healer | c3588c6f35a70498fda41ce8192c9354c255210c692022056c94230b6b461943

Analysis

max time kernel
146s
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, 00:42

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General

Target
ef6990182d906df4906fbff9f63b6b64.exe
Size 529KB
Sample230708-a2b8yscd72
SHA256 c3588c6f35a70498fda41ce8192c9354c255210c692022056c94230b6b461943
MD5 ef6990182d906df4906fbff9f63b6b64
SHA1 7ca83a562f2a8c1f356b02ebe20b7266af31c8ce
SHA512 c35e6204ea520359a714f98907e14109a41347f708cbf120d541eb9a0c01790115c72d4409e84acb6ffc3dbf774b49b526be9d0c183af476cdbd4e5259fa128c
SSDEEP 12288:nGQlafv4aRdnQgHBj6CRfuEDLX7Z0FfdaTJjlB4UioUfMkl1/HI:nGQ6v482gh6iF0SJpG0kXHI
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/3952-153-0x00000000001F0000-0x00000000001FA000-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	k9303874.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k9303874.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k9303874.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k9303874.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k9303874.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k9303874.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
2848	y0888803.exe
3952	k9303874.exe
4788	l0386535.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	k9303874.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k9303874.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	y0888803.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\\\""	y0888803.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	ef6990182d906df4906fbff9f63b6b64.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\\\""	ef6990182d906df4906fbff9f63b6b64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3952	k9303874.exe
3952	k9303874.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3952	k9303874.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 2848	216	ef6990182d906df4906fbff9f63b6b64.exe	85
PID 216 wrote to memory of 2848	216	ef6990182d906df4906fbff9f63b6b64.exe	85
PID 216 wrote to memory of 2848	216	ef6990182d906df4906fbff9f63b6b64.exe	85
PID 2848 wrote to memory of 3952	2848	y0888803.exe	86
PID 2848 wrote to memory of 3952	2848	y0888803.exe	86
PID 2848 wrote to memory of 3952	2848	y0888803.exe	86
PID 2848 wrote to memory of 4788	2848	y0888803.exe	88
PID 2848 wrote to memory of 4788	2848	y0888803.exe	88
PID 2848 wrote to memory of 4788	2848	y0888803.exe	88

C:\Users\Admin\AppData\Local\Temp\ef6990182d906df4906fbff9f63b6b64.exe
"C:\Users\Admin\AppData\Local\Temp\ef6990182d906df4906fbff9f63b6b64.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:216
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0888803.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0888803.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9303874.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9303874.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386535.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386535.exe
    3⤵
    - Executes dropped EXE
    PID:4788

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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y0888803.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0888803.exe
Size 260KB
SHA256 f414627ece07653332819eaa132e73123c74284be6a94c8997e730cc6e243c07
MD5 082f640d7ab40ceb3f3b375ab4a30b4e
SHA1 629afbc6bee69596ca1f49029db2c7c84685e2d5
SHA512 473cc280e3e4c1eae595050f56866bcaaf961e0469d44cef6665672adfafaf6617ec185e655ce25d28123e0124024b60e9c5729923c2097cd299a26c3ce8b1b3
SSDEEP 6144:KIy+bnr+2p0yN90QEjHZykFBTMBUURuRPTy+KqaXh5Ke:oMr2y90pHTjKkF+P
MD5 SHA1 SHA512 SSDEEP

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y0888803.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0888803.exe
Size 260KB
SHA256 f414627ece07653332819eaa132e73123c74284be6a94c8997e730cc6e243c07
MD5 082f640d7ab40ceb3f3b375ab4a30b4e
SHA1 629afbc6bee69596ca1f49029db2c7c84685e2d5
SHA512 473cc280e3e4c1eae595050f56866bcaaf961e0469d44cef6665672adfafaf6617ec185e655ce25d28123e0124024b60e9c5729923c2097cd299a26c3ce8b1b3
SSDEEP 6144:KIy+bnr+2p0yN90QEjHZykFBTMBUURuRPTy+KqaXh5Ke:oMr2y90pHTjKkF+P
MD5 SHA1 SHA512 SSDEEP

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k9303874.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9303874.exe
Size 96KB
SHA256 98abd34d98e2b10ff50b6c6e4499019ccf1df74b8ab2bc7f7a2501581fc34396
MD5 14faff4edc8d5d25df48000b48f1617d
SHA1 8a88495ebfb520a504e06ef0a8285f7aef738bf8
SHA512 dcae482ec36f1677ee1e70faea985b8c42b2d5543080cc1bc79f7f013d03e8b31954b2a63f044453dfc56686cb574ab4854916e20bbb4273af95c198a91ca9e2
SSDEEP 1536:6iHCucp3KnYB/WCkYL21+KuEiyFopwKUApC7qQwH7Px:6iiuQ68eW4FuEiyCwKU+Cejx
MD5 SHA1 SHA512 SSDEEP

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k9303874.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9303874.exe
Size 96KB
SHA256 98abd34d98e2b10ff50b6c6e4499019ccf1df74b8ab2bc7f7a2501581fc34396
MD5 14faff4edc8d5d25df48000b48f1617d
SHA1 8a88495ebfb520a504e06ef0a8285f7aef738bf8
SHA512 dcae482ec36f1677ee1e70faea985b8c42b2d5543080cc1bc79f7f013d03e8b31954b2a63f044453dfc56686cb574ab4854916e20bbb4273af95c198a91ca9e2
SSDEEP 1536:6iHCucp3KnYB/WCkYL21+KuEiyFopwKUApC7qQwH7Px:6iiuQ68eW4FuEiyCwKU+Cejx
MD5 SHA1 SHA512 SSDEEP

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l0386535.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386535.exe
Size 257KB
SHA256 00d5436ae79979a9b24c119612b5b1a97dda24c2e55776cb0a0f6d4557ec1a56
MD5 753c6584379cff44f8d8a29ffaa15537
SHA1 d8c012f67ac60db279655f49caac631e25e36d93
SHA512 ca0cd8586f44fed9ba14ee90c0e074e24a3251437a757710347710d5cec1e3ba6494c7c7b155ffb046511e67df42e4d7cb5e248a20a59ceb248a06ac4dc84959
SSDEEP 6144:uhIzBBp+ly2WtzH7NrIrBJjvft5LZFL92hUPEIX:uhIzLIYR0vfjZZ92hU
MD5 SHA1 SHA512 SSDEEP

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l0386535.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386535.exe
Size 257KB
SHA256 00d5436ae79979a9b24c119612b5b1a97dda24c2e55776cb0a0f6d4557ec1a56
MD5 753c6584379cff44f8d8a29ffaa15537
SHA1 d8c012f67ac60db279655f49caac631e25e36d93
SHA512 ca0cd8586f44fed9ba14ee90c0e074e24a3251437a757710347710d5cec1e3ba6494c7c7b155ffb046511e67df42e4d7cb5e248a20a59ceb248a06ac4dc84959
SSDEEP 6144:uhIzBBp+ly2WtzH7NrIrBJjvft5LZFL92hUPEIX:uhIzLIYR0vfjZZ92hU
MD5 SHA1 SHA512 SSDEEP

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memory/216-133-0x0000000000860000-0x00000000008D4000-memory.dmp

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memory/3952-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/4788-162-0x0000000000580000-0x00000000005B0000-memory.dmp

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memory/4788-167-0x000000000A0D0000-0x000000000A6E8000-memory.dmp

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memory/4788-168-0x000000000A760000-0x000000000A86A000-memory.dmp

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memory/4788-169-0x000000000A8A0000-0x000000000A8B2000-memory.dmp

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memory/4788-170-0x000000000A8C0000-0x000000000A8FC000-memory.dmp

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memory/4788-171-0x0000000004AE0000-0x0000000004AF0000-memory.dmp

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memory/4788-172-0x0000000004AE0000-0x0000000004AF0000-memory.dmp

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