healer | 5af7bfbc4d548f0f6d8fe171f41cf2e7276069e02e5e753774fb83480f0fd727

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2023, 14:10

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General

Target
619a7d637731fa1d511e05242f58be9f.exe
Size 529KB
Sample230707-rgn6fsaf71
SHA256 5af7bfbc4d548f0f6d8fe171f41cf2e7276069e02e5e753774fb83480f0fd727
MD5 619a7d637731fa1d511e05242f58be9f
SHA1 e175043d2eb0b8c6a1897a33ff915d07be8c6f84
SHA512 42a04fa57681ce874e0eafd3096d7d34e243b956c5d2c92f5017c5953b306687064b03a131a7a94e786c2bb66b67d8e8b8b9c70eb98c48ecf9f19e955c8cdeb1
SSDEEP 6144:sV+RTQpxfvcCAFbmaklCdnQgM9hK+znmAwqqRwlxSqn4pXvVoQ2S+0u7PA96ET:M+R6fv3aRdnQgD+pnXCvVWSPu7PA9h
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline furod dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

furod

77.91.68.70:19073

Attributes

auth_value
d2386245fe11799b28b4521492a5879d

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/4696-153-0x00000000001F0000-0x00000000001FA000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k1312136.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k1312136.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k1312136.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k1312136.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k1312136.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k1312136.exe

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

Executes dropped EXE 3 IoCs

pid	Process
4884	y6207712.exe
4696	k1312136.exe
4328	l5514535.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k1312136.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k1312136.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	619a7d637731fa1d511e05242f58be9f.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\\\""	619a7d637731fa1d511e05242f58be9f.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y6207712.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\\\""	y6207712.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4696	k1312136.exe
4696	k1312136.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	k1312136.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 4884	3808	619a7d637731fa1d511e05242f58be9f.exe	89
PID 3808 wrote to memory of 4884	3808	619a7d637731fa1d511e05242f58be9f.exe	89
PID 3808 wrote to memory of 4884	3808	619a7d637731fa1d511e05242f58be9f.exe	89
PID 4884 wrote to memory of 4696	4884	y6207712.exe	91
PID 4884 wrote to memory of 4696	4884	y6207712.exe	91
PID 4884 wrote to memory of 4696	4884	y6207712.exe	91
PID 4884 wrote to memory of 4328	4884	y6207712.exe	93
PID 4884 wrote to memory of 4328	4884	y6207712.exe	93
PID 4884 wrote to memory of 4328	4884	y6207712.exe	93

C:\Users\Admin\AppData\Local\Temp\619a7d637731fa1d511e05242f58be9f.exe
"C:\Users\Admin\AppData\Local\Temp\619a7d637731fa1d511e05242f58be9f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6207712.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6207712.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1312136.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1312136.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4696
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5514535.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5514535.exe
    3⤵
    - Executes dropped EXE
    PID:4328

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

System.dll.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

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y6207712.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6207712.exe
Size 261KB
SHA256 0513589f80e9b7025c98175815e0183dd3f47ab1747b118b2e95b3200eafec4a
MD5 89ebf830d914fc22bf848851abc3555a
SHA1 18b06550d8768aab1391fba1f2966e3369c3da06
SHA512 c8c467c644f11274168856c6e28a78df6cdf7be43cb2ca3ebf1ac6fec0b41fd5418c8e62ae6a5efa0c457305b36e64c4fcca2cfb51abe80e66e992a789172c5c
SSDEEP 6144:K4y+bnr+Gp0yN90QEwxTdeicYEclNQYsY:sMruy90W6olX1
MD5 SHA1 SHA512 SSDEEP

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y6207712.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6207712.exe
Size 261KB
SHA256 0513589f80e9b7025c98175815e0183dd3f47ab1747b118b2e95b3200eafec4a
MD5 89ebf830d914fc22bf848851abc3555a
SHA1 18b06550d8768aab1391fba1f2966e3369c3da06
SHA512 c8c467c644f11274168856c6e28a78df6cdf7be43cb2ca3ebf1ac6fec0b41fd5418c8e62ae6a5efa0c457305b36e64c4fcca2cfb51abe80e66e992a789172c5c
SSDEEP 6144:K4y+bnr+Gp0yN90QEwxTdeicYEclNQYsY:sMruy90W6olX1
MD5 SHA1 SHA512 SSDEEP

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k1312136.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1312136.exe
Size 96KB
SHA256 9e12994abbcb6c9c8ea136fc81db8a6e8d9ed815d45f0ea480bb3a75364dfbc3
MD5 e2c2ea29058064c9da08c527b8a18916
SHA1 09d641a2150b440b3d60b52ccdd413a8bc27420e
SHA512 ca631b0195acd4c21d381b5d423e0b0136cb7f4bd2b2294f0b4e72a9b6b723e03267dcd5f0e2feca7f49a8a9a01342c6e9f9f261e36ae57a7ef4433bcefc04a9
SSDEEP 1536:D+udfC2p+3mhIjJ3TikYQ21TiauvKjyFopprTrRI0C7qQwH7PxE:D+ud62YcQj2NZuSjyCpX/CejxE
MD5 SHA1 SHA512 SSDEEP

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k1312136.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1312136.exe
Size 96KB
SHA256 9e12994abbcb6c9c8ea136fc81db8a6e8d9ed815d45f0ea480bb3a75364dfbc3
MD5 e2c2ea29058064c9da08c527b8a18916
SHA1 09d641a2150b440b3d60b52ccdd413a8bc27420e
SHA512 ca631b0195acd4c21d381b5d423e0b0136cb7f4bd2b2294f0b4e72a9b6b723e03267dcd5f0e2feca7f49a8a9a01342c6e9f9f261e36ae57a7ef4433bcefc04a9
SSDEEP 1536:D+udfC2p+3mhIjJ3TikYQ21TiauvKjyFopprTrRI0C7qQwH7PxE:D+ud62YcQj2NZuSjyCpX/CejxE
MD5 SHA1 SHA512 SSDEEP

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l5514535.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5514535.exe
Size 257KB
SHA256 b12843fce5d2761336064c246c53df7c1a547e4797465777cf92b1c442ccb685
MD5 b2672ba93bcbbe5d01b6e710ce1bc655
SHA1 f9f5e5e0f0057cbbc45d1acae01affd44a4afc78
SHA512 ffe8ea2cce74e45be0b5ec1f072305e6201495a5cfd9439b60015a1a72bc76f0ec39d14be62bf235d4286217d113bf46c362d79f278cd37a9d29236b81513ad0
SSDEEP 6144:tQINwFPp+ly2WtzH7NrIrBJjvft5LZFL92hUPEIGW:tQINwZIYR0vfjZZ92hUH
MD5 SHA1 SHA512 SSDEEP

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l5514535.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l5514535.exe
Size 257KB
SHA256 b12843fce5d2761336064c246c53df7c1a547e4797465777cf92b1c442ccb685
MD5 b2672ba93bcbbe5d01b6e710ce1bc655
SHA1 f9f5e5e0f0057cbbc45d1acae01affd44a4afc78
SHA512 ffe8ea2cce74e45be0b5ec1f072305e6201495a5cfd9439b60015a1a72bc76f0ec39d14be62bf235d4286217d113bf46c362d79f278cd37a9d29236b81513ad0
SSDEEP 6144:tQINwFPp+ly2WtzH7NrIrBJjvft5LZFL92hUPEIGW:tQINwZIYR0vfjZZ92hUH
MD5 SHA1 SHA512 SSDEEP

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memory/3808-133-0x0000000000560000-0x00000000005D4000-memory.dmp

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memory/4328-162-0x0000000000450000-0x0000000000480000-memory.dmp

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memory/4328-167-0x000000000A6F0000-0x000000000AD08000-memory.dmp

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memory/4328-168-0x000000000A140000-0x000000000A24A000-memory.dmp

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memory/4328-169-0x000000000A280000-0x000000000A292000-memory.dmp

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memory/4328-170-0x000000000A2A0000-0x000000000A2DC000-memory.dmp

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memory/4328-171-0x0000000004B00000-0x0000000004B10000-memory.dmp

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memory/4328-172-0x0000000004B00000-0x0000000004B10000-memory.dmp

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memory/4696-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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