healer | bdbc66a708256de155b8a1e55e182bc7bd572984a4f093aebcb89fbacc09c42f

Analysis

max time kernel
144s
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
07/07/2023, 13:09

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General

Target
b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe
Size 530KB
Sample230707-qdr79sad9x
SHA256 bdbc66a708256de155b8a1e55e182bc7bd572984a4f093aebcb89fbacc09c42f
MD5 b53c9aca7e9fbd0cbf2d26cfb5b01aa6
SHA1 41021a0aa42d736c6c48768652b25ef9b1c256dc
SHA512 05855d8d97b020d91493fb4e2ced9eb2b3cca68c923bf58e668486799b5eb2c76bae7db064f6d5225cf032bca3acbbff5f93e9f4ddd724951a0d6f78b7cc3f59
SSDEEP 12288:8u8qY9NfvEaRdnQg3U4v37NvkY8GKI+MedUu0Y:8u8qYrvE82gE4/7BQGKjMedtf
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/2448-153-0x00000000001F0000-0x00000000001FA000-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\DisableIOAVProtection = "1"	k5617144.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k5617144.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k5617144.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k5617144.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k5617144.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k5617144.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
500	y3971253.exe
2448	k5617144.exe
4752	l2668051.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	k5617144.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k5617144.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	b53c9aca7e9fbd0cbf2d26cfb5b01aa6.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\\\""	b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y3971253.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\\\""	y3971253.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	k5617144.exe
2448	k5617144.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	k5617144.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 500	216	b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe	84
PID 216 wrote to memory of 500	216	b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe	84
PID 216 wrote to memory of 500	216	b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe	84
PID 500 wrote to memory of 2448	500	y3971253.exe	86
PID 500 wrote to memory of 2448	500	y3971253.exe	86
PID 500 wrote to memory of 2448	500	y3971253.exe	86
PID 500 wrote to memory of 4752	500	y3971253.exe	88
PID 500 wrote to memory of 4752	500	y3971253.exe	88
PID 500 wrote to memory of 4752	500	y3971253.exe	88

C:\Users\Admin\AppData\Local\Temp\b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe
"C:\Users\Admin\AppData\Local\Temp\b53c9aca7e9fbd0cbf2d26cfb5b01aa6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:216
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3971253.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3971253.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:500
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5617144.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5617144.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2448
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2668051.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2668051.exe
    3⤵
    - Executes dropped EXE
    PID:4752

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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y3971253.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3971253.exe
Size 261KB
SHA256 f155267a2d984a262d4bc565b261633a954008e448fc474d23526b70d01a0455
MD5 b7de16eabbd8aed7afbc82b2360b1cff
SHA1 ee9662b8be2b0c46ad9bcb8400ea6bc7bb156865
SHA512 7669f321d2b439c0fdd9682638d6a8acc7eec41b4d6ed1585eec446e348157c318f504f055cf993107ea7ae301d8038e03f3c876d861046e0a43687c4b616de9
SSDEEP 6144:Kry+bnr+jp0yN90QEE+p/QJM4cqHykI7IPt2TGz+2G:NMrvy90NQJZHjpt2Cg
MD5 SHA1 SHA512 SSDEEP

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y3971253.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3971253.exe
Size 261KB
SHA256 f155267a2d984a262d4bc565b261633a954008e448fc474d23526b70d01a0455
MD5 b7de16eabbd8aed7afbc82b2360b1cff
SHA1 ee9662b8be2b0c46ad9bcb8400ea6bc7bb156865
SHA512 7669f321d2b439c0fdd9682638d6a8acc7eec41b4d6ed1585eec446e348157c318f504f055cf993107ea7ae301d8038e03f3c876d861046e0a43687c4b616de9
SSDEEP 6144:Kry+bnr+jp0yN90QEE+p/QJM4cqHykI7IPt2TGz+2G:NMrvy90NQJZHjpt2Cg
MD5 SHA1 SHA512 SSDEEP

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k5617144.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5617144.exe
Size 97KB
SHA256 2fd77b2af5e9542d8cd34b463aa2c20048b206d29df52d891263dee957ab6930
MD5 33322740bf32e34ef707ce285d4d1b71
SHA1 2935becb7a14700cfa1a32579074ee0869b4a725
SHA512 5a27df1322c82774ee682e2051a21e7599580a5c8b9c16e84764813542d04a09754b5525d92d039bd600f6a022cfe012d6c6d045a3282e93a00528e6d18e8377
SSDEEP 1536:c4iwPRCUHh3v/RnIvaH4kYV21neuARyFopoRC7qQwH7Pxk:N0UB/JlAeeuARyCoRCejxk
MD5 SHA1 SHA512 SSDEEP

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k5617144.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k5617144.exe
Size 97KB
SHA256 2fd77b2af5e9542d8cd34b463aa2c20048b206d29df52d891263dee957ab6930
MD5 33322740bf32e34ef707ce285d4d1b71
SHA1 2935becb7a14700cfa1a32579074ee0869b4a725
SHA512 5a27df1322c82774ee682e2051a21e7599580a5c8b9c16e84764813542d04a09754b5525d92d039bd600f6a022cfe012d6c6d045a3282e93a00528e6d18e8377
SSDEEP 1536:c4iwPRCUHh3v/RnIvaH4kYV21neuARyFopoRC7qQwH7Pxk:N0UB/JlAeeuARyCoRCejxk
MD5 SHA1 SHA512 SSDEEP

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l2668051.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2668051.exe
Size 257KB
SHA256 5aeffd874942849eece3d596271b83483a86aa5c263e200d70f9a8c37b9367c5
MD5 70f32293050d5da96df278883aac22e7
SHA1 17f3fb250afedc7073d8156d094c8e8d2e453924
SHA512 b2e56dfe10fe24e6c7195e70eab7a3db6b477b6cf2f08730abe9a6dccfd490f51e8b87c889c0778a5463f2e77e71c16ff630613a3e3182f750481d5be274f337
SSDEEP 6144:0KgBhsCW8p+ly2WtzH7NrIrBJjvft5LZFL92hUPEIW2:uhsCtIYR0vfjZZ92hUD
MD5 SHA1 SHA512 SSDEEP

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l2668051.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2668051.exe
Size 257KB
SHA256 5aeffd874942849eece3d596271b83483a86aa5c263e200d70f9a8c37b9367c5
MD5 70f32293050d5da96df278883aac22e7
SHA1 17f3fb250afedc7073d8156d094c8e8d2e453924
SHA512 b2e56dfe10fe24e6c7195e70eab7a3db6b477b6cf2f08730abe9a6dccfd490f51e8b87c889c0778a5463f2e77e71c16ff630613a3e3182f750481d5be274f337
SSDEEP 6144:0KgBhsCW8p+ly2WtzH7NrIrBJjvft5LZFL92hUPEIW2:uhsCtIYR0vfjZZ92hUD
MD5 SHA1 SHA512 SSDEEP

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memory/216-133-0x0000000000700000-0x0000000000774000-memory.dmp

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memory/2448-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/4752-162-0x0000000000520000-0x0000000000550000-memory.dmp

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memory/4752-167-0x000000000A720000-0x000000000AD38000-memory.dmp

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memory/4752-168-0x000000000A140000-0x000000000A24A000-memory.dmp

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memory/4752-169-0x000000000A280000-0x000000000A292000-memory.dmp

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memory/4752-170-0x000000000A2A0000-0x000000000A2DC000-memory.dmp

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memory/4752-171-0x0000000004B70000-0x0000000004B80000-memory.dmp

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memory/4752-172-0x0000000004B70000-0x0000000004B80000-memory.dmp

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