healer | 43eac1fc759f31585befe5c04543d45f46006c2fce7818d3d25f57fdd8f4c1e1

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, 05:56

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General

Target
8270e79f59df93d307ab70c4b86e20b2.exe
Size 538KB
Sample230710-gm124agh49
SHA256 43eac1fc759f31585befe5c04543d45f46006c2fce7818d3d25f57fdd8f4c1e1
MD5 8270e79f59df93d307ab70c4b86e20b2
SHA1 bda89e112b2f7ff2588ef55bb4f0c7a0527ab0ac
SHA512 638ffd4162b61f66a9ee38cd0925610366dceab26ea13c00f90c7c41cdbc306cd5183060bffba4e589adfd1fbf95e7cffc043c55c3712f7fb616940b299fdb11
SSDEEP 12288:K08Vmz47Pi9yW33lu91rIWqgoXUV7QSS:yc47a9V3u1rIvG7QSS
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/4252-153-0x00000000001F0000-0x00000000001FA000-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"	k9378681.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k9378681.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k9378681.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k9378681.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k9378681.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k9378681.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
4336	y7688392.exe
4252	k9378681.exe
1552	l2926170.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	k9378681.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k9378681.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	8270e79f59df93d307ab70c4b86e20b2.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\\\""	8270e79f59df93d307ab70c4b86e20b2.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y7688392.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\\\""	y7688392.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4252	k9378681.exe
4252	k9378681.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	k9378681.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 4336	4272	8270e79f59df93d307ab70c4b86e20b2.exe	84
PID 4272 wrote to memory of 4336	4272	8270e79f59df93d307ab70c4b86e20b2.exe	84
PID 4272 wrote to memory of 4336	4272	8270e79f59df93d307ab70c4b86e20b2.exe	84
PID 4336 wrote to memory of 4252	4336	y7688392.exe	86
PID 4336 wrote to memory of 4252	4336	y7688392.exe	86
PID 4336 wrote to memory of 4252	4336	y7688392.exe	86
PID 4336 wrote to memory of 1552	4336	y7688392.exe	88
PID 4336 wrote to memory of 1552	4336	y7688392.exe	88
PID 4336 wrote to memory of 1552	4336	y7688392.exe	88

C:\Users\Admin\AppData\Local\Temp\8270e79f59df93d307ab70c4b86e20b2.exe
"C:\Users\Admin\AppData\Local\Temp\8270e79f59df93d307ab70c4b86e20b2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7688392.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7688392.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9378681.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9378681.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4252
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2926170.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2926170.exe
    3⤵
    - Executes dropped EXE
    PID:1552

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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y7688392.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7688392.exe
Size 261KB
SHA256 d067e48d2c1f8c9d2a0f464ccda78f9f35a4de316cd48517a77cf27a407249c5
MD5 418198d89fc260ca967b5aa97950a975
SHA1 730648bab73cb3dcb2c74a9d8775271e21c0e6ad
SHA512 735e20848e3a3527800a95f315cdd36cd1d9878dea93f7cd1faa286d28af9a1126c2ba8c1ef2eb406e84f27acc2cdd1fb2cc2305e21b1c55eefd49781c33d395
SSDEEP 6144:KCy+bnr+gp0yN90QEzcELFfPR7zbbyJ2ghTRalX:eMrQy90aEf32J2glAx
MD5 SHA1 SHA512 SSDEEP

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y7688392.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7688392.exe
Size 261KB
SHA256 d067e48d2c1f8c9d2a0f464ccda78f9f35a4de316cd48517a77cf27a407249c5
MD5 418198d89fc260ca967b5aa97950a975
SHA1 730648bab73cb3dcb2c74a9d8775271e21c0e6ad
SHA512 735e20848e3a3527800a95f315cdd36cd1d9878dea93f7cd1faa286d28af9a1126c2ba8c1ef2eb406e84f27acc2cdd1fb2cc2305e21b1c55eefd49781c33d395
SSDEEP 6144:KCy+bnr+gp0yN90QEzcELFfPR7zbbyJ2ghTRalX:eMrQy90aEf32J2glAx
MD5 SHA1 SHA512 SSDEEP

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k9378681.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9378681.exe
Size 104KB
SHA256 5a5f100f4d204a174d6c373dcaa323861403312d56e0fdd71945bdbcbb2c0163
MD5 e2eb82a3bbe5ba8c7dc4e70c24aff34a
SHA1 78d624a080739285cc1af55f8c17caa2c92d6d52
SHA512 4a28bb42d00b065140c16695f355b2888ff4520d8fb755c6049ad00c9b3dda37f331e3986daafd4a9d9badec2026fd6de3afbc33f515bf6367e6625615fcc32e
SSDEEP 1536:fussqAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/anE:N0bEzBNeOJHeW75x+ULLJcM/aLxfx
MD5 SHA1 SHA512 SSDEEP

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k9378681.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9378681.exe
Size 104KB
SHA256 5a5f100f4d204a174d6c373dcaa323861403312d56e0fdd71945bdbcbb2c0163
MD5 e2eb82a3bbe5ba8c7dc4e70c24aff34a
SHA1 78d624a080739285cc1af55f8c17caa2c92d6d52
SHA512 4a28bb42d00b065140c16695f355b2888ff4520d8fb755c6049ad00c9b3dda37f331e3986daafd4a9d9badec2026fd6de3afbc33f515bf6367e6625615fcc32e
SSDEEP 1536:fussqAbXciWeGdHN4TOJ+qveDJCU8oQb75x+Ui5AL7ieidrCzculsWtiH7cd/anE:N0bEzBNeOJHeW75x+ULLJcM/aLxfx
MD5 SHA1 SHA512 SSDEEP

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l2926170.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2926170.exe
Size 266KB
SHA256 66cb67b18d5b94f2a9f21924010a8989c8fc746024216cf37c589bb91ddae8f5
MD5 d1643ecf698e08ea0d7115c943413f71
SHA1 97155775905e6c2c8840fc56e069c78326a1adf4
SHA512 88b9907dbbfd8ca4078f7635c18ced6df1d56f5e0b0e58ce7d9c45db3a695d63e780daf2a223ffff6bacf9fa94e412db07e50a82945dcfcce9a78e3b879872e2
SSDEEP 3072:KZM+iOHMwew7+picM/asVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:CMvOswD7fVVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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l2926170.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2926170.exe
Size 266KB
SHA256 66cb67b18d5b94f2a9f21924010a8989c8fc746024216cf37c589bb91ddae8f5
MD5 d1643ecf698e08ea0d7115c943413f71
SHA1 97155775905e6c2c8840fc56e069c78326a1adf4
SHA512 88b9907dbbfd8ca4078f7635c18ced6df1d56f5e0b0e58ce7d9c45db3a695d63e780daf2a223ffff6bacf9fa94e412db07e50a82945dcfcce9a78e3b879872e2
SSDEEP 3072:KZM+iOHMwew7+picM/asVVct+Z7bYH9jqyo/QnfzKX+9MByRtq9Lxfx:CMvOswD7fVVctqoDo/QnfzKv2tq9L
MD5 SHA1 SHA512 SSDEEP

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memory/1552-162-0x0000000000530000-0x0000000000560000-memory.dmp

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memory/1552-167-0x000000000A580000-0x000000000AB98000-memory.dmp

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memory/1552-168-0x0000000009FF0000-0x000000000A0FA000-memory.dmp

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memory/1552-169-0x000000000A130000-0x000000000A142000-memory.dmp

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memory/1552-170-0x000000000A150000-0x000000000A18C000-memory.dmp

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memory/1552-171-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

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memory/1552-172-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

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memory/4252-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/4272-133-0x0000000000490000-0x0000000000504000-memory.dmp

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