healer | 3d4d90071ded35d47dc30a222b6621fce5d38df73aa71c0799bf7d4fdf3e3cb6

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
10/07/2023, 15:19

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General

Target
3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe
Size 538KB
Sample230710-sp6adabe58
SHA256 3d4d90071ded35d47dc30a222b6621fce5d38df73aa71c0799bf7d4fdf3e3cb6
MD5 1246f49bd8da1ce1506ea0edc08026ec
SHA1 293be22e4f7cfc40059165eeaec5d82916547a7a
SHA512 f79e9bbc1c6470d5272412aee5f88671ad426083fd112e05d7b29b724a0ab2e4bf593c207a956177574cf75c7f546d98c227e7aa2c048559a15d04ef68106034
SSDEEP 12288:3E83nz47C+32djn93rvbkC31MWzIQy1rSeG2:Xz47TYnBvbkC31MfQy1rDD
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/2176-153-0x00000000001F0000-0x00000000001FA000-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"	k1261244.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k1261244.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k1261244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k1261244.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k1261244.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k1261244.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
4072	y4638602.exe
2176	k1261244.exe
652	l0386233.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"	k1261244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k1261244.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	3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.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\\\""	3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y4638602.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\\\""	y4638602.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2176	k1261244.exe
2176	k1261244.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	k1261244.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 4072	4404	3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe	85
PID 4404 wrote to memory of 4072	4404	3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe	85
PID 4404 wrote to memory of 4072	4404	3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe	85
PID 4072 wrote to memory of 2176	4072	y4638602.exe	86
PID 4072 wrote to memory of 2176	4072	y4638602.exe	86
PID 4072 wrote to memory of 2176	4072	y4638602.exe	86
PID 4072 wrote to memory of 652	4072	y4638602.exe	88
PID 4072 wrote to memory of 652	4072	y4638602.exe	88
PID 4072 wrote to memory of 652	4072	y4638602.exe	88

C:\Users\Admin\AppData\Local\Temp\3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe
"C:\Users\Admin\AppData\Local\Temp\3d4d90071ded35d47dc30a222b6621fce5d38df73aa71.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4638602.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4638602.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1261244.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1261244.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2176
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386233.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386233.exe
    3⤵
    - Executes dropped EXE
    PID:652

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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y4638602.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4638602.exe
Size 261KB
SHA256 fd9021095962b88b0d85d2597cab6265aa71622268cc357fa766e01435d059fd
MD5 efc8eb18c7699f1df0e5d7b31aecc9b6
SHA1 304e6222d960ccd6741d3aac599acd6c71ba0557
SHA512 660606569dc53bb2a745b66601e5fad1e779ecabc15b300ffbc931eeb5625f28deb35936798ad3435c5d16a6874ffc10a0d85139c679ca5ea06eb6ddb1ceb048
SSDEEP 6144:K2y+bnr+op0yN90QEGHwcqUFBRXLi7iBLmFZvC:KMrsy90MHtL2i8vC
MD5 SHA1 SHA512 SSDEEP

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y4638602.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4638602.exe
Size 261KB
SHA256 fd9021095962b88b0d85d2597cab6265aa71622268cc357fa766e01435d059fd
MD5 efc8eb18c7699f1df0e5d7b31aecc9b6
SHA1 304e6222d960ccd6741d3aac599acd6c71ba0557
SHA512 660606569dc53bb2a745b66601e5fad1e779ecabc15b300ffbc931eeb5625f28deb35936798ad3435c5d16a6874ffc10a0d85139c679ca5ea06eb6ddb1ceb048
SSDEEP 6144:K2y+bnr+op0yN90QEGHwcqUFBRXLi7iBLmFZvC:KMrsy90MHtL2i8vC
MD5 SHA1 SHA512 SSDEEP

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k1261244.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1261244.exe
Size 104KB
SHA256 f2cea81307313daf8f3cbef3abc17c88aabbc9b182539b362338df4c271222ee
MD5 2bfac805eaec7427dbb90cad2da48d85
SHA1 7f1306d29e128f0630264a19b1cfda4aaef20b74
SHA512 58c7576336283cdb80230f10990a9d5d237facc8f42ac9518bb08a497b9694e5c9363f0f57ecc677879490a6e09f78059423dfe1eb7128aa57ebb7d8f359586d
SSDEEP 1536:1rFMqAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/DnE:1xUbEzBNeOJHeW75x+ULLJcM/DLxfx
MD5 SHA1 SHA512 SSDEEP

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k1261244.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1261244.exe
Size 104KB
SHA256 f2cea81307313daf8f3cbef3abc17c88aabbc9b182539b362338df4c271222ee
MD5 2bfac805eaec7427dbb90cad2da48d85
SHA1 7f1306d29e128f0630264a19b1cfda4aaef20b74
SHA512 58c7576336283cdb80230f10990a9d5d237facc8f42ac9518bb08a497b9694e5c9363f0f57ecc677879490a6e09f78059423dfe1eb7128aa57ebb7d8f359586d
SSDEEP 1536:1rFMqAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/DnE:1xUbEzBNeOJHeW75x+ULLJcM/DLxfx
MD5 SHA1 SHA512 SSDEEP

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l0386233.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386233.exe
Size 266KB
SHA256 18f514775969e1e46efc94c79f1a2fcb8696be544ff5ad9c4e41c3706a4befe6
MD5 4b0371dd128db2da58d364594f23f662
SHA1 a7b41afa0f30f7835fbe1ea3194ff97eda990692
SHA512 09a2c6b16cb44ebb61a5bccbaa79ae1404b26b67f560440cd94ff4e2035058070707e6b5129a6736baae6e42501df4baf343f9be206e2135b87e56f9f16e648e
SSDEEP 3072:gc+iOHMwew7+picM/HsVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:gcvOswD7aVVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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l0386233.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0386233.exe
Size 266KB
SHA256 18f514775969e1e46efc94c79f1a2fcb8696be544ff5ad9c4e41c3706a4befe6
MD5 4b0371dd128db2da58d364594f23f662
SHA1 a7b41afa0f30f7835fbe1ea3194ff97eda990692
SHA512 09a2c6b16cb44ebb61a5bccbaa79ae1404b26b67f560440cd94ff4e2035058070707e6b5129a6736baae6e42501df4baf343f9be206e2135b87e56f9f16e648e
SSDEEP 3072:gc+iOHMwew7+picM/HsVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:gcvOswD7aVVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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memory/652-162-0x0000000000450000-0x0000000000480000-memory.dmp

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memory/652-167-0x0000000004AD0000-0x00000000050E8000-memory.dmp

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memory/652-168-0x00000000050F0000-0x00000000051FA000-memory.dmp

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memory/652-169-0x0000000005200000-0x0000000005212000-memory.dmp

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memory/652-170-0x0000000005220000-0x000000000525C000-memory.dmp

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memory/652-171-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

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memory/652-172-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

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memory/2176-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/4404-133-0x0000000000560000-0x00000000005D4000-memory.dmp

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