healer | f66854431dc57070e060e776be18cba0992366fab22b71f8cf929b91c81a6c26

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 14:27

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General

Target

ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.exe
Size

389KB
MD5

3acf2e92c0625f14957b8bba85a5a133
SHA1

519645e11407ed3991cf6501314ea5d8cd4e7a64
SHA256

ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4
SHA512

e181da02b0e85eb7362d0528e5f2da52140b607e44c0f01bf5f772e80992c4fe396d1aaab512e1fb57f7cd54258488a8bd00386ab23b57b932c8d1259dc000b9
SSDEEP

6144:K+y+bnr+lp0yN90QEUO/bqnT1boVBqmroo3FgmF32GBzHPIRUMjRDDQdf:uMrty907zqT0BtUqoAIRUMjRwdf

Score

10^/10

healer redline nasa dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

nasa

77.91.68.68:19071

Attributes

auth_value
6da71218d8a9738ea3a9a78b5677589b

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral24/files/0x00080000000234ab-12.dat	healer
behavioral24/memory/3116-15-0x00000000006F0000-0x00000000006FA000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	p5335402.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	p5335402.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	p5335402.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	p5335402.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	p5335402.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	p5335402.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
behavioral24/files/0x00070000000234ac-18.dat	family_redline
behavioral24/memory/1920-20-0x0000000000DF0000-0x0000000000E20000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4368	z8044384.exe
3116	p5335402.exe
1920	r5275281.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"	p5335402.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\\\""	ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.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\\\""	z8044384.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3116	p5335402.exe
3116	p5335402.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	p5335402.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 4368	60	ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.exe	83
PID 60 wrote to memory of 4368	60	ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.exe	83
PID 60 wrote to memory of 4368	60	ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.exe	83
PID 4368 wrote to memory of 3116	4368	z8044384.exe	84
PID 4368 wrote to memory of 3116	4368	z8044384.exe	84
PID 4368 wrote to memory of 1920	4368	z8044384.exe	97
PID 4368 wrote to memory of 1920	4368	z8044384.exe	97
PID 4368 wrote to memory of 1920	4368	z8044384.exe	97

C:\Users\Admin\AppData\Local\Temp\ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.exe
"C:\Users\Admin\AppData\Local\Temp\ef11bf7b35a28054917643092a94f68ccdbc57cd68005df66e6d81a0d2d012d4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:60
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8044384.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8044384.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p5335402.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p5335402.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3116
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r5275281.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r5275281.exe
    3⤵
    - Executes dropped EXE
    PID:1920

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\z8044384.exe

Filesize
206KB

MD5
c8b9665121b73a485f79a2de1628661c

SHA1
bd0d783f55f37e8737343bb00b49ee8cf2fa0ba4

SHA256
40c4c723b4d0c89645ae299cab3530bc2ef9c57d9150449fe0c8c6aead004937

SHA512
9b5eed29972830c26142a8bbbe0dd7b850854dfaeb6c1d0b8e2597f874df5cea1737de4b52142527e6da33dc9f10275113c66b694faf153613929f28bd9d2862

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p5335402.exe

Filesize
14KB

MD5
7cd0e92a3344c81e96123ea28d0acb91

SHA1
71c25bf1f5eb3e3f23ed2bde5ae76c853bcc16c2

SHA256
f4c25888b594f3e771c892db06734e7a18adc87a4dc9e2ab0488322307844584

SHA512
4965602e6ea39d53b3044432ac9ca2a58b8d556ffa5295bc75b065d8db6df21e6ef6578cc7bc47f2a239b067ae6226fc2fa8dc9315ca5b16cad6e842fd6c9cc2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r5275281.exe

Filesize
174KB

MD5
88902ec73df2239eb1b5444e9faca32e

SHA1
708b48c5f20fb8929510495b969f77cf7f990061

SHA256
d68f96f7972e2a8c02ed03bf9cb5bdba900bb7dde262eeddc9a31cd30722f3bf

SHA512
b88c8e41ffd91482882d22569af4c86302e483ccc0cc0f1931080c126a1794a6e2183880a153107911c28526782faf1fb5f59efa4cf5d32eb1a9ec9125084fe6

Download Submit
memory/1920-20-0x0000000000DF0000-0x0000000000E20000-memory.dmp

Filesize
192KB

Download
memory/1920-21-0x0000000003090000-0x0000000003096000-memory.dmp

Filesize
24KB

Download
memory/1920-22-0x000000000B0E0000-0x000000000B6F8000-memory.dmp

Filesize
6.1MB

Download
memory/1920-23-0x000000000AC60000-0x000000000AD6A000-memory.dmp

Filesize
1.0MB

Download
memory/1920-24-0x000000000ABA0000-0x000000000ABB2000-memory.dmp

Filesize
72KB

Download
memory/1920-25-0x000000000AC00000-0x000000000AC3C000-memory.dmp

Filesize
240KB

Download
memory/1920-26-0x0000000003010000-0x000000000305C000-memory.dmp

Filesize
304KB

Download
memory/3116-14-0x00007FFCB84A3000-0x00007FFCB84A5000-memory.dmp

Filesize
8KB

Download
memory/3116-15-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download