafe439ef92e5011c8c26716dba06646d161eca676470e484995173dd39dc42db454ff7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2136-64-0x0000000005630000-0x000000000567C000-memory.dmp

Filesize
304KB

Download
memory/2136-63-0x00000000054D0000-0x000000000550C000-memory.dmp

Filesize
240KB

Download
memory/2136-62-0x0000000005470000-0x0000000005482000-memory.dmp

Filesize
72KB

Download
memory/2136-61-0x0000000005520000-0x000000000562A000-memory.dmp

Filesize
1.0MB

Download
memory/2136-60-0x00000000059C0000-0x0000000005FD8000-memory.dmp

Filesize
6.1MB

Download
memory/2136-59-0x0000000000A40000-0x0000000000A72000-memory.dmp

Filesize
200KB

Download
memory/3048-35-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-31-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-47-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-45-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-39-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-43-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-37-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-41-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-33-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-29-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-27-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-25-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-23-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-49-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-22-0x0000000002880000-0x0000000002892000-memory.dmp

Filesize
72KB

Download
memory/3048-50-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/3048-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3048-54-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/3048-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3048-21-0x0000000002880000-0x0000000002898000-memory.dmp

Filesize
96KB

Download
memory/3048-20-0x0000000004F90000-0x0000000005534000-memory.dmp

Filesize
5.6MB

Download
memory/3048-19-0x00000000025B0000-0x00000000025CA000-memory.dmp

Filesize
104KB

Download
memory/3048-18-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/3048-17-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/3048-15-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/3048-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads