healer | a33c889b1929e9442a2a49de188e05a8ddbddcb32a7231b7c362f6833a45d720

Analysis

max time kernel
141s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 14:40

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General

Target

7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe
Size

309KB
MD5

a8738037b8124a9ad50d2479fa535762
SHA1

3d7c656a7fe926fbf6c6a8d860b5524c0d1c1afb
SHA256

7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d
SHA512

1a8354d7e3941de59fdf8692c9473f1bd3b837c81e892909ce3641a5dc63fe52cc6854c11ebe26c57ec2c1eaf5add870ef3ef616b8b8d870a9676755c3668c23
SSDEEP

6144:KTy+bnr+Sp0yN90QEV5F5OYc1u31g4TByk8zYHwl0UV8Mj:ZMrSy90Nxc1u31TTEk8xj

Score

10^/10

healer redline mihan dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mihan

217.196.96.101:4132

Attributes

auth_value
9a6a8fdae02ed7caa0a49a6ddc6d4520

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral11/memory/4540-9-0x0000000002060000-0x000000000207A000-memory.dmp	healer
behavioral11/memory/4540-13-0x0000000004F50000-0x0000000004F68000-memory.dmp	healer
behavioral11/memory/4540-14-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-17-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-41-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-40-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-37-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-35-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-33-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-32-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-29-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-27-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-26-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-23-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-21-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-19-0x0000000004F50000-0x0000000004F62000-memory.dmp	healer
behavioral11/memory/4540-15-0x0000000004F50000-0x0000000004F62000-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"	a1153919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a1153919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a1153919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a1153919.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a1153919.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a1153919.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
behavioral11/files/0x000700000002327c-46.dat	family_redline
behavioral11/memory/892-48-0x00000000003F0000-0x0000000000420000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
4540	a1153919.exe
892	b1289024.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a1153919.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a1153919.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\\\""	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4540	a1153919.exe
4540	a1153919.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	a1153919.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 4540	1968	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe	91
PID 1968 wrote to memory of 4540	1968	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe	91
PID 1968 wrote to memory of 4540	1968	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe	91
PID 1968 wrote to memory of 892	1968	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe	97
PID 1968 wrote to memory of 892	1968	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe	97
PID 1968 wrote to memory of 892	1968	7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe	97

C:\Users\Admin\AppData\Local\Temp\7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe
"C:\Users\Admin\AppData\Local\Temp\7ba9a3982314fb26523fd5988b2b520e3a32094566503b3706d39e88d9a9b35d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a1153919.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a1153919.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1289024.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1289024.exe
  2⤵
  - Executes dropped EXE
  PID:892

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 --mojo-platform-channel-handle=4048 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:3440

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\a1153919.exe

Filesize
180KB

MD5
18f778a9b52d88d92914b7b5493f9be7

SHA1
2bfc97bf44009f7af0d404b74eb2bcf51d915425

SHA256
cbbd65829229e1e28699574396b0d766de752790fa3be8fb55c0d13124850df2

SHA512
9e0cc89c8006a59b02ba7c0bfcaf79740ff3a67960c5c7880a25f6864ed13e8e17a99d060882ae3bc97c355ff29b6329c919ea01f96993455bf3f9608d17effc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1289024.exe

Filesize
168KB

MD5
2fb93dc92a5fb3b79c54f4ec7330b388

SHA1
dcf09fcbba526ad524dcd2790826bd8f98e3563b

SHA256
9002c0b0a90279bcc29b390ecd6a2144ef9ceb3aa751dfeedfb11db0b3e2ac24

SHA512
0a2b59507a458dc6e0f0cedef6c39c5bc71fb96beaa0edb11ffbf7bc1eb92d25a711d0e6f121301dd6b645714a89e3324be4f88a15ec113c4710cc7628d4b3e8

Download Submit
memory/892-57-0x0000000074510000-0x00000000745BB000-memory.dmp

Filesize
684KB

Download
memory/892-56-0x0000000005090000-0x00000000050DC000-memory.dmp

Filesize
304KB

Download
memory/892-55-0x0000000004F10000-0x0000000004F4C000-memory.dmp

Filesize
240KB

Download
memory/892-54-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

Filesize
72KB

Download
memory/892-53-0x0000000074510000-0x00000000745BB000-memory.dmp

Filesize
684KB

Download
memory/892-52-0x0000000004F80000-0x000000000508A000-memory.dmp

Filesize
1.0MB

Download
memory/892-51-0x0000000005450000-0x0000000005A68000-memory.dmp

Filesize
6.1MB

Download
memory/892-50-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/892-49-0x0000000074510000-0x00000000745BB000-memory.dmp

Filesize
684KB

Download
memory/892-48-0x00000000003F0000-0x0000000000420000-memory.dmp

Filesize
192KB

Download
memory/4540-17-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-42-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/4540-33-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-32-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-29-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-27-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-26-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-23-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-21-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-19-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-15-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-35-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-44-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4540-37-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-40-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-41-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-14-0x0000000004F50000-0x0000000004F62000-memory.dmp

Filesize
72KB

Download
memory/4540-13-0x0000000004F50000-0x0000000004F68000-memory.dmp

Filesize
96KB

Download
memory/4540-12-0x0000000004960000-0x0000000004F04000-memory.dmp

Filesize
5.6MB

Download
memory/4540-11-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4540-10-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4540-9-0x0000000002060000-0x000000000207A000-memory.dmp

Filesize
104KB

Download
memory/4540-8-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4540-7-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download