healer | fa25c94ffd8be26f414df9342eed43108e690cb2b0ebb1c9c13fe9e7264f6f46

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, 04:48

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General

Target
f3f4569674b481c552467ef025ce66b2.exe
Size 529KB
Sample230708-fe4ycach25
SHA256 fa25c94ffd8be26f414df9342eed43108e690cb2b0ebb1c9c13fe9e7264f6f46
MD5 f3f4569674b481c552467ef025ce66b2
SHA1 ce24ca684f3482975ceaeb8c2b0707085d1b4ae3
SHA512 2ae2bf9ebc9103b86f41c015366cfebcd716fc9c15f5b457eb866e68c5468d073cfc59b73a4e0a59a9fdcb4f7afeb0f761cce6d4c305b94880a1e73ab19810f2
SSDEEP 12288:kDtYfvKaRdnQgB3FeGdNCtlAiGLiUt835Hs4L:kDtyvK82gB1eGrCtlAiXUe35Hs4L
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/3780-153-0x00000000001F0000-0x00000000001FA000-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"	k7740389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k7740389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k7740389.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k7740389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k7740389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k7740389.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
3568	y4971678.exe
3780	k7740389.exe
1592	l6759600.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	k7740389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k7740389.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	f3f4569674b481c552467ef025ce66b2.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\\\""	f3f4569674b481c552467ef025ce66b2.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y4971678.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\\\""	y4971678.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3780	k7740389.exe
3780	k7740389.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3780	k7740389.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 3568	3080	f3f4569674b481c552467ef025ce66b2.exe	85
PID 3080 wrote to memory of 3568	3080	f3f4569674b481c552467ef025ce66b2.exe	85
PID 3080 wrote to memory of 3568	3080	f3f4569674b481c552467ef025ce66b2.exe	85
PID 3568 wrote to memory of 3780	3568	y4971678.exe	86
PID 3568 wrote to memory of 3780	3568	y4971678.exe	86
PID 3568 wrote to memory of 3780	3568	y4971678.exe	86
PID 3568 wrote to memory of 1592	3568	y4971678.exe	88
PID 3568 wrote to memory of 1592	3568	y4971678.exe	88
PID 3568 wrote to memory of 1592	3568	y4971678.exe	88

C:\Users\Admin\AppData\Local\Temp\f3f4569674b481c552467ef025ce66b2.exe
"C:\Users\Admin\AppData\Local\Temp\f3f4569674b481c552467ef025ce66b2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4971678.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4971678.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7740389.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7740389.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3780
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6759600.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6759600.exe
    3⤵
    - Executes dropped EXE
    PID:1592

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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y4971678.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4971678.exe
Size 260KB
SHA256 4e7857c2e7ee1f3266ee095030b243de4bf3275efaaf863ade4a047f06bd6640
MD5 0ee56956353cd54480e4ea3432169f0e
SHA1 7c07d4d31801099f2fc4a6ae34f78cb5a607d2cd
SHA512 0f942edaa6f15bfc6a18129b828cb01593d8e943efab8506832b987c4ef027035339b09c3882c94f177fe83aa9f53934a4ea808e1017ea2f6e98a36365c859da
SSDEEP 6144:Kdy+bnr+ap0yN90QEUudP8lJ6BtZ5xsWJ2Pt7yc:PMryy906e8lcJ2Plj
MD5 SHA1 SHA512 SSDEEP

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y4971678.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4971678.exe
Size 260KB
SHA256 4e7857c2e7ee1f3266ee095030b243de4bf3275efaaf863ade4a047f06bd6640
MD5 0ee56956353cd54480e4ea3432169f0e
SHA1 7c07d4d31801099f2fc4a6ae34f78cb5a607d2cd
SHA512 0f942edaa6f15bfc6a18129b828cb01593d8e943efab8506832b987c4ef027035339b09c3882c94f177fe83aa9f53934a4ea808e1017ea2f6e98a36365c859da
SSDEEP 6144:Kdy+bnr+ap0yN90QEUudP8lJ6BtZ5xsWJ2Pt7yc:PMryy906e8lcJ2Plj
MD5 SHA1 SHA512 SSDEEP

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k7740389.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7740389.exe
Size 96KB
SHA256 0255ab4cf0fa43ea087b185905fcb37a37c8468ed4b89f3c1a85d9482ff59086
MD5 4edeed7b39e2ffab1040968e6ca101c0
SHA1 36695db268980e4f1a318dff537740a93e38aac7
SHA512 3b424dc0d81da729020e32691c01c88dc3b830a9952c0b10e5f721d3363db05e7ca1a8573272a605603fd4597a678ccf35e1f32f04f270772a4c1249017592be
SSDEEP 1536:MPgCezp3RnIB/2CkYr21+r3ujAyFopwaDfC7qQwH7PxE:wTetBseWYUujAyCwarCejxE
MD5 SHA1 SHA512 SSDEEP

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k7740389.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7740389.exe
Size 96KB
SHA256 0255ab4cf0fa43ea087b185905fcb37a37c8468ed4b89f3c1a85d9482ff59086
MD5 4edeed7b39e2ffab1040968e6ca101c0
SHA1 36695db268980e4f1a318dff537740a93e38aac7
SHA512 3b424dc0d81da729020e32691c01c88dc3b830a9952c0b10e5f721d3363db05e7ca1a8573272a605603fd4597a678ccf35e1f32f04f270772a4c1249017592be
SSDEEP 1536:MPgCezp3RnIB/2CkYr21+r3ujAyFopwaDfC7qQwH7PxE:wTetBseWYUujAyCwarCejxE
MD5 SHA1 SHA512 SSDEEP

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l6759600.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6759600.exe
Size 257KB
SHA256 32de3193c787637393a0d5b07716821e66feb679615fa8c59d1c108221777a0a
MD5 782fe4d2337a5869e7b45a3a1b62717e
SHA1 4178055aa260fa9850f37672a40d382b262f0094
SHA512 23acc31a0b6e8e45413988381811cd3be1f87a6c1925f0f2773acd2a020aeaa9a144b2686b4bc154040b65895ddce231e60a520af6e32d38bfcd3b021520b9df
SSDEEP 6144:3Gi4BfDo8p+ly2WtzH7NrIrBJjvft5LZFL92hUPEIWB:3aBfDPIYR0vfjZZ92hUU
MD5 SHA1 SHA512 SSDEEP

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l6759600.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6759600.exe
Size 257KB
SHA256 32de3193c787637393a0d5b07716821e66feb679615fa8c59d1c108221777a0a
MD5 782fe4d2337a5869e7b45a3a1b62717e
SHA1 4178055aa260fa9850f37672a40d382b262f0094
SHA512 23acc31a0b6e8e45413988381811cd3be1f87a6c1925f0f2773acd2a020aeaa9a144b2686b4bc154040b65895ddce231e60a520af6e32d38bfcd3b021520b9df
SSDEEP 6144:3Gi4BfDo8p+ly2WtzH7NrIrBJjvft5LZFL92hUPEIWB:3aBfDPIYR0vfjZZ92hUU
MD5 SHA1 SHA512 SSDEEP

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memory/1592-162-0x00000000004A0000-0x00000000004D0000-memory.dmp

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memory/1592-167-0x0000000005340000-0x0000000005958000-memory.dmp

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memory/1592-168-0x0000000004D20000-0x0000000004E2A000-memory.dmp

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memory/1592-169-0x0000000004E60000-0x0000000004E72000-memory.dmp

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memory/1592-170-0x0000000004E80000-0x0000000004EBC000-memory.dmp

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memory/1592-171-0x0000000004B10000-0x0000000004B20000-memory.dmp

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memory/1592-172-0x0000000004B10000-0x0000000004B20000-memory.dmp

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memory/3080-133-0x0000000000860000-0x00000000008D4000-memory.dmp

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memory/3780-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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