healer | 429be9d61855fe7311e02d722451e086501ac6373998a4079953fa555550b381

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
08/07/2023, 00:03

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General

Target
b0287ce799aeeeb95b10292c40ae6b31.exe
Size 528KB
Sample230708-ab15dscd29
SHA256 429be9d61855fe7311e02d722451e086501ac6373998a4079953fa555550b381
MD5 b0287ce799aeeeb95b10292c40ae6b31
SHA1 ad492bb17ab28edfc17b6624ba73e206e852d7d1
SHA512 db82fe1656ce344d2ce0397973df1d17d22f75c884a2a30527eafed3dfd4af7b6c930b135132f7e2c7adec47764c441b7531e4b1a98e81ea4fd98e48629bfdbd
SSDEEP 12288:FcJh2fvGaRdnQgFT2OQi+gC78LL2Zwt2QLOvSw:FcJhsvG82gFllM78f2ZDQLOvSw
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/4444-153-0x00000000004F0000-0x00000000004FA000-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\DisableOnAccessProtection = "1"	k4060473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k4060473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k4060473.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k4060473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k4060473.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k4060473.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
1988	y3405856.exe
4444	k4060473.exe
3960	l3493450.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"	k4060473.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k4060473.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	b0287ce799aeeeb95b10292c40ae6b31.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\\\""	b0287ce799aeeeb95b10292c40ae6b31.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y3405856.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\\\""	y3405856.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4444	k4060473.exe
4444	k4060473.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	k4060473.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 1988	1444	b0287ce799aeeeb95b10292c40ae6b31.exe	87
PID 1444 wrote to memory of 1988	1444	b0287ce799aeeeb95b10292c40ae6b31.exe	87
PID 1444 wrote to memory of 1988	1444	b0287ce799aeeeb95b10292c40ae6b31.exe	87
PID 1988 wrote to memory of 4444	1988	y3405856.exe	88
PID 1988 wrote to memory of 4444	1988	y3405856.exe	88
PID 1988 wrote to memory of 4444	1988	y3405856.exe	88
PID 1988 wrote to memory of 3960	1988	y3405856.exe	92
PID 1988 wrote to memory of 3960	1988	y3405856.exe	92
PID 1988 wrote to memory of 3960	1988	y3405856.exe	92

C:\Users\Admin\AppData\Local\Temp\b0287ce799aeeeb95b10292c40ae6b31.exe
"C:\Users\Admin\AppData\Local\Temp\b0287ce799aeeeb95b10292c40ae6b31.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3405856.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3405856.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4060473.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4060473.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4444
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3493450.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3493450.exe
    3⤵
    - Executes dropped EXE
    PID:3960

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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y3405856.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3405856.exe
Size 261KB
SHA256 f9675b02a16e4e322a771c1bbbb94d9f5e7d72aaf45f70bc3b31011b02534fc7
MD5 ac43360ce9ac6a57988470453b563768
SHA1 5388b1d8e01e81e5b87392b278a9cf90fd1b4cec
SHA512 d3d846b4c54296a44f7c6386e22d005b8d56c6679489e82000a9deb48e4b89b5bc360f195eb8583a852401b2fab41a670fa2d3a122b1534ca44466ad190bb446
SSDEEP 6144:KGy+bnr+kp0yN90QEraLoew6ip2NEfDCY4WO:KMr8y90cLoSiwNEed
MD5 SHA1 SHA512 SSDEEP

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y3405856.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3405856.exe
Size 261KB
SHA256 f9675b02a16e4e322a771c1bbbb94d9f5e7d72aaf45f70bc3b31011b02534fc7
MD5 ac43360ce9ac6a57988470453b563768
SHA1 5388b1d8e01e81e5b87392b278a9cf90fd1b4cec
SHA512 d3d846b4c54296a44f7c6386e22d005b8d56c6679489e82000a9deb48e4b89b5bc360f195eb8583a852401b2fab41a670fa2d3a122b1534ca44466ad190bb446
SSDEEP 6144:KGy+bnr+kp0yN90QEraLoew6ip2NEfDCY4WO:KMr8y90cLoSiwNEed
MD5 SHA1 SHA512 SSDEEP

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k4060473.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4060473.exe
Size 96KB
SHA256 93d060b7dc4035e5a8ba6a662358e726ea673883c8c3197f5e0ab6e9c1834eeb
MD5 3655946094ff16c05fd0936f282606a5
SHA1 432526b40b88f12c21ac6c678f199cdaeee249d9
SHA512 1e31a0947cde87f54d2c49a20bebb7b285937b4c43382e0b4c43a90a4267feb0d8e064d1411a8038173d29446ddc598e534d96a74c85463976ebc43e21b632d6
SSDEEP 1536:Gmj9yqChW+B30HLoXWHkYS21umuXLTyyFopIlOYC7qQwH7Pxk:xyd0KE0Grj1ubTyyCILCejxk
MD5 SHA1 SHA512 SSDEEP

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k4060473.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4060473.exe
Size 96KB
SHA256 93d060b7dc4035e5a8ba6a662358e726ea673883c8c3197f5e0ab6e9c1834eeb
MD5 3655946094ff16c05fd0936f282606a5
SHA1 432526b40b88f12c21ac6c678f199cdaeee249d9
SHA512 1e31a0947cde87f54d2c49a20bebb7b285937b4c43382e0b4c43a90a4267feb0d8e064d1411a8038173d29446ddc598e534d96a74c85463976ebc43e21b632d6
SSDEEP 1536:Gmj9yqChW+B30HLoXWHkYS21umuXLTyyFopIlOYC7qQwH7Pxk:xyd0KE0Grj1ubTyyCILCejxk
MD5 SHA1 SHA512 SSDEEP

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l3493450.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3493450.exe
Size 258KB
SHA256 66e54252a2b9c35dc2b503bc70647f975a37127ab21bcccc494bee93edc65d27
MD5 705ee44df41b026a4df19aa39435ed8a
SHA1 b5e0273aad904f306e7fccad6f27ba1e2b7e3d3b
SHA512 4b96a4cbb027f53d9e88c71fe45e26215c777704ce0ceb5a3e367e29b86f3dff6beab38339763c1695af86aee8dc985162c3f0f61f4655989c78a61a29e01b1c
SSDEEP 6144:JcAba2up+ly2WtzH7NrIrBJjvft5LZFL92hUPEIeg:JcAbaTIYR0vfjZZ92hUD
MD5 SHA1 SHA512 SSDEEP

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l3493450.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3493450.exe
Size 258KB
SHA256 66e54252a2b9c35dc2b503bc70647f975a37127ab21bcccc494bee93edc65d27
MD5 705ee44df41b026a4df19aa39435ed8a
SHA1 b5e0273aad904f306e7fccad6f27ba1e2b7e3d3b
SHA512 4b96a4cbb027f53d9e88c71fe45e26215c777704ce0ceb5a3e367e29b86f3dff6beab38339763c1695af86aee8dc985162c3f0f61f4655989c78a61a29e01b1c
SSDEEP 6144:JcAba2up+ly2WtzH7NrIrBJjvft5LZFL92hUPEIeg:JcAbaTIYR0vfjZZ92hUD
MD5 SHA1 SHA512 SSDEEP

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memory/1444-133-0x0000000000670000-0x00000000006E4000-memory.dmp

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memory/3960-162-0x0000000000560000-0x0000000000590000-memory.dmp

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memory/3960-167-0x0000000004E30000-0x0000000005448000-memory.dmp

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memory/3960-168-0x0000000005450000-0x000000000555A000-memory.dmp

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memory/3960-169-0x00000000024F0000-0x0000000002502000-memory.dmp

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memory/3960-170-0x0000000002510000-0x000000000254C000-memory.dmp

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memory/3960-171-0x0000000004D20000-0x0000000004D30000-memory.dmp

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memory/3960-172-0x0000000004D20000-0x0000000004D30000-memory.dmp

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memory/4444-153-0x00000000004F0000-0x00000000004FA000-memory.dmp

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