healer | b36b41494f9cb9649bd1cfe38fef63f80d07fb0f5533be7b374eab0a01489ddf

Analysis

max time kernel
145s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2023, 03:22

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General

Target
8d2d11de4862130bda738b30b8d700b7.exe
Size 529KB
Sample230708-dwwxyscf77
SHA256 b36b41494f9cb9649bd1cfe38fef63f80d07fb0f5533be7b374eab0a01489ddf
MD5 8d2d11de4862130bda738b30b8d700b7
SHA1 25a6611b2928ce60e202410779cbc06f299efa92
SHA512 d7216e2cdfefa494c0d513c99339a6cff022d3969599ac81f84f66b0a6f0e935a8ef850295f81d12bfef5083c8a5b097f10fadd3b6bf71ab1a971a9848db9618
SSDEEP 12288:KagufvyaRdnQgk7zzNhhpaYP7Tkt7weDRiTDU:Kag0vy82gk7zBhVPktwetgDU
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/4424-153-0x00000000001F0000-0x00000000001FA000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k7379288.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k7379288.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k7379288.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k7379288.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k7379288.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k7379288.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
1916	y9531684.exe
4424	k7379288.exe
780	l2497717.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	k7379288.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k7379288.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	y9531684.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\\\""	y9531684.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	8d2d11de4862130bda738b30b8d700b7.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\\\""	8d2d11de4862130bda738b30b8d700b7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4424	k7379288.exe
4424	k7379288.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	k7379288.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 1916	1568	8d2d11de4862130bda738b30b8d700b7.exe	85
PID 1568 wrote to memory of 1916	1568	8d2d11de4862130bda738b30b8d700b7.exe	85
PID 1568 wrote to memory of 1916	1568	8d2d11de4862130bda738b30b8d700b7.exe	85
PID 1916 wrote to memory of 4424	1916	y9531684.exe	87
PID 1916 wrote to memory of 4424	1916	y9531684.exe	87
PID 1916 wrote to memory of 4424	1916	y9531684.exe	87
PID 1916 wrote to memory of 780	1916	y9531684.exe	91
PID 1916 wrote to memory of 780	1916	y9531684.exe	91
PID 1916 wrote to memory of 780	1916	y9531684.exe	91

C:\Users\Admin\AppData\Local\Temp\8d2d11de4862130bda738b30b8d700b7.exe
"C:\Users\Admin\AppData\Local\Temp\8d2d11de4862130bda738b30b8d700b7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9531684.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9531684.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7379288.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7379288.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4424
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2497717.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2497717.exe
    3⤵
    - Executes dropped EXE
    PID:780

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

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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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y9531684.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9531684.exe
Size 260KB
SHA256 5eedd05b8c82a5e02a9d41fea306fe5ba3471fbee79fe1aa7b9b8c4ee060847d
MD5 b5a1b92f7ccc62a040e1d2058df2f2f1
SHA1 7ec753f176444316831aee4425f3413967c3028f
SHA512 45a628efdee481f513c5d008d62c1972c18757473fca5fe1fea47ae5248400cb0f24c7e76421fd2e4b2a02705a8617b0e3bc9c8a65696b9b3855d87e90860be2
SSDEEP 6144:Kjy+bnr+up0yN90QELJSOavlVcp3Q+xAIuAFvAbonw:tMr6y90uOatV6A+xxhdAonw
MD5 SHA1 SHA512 SSDEEP

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y9531684.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9531684.exe
Size 260KB
SHA256 5eedd05b8c82a5e02a9d41fea306fe5ba3471fbee79fe1aa7b9b8c4ee060847d
MD5 b5a1b92f7ccc62a040e1d2058df2f2f1
SHA1 7ec753f176444316831aee4425f3413967c3028f
SHA512 45a628efdee481f513c5d008d62c1972c18757473fca5fe1fea47ae5248400cb0f24c7e76421fd2e4b2a02705a8617b0e3bc9c8a65696b9b3855d87e90860be2
SSDEEP 6144:Kjy+bnr+up0yN90QELJSOavlVcp3Q+xAIuAFvAbonw:tMr6y90uOatV6A+xxhdAonw
MD5 SHA1 SHA512 SSDEEP

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k7379288.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7379288.exe
Size 96KB
SHA256 755a60eb44c491e124d290fc0628b797e01c3b620431316df9b55a9b2433002c
MD5 90c13ddd1d9bf160d14289218380fa01
SHA1 a5bce7e9ae7b84e13c5b049e0f58b057e423421c
SHA512 869ea5057cb0f8558f4377c64325d4fbd52873f60f437deea9f2af7ecd80e240356c38703bec89c80e5e4b501bb1640d65d100fe187d7269e2a81bd51b622dbf
SSDEEP 1536:9fCebR3BnT5H2akYL21O+ujCyFop4ELC7qQwH7Pxk:EeNRNWu4JujCyC42Cejxk
MD5 SHA1 SHA512 SSDEEP

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k7379288.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7379288.exe
Size 96KB
SHA256 755a60eb44c491e124d290fc0628b797e01c3b620431316df9b55a9b2433002c
MD5 90c13ddd1d9bf160d14289218380fa01
SHA1 a5bce7e9ae7b84e13c5b049e0f58b057e423421c
SHA512 869ea5057cb0f8558f4377c64325d4fbd52873f60f437deea9f2af7ecd80e240356c38703bec89c80e5e4b501bb1640d65d100fe187d7269e2a81bd51b622dbf
SSDEEP 1536:9fCebR3BnT5H2akYL21O+ujCyFop4ELC7qQwH7Pxk:EeNRNWu4JujCyC42Cejxk
MD5 SHA1 SHA512 SSDEEP

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l2497717.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2497717.exe
Size 257KB
SHA256 a1248077701bb9870011cceeff5cc4c25da121469c8df5a79620f920cafafcd8
MD5 15cb286d8d358ee83fafcd796e56b1c5
SHA1 20b192b4dc7439756226a5f45e7e8e427ba5db52
SHA512 ff93188acb5e8d570a64727b8ea8126332bb9157336b8f893f8c751f4188cf2659a62faafb934d82b2c02fa3a25baf2647cf6a10fe750848f8551c994b03bc76
SSDEEP 6144:h6ZWDKp+ly2WtzH7NrIrBJjvft5LZFL92hUPEI3:h6ZWuIYR0vfjZZ92hU
MD5 SHA1 SHA512 SSDEEP

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l2497717.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2497717.exe
Size 257KB
SHA256 a1248077701bb9870011cceeff5cc4c25da121469c8df5a79620f920cafafcd8
MD5 15cb286d8d358ee83fafcd796e56b1c5
SHA1 20b192b4dc7439756226a5f45e7e8e427ba5db52
SHA512 ff93188acb5e8d570a64727b8ea8126332bb9157336b8f893f8c751f4188cf2659a62faafb934d82b2c02fa3a25baf2647cf6a10fe750848f8551c994b03bc76
SSDEEP 6144:h6ZWDKp+ly2WtzH7NrIrBJjvft5LZFL92hUPEI3:h6ZWuIYR0vfjZZ92hU
MD5 SHA1 SHA512 SSDEEP

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memory/780-162-0x00000000005B0000-0x00000000005E0000-memory.dmp

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memory/780-167-0x0000000009F80000-0x000000000A598000-memory.dmp

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memory/780-168-0x000000000A620000-0x000000000A72A000-memory.dmp

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memory/780-169-0x000000000A760000-0x000000000A772000-memory.dmp

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memory/780-170-0x0000000004BF0000-0x0000000004C00000-memory.dmp

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memory/780-171-0x000000000A780000-0x000000000A7BC000-memory.dmp

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memory/780-172-0x0000000004BF0000-0x0000000004C00000-memory.dmp

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memory/1568-133-0x0000000000560000-0x00000000005D4000-memory.dmp

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memory/4424-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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