healer | 224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4

General

Target

224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe
Size

538KB
MD5

6f3caf0e5e807f27e8ebb679c54a4afa
SHA1

6f272ec22abc3c995b0e6a0077f315136ec73aad
SHA256

224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4
SHA512

65de4ce23d8aa7c42bfb776989939b84139be390591e4a44dd657371d311b2a8b348585288fccf69d228b4a26e91f2bc7eab66a8eb0a41262d2257548082e09e
SSDEEP

12288:2Mroy90eJXnrVaa5tZoPJnCE7CGJiZWXkEYE3mb5vHmf:WyvVl5tZUVRyxU

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023cbf-12.dat	healer
behavioral1/memory/2104-15-0x0000000000F50000-0x0000000000F5A000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rzS9317.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rzS9317.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rzS9317.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rzS9317.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rzS9317.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	rzS9317.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/0x0007000000023cc0-19.dat	family_redline
behavioral1/memory/3160-21-0x00000000000F0000-0x0000000000122000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3180	vGx2119.exe
2104	rzS9317.exe
3160	tFl72kN.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"	rzS9317.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\\\""	224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.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\\\""	vGx2119.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vGx2119.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tFl72kN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2104	rzS9317.exe
2104	rzS9317.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	rzS9317.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 3180	1680	224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe	83
PID 1680 wrote to memory of 3180	1680	224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe	83
PID 1680 wrote to memory of 3180	1680	224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe	83
PID 3180 wrote to memory of 2104	3180	vGx2119.exe	84
PID 3180 wrote to memory of 2104	3180	vGx2119.exe	84
PID 3180 wrote to memory of 3160	3180	vGx2119.exe	92
PID 3180 wrote to memory of 3160	3180	vGx2119.exe	92
PID 3180 wrote to memory of 3160	3180	vGx2119.exe	92

C:\Users\Admin\AppData\Local\Temp\224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe
"C:\Users\Admin\AppData\Local\Temp\224ac05c02f3e62ea5bc99ba9b603921d1147c27c32901998f8dc9ef525919e4.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vGx2119.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vGx2119.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3180
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rzS9317.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rzS9317.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tFl72kN.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tFl72kN.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3160

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\vGx2119.exe

Filesize
202KB

MD5
032649b286f0f195878112e0eeee9d9a

SHA1
b16f286d1322142c71bb197d9dc754fe63e25d8f

SHA256
3acf1ec848521586f0e094125b89029618d579a7df06f097de2f6ddb3b449577

SHA512
80797b80844531e6ca38f4628cf44923d440ab84020465f20a2ccb1b7e7d9c157d27dc8d6f4dbdb4c290ed7c123780869145a8ecce5747a411cf45dafc29485a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rzS9317.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tFl72kN.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
memory/2104-14-0x00007FF9A47A3000-0x00007FF9A47A5000-memory.dmp

Filesize
8KB

Download
memory/2104-15-0x0000000000F50000-0x0000000000F5A000-memory.dmp

Filesize
40KB

Download
memory/2104-16-0x00007FF9A47A3000-0x00007FF9A47A5000-memory.dmp

Filesize
8KB

Download
memory/3160-21-0x00000000000F0000-0x0000000000122000-memory.dmp

Filesize
200KB

Download
memory/3160-22-0x0000000005050000-0x0000000005668000-memory.dmp

Filesize
6.1MB

Download
memory/3160-23-0x0000000004BD0000-0x0000000004CDA000-memory.dmp

Filesize
1.0MB

Download
memory/3160-24-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/3160-25-0x0000000004B60000-0x0000000004B9C000-memory.dmp

Filesize
240KB

Download
memory/3160-26-0x0000000004CE0000-0x0000000004D2C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads