healer | d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f

General

Target

d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe
Size

202KB
MD5

842bde13c0ac5720d5ff8c9b038f0adc
SHA1

3c13a795fd9cf9ebfb158d36ea206399bbbbe845
SHA256

d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f
SHA512

d21ee41836f7c32fbfd1cb50a0a05ce8ecad289b52d3ce47ec879b0809e05e2cfc31e7f77cb44e8c7e9ce95935d4b9f1b808c62085c038ccdb0ed597a917cbb1
SSDEEP

3072:Kly+bnr+O145GWp1icKAArDZz4N9GhbkrNEk6IfA7jkFF9j5dBKO3lY12:Kly+bnr+Dp0yN90QEufAHsF3M8

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 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000023c8c-6.dat	healer
behavioral1/memory/4428-7-0x0000000000FB0000-0x0000000000FBA000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	iyZ69vK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	iyZ69vK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	iyZ69vK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	iyZ69vK.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	iyZ69vK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	iyZ69vK.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/0x0007000000023c90-13.dat	family_redline
behavioral1/memory/5076-16-0x0000000000B80000-0x0000000000BB2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4428	iyZ69vK.exe
5076	kKT13Lu.exe

Windows security modification 2 TTPs 1 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"	iyZ69vK.exe

Adds Run key to start application 2 TTPs 1 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\\\""	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kKT13Lu.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4428	iyZ69vK.exe
4428	iyZ69vK.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	iyZ69vK.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 4428	4680	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe	83
PID 4680 wrote to memory of 4428	4680	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe	83
PID 4680 wrote to memory of 5076	4680	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe	95
PID 4680 wrote to memory of 5076	4680	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe	95
PID 4680 wrote to memory of 5076	4680	d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe	95

C:\Users\Admin\AppData\Local\Temp\d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe
"C:\Users\Admin\AppData\Local\Temp\d24791824f56871f013be1c7939bc9ac2039f2946b10dbfe515ecea8c9fbba7f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iyZ69vK.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iyZ69vK.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4428
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5076

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\iyZ69vK.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4428-7-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

Filesize
40KB

Download
memory/4428-8-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4428-9-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4428-11-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/5076-15-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/5076-16-0x0000000000B80000-0x0000000000BB2000-memory.dmp

Filesize
200KB

Download
memory/5076-17-0x0000000005AE0000-0x00000000060F8000-memory.dmp

Filesize
6.1MB

Download
memory/5076-18-0x0000000005660000-0x000000000576A000-memory.dmp

Filesize
1.0MB

Download
memory/5076-19-0x0000000005590000-0x00000000055A2000-memory.dmp

Filesize
72KB

Download
memory/5076-20-0x0000000005610000-0x000000000564C000-memory.dmp

Filesize
240KB

Download
memory/5076-21-0x0000000005770000-0x00000000057BC000-memory.dmp

Filesize
304KB

Download
memory/5076-22-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads