healer | 5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2024, 23:05

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General

Target

5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe
Size

403KB
MD5

04d944c0b299f4a533e0076627897518
SHA1

0f4efe8f0765786b4c3356bb8cda94ead5402fae
SHA256

5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c
SHA512

e6c2157aa5cae436abe41bc1d55668da186b346b05b2e786eaaae1367aae225e6d9835103cc04db7c63145cfc9aa82a3418e8a86568436a06383add5880a0d17
SSDEEP

6144:KGy+bnr+Vp0yN90QE/ywCRfm5sogX4RZr7woCdC9wvNWBzfBTavC57hmqVqT:uMr1y90UJRfmRgX4RZ3MCDcCpXA

Score

10^/10

healer redline rumfa discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

rumfa

193.233.20.24:4123

Attributes

auth_value
749d02a6b4ef1fa2ad908e44ec2296dc

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023c96-5.dat	healer
behavioral1/memory/3968-8-0x0000000000160000-0x000000000016A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
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\DisableOnAccessProtection = "1"	buks36BZ05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	buks36BZ05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	buks36BZ05.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	buks36BZ05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	buks36BZ05.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	buks36BZ05.exe

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

RedLine payload 35 IoCs

resource	yara_rule
behavioral1/memory/1628-18-0x0000000004BF0000-0x0000000004C36000-memory.dmp	family_redline
behavioral1/memory/1628-20-0x00000000071F0000-0x0000000007234000-memory.dmp	family_redline
behavioral1/memory/1628-84-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-74-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-58-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-40-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-21-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-82-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-80-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-79-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-76-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-72-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-70-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-68-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-66-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-64-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-62-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-60-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-56-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-54-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-52-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-50-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-48-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-46-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-45-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-42-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-38-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-36-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-34-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-32-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-30-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-28-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-26-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-24-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline
behavioral1/memory/1628-22-0x00000000071F0000-0x000000000722E000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3968	buks36BZ05.exe
1628	caIu64HK52.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"	buks36BZ05.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\\\""	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caIu64HK52.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3968	buks36BZ05.exe
3968	buks36BZ05.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3968	buks36BZ05.exe
Token: SeDebugPrivilege	1628	caIu64HK52.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 3968	3560	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe	84
PID 3560 wrote to memory of 3968	3560	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe	84
PID 3560 wrote to memory of 1628	3560	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe	96
PID 3560 wrote to memory of 1628	3560	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe	96
PID 3560 wrote to memory of 1628	3560	5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe	96

C:\Users\Admin\AppData\Local\Temp\5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe
"C:\Users\Admin\AppData\Local\Temp\5f1a6822c4e74f628b558d60336f24653fafc637ab2eafc93ccd6990d04a251c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\buks36BZ05.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\buks36BZ05.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3968
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\caIu64HK52.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\caIu64HK52.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1628

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\buks36BZ05.exe

Filesize
15KB

MD5
5ba43b2a87acdb746c148852285b3838

SHA1
96be5bd1e230f52a2f8b594f7283c446a6c904c8

SHA256
4db821f2d5ed47d43631960fc9b664018e0ed15e057f8ab379b2c71a432c7ca9

SHA512
fe9bf9d86540d2e5a8b8e830d9b7319fe76db71e66d80b46d21dca605a554f1e4046df94ace4a455786341bf9a18a133f9130fe8fee77ebf446aecfa7ae3d7d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\caIu64HK52.exe

Filesize
377KB

MD5
8240ae7f59fb434977686a2040ea62e9

SHA1
c0fe02012d46dc9e12c388dd75cab32643708a18

SHA256
230a7452b0db2ecd65ee767d852990ff9cb94f65c485e3a68faa4bcb11b52605

SHA512
78c782edce8e3cdb57624f3be1bc69976691e1a1938b46214bde842b9cc02966be80872c7ae4093d8154c62fe9de20e2cfdf532feae5dfe647ba0d748777c96b

Download Submit
memory/1628-15-0x0000000002C20000-0x0000000002D20000-memory.dmp

Filesize
1024KB

Download
memory/1628-16-0x0000000002F80000-0x0000000002FCB000-memory.dmp

Filesize
300KB

Download
memory/1628-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1628-18-0x0000000004BF0000-0x0000000004C36000-memory.dmp

Filesize
280KB

Download
memory/1628-19-0x0000000007260000-0x0000000007804000-memory.dmp

Filesize
5.6MB

Download
memory/1628-20-0x00000000071F0000-0x0000000007234000-memory.dmp

Filesize
272KB

Download
memory/1628-84-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-74-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-58-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-40-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-21-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-82-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-80-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-79-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-76-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-72-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-70-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-68-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-66-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-64-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-62-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-60-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-56-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-54-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-52-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-50-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-48-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-46-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-45-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-42-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-38-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-36-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-34-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-32-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-30-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-28-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-26-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-24-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-22-0x00000000071F0000-0x000000000722E000-memory.dmp

Filesize
248KB

Download
memory/1628-927-0x0000000007950000-0x0000000007F68000-memory.dmp

Filesize
6.1MB

Download
memory/1628-928-0x0000000007FE0000-0x00000000080EA000-memory.dmp

Filesize
1.0MB

Download
memory/1628-929-0x0000000008120000-0x0000000008132000-memory.dmp

Filesize
72KB

Download
memory/1628-930-0x0000000008140000-0x000000000817C000-memory.dmp

Filesize
240KB

Download
memory/1628-931-0x0000000008290000-0x00000000082DC000-memory.dmp

Filesize
304KB

Download
memory/1628-932-0x0000000002C20000-0x0000000002D20000-memory.dmp

Filesize
1024KB

Download
memory/1628-933-0x0000000002F80000-0x0000000002FCB000-memory.dmp

Filesize
300KB

Download
memory/1628-935-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3968-7-0x00007FFAE2553000-0x00007FFAE2555000-memory.dmp

Filesize
8KB

Download
memory/3968-8-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/3968-9-0x00007FFAE2553000-0x00007FFAE2555000-memory.dmp

Filesize
8KB

Download