healer | 9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bbe4764eef06e2165fb43

Analysis

max time kernel
145s
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, 12:03

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General

Target
9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe
Size 538KB
Sample230710-n7116aaa99
SHA256 9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bbe4764eef06e2165fb43
MD5 1239719ec23aabea2e62473cb6ee4c0a
SHA1 7c6ce57de1cd21968f5d1c0b7ef6040fdf40f5ed
SHA512 4bc1ab8c54209624472a00f23d23593fc9455d1c0fc1fbe716c916af397e2e1e6b75a50e9809d7ce81db378d4a39f0d20d09ad750bb0d38a45b6d7609bd7d2d5
SSDEEP 12288:TOgHsxz47wAbTf/kPrNKOqBrWQ5v2SNM:PMh47wCbAKOqBT5v
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/4944-153-0x00000000001F0000-0x00000000001FA000-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\DisableRealtimeMonitoring = "1"	k7634410.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k7634410.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k7634410.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k7634410.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k7634410.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k7634410.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
1868	y4947352.exe
4944	k7634410.exe
1960	l0040285.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	k7634410.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k7634410.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\\\""	y4947352.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.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\\\""	9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y4947352.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4944	k7634410.exe
4944	k7634410.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4944	k7634410.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 1868	664	9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe	88
PID 664 wrote to memory of 1868	664	9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe	88
PID 664 wrote to memory of 1868	664	9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe	88
PID 1868 wrote to memory of 4944	1868	y4947352.exe	90
PID 1868 wrote to memory of 4944	1868	y4947352.exe	90
PID 1868 wrote to memory of 4944	1868	y4947352.exe	90
PID 1868 wrote to memory of 1960	1868	y4947352.exe	94
PID 1868 wrote to memory of 1960	1868	y4947352.exe	94
PID 1868 wrote to memory of 1960	1868	y4947352.exe	94

C:\Users\Admin\AppData\Local\Temp\9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe
"C:\Users\Admin\AppData\Local\Temp\9bbe0eafeb0414bc20ff19ca1589de8c6c937e110f1bb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:664
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4947352.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4947352.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7634410.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7634410.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4944
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0040285.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0040285.exe
    3⤵
    - Executes dropped EXE
    PID:1960

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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y4947352.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4947352.exe
Size 261KB
SHA256 c3f89100018c6140bdca4961c9a9ae41dd117c6f8b912de26bd13c9a24062cd2
MD5 ed8afde639ba5fc1a6a4d66516090b14
SHA1 a2fc69cccabcca61a3dc765bc6dd047da6d25879
SHA512 6f7bfff98177f8dce26c85e1f4223fa0a888e8cdb4ca70404295b94be0ec57b3f7aafc1f5ccb680fa8f4a2eef1eea4faff76a356a2af138609381756d897a91a
SSDEEP 6144:Kky+bnr+0p0yN90QEPcELFfPDtoOCbO6htBPQ9i1:EMr0y90SEj9C6ctBPQ9A
MD5 SHA1 SHA512 SSDEEP

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y4947352.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4947352.exe
Size 261KB
SHA256 c3f89100018c6140bdca4961c9a9ae41dd117c6f8b912de26bd13c9a24062cd2
MD5 ed8afde639ba5fc1a6a4d66516090b14
SHA1 a2fc69cccabcca61a3dc765bc6dd047da6d25879
SHA512 6f7bfff98177f8dce26c85e1f4223fa0a888e8cdb4ca70404295b94be0ec57b3f7aafc1f5ccb680fa8f4a2eef1eea4faff76a356a2af138609381756d897a91a
SSDEEP 6144:Kky+bnr+0p0yN90QEPcELFfPDtoOCbO6htBPQ9i1:EMr0y90SEj9C6ctBPQ9A
MD5 SHA1 SHA512 SSDEEP

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k7634410.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7634410.exe
Size 104KB
SHA256 8216cb9a60a3aca5782c171fb4fca2175bfbbc9db8c67b566700c7c6a38b0e69
MD5 19fc360dc6f76dd16c5b54ebcf840856
SHA1 8168d69fc466887a5b7c06fd1291b3b95074662e
SHA512 17f0ad23e6ffdec6b4e9843f7f4c72b9c3e4a5dddc95359b9fe3af25df3d16edb2d60f7bbd28d29f2f12f64fc89d823faebc4920bd7a362398c3daaba568d201
SSDEEP 1536:fussqAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/anE:N0bEzBNeOJHeW75x+ULLJcM/aLxfx
MD5 SHA1 SHA512 SSDEEP

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k7634410.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7634410.exe
Size 104KB
SHA256 8216cb9a60a3aca5782c171fb4fca2175bfbbc9db8c67b566700c7c6a38b0e69
MD5 19fc360dc6f76dd16c5b54ebcf840856
SHA1 8168d69fc466887a5b7c06fd1291b3b95074662e
SHA512 17f0ad23e6ffdec6b4e9843f7f4c72b9c3e4a5dddc95359b9fe3af25df3d16edb2d60f7bbd28d29f2f12f64fc89d823faebc4920bd7a362398c3daaba568d201
SSDEEP 1536:fussqAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/anE:N0bEzBNeOJHeW75x+ULLJcM/aLxfx
MD5 SHA1 SHA512 SSDEEP

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l0040285.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0040285.exe
Size 266KB
SHA256 4ab988d7f50212e7dbfdbb3f79d4a3db72ef5269e94c195f079a149174fbb15b
MD5 07d4702d127cf1026f14af862fe28e50
SHA1 f6d8615e7af55a3dc567476f1bdb4e38651044a2
SHA512 c216028545ccbcdb91982be6fc3d05df19893d743db983cafea2e4768407368cbb1c3bdaba56ec0262909ec4c0c48ca0a2784cf61f0e97de1b8f0085b11ee654
SSDEEP 3072:KZM+iOHMwew7+picM/asVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:CMvOswD7fVVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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l0040285.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0040285.exe
Size 266KB
SHA256 4ab988d7f50212e7dbfdbb3f79d4a3db72ef5269e94c195f079a149174fbb15b
MD5 07d4702d127cf1026f14af862fe28e50
SHA1 f6d8615e7af55a3dc567476f1bdb4e38651044a2
SHA512 c216028545ccbcdb91982be6fc3d05df19893d743db983cafea2e4768407368cbb1c3bdaba56ec0262909ec4c0c48ca0a2784cf61f0e97de1b8f0085b11ee654
SSDEEP 3072:KZM+iOHMwew7+picM/asVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:CMvOswD7fVVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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memory/664-133-0x00000000006E0000-0x0000000000754000-memory.dmp

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memory/1960-162-0x0000000000520000-0x0000000000550000-memory.dmp

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memory/1960-167-0x000000000A460000-0x000000000AA78000-memory.dmp

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memory/1960-168-0x0000000009EB0000-0x0000000009FBA000-memory.dmp

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memory/1960-169-0x0000000009FF0000-0x000000000A002000-memory.dmp

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memory/1960-170-0x000000000A010000-0x000000000A04C000-memory.dmp

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memory/1960-171-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

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memory/1960-172-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

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memory/4944-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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