healer | 6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2023, 06:58

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General

Target

6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe
Size

1.0MB
MD5

9ace71edd231d0cd950980e2d32890a6
SHA1

4318b01918d1a734ab285de8c863cf6f8a0ee9da
SHA256

6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62
SHA512

262ebe4793bd9f6d7196124ad7e8142c24d2e11c348e910fba7fb265924d1d5c87cf63357cc0e497c855eecdcefc45b4ff687e0226af75982d2c3957ccb79ad2
SSDEEP

24576:4yrz6liMa3ygWnwbrT/BVl+zjj972P3s22cAwU3cP:/rztMSygWwXZ+jjR2kxcA1c

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 2 IoCs

resource	yara_rule
behavioral1/memory/2096-154-0x0000000000400000-0x000000000041B000-memory.dmp	healer
behavioral1/memory/2096-155-0x0000000000430000-0x000000000043A000-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

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k6067716.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k6067716.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k6067716.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k6067716.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k6067716.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k6067716.exe

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

Executes dropped EXE 4 IoCs

pid	Process
4660	y1925265.exe
544	y6085425.exe
2096	k6067716.exe
3776	l9951531.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k6067716.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k6067716.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.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\\\""	6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y1925265.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\\\""	y1925265.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y6085425.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\\\""	y6085425.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2096	k6067716.exe
2096	k6067716.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	k6067716.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 4660	1880	6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe	85
PID 1880 wrote to memory of 4660	1880	6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe	85
PID 1880 wrote to memory of 4660	1880	6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe	85
PID 4660 wrote to memory of 544	4660	y1925265.exe	87
PID 4660 wrote to memory of 544	4660	y1925265.exe	87
PID 4660 wrote to memory of 544	4660	y1925265.exe	87
PID 544 wrote to memory of 2096	544	y6085425.exe	88
PID 544 wrote to memory of 2096	544	y6085425.exe	88
PID 544 wrote to memory of 2096	544	y6085425.exe	88
PID 544 wrote to memory of 3776	544	y6085425.exe	99
PID 544 wrote to memory of 3776	544	y6085425.exe	99
PID 544 wrote to memory of 3776	544	y6085425.exe	99

C:\Users\Admin\AppData\Local\Temp\6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe
"C:\Users\Admin\AppData\Local\Temp\6d385ad27439451e9fd0ed12f03ac05698ae929dfcec9ef2436d208ffdda6c62.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1925265.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1925265.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6085425.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6085425.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:544
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6067716.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6067716.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2096
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9951531.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9951531.exe
      4⤵
      Executes dropped EXE
      PID:3776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

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\y1925265.exe

Filesize
882KB

MD5
22660d28b18031280db853cff06c90a9

SHA1
bd28db13dfd3ad2534b3459ec710f7bded8f130d

SHA256
8cefa2110b90084bfccd8e3e9ae7113c1701db1a2e0612559d922893fa954c8e

SHA512
ae3a143f03c136973d073311419df28ef5aaf52349fce651489d17d2a238661ee96e48b366951976389d7f8e21968ec117b1a4d58dc727e3e012fe729c926d1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1925265.exe

Filesize
882KB

MD5
22660d28b18031280db853cff06c90a9

SHA1
bd28db13dfd3ad2534b3459ec710f7bded8f130d

SHA256
8cefa2110b90084bfccd8e3e9ae7113c1701db1a2e0612559d922893fa954c8e

SHA512
ae3a143f03c136973d073311419df28ef5aaf52349fce651489d17d2a238661ee96e48b366951976389d7f8e21968ec117b1a4d58dc727e3e012fe729c926d1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6085425.exe

Filesize
699KB

MD5
58c747d0709c4f0bc6f6e914a3172841

SHA1
2f5dbdb0b0f52a19948fab81a2443a42aa04da29

SHA256
6d3246c74db19103cefedab223270055b75d63277b4a69252862e6d5387529f7

SHA512
900f88b158f83ff465232bf4c0cf62acd1df12e7ef5c6625f720ac0b852f3fe14068e94a131235db1d9e6d1df7176a3a1f0d6ef4b6a78ab795c5bff3e22b0a3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6085425.exe

Filesize
699KB

MD5
58c747d0709c4f0bc6f6e914a3172841

SHA1
2f5dbdb0b0f52a19948fab81a2443a42aa04da29

SHA256
6d3246c74db19103cefedab223270055b75d63277b4a69252862e6d5387529f7

SHA512
900f88b158f83ff465232bf4c0cf62acd1df12e7ef5c6625f720ac0b852f3fe14068e94a131235db1d9e6d1df7176a3a1f0d6ef4b6a78ab795c5bff3e22b0a3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6067716.exe

Filesize
568KB

MD5
1fa5ee01e3ca2568c58be17b6ff9ab4f

SHA1
e1a9375f6cbd4744f1581e54a3f6e8cbf79e2369

SHA256
e51ee46929da35a45d4a00fa1d321dc58762f656ff4d00e1ca0b9784e260ba62

SHA512
5df8554ea8045cb85840f08d4a6931ba0448c61bed1ae6ee6fe4f6190d395bfc374f25f756cace082c1bc674566fc87a71e76337421594f5807995456901f1fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6067716.exe

Filesize
568KB

MD5
1fa5ee01e3ca2568c58be17b6ff9ab4f

SHA1
e1a9375f6cbd4744f1581e54a3f6e8cbf79e2369

SHA256
e51ee46929da35a45d4a00fa1d321dc58762f656ff4d00e1ca0b9784e260ba62

SHA512
5df8554ea8045cb85840f08d4a6931ba0448c61bed1ae6ee6fe4f6190d395bfc374f25f756cace082c1bc674566fc87a71e76337421594f5807995456901f1fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9951531.exe

Filesize
729KB

MD5
e284fa6373deaafb2b96f047150374da

SHA1
51dc1c40230be3819bbe53b2186312e385877111

SHA256
3f9454dd115e5b090330e2bd8c67768e9b79300f7aa789f107056b736ccb037b

SHA512
925e188943d891452f8b9fb3622e8b3cccf45dfe7bd27d8a1cd76a90b891525c2b20e5d7df156cb7609be15646bc2263b8d9e312e73f00dbed8bf15dc24430dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9951531.exe

Filesize
729KB

MD5
e284fa6373deaafb2b96f047150374da

SHA1
51dc1c40230be3819bbe53b2186312e385877111

SHA256
3f9454dd115e5b090330e2bd8c67768e9b79300f7aa789f107056b736ccb037b

SHA512
925e188943d891452f8b9fb3622e8b3cccf45dfe7bd27d8a1cd76a90b891525c2b20e5d7df156cb7609be15646bc2263b8d9e312e73f00dbed8bf15dc24430dc

Download Submit
memory/2096-154-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2096-155-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/2096-160-0x0000000073D30000-0x00000000744E0000-memory.dmp

Filesize
7.7MB

Download
memory/2096-159-0x0000000073D30000-0x00000000744E0000-memory.dmp

Filesize
7.7MB

Download
memory/2096-163-0x0000000073D30000-0x00000000744E0000-memory.dmp

Filesize
7.7MB

Download
memory/3776-173-0x0000000073D30000-0x00000000744E0000-memory.dmp

Filesize
7.7MB

Download
memory/3776-168-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3776-167-0x0000000000490000-0x00000000004C0000-memory.dmp

Filesize
192KB

Download
memory/3776-174-0x0000000004BE0000-0x00000000051F8000-memory.dmp

Filesize
6.1MB

Download
memory/3776-175-0x0000000005220000-0x000000000532A000-memory.dmp

Filesize
1.0MB

Download
memory/3776-176-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download
memory/3776-177-0x0000000005360000-0x0000000005372000-memory.dmp

Filesize
72KB

Download
memory/3776-178-0x0000000005380000-0x00000000053BC000-memory.dmp

Filesize
240KB

Download
memory/3776-179-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3776-180-0x0000000073D30000-0x00000000744E0000-memory.dmp

Filesize
7.7MB

Download
memory/3776-181-0x0000000004AD0000-0x0000000004AE0000-memory.dmp

Filesize
64KB

Download