healer | b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80

General

Target

b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe
Size

500KB
MD5

9fc71b09740f9ffae9b729cb8b18186e
SHA1

e5d17ccda6ba5c9a3941b88b2be193ab634a7872
SHA256

b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80
SHA512

05972f7cb05f181e4357b29d418308a013aae0702012a37f100ae6ae239fd34859d4a75a9ffb6be54d7a2eff1ea116308cb2671c829384698a6a31aa111fa1b7
SSDEEP

12288:ZMrYy90bppvqxMltcwSRW/nipZgN2tSy:FyUp1k2tSW/4SuSy

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/0x0008000000023cd1-12.dat	healer
behavioral1/memory/1668-15-0x0000000000D10000-0x0000000000D1A000-memory.dmp	healer
behavioral1/memory/4440-22-0x00000000024D0000-0x00000000024EA000-memory.dmp	healer
behavioral1/memory/4440-24-0x0000000005120000-0x0000000005138000-memory.dmp	healer
behavioral1/memory/4440-25-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-34-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-52-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-50-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-48-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-46-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-44-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-42-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-40-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-38-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-36-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-32-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-30-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-28-0x0000000005120000-0x0000000005132000-memory.dmp	healer
behavioral1/memory/4440-26-0x0000000005120000-0x0000000005132000-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\DisableIOAVProtection = "1"	dCf78qg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dCf78qg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dCf78qg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eHM65JK.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dCf78qg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dCf78qg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eHM65JK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eHM65JK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eHM65JK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eHM65JK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eHM65JK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dCf78qg.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/0x0007000000023ccf-57.dat	family_redline
behavioral1/memory/3152-59-0x00000000007B0000-0x00000000007E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
228	nnT18aQ27.exe
1668	dCf78qg.exe
4440	eHM65JK.exe
3152	fxx78qY.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"	dCf78qg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eHM65JK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eHM65JK.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\\\""	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.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\\\""	nnT18aQ27.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4976	4440	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	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nnT18aQ27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eHM65JK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fxx78qY.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1668	dCf78qg.exe
1668	dCf78qg.exe
4440	eHM65JK.exe
4440	eHM65JK.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	dCf78qg.exe
Token: SeDebugPrivilege	4440	eHM65JK.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 228	1052	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe	88
PID 1052 wrote to memory of 228	1052	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe	88
PID 1052 wrote to memory of 228	1052	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe	88
PID 228 wrote to memory of 1668	228	nnT18aQ27.exe	89
PID 228 wrote to memory of 1668	228	nnT18aQ27.exe	89
PID 228 wrote to memory of 4440	228	nnT18aQ27.exe	95
PID 228 wrote to memory of 4440	228	nnT18aQ27.exe	95
PID 228 wrote to memory of 4440	228	nnT18aQ27.exe	95
PID 1052 wrote to memory of 3152	1052	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe	99
PID 1052 wrote to memory of 3152	1052	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe	99
PID 1052 wrote to memory of 3152	1052	b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe	99

C:\Users\Admin\AppData\Local\Temp\b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe
"C:\Users\Admin\AppData\Local\Temp\b9cd90c53a6dd32d67a0211e002d5d4b43b8a8ec4741208417df72704fa55e80.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnT18aQ27.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnT18aQ27.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCf78qg.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCf78qg.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1668
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHM65JK.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHM65JK.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:4440
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 1104
      4⤵
      Program crash
      PID:4976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxx78qY.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxx78qY.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4440 -ip 4440
1⤵
PID:3524

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\fxx78qY.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnT18aQ27.exe

Filesize
355KB

MD5
078b9cf02e88faecbae111503ac36b05

SHA1
8542f3527ffa336887694c9cf0111ecc83530bef

SHA256
f103bae8b8c4c3a14289e35a362d347604038d6f438b4096f1d487368b97f97b

SHA512
07f694c811c24f61dc193719370231cfb707bddda048527e115e4140ee15eb0aac5b07afb78bef39eec6f13a00623a46a21ec44a17190f396a8a8823ac8064da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCf78qg.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHM65JK.exe

Filesize
295KB

MD5
dd0adf92524d842b17843e3a38769564

SHA1
4b34fbf5dade2193630f92053be9f0dcfe563d3c

SHA256
489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682

SHA512
7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

Download Submit
memory/1668-14-0x00007FFB5B733000-0x00007FFB5B735000-memory.dmp

Filesize
8KB

Download
memory/1668-15-0x0000000000D10000-0x0000000000D1A000-memory.dmp

Filesize
40KB

Download
memory/1668-16-0x00007FFB5B733000-0x00007FFB5B735000-memory.dmp

Filesize
8KB

Download
memory/3152-64-0x0000000005260000-0x00000000052AC000-memory.dmp

Filesize
304KB

Download
memory/3152-62-0x0000000005080000-0x0000000005092000-memory.dmp

Filesize
72KB

Download
memory/3152-61-0x0000000005150000-0x000000000525A000-memory.dmp

Filesize
1.0MB

Download
memory/3152-60-0x00000000055D0000-0x0000000005BE8000-memory.dmp

Filesize
6.1MB

Download
memory/3152-59-0x00000000007B0000-0x00000000007E2000-memory.dmp

Filesize
200KB

Download
memory/3152-63-0x00000000050E0000-0x000000000511C000-memory.dmp

Filesize
240KB

Download
memory/4440-42-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-28-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-44-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-48-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-40-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-38-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-36-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-32-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-30-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-46-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-26-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4440-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4440-50-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-52-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-34-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-25-0x0000000005120000-0x0000000005132000-memory.dmp

Filesize
72KB

Download
memory/4440-24-0x0000000005120000-0x0000000005138000-memory.dmp

Filesize
96KB

Download
memory/4440-23-0x0000000004B30000-0x00000000050D4000-memory.dmp

Filesize
5.6MB

Download
memory/4440-22-0x00000000024D0000-0x00000000024EA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads