healer | 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c

General

Target

997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe
Size

478KB
MD5

204342f170e75e23af8a9c320266961d
SHA1

424f56fcaa83923a58be4c0d8ba2a60466d2a4c7
SHA256

997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c
SHA512

82d5312e6cd89a387768e4522ca39b32294b9bb427ae0eabd4ef4e423d0c659865dcd5fed96bef8c3cc1f684bdb77507d8472e85848c85e046fa0d7ad3e67e10
SSDEEP

12288:yMr8y90dQTBpayTbzVziDw/AHhZobwwt:Syws7ay/zNiDbHYEs

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/0x000b000000023b33-12.dat	healer
behavioral1/memory/2244-15-0x0000000000B70000-0x0000000000B7A000-memory.dmp	healer
behavioral1/memory/4956-22-0x00000000026B0000-0x00000000026CA000-memory.dmp	healer
behavioral1/memory/4956-24-0x0000000002810000-0x0000000002828000-memory.dmp	healer
behavioral1/memory/4956-25-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-34-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-50-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-48-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-46-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-45-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-42-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-40-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-38-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-36-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-32-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-30-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-28-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-26-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4956-52-0x0000000002810000-0x0000000002822000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eHB43xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dbj21Ub.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eHB43xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eHB43xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eHB43xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dbj21Ub.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eHB43xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eHB43xy.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dbj21Ub.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dbj21Ub.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dbj21Ub.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dbj21Ub.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/0x000a000000023b31-58.dat	family_redline
behavioral1/memory/868-59-0x0000000000200000-0x0000000000232000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4840	nwp36TZ50.exe
2244	dbj21Ub.exe
4956	eHB43xy.exe
868	fKo46nQ.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"	dbj21Ub.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eHB43xy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eHB43xy.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nwp36TZ50.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\\\""	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4560	4956	WerFault.exe	98

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	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwp36TZ50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eHB43xy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fKo46nQ.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2244	dbj21Ub.exe
2244	dbj21Ub.exe
4956	eHB43xy.exe
4956	eHB43xy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	dbj21Ub.exe
Token: SeDebugPrivilege	4956	eHB43xy.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 4840	3272	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe	83
PID 3272 wrote to memory of 4840	3272	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe	83
PID 3272 wrote to memory of 4840	3272	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe	83
PID 4840 wrote to memory of 2244	4840	nwp36TZ50.exe	84
PID 4840 wrote to memory of 2244	4840	nwp36TZ50.exe	84
PID 4840 wrote to memory of 4956	4840	nwp36TZ50.exe	98
PID 4840 wrote to memory of 4956	4840	nwp36TZ50.exe	98
PID 4840 wrote to memory of 4956	4840	nwp36TZ50.exe	98
PID 3272 wrote to memory of 868	3272	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe	107
PID 3272 wrote to memory of 868	3272	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe	107
PID 3272 wrote to memory of 868	3272	997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe	107

C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe
"C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2244
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.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:4956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 1080
      4⤵
      Program crash
      PID:4560
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4956 -ip 4956
1⤵
PID:4556

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\fKo46nQ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe

Filesize
333KB

MD5
8d67ecbb52acccfe7592974236a8e144

SHA1
9631c33b791b42c8b068891703bc3cb19beeda5c

SHA256
69e4848631c84ee0acbf0c2eabfff5acb3f8f00395165111f4247b7dce2c8a64

SHA512
0963812e5543739323a7e200a5e7b1894bbb1ba98ec60593f00bbbd77a408ae48544fc7092febe0c000577026df869dcff6afcab5e86b093ad20a54af0277635

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exe

Filesize
235KB

MD5
af46fb17041be29f19051c67b043220e

SHA1
98b0491ed01c00ddbbc2fe0b276372a1b815cced

SHA256
1c9691dfabf284f47947e4bbebb7e0991a75eb18824aaaf3ccbe21137cbca901

SHA512
ffae0009b976e86d724afdffc53d82477dc62c5ed182df7701a2953300a780ca43fec192a974ef6d80820a4c8a4e1adaa9784eef6b8ac9d45f0c604dabff85ea

Download Submit
memory/868-61-0x0000000004CE0000-0x0000000004DEA000-memory.dmp

Filesize
1.0MB

Download
memory/868-64-0x0000000004C70000-0x0000000004CBC000-memory.dmp

Filesize
304KB

Download
memory/868-63-0x0000000004DF0000-0x0000000004E2C000-memory.dmp

Filesize
240KB

Download
memory/868-62-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/868-60-0x00000000051A0000-0x00000000057B8000-memory.dmp

Filesize
6.1MB

Download
memory/868-59-0x0000000000200000-0x0000000000232000-memory.dmp

Filesize
200KB

Download
memory/2244-16-0x00007FFD501E3000-0x00007FFD501E5000-memory.dmp

Filesize
8KB

Download
memory/2244-15-0x0000000000B70000-0x0000000000B7A000-memory.dmp

Filesize
40KB

Download
memory/2244-14-0x00007FFD501E3000-0x00007FFD501E5000-memory.dmp

Filesize
8KB

Download
memory/4956-40-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-26-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-42-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-46-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-38-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-36-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-32-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-30-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-28-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-45-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-52-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-53-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4956-55-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4956-48-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-50-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-34-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-25-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4956-24-0x0000000002810000-0x0000000002828000-memory.dmp

Filesize
96KB

Download
memory/4956-23-0x0000000004DF0000-0x0000000005394000-memory.dmp

Filesize
5.6MB

Download
memory/4956-22-0x00000000026B0000-0x00000000026CA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads