healer | e6564b70fa3d9a9e989ad7c1bb2b027f2e5447273c0bb64f84c7940828ecb0ed

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 13:21

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General

Target

61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.exe
Size

1.6MB
MD5

2f1c41adf7b880f2e9f9b1b0286a143b
SHA1

606acc7a67ec4f0241b3850a1b0ce2241774c9de
SHA256

61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b
SHA512

c1b593f1e6600aa2124262f90c0a1ad77f46dc1e87ce836c1d9bf2160352d974f5cbff78100bc7c380071b3de8d0ef3cd653423efa26e73c005beb59a6fa0596
SSDEEP

24576:gye1lDVXnpy0e+JaxMbVa2H2t2BCl1EDD9uh4iVtjGE0Nx:nEneZxoDH42BClumNVL0N

Score

10^/10

healer redline masha dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

masha

77.91.68.48:19071

Attributes

auth_value
55b9b39a0dae383196a4b8d79e5bb805

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral9/memory/4304-28-0x0000000000540000-0x000000000054A000-memory.dmp	healer
behavioral9/files/0x000700000002348c-34.dat	healer
behavioral9/memory/1900-37-0x0000000000600000-0x000000000060A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b6286603.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8518906.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b6286603.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b6286603.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b6286603.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8518906.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b6286603.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b6286603.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8518906.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8518906.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8518906.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8518906.exe

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral9/memory/4360-43-0x0000000001F50000-0x0000000001F80000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
3804	v7479313.exe
5100	v7958004.exe
4848	v2151231.exe
4304	a8518906.exe
1900	b6286603.exe
4360	c8826700.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a8518906.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8518906.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	b6286603.exe

Adds Run key to start application 2 TTPs 4 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\\\""	61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.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\\\""	v7479313.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\\\""	v7958004.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	v2151231.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3688	sc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4304	a8518906.exe
4304	a8518906.exe
1900	b6286603.exe
1900	b6286603.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	a8518906.exe
Token: SeDebugPrivilege	1900	b6286603.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 3804	4932	61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.exe	83
PID 4932 wrote to memory of 3804	4932	61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.exe	83
PID 4932 wrote to memory of 3804	4932	61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.exe	83
PID 3804 wrote to memory of 5100	3804	v7479313.exe	84
PID 3804 wrote to memory of 5100	3804	v7479313.exe	84
PID 3804 wrote to memory of 5100	3804	v7479313.exe	84
PID 5100 wrote to memory of 4848	5100	v7958004.exe	87
PID 5100 wrote to memory of 4848	5100	v7958004.exe	87
PID 5100 wrote to memory of 4848	5100	v7958004.exe	87
PID 4848 wrote to memory of 4304	4848	v2151231.exe	88
PID 4848 wrote to memory of 4304	4848	v2151231.exe	88
PID 4848 wrote to memory of 4304	4848	v2151231.exe	88
PID 4848 wrote to memory of 1900	4848	v2151231.exe	98
PID 4848 wrote to memory of 1900	4848	v2151231.exe	98
PID 5100 wrote to memory of 4360	5100	v7958004.exe	99
PID 5100 wrote to memory of 4360	5100	v7958004.exe	99
PID 5100 wrote to memory of 4360	5100	v7958004.exe	99

C:\Users\Admin\AppData\Local\Temp\61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.exe
"C:\Users\Admin\AppData\Local\Temp\61f1416a771544600c2eb0122b2860693273306c4f450b6c7dc5af2a07a52b2b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7479313.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7479313.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3804
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7958004.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7958004.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:5100
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v2151231.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v2151231.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4848
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8518906.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8518906.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4304
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6286603.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6286603.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1900
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8826700.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8826700.exe
      4⤵
      Executes dropped EXE
      PID:4360

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:3688

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7479313.exe

Filesize
1.4MB

MD5
f322468f7b64cecefaf9a0f0faccce20

SHA1
3d70724ebe7a280468c06cec4aeff4723eb530be

SHA256
d0d0aa49f6e37875f9b5dd0f21ab7ea9a9a366ff47cf69e224a1aa6e5089a24c

SHA512
b73f96b0eae3a1ca5da4a964cf56c7a991e5d30796a0f56bd6729dd4dfe542ed1053b7e0d3284bac2d5a1c7e646002fdf11866c094543e2e94847a9ed16b1fff

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7958004.exe

Filesize
1.3MB

MD5
208b54dec1def07b191289f2f777b350

SHA1
10bf86ca447e4aa9d59a244824788350d4b4f071

SHA256
09b9055edb7d51a08a4b7a7b2ee1d982379fff43c34637084fdd32a412a20974

SHA512
06ebe2071211a221f939aa666849012f4d6e1b7855ff8e0df4bda2c0fe1430b564ad1d4209b945cfead695f1503a2dc57af84fae7bd1cf62e71691184a772b2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8826700.exe

Filesize
729KB

MD5
066240575f50b7f5987e95a3be5d62dc

SHA1
3edf9ff59b4ee474b5d828763d9c4df55bd51179

SHA256
5d78ef153cc6b04717c89d059e6b2c6200834f3945d6e762603d53c118bddfd5

SHA512
702b9df12dcfb2038eb71e0286f1c6d036df628fee3b9c44b295bf5089ce07c88fd70ac44091eb092c941217a7437210ff792190706568d8608f3a689450d76c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v2151231.exe

Filesize
638KB

MD5
4b1a2d09d57bf0b2fc99d5da960562d5

SHA1
d72c7391e795ee360ad860d870d03c58372e5d19

SHA256
df3d2938bcbf97d8977a8fe236a2471d529e1b484ba5090635dc3fec80b7b8e3

SHA512
4a69463ab5fcb25140b9ce4fece0c2d0e7c3d2827d7d2addc26a38a8c9aeb1787837ade0084c578c46efa2d4b3c98b4fc0b645334796d40d2a73ea4e55d28684

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8518906.exe

Filesize
568KB

MD5
ae98a36da0e47b966ed93d845206ce38

SHA1
1ea9b655c02f2073c92e4a010c25a2c5bcad1ed8

SHA256
1c262ccffb16c31cdf0cc414038a3da52f58e209027e5a915f3b6e40be5d3bee

SHA512
975b325fdd9cf5f47778742bf53b10a2903caace94b69d59a16c7c8ade15e8bd7d29ed372269bdde0bf76ac8898771601549f993e69c9801ffc11da4168cb1dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6286603.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1900-37-0x0000000000600000-0x000000000060A000-memory.dmp

Filesize
40KB

Download
memory/4304-28-0x0000000000540000-0x000000000054A000-memory.dmp

Filesize
40KB

Download
memory/4360-43-0x0000000001F50000-0x0000000001F80000-memory.dmp

Filesize
192KB

Download
memory/4360-47-0x0000000004A60000-0x0000000004A66000-memory.dmp

Filesize
24KB

Download
memory/4360-48-0x0000000005200000-0x0000000005818000-memory.dmp

Filesize
6.1MB

Download
memory/4360-49-0x0000000004C00000-0x0000000004D0A000-memory.dmp

Filesize
1.0MB

Download
memory/4360-50-0x0000000004D40000-0x0000000004D52000-memory.dmp

Filesize
72KB

Download
memory/4360-51-0x0000000004D60000-0x0000000004D9C000-memory.dmp

Filesize
240KB

Download
memory/4360-52-0x0000000004E00000-0x0000000004E4C000-memory.dmp

Filesize
304KB

Download