healer | a33c889b1929e9442a2a49de188e05a8ddbddcb32a7231b7c362f6833a45d720

Analysis

max time kernel
141s
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
10-05-2024 14:40

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General

Target

4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe
Size

307KB
MD5

a9938a8bf2e4c5465b0c1f8d94199778
SHA1

21a10d69514111047d789e5fabe472a9cb8b190f
SHA256

4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a
SHA512

5404f81f3dae9f4c5192c18448aa15f90ff15e5823d6f971cafb3670d301f620c0928ed02bec680fedb7213b631d7e72e1748e097a0c477fa73df7c430f320f2
SSDEEP

6144:KLy+bnr+lp0yN90QEv5F5OYc1u31g4TByxV7KJytDAUYss:dMrZy90Pxc1u31TTExV7KEt0UYss

Score

10^/10

healer redline dumud dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dumud

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

Processes:

resource	yara_rule
behavioral8/memory/4684-8-0x00000000048F0000-0x000000000490A000-memory.dmp	healer
behavioral8/memory/4684-11-0x0000000004F40000-0x0000000004F58000-memory.dmp	healer
behavioral8/memory/4684-12-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-39-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-37-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-35-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-33-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-31-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-29-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-27-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-25-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-23-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-21-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-19-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-17-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-15-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral8/memory/4684-13-0x0000000004F40000-0x0000000004F52000-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

Processes:

k6930139.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k6930139.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k6930139.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k6930139.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k6930139.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k6930139.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k6930139.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l9939101.exe	family_redline
behavioral8/memory/1076-46-0x0000000000150000-0x0000000000180000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

k6930139.exel9939101.exe

pid process

4684 k6930139.exe
1076 l9939101.exe

pid	process
4684	k6930139.exe
1076	l9939101.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

k6930139.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k6930139.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k6930139.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe

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\\\""	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

k6930139.exe

pid process

4684 k6930139.exe
4684 k6930139.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

k6930139.exe

description pid process

Token: SeDebugPrivilege 4684 k6930139.exe

pid	process
4684	k6930139.exe
4684	k6930139.exe

description	pid	process
Token: SeDebugPrivilege	4684	k6930139.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe

description	pid	process	target process
PID 3008 wrote to memory of 4684	3008	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe	k6930139.exe
PID 3008 wrote to memory of 4684	3008	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe	k6930139.exe
PID 3008 wrote to memory of 4684	3008	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe	k6930139.exe
PID 3008 wrote to memory of 1076	3008	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe	l9939101.exe
PID 3008 wrote to memory of 1076	3008	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe	l9939101.exe
PID 3008 wrote to memory of 1076	3008	4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe	l9939101.exe

C:\Users\Admin\AppData\Local\Temp\4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe
"C:\Users\Admin\AppData\Local\Temp\4daea23a41245608877f956cf37370e6533344758835349d21470fee22792f5a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3008

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k6930139.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k6930139.exe
2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l9939101.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l9939101.exe
2⤵
- Executes dropped EXE
PID:1076

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k6930139.exe
Filesize
180KB

MD5
83bf542e1973fa2acad4903024ddccfe

SHA1
364e5c9d74370c62541c918d9040f0c607d547b6

SHA256
eaafb2e0c7770c617b9349f47f8c7d76e3a523c80096c837ba61a904a6549a02

SHA512
0aaa961c9c675b7a6968ec12cb2d3ab1767689ac4631ac9409395ebd5f988b50985e11b1aab340ef09863f6827408de5749cb4461bc34a0be9d8803a6d835ecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l9939101.exe
Filesize
168KB

MD5
0b41b1ec0d807f087a7d78136bc00f26

SHA1
927204f69df79a69811f68dab540c341d915bc16

SHA256
273855da6b0874cc5cbbb1f51ea29f5dbf61d23f6dadd76ad3a0e46113c32d9b

SHA512
84f1e11f6db2804290d36cf9c39bac7ab2789812bd9c7a2386579407bafb397dd6d88fb79f8e1dbeafa1d0122e36b62268a2d01d6a2c0db5dbe6b50bf4c80252

Download Submit
memory/1076-55-0x0000000073E30000-0x0000000073EDB000-memory.dmp

Filesize
684KB

Download
memory/1076-54-0x0000000004B80000-0x0000000004BCC000-memory.dmp

Filesize
304KB

Download
memory/1076-53-0x0000000004B30000-0x0000000004B6C000-memory.dmp

Filesize
240KB

Download
memory/1076-52-0x0000000073E30000-0x0000000073EDB000-memory.dmp

Filesize
684KB

Download
memory/1076-51-0x0000000004AD0000-0x0000000004AE2000-memory.dmp

Filesize
72KB

Download
memory/1076-50-0x0000000004BE0000-0x0000000004CEA000-memory.dmp

Filesize
1.0MB

Download
memory/1076-49-0x00000000050F0000-0x0000000005708000-memory.dmp

Filesize
6.1MB

Download
memory/1076-48-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/1076-47-0x0000000073E30000-0x0000000073EDB000-memory.dmp

Filesize
684KB

Download
memory/1076-46-0x0000000000150000-0x0000000000180000-memory.dmp

Filesize
192KB

Download
memory/4684-37-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-29-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-25-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-23-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-21-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-19-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-17-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-15-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-13-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-40-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/4684-42-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/4684-27-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-31-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-33-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-35-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-39-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-12-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/4684-11-0x0000000004F40000-0x0000000004F58000-memory.dmp

Filesize
96KB

Download
memory/4684-10-0x0000000004950000-0x0000000004EF4000-memory.dmp

Filesize
5.6MB

Download
memory/4684-9-0x0000000073E80000-0x0000000074630000-memory.dmp

Filesize
7.7MB

Download
memory/4684-8-0x00000000048F0000-0x000000000490A000-memory.dmp

Filesize
104KB

Download
memory/4684-7-0x0000000073E8E000-0x0000000073E8F000-memory.dmp

Filesize
4KB

Download