healer | b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef

General

Target

b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe
Size

723KB
MD5

b5a5bd864a34b00e3f03fecb2697552b
SHA1

8180c1f02b9f9b6bf77471d3831b6b31fcb62f42
SHA256

b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef
SHA512

a4a444c697b3e534deb7ea6ce90a25cb48ce372f8db345381fa1a64ebe0e29849bd8ddb6ea579cefac9cdefad32486f51de39071c7e46e212f3eab22510ba3e9
SSDEEP

12288:BMrWy908s/VrdEwMgIEQP3A5I3zkAMXXOaTBrdEYA0pNqbar2SKD54iT:7yS/FdEdwIDkA8XhpdEYAwNAoJiT

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/0x0032000000023b85-19.dat	healer
behavioral1/memory/1244-22-0x0000000000AE0000-0x0000000000AEA000-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	fzu44Wp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	fzu44Wp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	fzu44Wp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	fzu44Wp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	fzu44Wp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	fzu44Wp.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/0x0031000000023b86-26.dat	family_redline
behavioral1/memory/2440-28-0x00000000007F0000-0x0000000000822000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3056	sDN53aI.exe
3752	sWq63wK.exe
1244	fzu44Wp.exe
2440	hFh67Hj.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"	fzu44Wp.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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	sWq63wK.exe
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\\\""	b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.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\\\""	sDN53aI.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	b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sDN53aI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sWq63wK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hFh67Hj.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1244	fzu44Wp.exe
1244	fzu44Wp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	fzu44Wp.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3056	1492	b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe	84
PID 1492 wrote to memory of 3056	1492	b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe	84
PID 1492 wrote to memory of 3056	1492	b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe	84
PID 3056 wrote to memory of 3752	3056	sDN53aI.exe	85
PID 3056 wrote to memory of 3752	3056	sDN53aI.exe	85
PID 3056 wrote to memory of 3752	3056	sDN53aI.exe	85
PID 3752 wrote to memory of 1244	3752	sWq63wK.exe	87
PID 3752 wrote to memory of 1244	3752	sWq63wK.exe	87
PID 3752 wrote to memory of 2440	3752	sWq63wK.exe	94
PID 3752 wrote to memory of 2440	3752	sWq63wK.exe	94
PID 3752 wrote to memory of 2440	3752	sWq63wK.exe	94

C:\Users\Admin\AppData\Local\Temp\b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe
"C:\Users\Admin\AppData\Local\Temp\b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sDN53aI.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sDN53aI.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sWq63wK.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sWq63wK.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3752
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fzu44Wp.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fzu44Wp.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1244
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hFh67Hj.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hFh67Hj.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2440

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sDN53aI.exe

Filesize
537KB

MD5
24cdcc486d555dd4119920d27420395c

SHA1
2420933325ae37d71496fc6fe943267513e8bcbd

SHA256
ecff47ddf70bd73c1199ab7c9f08060e36e1fced6c1568457be287f2b471d0e5

SHA512
cb1070581eaa8b84a98bd9db961f3d84feb3e45cc244955d6539768ae2220eb8452507cffed20920e8aaf193e81ec6284fa58357e77b37edcdb419c8df4b990d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sWq63wK.exe

Filesize
202KB

MD5
5c17583ddedf2bfec0dc7cef0cbe902f

SHA1
cd90eb409807e2e1030c1f0197c9b277f0a81852

SHA256
0c9e7d8cb20d9f9565ad3905bcc1b4bcce90f3081a3276ce358b9d744784705a

SHA512
c6d35effca254123589b9df3890aa86b31a84d9387a09c1787a67a87fd11978beda196d6cb48f62b4dc6be6f8d09253aeb151f89537709b8970797887eeb614f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fzu44Wp.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hFh67Hj.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1244-21-0x00007FFEFA6F3000-0x00007FFEFA6F5000-memory.dmp

Filesize
8KB

Download
memory/1244-23-0x00007FFEFA6F3000-0x00007FFEFA6F5000-memory.dmp

Filesize
8KB

Download
memory/1244-22-0x0000000000AE0000-0x0000000000AEA000-memory.dmp

Filesize
40KB

Download
memory/2440-28-0x00000000007F0000-0x0000000000822000-memory.dmp

Filesize
200KB

Download
memory/2440-29-0x0000000005760000-0x0000000005D78000-memory.dmp

Filesize
6.1MB

Download
memory/2440-30-0x00000000052D0000-0x00000000053DA000-memory.dmp

Filesize
1.0MB

Download
memory/2440-31-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/2440-32-0x00000000053E0000-0x000000000541C000-memory.dmp

Filesize
240KB

Download
memory/2440-33-0x0000000005220000-0x000000000526C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads