healer | 37a7cd28babef26a4606bfbaf4845eef189501ed8ac5d70cceedd2cfee0673d6

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2023, 06:06

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General

Target
e89af0f7c48103594a5def987726be0f.exe
Size 538KB
Sample230710-gtsdjagh75
SHA256 37a7cd28babef26a4606bfbaf4845eef189501ed8ac5d70cceedd2cfee0673d6
MD5 e89af0f7c48103594a5def987726be0f
SHA1 b032233ad2365b78514df854b51e8002d110286c
SHA512 c9df58e81530b1f505183e0d5bb8aa3e9fab8c7f4703d1e100c3b86c37a62ab9d3482ce9a99e701d2628760b41d7ed4f5b3a30b7de18e9a903ac665c23c8b1e3
SSDEEP 6144:A0SoUTLhHBJvCWGYLUz247Mnzy1XSnhCxNPSWEyre6E81S1bF1ZS4qOL7tlO:A08hnz47Mnzzh+TXEdVF1Z7qOFl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline kira dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

kira

77.91.68.48:19071

Attributes

auth_value
1677a40fd8997eb89377e1681911e9c6

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/4032-153-0x00000000004F0000-0x00000000004FA000-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"	k4065164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k4065164.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k4065164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k4065164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k4065164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k4065164.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
3952	y0162452.exe
4032	k4065164.exe
3876	l8865316.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	k4065164.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k4065164.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	y0162452.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\\\""	y0162452.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	e89af0f7c48103594a5def987726be0f.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\\\""	e89af0f7c48103594a5def987726be0f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4032	k4065164.exe
4032	k4065164.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4032	k4065164.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 3952	3968	e89af0f7c48103594a5def987726be0f.exe	85
PID 3968 wrote to memory of 3952	3968	e89af0f7c48103594a5def987726be0f.exe	85
PID 3968 wrote to memory of 3952	3968	e89af0f7c48103594a5def987726be0f.exe	85
PID 3952 wrote to memory of 4032	3952	y0162452.exe	86
PID 3952 wrote to memory of 4032	3952	y0162452.exe	86
PID 3952 wrote to memory of 4032	3952	y0162452.exe	86
PID 3952 wrote to memory of 3876	3952	y0162452.exe	88
PID 3952 wrote to memory of 3876	3952	y0162452.exe	88
PID 3952 wrote to memory of 3876	3952	y0162452.exe	88

C:\Users\Admin\AppData\Local\Temp\e89af0f7c48103594a5def987726be0f.exe
"C:\Users\Admin\AppData\Local\Temp\e89af0f7c48103594a5def987726be0f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0162452.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0162452.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4065164.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4065164.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4032
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8865316.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8865316.exe
    3⤵
    - Executes dropped EXE
    PID:3876

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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y0162452.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0162452.exe
Size 261KB
SHA256 320a4ef44b942ad6beaa19773c805c840501dfaa332912d90b9fb543abd902b6
MD5 b4e4a4e3d500fc8696afe7f2b64f2836
SHA1 e6e2079e74bd90cff89cc01cb9b851e6e8bfe88f
SHA512 5a7796a23b0c439f1c7b686229a900ae043df0ea835a56707579664d235cb58badca6c8f965f7d9ca139b382997395992ae4f5e69459a7704f80bd4f7282bbe2
SSDEEP 6144:Kvy+bnr+4p0yN90QE6LbznXOZ7rgZsEfMcG1+yU:ZMrYy90OOZ7roEcGG
MD5 SHA1 SHA512 SSDEEP

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y0162452.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0162452.exe
Size 261KB
SHA256 320a4ef44b942ad6beaa19773c805c840501dfaa332912d90b9fb543abd902b6
MD5 b4e4a4e3d500fc8696afe7f2b64f2836
SHA1 e6e2079e74bd90cff89cc01cb9b851e6e8bfe88f
SHA512 5a7796a23b0c439f1c7b686229a900ae043df0ea835a56707579664d235cb58badca6c8f965f7d9ca139b382997395992ae4f5e69459a7704f80bd4f7282bbe2
SSDEEP 6144:Kvy+bnr+4p0yN90QE6LbznXOZ7rgZsEfMcG1+yU:ZMrYy90OOZ7roEcGG
MD5 SHA1 SHA512 SSDEEP

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k4065164.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4065164.exe
Size 104KB
SHA256 231bb7a25106223bdf460f631a3cc759caf74de3696dd14ef8d3c93ac7fe8823
MD5 dd34810e8da18cbfec2589e4ce8fc664
SHA1 c2ee67f6f03592454f2373ebb92fb625267ab3f8
SHA512 5422b94eb3ee9667f1058b33adda651e4ab3b6cbe72c7f3c085d5aa7e4e7536ee4aad504e79aada4195d8fa7428cd2411ccf646e6cd65a8e436873b2e2608650
SSDEEP 1536:J88qAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/xnvs:2kbEzBNeOJHeW75x+ULLJcM/xLxfx
MD5 SHA1 SHA512 SSDEEP

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k4065164.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4065164.exe
Size 104KB
SHA256 231bb7a25106223bdf460f631a3cc759caf74de3696dd14ef8d3c93ac7fe8823
MD5 dd34810e8da18cbfec2589e4ce8fc664
SHA1 c2ee67f6f03592454f2373ebb92fb625267ab3f8
SHA512 5422b94eb3ee9667f1058b33adda651e4ab3b6cbe72c7f3c085d5aa7e4e7536ee4aad504e79aada4195d8fa7428cd2411ccf646e6cd65a8e436873b2e2608650
SSDEEP 1536:J88qAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/xnvs:2kbEzBNeOJHeW75x+ULLJcM/xLxfx
MD5 SHA1 SHA512 SSDEEP

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l8865316.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8865316.exe
Size 266KB
SHA256 6bf5121c91eb32d803b9879e930b8d9d16cbdff69bb8af9f1c75f62a8e1088fc
MD5 33ed4202746f75cb7f265248d4535ae4
SHA1 0359b80671665d9c6262022c1798c9397d74c728
SHA512 a126d90edd97c9c04c6ec434cfda273934c8c0bb247c039907db23521b6cda89656f1912cbeb796980ff5f6d11695a3a2d782075f0aba74c7915562653be2cd5
SSDEEP 3072:58+iOHMwew7+picM/FsVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:58vOswD78VVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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l8865316.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8865316.exe
Size 266KB
SHA256 6bf5121c91eb32d803b9879e930b8d9d16cbdff69bb8af9f1c75f62a8e1088fc
MD5 33ed4202746f75cb7f265248d4535ae4
SHA1 0359b80671665d9c6262022c1798c9397d74c728
SHA512 a126d90edd97c9c04c6ec434cfda273934c8c0bb247c039907db23521b6cda89656f1912cbeb796980ff5f6d11695a3a2d782075f0aba74c7915562653be2cd5
SSDEEP 3072:58+iOHMwew7+picM/FsVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:58vOswD78VVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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memory/3876-162-0x0000000000450000-0x0000000000480000-memory.dmp

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memory/3876-167-0x000000000A500000-0x000000000AB18000-memory.dmp

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memory/3876-168-0x0000000009EE0000-0x0000000009FEA000-memory.dmp

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memory/3876-169-0x0000000009FF0000-0x000000000A002000-memory.dmp

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memory/3876-170-0x000000000A010000-0x000000000A04C000-memory.dmp

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memory/3876-171-0x0000000004A50000-0x0000000004A60000-memory.dmp

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memory/3876-172-0x0000000004A50000-0x0000000004A60000-memory.dmp

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memory/3968-133-0x00000000006C0000-0x0000000000734000-memory.dmp

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memory/4032-153-0x00000000004F0000-0x00000000004FA000-memory.dmp

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