healer | 19ef966a051fb80a7e9a4c226171784888184c9e12f75a8cc5d88da9ecab375f

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 15:11

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General

Target

23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe
Size

307KB
MD5

ca2ad17b64a10b961c2b14a7e47a8030
SHA1

a339ebb686b832fc87af3c287f67d8ef52e140e8
SHA256

23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94
SHA512

ad5e5a03336562d58b02f2556eb833fe3c39d2a7c47584379059cc5a584be1efc981cde4c84a350a4bb244502a73fb7bf0bee7b03b4ef002bb6ecc17d3caff04
SSDEEP

6144:Kqy+bnr+2p0yN90QEw5F5OYc1u31g4TByUo0b4jut7dJdVRbpDXtOBC:uMrCy90qxc1u31TTEt0cKt/tOA

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
behavioral7/memory/3240-8-0x0000000002480000-0x000000000249A000-memory.dmp	healer
behavioral7/memory/3240-11-0x0000000004980000-0x0000000004998000-memory.dmp	healer
behavioral7/memory/3240-21-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-39-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-37-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-35-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-33-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-31-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-29-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-27-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-25-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-23-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-19-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-17-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-15-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-12-0x0000000004980000-0x0000000004992000-memory.dmp	healer
behavioral7/memory/3240-13-0x0000000004980000-0x0000000004992000-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:

k3719439.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k3719439.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k3719439.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\l6925739.exe	family_redline
behavioral7/memory/4984-47-0x00000000008D0000-0x0000000000900000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

k3719439.exel6925739.exe

pid process

3240 k3719439.exe
4984 l6925739.exe

pid	process
3240	k3719439.exe
4984	l6925739.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

k3719439.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k3719439.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.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\\\""	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

k3719439.exe

pid process

3240 k3719439.exe
3240 k3719439.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

k3719439.exe

description pid process

Token: SeDebugPrivilege 3240 k3719439.exe

pid	process
3240	k3719439.exe
3240	k3719439.exe

description	pid	process
Token: SeDebugPrivilege	3240	k3719439.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe

description	pid	process	target process
PID 232 wrote to memory of 3240	232	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe	k3719439.exe
PID 232 wrote to memory of 3240	232	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe	k3719439.exe
PID 232 wrote to memory of 3240	232	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe	k3719439.exe
PID 232 wrote to memory of 4984	232	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe	l6925739.exe
PID 232 wrote to memory of 4984	232	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe	l6925739.exe
PID 232 wrote to memory of 4984	232	23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe	l6925739.exe

C:\Users\Admin\AppData\Local\Temp\23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe
"C:\Users\Admin\AppData\Local\Temp\23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:232
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k3719439.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k3719439.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3240
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l6925739.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l6925739.exe
  2⤵
  - Executes dropped EXE
  PID:4984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4028,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4200 /prefetch:8
1⤵
PID:392

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\k3719439.exe

Filesize
180KB

MD5
0e2a8712db80505e38c2816483598edf

SHA1
8ff6735fc1c080fb73825928f2bf9aa409b3758c

SHA256
a88a17437aa434a4c8df1657b4ac4c72d5d65247c160b7d2351101a2955ecd0c

SHA512
1076c1d65c2bd3be562d57ebe5a00af294242456a80a4149e3ae5ed1816a35abdab48cca90617ccb9839a14020391ed425cedba42f63c75b8488f45485108d91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l6925739.exe

Filesize
168KB

MD5
9eb1e1ed0fb5f198b60699f1d6f2c4d8

SHA1
0a93100586a585ffaceecff9c67cf28e703b67d2

SHA256
0fce1f4c2a87e2bdccfe4c3112f837d1fdeb91edb113f055787e29000a4a348b

SHA512
fe9679472176c5d0648355a230eb9b77a19d565b17cb957a14d96d60df338f039ddbbdc97c611776239e8b5b3e842c85e8ac6b50882feb59917a1bb12496140d

Download Submit
memory/3240-19-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-27-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-10-0x0000000004AB0000-0x0000000005054000-memory.dmp

Filesize
5.6MB

Download
memory/3240-11-0x0000000004980000-0x0000000004998000-memory.dmp

Filesize
96KB

Download
memory/3240-21-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-39-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-15-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-35-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-33-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-31-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-29-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-17-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-25-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-23-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-8-0x0000000002480000-0x000000000249A000-memory.dmp

Filesize
104KB

Download
memory/3240-9-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/3240-37-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-12-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-13-0x0000000004980000-0x0000000004992000-memory.dmp

Filesize
72KB

Download
memory/3240-40-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/3240-42-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/3240-7-0x00000000741BE000-0x00000000741BF000-memory.dmp

Filesize
4KB

Download
memory/4984-53-0x00000000053C0000-0x00000000053FC000-memory.dmp

Filesize
240KB

Download
memory/4984-47-0x00000000008D0000-0x0000000000900000-memory.dmp

Filesize
192KB

Download
memory/4984-48-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/4984-49-0x00000000059C0000-0x0000000005FD8000-memory.dmp

Filesize
6.1MB

Download
memory/4984-50-0x00000000054B0000-0x00000000055BA000-memory.dmp

Filesize
1.0MB

Download
memory/4984-51-0x00000000053A0000-0x00000000053B2000-memory.dmp

Filesize
72KB

Download
memory/4984-52-0x0000000074160000-0x000000007420B000-memory.dmp

Filesize
684KB

Download
memory/4984-46-0x0000000074160000-0x000000007420B000-memory.dmp

Filesize
684KB

Download
memory/4984-54-0x0000000005440000-0x000000000548C000-memory.dmp

Filesize
304KB

Download
memory/4984-55-0x0000000074160000-0x000000007420B000-memory.dmp

Filesize
684KB

Download