healer | a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774

General

Target

a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe
Size

724KB
MD5

d5e3ef0239878ad4998b82bdbaf0cba7
SHA1

ce0f21a4221b01a66493acf7d713b220ead52166
SHA256

a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774
SHA512

efab1f2dd3ffeb869b07aaec405304d0881d1aea0e0c9b4d2b2897e7f4563d4c78a5882519727d09de8777a5f10f42b3a68d1bd4214aee14b75850c355d2acd8
SSDEEP

12288:mMryy90e+kngxZrIG82giAI6s+ZYbuZ1puCIXXATeW+PaNVry8OdwvC8ow9:oyF+kngxZZg1I6s+uKwVXXnmV57q8ow9

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000023c0b-19.dat	healer
behavioral1/memory/4280-22-0x0000000000680000-0x000000000068A000-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	izQ87DW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	izQ87DW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	izQ87DW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	izQ87DW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	izQ87DW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	izQ87DW.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/0x0008000000023c1d-25.dat	family_redline
behavioral1/memory/4728-27-0x0000000000820000-0x0000000000852000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4536	skz43Em.exe
820	svA36fn.exe
4280	izQ87DW.exe
4728	khM04Gp.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"	izQ87DW.exe

Adds Run key to start application 2 TTPs 3 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\\\""	a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.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\\\""	skz43Em.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	svA36fn.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	svA36fn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	khM04Gp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skz43Em.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4280	izQ87DW.exe
4280	izQ87DW.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4280	izQ87DW.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4536	4772	a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe	83
PID 4772 wrote to memory of 4536	4772	a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe	83
PID 4772 wrote to memory of 4536	4772	a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe	83
PID 4536 wrote to memory of 820	4536	skz43Em.exe	84
PID 4536 wrote to memory of 820	4536	skz43Em.exe	84
PID 4536 wrote to memory of 820	4536	skz43Em.exe	84
PID 820 wrote to memory of 4280	820	svA36fn.exe	85
PID 820 wrote to memory of 4280	820	svA36fn.exe	85
PID 820 wrote to memory of 4728	820	svA36fn.exe	94
PID 820 wrote to memory of 4728	820	svA36fn.exe	94
PID 820 wrote to memory of 4728	820	svA36fn.exe	94

C:\Users\Admin\AppData\Local\Temp\a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe
"C:\Users\Admin\AppData\Local\Temp\a13319c85d223d842188f75fa5f7431ac68b571da585cb78fab5ac63bfe75774.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\skz43Em.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\skz43Em.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\svA36fn.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\svA36fn.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:820
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\izQ87DW.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\izQ87DW.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4280
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\khM04Gp.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\khM04Gp.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4728

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\skz43Em.exe

Filesize
538KB

MD5
1de99c1a22e31549a194af7d2f21e213

SHA1
1409c511785d03187694cc83cc12780834863417

SHA256
4c80e228b043f81340c7aef27001c809091ded1fd3fd7ed5c1d15d53d81cda7b

SHA512
b328baca442a1427e824d83e44e9e8bdf2043e86fa66df99326c014daeceeab1f4077a9bd4bb7dd8a6841564704173bc9273d8d10e945729d8139352519c74b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\svA36fn.exe

Filesize
202KB

MD5
525b8348f1e4bb1b0eefbd6222e7c29c

SHA1
defa88162e34d04b2db12e337090bec8bca5693c

SHA256
952cbf423de7f686a1908055969b87c8d4523d515109c2c8af95267b46b58621

SHA512
5a9ae2c9b989977a84c376760c6e6f87eab7c8271969d76fec083a49fcc0ca1973b9a72eaba687a73e36fdfb1eb6fafff4629acaa933eedd721f7f5eeef191f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\izQ87DW.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\khM04Gp.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4280-22-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/4280-21-0x00007FFC0D803000-0x00007FFC0D805000-memory.dmp

Filesize
8KB

Download
memory/4728-27-0x0000000000820000-0x0000000000852000-memory.dmp

Filesize
200KB

Download
memory/4728-28-0x0000000005790000-0x0000000005DA8000-memory.dmp

Filesize
6.1MB

Download
memory/4728-29-0x0000000005300000-0x000000000540A000-memory.dmp

Filesize
1.0MB

Download
memory/4728-30-0x0000000005230000-0x0000000005242000-memory.dmp

Filesize
72KB

Download
memory/4728-31-0x0000000005290000-0x00000000052CC000-memory.dmp

Filesize
240KB

Download
memory/4728-32-0x0000000005410000-0x000000000545C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads