healer | f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179

General

Target

f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe
Size

483KB
MD5

82b537ebd53bf74703fa3915b494abf1
SHA1

1a3832e4ccbb56a54574bb6b0b84d88e25938e5e
SHA256

f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179
SHA512

a3af902197194f5ef383a2c73f3ffb127af36ecc65f10509d54c187e3004af8f3029f7843e79824412fc86ec25aae379a15f35cebcb0579a8c24f5b2b72f02b8
SSDEEP

12288:cMrAy90TFnYwGuExT1uGVMZuzcsAPI8C0b1e:syWlYkw1uDZuzpV

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/0x0008000000023cc0-12.dat	healer
behavioral1/memory/4752-15-0x0000000000D70000-0x0000000000D7A000-memory.dmp	healer
behavioral1/memory/2376-21-0x0000000002500000-0x000000000251A000-memory.dmp	healer
behavioral1/memory/2376-23-0x00000000025C0000-0x00000000025D8000-memory.dmp	healer
behavioral1/memory/2376-51-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-49-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-47-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-46-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-43-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-41-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-39-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-37-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-35-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-33-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-31-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-29-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-27-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-25-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/2376-24-0x00000000025C0000-0x00000000025D2000-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\Policies\Microsoft\Windows Defender\Real-Time Protection	djo74sE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	djo74sE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eHD57ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eHD57ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eHD57ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eHD57ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eHD57ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	djo74sE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	djo74sE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	djo74sE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	djo74sE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eHD57ea.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/0x0007000000023cbe-57.dat	family_redline
behavioral1/memory/1592-58-0x00000000000F0000-0x0000000000122000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3052	nwn71yF10.exe
4752	djo74sE.exe
2376	eHD57ea.exe
1592	fDr27Jq.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"	djo74sE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eHD57ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eHD57ea.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\\\""	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.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\\\""	nwn71yF10.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2644	2376	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	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwn71yF10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eHD57ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fDr27Jq.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4752	djo74sE.exe
4752	djo74sE.exe
2376	eHD57ea.exe
2376	eHD57ea.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	djo74sE.exe
Token: SeDebugPrivilege	2376	eHD57ea.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 3052	4548	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe	83
PID 4548 wrote to memory of 3052	4548	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe	83
PID 4548 wrote to memory of 3052	4548	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe	83
PID 3052 wrote to memory of 4752	3052	nwn71yF10.exe	84
PID 3052 wrote to memory of 4752	3052	nwn71yF10.exe	84
PID 3052 wrote to memory of 2376	3052	nwn71yF10.exe	96
PID 3052 wrote to memory of 2376	3052	nwn71yF10.exe	96
PID 3052 wrote to memory of 2376	3052	nwn71yF10.exe	96
PID 4548 wrote to memory of 1592	4548	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe	101
PID 4548 wrote to memory of 1592	4548	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe	101
PID 4548 wrote to memory of 1592	4548	f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe	101

C:\Users\Admin\AppData\Local\Temp\f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe
"C:\Users\Admin\AppData\Local\Temp\f76c75b32fc339e39bdf09e5a38cb4657ccf8d0c3051bda3cc4c487654540179.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwn71yF10.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwn71yF10.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djo74sE.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djo74sE.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4752
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHD57ea.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHD57ea.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:2376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 1084
      4⤵
      Program crash
      PID:2644
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fDr27Jq.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fDr27Jq.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2376 -ip 2376
1⤵
PID:2092

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\fDr27Jq.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwn71yF10.exe

Filesize
338KB

MD5
eb7a1f187caf1056b25d23015cb33f8b

SHA1
c1384204232d247917402c34dad100bc2931a415

SHA256
edf31595eebd17f83d9db76060a6593b1636ac953eaf15427a779544a830a492

SHA512
f9f0dc1f8daebc14297eebbe4ba155619bed783da6c604881725e83211a6da839133efe1ab426d6e64524b8a8cb1784fa01153e147e84774c1abd036efbb4717

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djo74sE.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHD57ea.exe

Filesize
258KB

MD5
faeaf9bf8c211ef512e5d63a6199508e

SHA1
5a33aa871548e8ee95e348f285d5d0927a114a37

SHA256
5401a7b5eb1d3aacb7395f4ba8c3feb7ae28cc16b446d838337da8024f01c134

SHA512
e1c5beaa74e245f258fe7f42afb15391b1ff99b04c93e26ba527bd619d2fa062cc4b9564f23f515c4eefd3662702d6bcc0251b433693ba0f4ba291be427160d3

Download Submit
memory/1592-63-0x0000000004BA0000-0x0000000004BEC000-memory.dmp

Filesize
304KB

Download
memory/1592-62-0x0000000004A20000-0x0000000004A5C000-memory.dmp

Filesize
240KB

Download
memory/1592-61-0x00000000049C0000-0x00000000049D2000-memory.dmp

Filesize
72KB

Download
memory/1592-60-0x0000000004A90000-0x0000000004B9A000-memory.dmp

Filesize
1.0MB

Download
memory/1592-59-0x0000000004F10000-0x0000000005528000-memory.dmp

Filesize
6.1MB

Download
memory/1592-58-0x00000000000F0000-0x0000000000122000-memory.dmp

Filesize
200KB

Download
memory/2376-35-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-25-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-43-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-41-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-39-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-37-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-47-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-33-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-31-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-29-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-27-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-46-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-24-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-52-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/2376-54-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/2376-49-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-51-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/2376-23-0x00000000025C0000-0x00000000025D8000-memory.dmp

Filesize
96KB

Download
memory/2376-22-0x0000000004C90000-0x0000000005234000-memory.dmp

Filesize
5.6MB

Download
memory/2376-21-0x0000000002500000-0x000000000251A000-memory.dmp

Filesize
104KB

Download
memory/4752-14-0x00007FFFF2E13000-0x00007FFFF2E15000-memory.dmp

Filesize
8KB

Download
memory/4752-15-0x0000000000D70000-0x0000000000D7A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads