healer | c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e

General

Target

c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe
Size

706KB
MD5

ab7c0a364c6a9696d4c773b239632261
SHA1

00c2538c5a987d078aeac467a8e4bd01017c2d0a
SHA256

c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e
SHA512

d5c7662d928bef7445bef0418e653bc3be1b4ef551d17ed34031b9e7a6be39e4f457e2829778403a80c80f56878644ba33cf37c21422405114e33b4c60bb06b2
SSDEEP

12288:/MrIy90Lh2n1/7XAbu1gOprUqPKKWx5dS1+jrF9gx5DUnbSDqYOgxjTasYINLG:Hyrn1/7wbHOBzydjSYjHgx5DUnGzTx3S

Score

10^/10

healer redline jokes discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

jokes

C2

77.91.124.82:19071

Attributes

auth_value
fb7b36b70ae30fb2b72f789037350cdb

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral1/memory/4664-21-0x0000000000400000-0x000000000040A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper 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\DisableScanOnRealtimeEnable = "1"	AppLaunch.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	AppLaunch.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	AppLaunch.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/0x00070000000234d1-23.dat	family_redline
behavioral1/memory/3276-25-0x00000000004F0000-0x0000000000520000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
1376	x0445814.exe
3340	x3674997.exe
1552	g4993876.exe
3276	i2665851.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x0445814.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\\\""	x3674997.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\\\""	c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 4664	1552	g4993876.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1624	1552	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 6 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	i2665851.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x0445814.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x3674997.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g4993876.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4664	AppLaunch.exe
4664	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	AppLaunch.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1376	2172	c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe	84
PID 2172 wrote to memory of 1376	2172	c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe	84
PID 2172 wrote to memory of 1376	2172	c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe	84
PID 1376 wrote to memory of 3340	1376	x0445814.exe	85
PID 1376 wrote to memory of 3340	1376	x0445814.exe	85
PID 1376 wrote to memory of 3340	1376	x0445814.exe	85
PID 3340 wrote to memory of 1552	3340	x3674997.exe	87
PID 3340 wrote to memory of 1552	3340	x3674997.exe	87
PID 3340 wrote to memory of 1552	3340	x3674997.exe	87
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 1552 wrote to memory of 4664	1552	g4993876.exe	88
PID 3340 wrote to memory of 3276	3340	x3674997.exe	93
PID 3340 wrote to memory of 3276	3340	x3674997.exe	93
PID 3340 wrote to memory of 3276	3340	x3674997.exe	93

C:\Users\Admin\AppData\Local\Temp\c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe
"C:\Users\Admin\AppData\Local\Temp\c52d2523c4d8fa5e1812fa3a324c2c47c1309830b0de0bfa27c81d12735f1f5e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0445814.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0445814.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1376
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3674997.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3674997.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3340
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4993876.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4993876.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1552
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        5⤵
        Modifies Windows Defender Real-time Protection settings
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4664
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 556
        5⤵
        Program crash
        
        PID:1624
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2665851.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2665851.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1552 -ip 1552
1⤵
PID:1356

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

1

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\x0445814.exe

Filesize
461KB

MD5
c883f1794c26a640e7783945cf9a70dc

SHA1
14947c49dec62bf7327686c4ac087575c8ef4c9c

SHA256
69c0c74540a2570612b2eada0206ffc1fcd15497f442af1052a23089784116e9

SHA512
7a0561d41973670cb5757398f13f9b43a67b580e6f5aabe91983dc19810b3b71f893e5e15f92ad0db2b97cde65ff5646ac89ecf11a542be7a0f913148bc82fd1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3674997.exe

Filesize
295KB

MD5
34fba452172a3c3a08014ddc3484c3de

SHA1
9943da1b5187826a544098f316b7fb00c841a27e

SHA256
9ba1e4660ee0dda0b84c2077255ad7a8c89ef86a7d21c0266aa7b687573cef0c

SHA512
b213f0a26ca89ddd24561a03c0d6666d091ba4b7aa2f6d949abba4273f396c3a3c9724a7f4e9a55ee0eb3a6a961aaa20af6df5b36caecb27f0321a898f3637b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4993876.exe

Filesize
190KB

MD5
0c669a789359ac3d23e87bc5b5d59f0d

SHA1
37e376c8dfae4aaa9f0d6d88ff761b7cde905a27

SHA256
6c8544ba231d33218273548e6f1765fdd9308e6e5c44ef21b8d908f204e9a416

SHA512
1698424393e6c1af17f5bc9e2cbc5ccec82e5a9ed1118a51527a8f2b662e8d7d356e0e0125846c5c0464df72ed02c73d5556d9d859b7d9812f2ebe420e89d8c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2665851.exe

Filesize
174KB

MD5
4635233db0644c10d38844281931bd18

SHA1
d3f57625536422c96564abc7337f133c81eee7ce

SHA256
ddfb26ceb548d7fe801c0778ec21dd467202539586d69d1436d4b34e119d4cae

SHA512
d2fd45fef06b74a5d070c9925197bbd236ea4a09fff2f1347a09a3a572a398c8429c9d7fe2740b5252a429f6dfd2facf8c5db1c4bda59da928fe06e4d4bdb1f8

Download Submit
memory/3276-25-0x00000000004F0000-0x0000000000520000-memory.dmp

Filesize
192KB

Download
memory/3276-26-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/3276-27-0x00000000054F0000-0x0000000005B08000-memory.dmp

Filesize
6.1MB

Download
memory/3276-28-0x0000000004FE0000-0x00000000050EA000-memory.dmp

Filesize
1.0MB

Download
memory/3276-29-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/3276-30-0x0000000004F10000-0x0000000004F4C000-memory.dmp

Filesize
240KB

Download
memory/3276-31-0x0000000004F50000-0x0000000004F9C000-memory.dmp

Filesize
304KB

Download
memory/4664-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads