healer | 4e1efb9a67dcafba6e2734db45965a637f58acd6e242073d9b0767c3a5f2d085

Analysis

max time kernel
145s
max time network
154s
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, 03:42

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General

Target
25bbfa770658d79c0ae1781ae71cd733.exe
Size 530KB
Sample230708-d9dnjacg26
SHA256 4e1efb9a67dcafba6e2734db45965a637f58acd6e242073d9b0767c3a5f2d085
MD5 25bbfa770658d79c0ae1781ae71cd733
SHA1 857d33a5e58308c65770d858f5d90e2c2623b55c
SHA512 39e42bdcd8ed2debbb01b1639859f8a1b4da9d822e30510105651ad576fd6b690502917fac1892dd2c46c697884537a250630947ccd21f7dd86de73584a2a596
SSDEEP 12288:1rNIfvtaRdnQgewhtPwTQ1H2YTsCHc5gQPmkFYCGCCm7dIKW:1rNCvt82gRv+QcGc5gQi2JI/
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/3264-153-0x00000000001F0000-0x00000000001FA000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k1615829.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k1615829.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k1615829.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k1615829.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k1615829.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k1615829.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
4636	y3729400.exe
3264	k1615829.exe
384	l6325006.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	k1615829.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k1615829.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	25bbfa770658d79c0ae1781ae71cd733.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\\\""	25bbfa770658d79c0ae1781ae71cd733.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y3729400.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\\\""	y3729400.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3264	k1615829.exe
3264	k1615829.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3264	k1615829.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4636	4040	25bbfa770658d79c0ae1781ae71cd733.exe	86
PID 4040 wrote to memory of 4636	4040	25bbfa770658d79c0ae1781ae71cd733.exe	86
PID 4040 wrote to memory of 4636	4040	25bbfa770658d79c0ae1781ae71cd733.exe	86
PID 4636 wrote to memory of 3264	4636	y3729400.exe	87
PID 4636 wrote to memory of 3264	4636	y3729400.exe	87
PID 4636 wrote to memory of 3264	4636	y3729400.exe	87
PID 4636 wrote to memory of 384	4636	y3729400.exe	89
PID 4636 wrote to memory of 384	4636	y3729400.exe	89
PID 4636 wrote to memory of 384	4636	y3729400.exe	89

C:\Users\Admin\AppData\Local\Temp\25bbfa770658d79c0ae1781ae71cd733.exe
"C:\Users\Admin\AppData\Local\Temp\25bbfa770658d79c0ae1781ae71cd733.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3729400.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3729400.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1615829.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1615829.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3264
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6325006.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6325006.exe
    3⤵
    - Executes dropped EXE
    PID:384

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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y3729400.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3729400.exe
Size 261KB
SHA256 0fa40633e4ab83eec6967ab9b3fba08a57a0aa365164c509a3b3e2f6810b36da
MD5 147c4b9b5da5ade6a4494ef55107c290
SHA1 6d2cbaadbbe502a6d325bf340c71845720adf9e4
SHA512 7c79c7035a6708b7b0de1d0a196efdc9e273a44648baa1460ce618232ed804fb7ad665f27519f3e8ae1c513ece6ccc6cf6c020d4f30b4a9bac8f4e9ab9de1739
SSDEEP 6144:K/y+bnr+0p0yN90QEk4tvE249shdBZvSEtz1mT83/YZEnE:FMr0y90FtvE9eBVPF1xQZEnE
MD5 SHA1 SHA512 SSDEEP

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y3729400.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3729400.exe
Size 261KB
SHA256 0fa40633e4ab83eec6967ab9b3fba08a57a0aa365164c509a3b3e2f6810b36da
MD5 147c4b9b5da5ade6a4494ef55107c290
SHA1 6d2cbaadbbe502a6d325bf340c71845720adf9e4
SHA512 7c79c7035a6708b7b0de1d0a196efdc9e273a44648baa1460ce618232ed804fb7ad665f27519f3e8ae1c513ece6ccc6cf6c020d4f30b4a9bac8f4e9ab9de1739
SSDEEP 6144:K/y+bnr+0p0yN90QEk4tvE249shdBZvSEtz1mT83/YZEnE:FMr0y90FtvE9eBVPF1xQZEnE
MD5 SHA1 SHA512 SSDEEP

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k1615829.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1615829.exe
Size 96KB
SHA256 cd70824f130d68d476d9c1ab5309b017e4064a26a0089e540a294f52addd04a2
MD5 b9c619ba77be6022ca066b687367b750
SHA1 0156018a6f6a2d8e6f291e2460a5ed73ce7d8549
SHA512 7160bf9a3697dc9cf919748950ea1d2b381f6bc2fcc440631ca573a253de0809582059c91d59382ede3424f50c5af624bc8eb0a7ab8054ced714a4e28dad355c
SSDEEP 1536:l0FCaWrB3HHroX9HkYi21uHuhLDbyFopITHTnC7qQwH7PxM:OgTtXUtrzkuZDbyCI7TnCejxM
MD5 SHA1 SHA512 SSDEEP

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k1615829.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1615829.exe
Size 96KB
SHA256 cd70824f130d68d476d9c1ab5309b017e4064a26a0089e540a294f52addd04a2
MD5 b9c619ba77be6022ca066b687367b750
SHA1 0156018a6f6a2d8e6f291e2460a5ed73ce7d8549
SHA512 7160bf9a3697dc9cf919748950ea1d2b381f6bc2fcc440631ca573a253de0809582059c91d59382ede3424f50c5af624bc8eb0a7ab8054ced714a4e28dad355c
SSDEEP 1536:l0FCaWrB3HHroX9HkYi21uHuhLDbyFopITHTnC7qQwH7PxM:OgTtXUtrzkuZDbyCI7TnCejxM
MD5 SHA1 SHA512 SSDEEP

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l6325006.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6325006.exe
Size 257KB
SHA256 a91f68937fee3c3f700f9d1b78a8a81553458048725a53f0845ba9e4a9a83725
MD5 3149e625fa75a0b08c68ea1e2f41f9ed
SHA1 658279bc9fc63000bbcc9f21852dd360b29f3699
SHA512 ce4630052fe06b929825f612650598c03568a5b2334fda99cb45621ec32f4e32dea8c2c23f5eb9a064f0ac46b2a50ac40c79e7d544acf516570a57140d9e2c97
SSDEEP 6144:pR60vTp+ly2WtzH7NrIrBJjvft5LZFL92hUPEIXa:pR60bIYR0vfjZZ92hUi
MD5 SHA1 SHA512 SSDEEP

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l6325006.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6325006.exe
Size 257KB
SHA256 a91f68937fee3c3f700f9d1b78a8a81553458048725a53f0845ba9e4a9a83725
MD5 3149e625fa75a0b08c68ea1e2f41f9ed
SHA1 658279bc9fc63000bbcc9f21852dd360b29f3699
SHA512 ce4630052fe06b929825f612650598c03568a5b2334fda99cb45621ec32f4e32dea8c2c23f5eb9a064f0ac46b2a50ac40c79e7d544acf516570a57140d9e2c97
SSDEEP 6144:pR60vTp+ly2WtzH7NrIrBJjvft5LZFL92hUPEIXa:pR60bIYR0vfjZZ92hUi
MD5 SHA1 SHA512 SSDEEP

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memory/384-162-0x00000000004B0000-0x00000000004E0000-memory.dmp

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memory/384-167-0x0000000004BF0000-0x0000000005208000-memory.dmp

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memory/384-168-0x0000000005210000-0x000000000531A000-memory.dmp

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memory/384-169-0x0000000005340000-0x0000000005352000-memory.dmp

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memory/384-170-0x0000000005360000-0x000000000539C000-memory.dmp

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memory/384-171-0x0000000002480000-0x0000000002490000-memory.dmp

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memory/384-172-0x0000000002480000-0x0000000002490000-memory.dmp

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memory/3264-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/4040-133-0x0000000000490000-0x0000000000504000-memory.dmp

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