healer | 9f4cee8892544b3b9090f5a7288e0a353e34bada2f75253f19bfebaefa1f0f53

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 10:02

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General

Target

06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exe
Size

661KB
MD5

cdca3895f27cdc05ca4e3805722b13a8
SHA1

908e4fd065b858e327ed442c9db06f432c5b7522
SHA256

06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3
SHA512

b36b19510dae31d34dd68c965c94da203ca1b03234aa01b9975b05f9f987552039ee7d52e867861e5bd9267e0b85442bef26fb8e6a4981e6c903f3ad936a3bbd
SSDEEP

12288:eMrCy90WnmXRO3Rrm7fhF/4ZwsSdqSZEiAjyjElCydS4U:Qyfb3ELf4ZStGiAjt7U

Score

10^/10

healer redline mrak dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mrak

77.91.124.82:19071

Attributes

auth_value
7d9a335ab5dfd42d374867c96fe25302

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4540-21-0x0000000000400000-0x000000000040A000-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

Processes:

AppLaunch.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	AppLaunch.exe
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

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3404-25-0x00000000000B0000-0x00000000000E0000-memory.dmp	family_redline
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5252901.exe	family_redline

Executes dropped EXE 4 IoCs

Processes:

x5175657.exex3685577.exeg4661559.exei5252901.exe

pid process

1236 x5175657.exe
4880 x3685577.exe
4304 g4661559.exe
3404 i5252901.exe

pid	process
1236	x5175657.exe
4880	x3685577.exe
4304	g4661559.exe
3404	i5252901.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exex5175657.exex3685577.exe

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\\\""	06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.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\\\""	x5175657.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\\\""	x3685577.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

g4661559.exe

description pid process target process

PID 4304 set thread context of 4540 4304 g4661559.exe AppLaunch.exe
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

4136 sc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3008 4304 WerFault.exe g4661559.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AppLaunch.exe

pid process

4540 AppLaunch.exe
4540 AppLaunch.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AppLaunch.exe

description pid process

Token: SeDebugPrivilege 4540 AppLaunch.exe

description	pid	process	target process
PID 4304 set thread context of 4540	4304	g4661559.exe	AppLaunch.exe

pid	process
4136	sc.exe

pid	pid_target	process	target process
3008	4304	WerFault.exe	g4661559.exe

pid	process
4540	AppLaunch.exe
4540	AppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	4540	AppLaunch.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exex5175657.exex3685577.exeg4661559.exe

description	pid	process	target process
PID 2540 wrote to memory of 1236	2540	06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exe	x5175657.exe
PID 2540 wrote to memory of 1236	2540	06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exe	x5175657.exe
PID 2540 wrote to memory of 1236	2540	06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exe	x5175657.exe
PID 1236 wrote to memory of 4880	1236	x5175657.exe	x3685577.exe
PID 1236 wrote to memory of 4880	1236	x5175657.exe	x3685577.exe
PID 1236 wrote to memory of 4880	1236	x5175657.exe	x3685577.exe
PID 4880 wrote to memory of 4304	4880	x3685577.exe	g4661559.exe
PID 4880 wrote to memory of 4304	4880	x3685577.exe	g4661559.exe
PID 4880 wrote to memory of 4304	4880	x3685577.exe	g4661559.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4304 wrote to memory of 4540	4304	g4661559.exe	AppLaunch.exe
PID 4880 wrote to memory of 3404	4880	x3685577.exe	i5252901.exe
PID 4880 wrote to memory of 3404	4880	x3685577.exe	i5252901.exe
PID 4880 wrote to memory of 3404	4880	x3685577.exe	i5252901.exe

C:\Users\Admin\AppData\Local\Temp\06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exe
"C:\Users\Admin\AppData\Local\Temp\06f1b755da951fcf461e1c619e531208a68c60a692e3a2869f7207254aaea1d3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5175657.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5175657.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3685577.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3685577.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4880
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4661559.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4661559.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4304
    - - 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
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4540
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 580
        5⤵
        Program crash
        
        PID:3008
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5252901.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5252901.exe
      4⤵
      Executes dropped EXE
      PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4304 -ip 4304
1⤵
PID:4640

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5175657.exe

Filesize
439KB

MD5
82c2dcd3e890b891daf81c3600d6da0e

SHA1
671d44987089d06443e56b08c54a6c8ca752c3a7

SHA256
aba797f86aa10cbe1ea057a0cf68b568968f71b740e5d14bb022807182e8c856

SHA512
c40fc5b7dff5ec28f23589e866c2542ad71d5e8e4ac050fbb0c2237b253f6771260cdf2d0d1d9933237dc1cceb0a0349ce36bedf0d7be7e1eed9546bbdf582f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3685577.exe

Filesize
274KB

MD5
d9a5924fb00359f603b947d166ea8fce

SHA1
468c20527a1412fac4730ddbbf248c6f08a6c6c6

SHA256
9b52d62baec33690e34eea446c7f7165e72e1ea506e41ff769e343c954b13903

SHA512
a395a2cea38a5def99726009dac37ba982bca9f9a5c4c1c7b4143f3cb04f3dd4c2807cb670da42930b8bfd3d76088de1ee009bee73584ecb994827537a8ebe74

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4661559.exe

Filesize
135KB

MD5
bcf2bb2e46cd8488a0a38269889f2cd2

SHA1
5c3c8ae0c0712ffef23712b0946911fbc60078ac

SHA256
a097cc474cd30f8aac5902e038ceda538afeec7316c9e1ea90b026922883e076

SHA512
d4a92bb730dac146ba9008aaa6d1f96bc820abe78b3b802f6d011015596f8efc8c8aa8400b5413636c1ef3b98ba7fd9f5638ea4ce59357f48ff024262f2cdc47

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i5252901.exe

Filesize
176KB

MD5
3b263541ddf6b8748982234900908d2c

SHA1
1635c81931db27220acd3daf3c495e85ae2e8557

SHA256
285e4ba4ca45f302191b3a69b35bc740db4243acfcfac022b58e9f8b03a094d6

SHA512
d7a82beb2ff1607bd3efa69faae45a35a01179b3eb26b9e31ad1cc99e679be284e0a97e127a71f4fe90c764c0fdd3c70bb5c37d221df738f27713ad3846a46ce

Download Submit
memory/3404-25-0x00000000000B0000-0x00000000000E0000-memory.dmp

Filesize
192KB

Download
memory/3404-26-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/3404-27-0x0000000005050000-0x0000000005668000-memory.dmp

Filesize
6.1MB

Download
memory/3404-29-0x0000000004A30000-0x0000000004A42000-memory.dmp

Filesize
72KB

Download
memory/3404-28-0x0000000004B40000-0x0000000004C4A000-memory.dmp

Filesize
1.0MB

Download
memory/3404-30-0x0000000004A90000-0x0000000004ACC000-memory.dmp

Filesize
240KB

Download
memory/3404-31-0x0000000004AE0000-0x0000000004B2C000-memory.dmp

Filesize
304KB

Download
memory/4540-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download