healer | 54a724762de2b08068bc2bf0fc6c7404bb89bdf62f75cac32b4fb8687c10c747

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 08:13

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General

Target

b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe
Size

307KB
MD5

235ce5bf310f42d5677df1efbabbda6b
SHA1

2463a0dbf1fa683da0fe57a1d146ac7540be2979
SHA256

b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6
SHA512

cb5ca76c4ccee243caa978550fcbd611cbf00fae872e3289cc429fd834f49414aeca54db771b3b4c1089f644735b05f8611d2ea192f053c9f29a3ffa0edafb74
SSDEEP

6144:KUy+bnr+op0yN90QEm5F5OYc1u31g4TByeLlzKwFZYXeS46:gMr0y90Yxc1u31TTEeLlz5kl46

Score

10^/10

healer redline divan dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

divan

217.196.96.102:4132

Attributes

auth_value
b414986bebd7f5a3ec9aee0341b8e769

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral9/memory/2948-8-0x00000000026A0000-0x00000000026BA000-memory.dmp	healer
behavioral9/memory/2948-11-0x0000000004AC0000-0x0000000004AD8000-memory.dmp	healer
behavioral9/memory/2948-39-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-37-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-35-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-33-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-31-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-29-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-27-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-25-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-23-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-19-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-17-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-15-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-13-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer
behavioral9/memory/2948-12-0x0000000004AC0000-0x0000000004AD2000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper 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	k2328636.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k2328636.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k2328636.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k2328636.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k2328636.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k2328636.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
behavioral9/files/0x0007000000023421-45.dat	family_redline
behavioral9/memory/2656-48-0x0000000000830000-0x000000000085E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
2948	k2328636.exe
2656	l5187345.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	k2328636.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k2328636.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\\\""	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2948	k2328636.exe
2948	k2328636.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	k2328636.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2948	1664	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe	81
PID 1664 wrote to memory of 2948	1664	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe	81
PID 1664 wrote to memory of 2948	1664	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe	81
PID 1664 wrote to memory of 2656	1664	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe	88
PID 1664 wrote to memory of 2656	1664	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe	88
PID 1664 wrote to memory of 2656	1664	b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe	88

C:\Users\Admin\AppData\Local\Temp\b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe
"C:\Users\Admin\AppData\Local\Temp\b37eb33077f476edc8499adec33a790467d8728ec752146ca687a56407fc5af6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k2328636.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k2328636.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2948
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5187345.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5187345.exe
  2⤵
  - Executes dropped EXE
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k2328636.exe

Filesize
181KB

MD5
bf9d46f3deb99fa1b09f214604f3a3d5

SHA1
b8bf1cf1085c3787103bb897d59480fbfcc77547

SHA256
4fea3b92b8e5f59338f873faa5e3fd95310d0e1ab808fc74695e7f567158db13

SHA512
b3ed244151f862921f39909d99a41e28f80d6ffb98444a6c705d840ecebc052cde878407d1982dc128d07897c07a33c94e026c0c6d98684008a45f4cc0e206a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5187345.exe

Filesize
168KB

MD5
77ba6cbb806f1e63ae88e78c71c154f7

SHA1
a7f08710818047e27d4ea840ec85080089b8eaec

SHA256
3b6b52e616d73d50a35a3e06792302922bb603e491cea44d45c281463b0a92fd

SHA512
caf72b64cb0b47a30db6792e06be5e1db5b5af711a52a1053204d6aaabc6f43c09eac1a339f172b62f8055d866c02efc63628fa88e361c505eba5e8b2987db3a

Download Submit
memory/2656-56-0x0000000074400000-0x00000000744AB000-memory.dmp

Filesize
684KB

Download
memory/2656-55-0x0000000005260000-0x00000000052AC000-memory.dmp

Filesize
304KB

Download
memory/2656-54-0x00000000051D0000-0x000000000520C000-memory.dmp

Filesize
240KB

Download
memory/2656-53-0x0000000074400000-0x00000000744AB000-memory.dmp

Filesize
684KB

Download
memory/2656-52-0x00000000051B0000-0x00000000051C2000-memory.dmp

Filesize
72KB

Download
memory/2656-51-0x0000000005370000-0x000000000547A000-memory.dmp

Filesize
1.0MB

Download
memory/2656-50-0x0000000005880000-0x0000000005E98000-memory.dmp

Filesize
6.1MB

Download
memory/2656-49-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/2656-48-0x0000000000830000-0x000000000085E000-memory.dmp

Filesize
184KB

Download
memory/2656-47-0x0000000074400000-0x00000000744AB000-memory.dmp

Filesize
684KB

Download
memory/2948-35-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-43-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2948-23-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-21-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-19-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-17-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-15-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-13-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-12-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-40-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2948-41-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2948-25-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-27-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-29-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-31-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-33-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-37-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-39-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2948-11-0x0000000004AC0000-0x0000000004AD8000-memory.dmp

Filesize
96KB

Download
memory/2948-10-0x0000000004BB0000-0x0000000005154000-memory.dmp

Filesize
5.6MB

Download
memory/2948-9-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2948-8-0x00000000026A0000-0x00000000026BA000-memory.dmp

Filesize
104KB

Download
memory/2948-7-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download