healer | 21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897

General

Target

21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe
Size

481KB
MD5

38d57e10b67fe30c6c3147eb71875a19
SHA1

55323f67468cb22f6aab48f77c836a6476e18352
SHA256

21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897
SHA512

fdef86d3cf86bc07ea7239cc5e2e96ce9be096251b04a7ec719aba16bd9dd00dd476c2fd5819ed6ed1e4e5ec5e1f2959b859930c1ec0520a30302633595647c4
SSDEEP

12288:XMr3y90ilbYaL5zD+uzb2Wrs6L6IvHW64B5sjDE:cypLx+umos6L6Ivx4B5sM

Score

10^/10

healer redline mihan discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mihan

C2

217.196.96.101:4132

Attributes

auth_value
9a6a8fdae02ed7caa0a49a6ddc6d4520

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/4136-15-0x0000000002340000-0x000000000235A000-memory.dmp	healer
behavioral1/memory/4136-18-0x0000000002530000-0x0000000002548000-memory.dmp	healer
behavioral1/memory/4136-48-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-46-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-44-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-42-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-40-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-38-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-36-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-34-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-32-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-30-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-28-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-26-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-24-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-22-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4136-21-0x0000000002530000-0x0000000002542000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a4163964.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a4163964.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a4163964.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a4163964.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a4163964.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a4163964.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
behavioral1/files/0x0007000000023c70-54.dat	family_redline
behavioral1/memory/2820-56-0x0000000000E70000-0x0000000000EA0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3304	v3869172.exe
4136	a4163964.exe
2820	b8065386.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a4163964.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a4163964.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\\\""	21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.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\\\""	v3869172.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	a4163964.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8065386.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3869172.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4136	a4163964.exe
4136	a4163964.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4136	a4163964.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 3304	1204	21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe	84
PID 1204 wrote to memory of 3304	1204	21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe	84
PID 1204 wrote to memory of 3304	1204	21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe	84
PID 3304 wrote to memory of 4136	3304	v3869172.exe	85
PID 3304 wrote to memory of 4136	3304	v3869172.exe	85
PID 3304 wrote to memory of 4136	3304	v3869172.exe	85
PID 3304 wrote to memory of 2820	3304	v3869172.exe	100
PID 3304 wrote to memory of 2820	3304	v3869172.exe	100
PID 3304 wrote to memory of 2820	3304	v3869172.exe	100

C:\Users\Admin\AppData\Local\Temp\21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe
"C:\Users\Admin\AppData\Local\Temp\21cf498ec77b55821528c40fd933f2ad3ee6a5dbf38c6ceb1392bc29f8258897.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3869172.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3869172.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3304
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4163964.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4163964.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4136
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8065386.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8065386.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3869172.exe

Filesize
309KB

MD5
aab53cf28ab9ab32d1956295438e27bd

SHA1
ff11cb8590d34a5da04ed177f6fc0d7e177db7e2

SHA256
2b3cc309a9cb44911f344c63e102db544bde190fdfd8e85e562f0bbf731d5721

SHA512
6655146683de64b4f35570b5f02682583f0c363002a05c442e4f7bd92fcd22a4cb6285a80df676fef36526181c3d21a3dfa8b5b823776033df50316e36dbe017

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4163964.exe

Filesize
180KB

MD5
7fc367ce2a58fc58fa5508db8e2187fa

SHA1
e5bdcec8774ee89ab6fe1c616bc8d7cda1355174

SHA256
bc4a197e5ad46f277e0e8a916df4e4f76a526ab0da5b4dfce6b241cb95888d45

SHA512
710363d8a307b2593c37e4be723589071a4684f769e86128c89450075e0ff1f0035c183a45781c2d42945156dba1efb953b83ef2c23d3a489d44e55ea260a66a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8065386.exe

Filesize
168KB

MD5
cb411cd1939d5455226749447643ec25

SHA1
7ff3a5b6dade2e246b96f66ba9f3aa5e5a5799de

SHA256
1db17cffb6312565ec2c004b35705b9af92f0484216cc1e9ca52156ede06e742

SHA512
2aa6207e0d763165bc34425ea585091302b2ce819874acef9e2f37f46cb1b067dfd6cb6a957a8e6f3f8dd79daa4a5af253828080d9b86125670d75d88feb0bac

Download Submit
memory/2820-62-0x00000000059E0000-0x0000000005A2C000-memory.dmp

Filesize
304KB

Download
memory/2820-61-0x00000000059A0000-0x00000000059DC000-memory.dmp

Filesize
240KB

Download
memory/2820-60-0x0000000005720000-0x0000000005732000-memory.dmp

Filesize
72KB

Download
memory/2820-59-0x0000000005AB0000-0x0000000005BBA000-memory.dmp

Filesize
1.0MB

Download
memory/2820-58-0x0000000005FC0000-0x00000000065D8000-memory.dmp

Filesize
6.1MB

Download
memory/2820-57-0x0000000003100000-0x0000000003106000-memory.dmp

Filesize
24KB

Download
memory/2820-56-0x0000000000E70000-0x0000000000EA0000-memory.dmp

Filesize
192KB

Download
memory/4136-34-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-21-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-42-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-40-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-38-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-36-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-46-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-32-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-30-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-28-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-26-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-24-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-22-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-44-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-49-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

Filesize
4KB

Download
memory/4136-50-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/4136-52-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/4136-48-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4136-20-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/4136-19-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/4136-18-0x0000000002530000-0x0000000002548000-memory.dmp

Filesize
96KB

Download
memory/4136-17-0x0000000004A30000-0x0000000004FD4000-memory.dmp

Filesize
5.6MB

Download
memory/4136-16-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/4136-15-0x0000000002340000-0x000000000235A000-memory.dmp

Filesize
104KB

Download
memory/4136-14-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads