healer | 54a724762de2b08068bc2bf0fc6c7404bb89bdf62f75cac32b4fb8687c10c747

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 08:13

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General

Target

94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe
Size

307KB
MD5

24113d3ed2dc8ba8789b2874addb0750
SHA1

2901dff1dd1b5b619d48c8d04d22c185922e651b
SHA256

94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae
SHA512

409754870b1cf18269d84a798f69e11cb54540d12217fc0674524ef0e3d42ce38d199d45b7e1b7cb96a70fff87704561b6208bb58bc2628881b9a3d7422aecc7
SSDEEP

6144:Kxy+bnr++p0yN90QEA5F5OYc1u31g4TBylzQbR/JOF:HMriy90mxc1u31TTEtQb1JOF

Score

10^/10

healer redline dropper evasion infostealer persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral8/memory/3036-8-0x0000000002340000-0x000000000235A000-memory.dmp	healer
behavioral8/memory/3036-11-0x0000000002540000-0x0000000002558000-memory.dmp	healer
behavioral8/memory/3036-13-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-39-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-38-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-33-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-31-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-29-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-24-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-21-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-19-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-17-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-15-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-35-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-27-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-25-0x0000000002540000-0x0000000002552000-memory.dmp	healer
behavioral8/memory/3036-12-0x0000000002540000-0x0000000002552000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8916177.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k8916177.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8916177.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8916177.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8916177.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k8916177.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
behavioral8/files/0x0007000000023457-45.dat	family_redline
behavioral8/memory/3964-47-0x00000000005A0000-0x00000000005C8000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
3036	k8916177.exe
3964	l7529087.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	k8916177.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k8916177.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\\\""	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3268	sc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3036	k8916177.exe
3036	k8916177.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	k8916177.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 3036	4488	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe	86
PID 4488 wrote to memory of 3036	4488	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe	86
PID 4488 wrote to memory of 3036	4488	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe	86
PID 4488 wrote to memory of 3964	4488	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe	95
PID 4488 wrote to memory of 3964	4488	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe	95
PID 4488 wrote to memory of 3964	4488	94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe	95

C:\Users\Admin\AppData\Local\Temp\94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe
"C:\Users\Admin\AppData\Local\Temp\94cb7f4064a3c804b1fa19c3f5dc17ae361ced8153e20bd02842c65e16d1e3ae.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8916177.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8916177.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3036
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7529087.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7529087.exe
  2⤵
  - Executes dropped EXE
  PID:3964

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:3268

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8916177.exe

Filesize
175KB

MD5
a488df49a762065f75f41ee76c2215b4

SHA1
6ffd0bf006ca60251cf8b298891d317693885fe9

SHA256
cf8fd74e3f74fb3dafb881e7070287a7ad77296cbaab59a0b8968de37365c0d3

SHA512
5480aa133771076a21c984512f42a9020b012f7735960b05de7908f7bc13a8944bfcdaa4a28415ac6395e4f86e96c29251dbae9284917ce7e23eb623a79477f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7529087.exe

Filesize
136KB

MD5
ea7424a74eacf1d89358ccbde8484098

SHA1
d66cac767a565053916ba6604ca5272d2d0e17aa

SHA256
ed28be548a5ca5d75c2bf5ec47ba896d4f4e6916abee3cf04dca41d9fd87249a

SHA512
c50b3c66646a429830eb4c90fff4bacf764c9cc4ced25f1b854b3d77a1a27e9aebc6d1c28330062e4bc2adc0a603bc75a5fe4be6d7a64449a7664f8d2ffb70fc

Download Submit
memory/3036-17-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-10-0x00000000049C0000-0x0000000004F64000-memory.dmp

Filesize
5.6MB

Download
memory/3036-15-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-9-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/3036-13-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-39-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-40-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/3036-38-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-33-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-31-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-29-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-24-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-21-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-19-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-8-0x0000000002340000-0x000000000235A000-memory.dmp

Filesize
104KB

Download
memory/3036-11-0x0000000002540000-0x0000000002558000-memory.dmp

Filesize
96KB

Download
memory/3036-35-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-27-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-25-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-12-0x0000000002540000-0x0000000002552000-memory.dmp

Filesize
72KB

Download
memory/3036-42-0x00000000740D0000-0x0000000074880000-memory.dmp

Filesize
7.7MB

Download
memory/3036-7-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/3964-47-0x00000000005A0000-0x00000000005C8000-memory.dmp

Filesize
160KB

Download
memory/3964-46-0x0000000074080000-0x000000007412B000-memory.dmp

Filesize
684KB

Download
memory/3964-49-0x00000000072C0000-0x00000000072D2000-memory.dmp

Filesize
72KB

Download
memory/3964-50-0x0000000007430000-0x000000000753A000-memory.dmp

Filesize
1.0MB

Download
memory/3964-48-0x00000000078C0000-0x0000000007ED8000-memory.dmp

Filesize
6.1MB

Download
memory/3964-52-0x0000000007360000-0x000000000739C000-memory.dmp

Filesize
240KB

Download
memory/3964-51-0x0000000074080000-0x000000007412B000-memory.dmp

Filesize
684KB

Download
memory/3964-53-0x00000000073A0000-0x00000000073EC000-memory.dmp

Filesize
304KB

Download