healer | 53de62bfe96016a8303e98a3a9fbaeb60c2f3f007375c348cea2c5d2575def10

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
19/07/2023, 17:26

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General

Target
0bc518d770019fcd61f8b2026db429ae.exe
Size 389KB
Sample230719-vzvbzaaa64
SHA256 53de62bfe96016a8303e98a3a9fbaeb60c2f3f007375c348cea2c5d2575def10
MD5 0bc518d770019fcd61f8b2026db429ae
SHA1 3cd54036ee6b74982b1caf523c2cb9585b20f7f6
SHA512 8dcd3b6582e8b1bbca2e31b88b3426efc92e1a11fddb89f9fb67b91386f2ec90ed4233065e9fdc2f5476bc113120cd229324b26cd4e1badc0f18fa61070ab6ab
SSDEEP 6144:Kyy+bnr+ap0yN90QEZNK3it+zIBj5DY7MuVD7mSoURMuZT0FN9oE7d1p83xDs5:uMrWy90qiVlY7MsDSSowMuINuEm1C
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline nasa dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

nasa

77.91.68.68:19071

Attributes

auth_value
6da71218d8a9738ea3a9a78b5677589b

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231cd-145.dat	healer
behavioral2/files/0x00080000000231cd-146.dat	healer
behavioral2/memory/3032-147-0x0000000000EF0000-0x0000000000EFA000-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\Policies\Microsoft\Windows Defender\Real-Time Protection	p4618726.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	p4618726.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	p4618726.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	p4618726.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	p4618726.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	p4618726.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
3648	z2705983.exe
3032	p4618726.exe
2280	r4061370.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	p4618726.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	0bc518d770019fcd61f8b2026db429ae.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\\\""	0bc518d770019fcd61f8b2026db429ae.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	z2705983.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\\\""	z2705983.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3032	p4618726.exe
3032	p4618726.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	p4618726.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 3648	4724	0bc518d770019fcd61f8b2026db429ae.exe	85
PID 4724 wrote to memory of 3648	4724	0bc518d770019fcd61f8b2026db429ae.exe	85
PID 4724 wrote to memory of 3648	4724	0bc518d770019fcd61f8b2026db429ae.exe	85
PID 3648 wrote to memory of 3032	3648	z2705983.exe	86
PID 3648 wrote to memory of 3032	3648	z2705983.exe	86
PID 3648 wrote to memory of 2280	3648	z2705983.exe	92
PID 3648 wrote to memory of 2280	3648	z2705983.exe	92
PID 3648 wrote to memory of 2280	3648	z2705983.exe	92

C:\Users\Admin\AppData\Local\Temp\0bc518d770019fcd61f8b2026db429ae.exe
"C:\Users\Admin\AppData\Local\Temp\0bc518d770019fcd61f8b2026db429ae.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2705983.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2705983.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4618726.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4618726.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3032
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4061370.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4061370.exe
    3⤵
    - Executes dropped EXE
    PID:2280

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

z2705983.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2705983.exe
Size 206KB
SHA256 739ae4bbf4df5ae972792dd3187323af85df0b4ffbf2ed6188f216aea15b7122
MD5 3d171e66427a2c5a6ca2966b0537d8b5
SHA1 1eea0761454c26dce337042594cdee730cd1c43f
SHA512 8307a3e9f867ae5eb4c83cbeb73fb6da28f05347e83ae2ba4274275572d2ece436bf2b455893757a26a3cdd555cf8abe4c240c623ce5880660de0879f462367a
SSDEEP 3072:Kvy+bnr+O1y5GWp1icKAArDZz4N9GhbkrNEk16zBsCiodEgioSTY6Vrs+iwGIFx2:Kvy+bnr+Rp0yN90QENdCO1XIJn
MD5 SHA1 SHA512 SSDEEP

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z2705983.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2705983.exe
Size 206KB
SHA256 739ae4bbf4df5ae972792dd3187323af85df0b4ffbf2ed6188f216aea15b7122
MD5 3d171e66427a2c5a6ca2966b0537d8b5
SHA1 1eea0761454c26dce337042594cdee730cd1c43f
SHA512 8307a3e9f867ae5eb4c83cbeb73fb6da28f05347e83ae2ba4274275572d2ece436bf2b455893757a26a3cdd555cf8abe4c240c623ce5880660de0879f462367a
SSDEEP 3072:Kvy+bnr+O1y5GWp1icKAArDZz4N9GhbkrNEk16zBsCiodEgioSTY6Vrs+iwGIFx2:Kvy+bnr+Rp0yN90QENdCO1XIJn
MD5 SHA1 SHA512 SSDEEP

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p4618726.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4618726.exe
Size 14KB
SHA256 511a744145090842eb47693ac071b4939740d19db9933538e9862ded7c03b41d
MD5 51ff43317df849331b63af7ec5612bd2
SHA1 1ce2ca0059352b1294ea8d13cb858f7ae8acf73f
SHA512 812dd3fbe6a064d280529bd68cec4617d8003c0c4a06a1ca3acb911138878bd4bae941e57850fee1ea79236d789490157292a0f988720d74851dad8630394968
SSDEEP 96:yA/vMth9sDLibql3A44P9QL4fwmPImg+A03PvXLOzk+gqWYV4J6oP/zNt:yw+wGWt94+iANiCkc4Jhp
MD5 SHA1 SHA512 SSDEEP

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p4618726.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4618726.exe
Size 14KB
SHA256 511a744145090842eb47693ac071b4939740d19db9933538e9862ded7c03b41d
MD5 51ff43317df849331b63af7ec5612bd2
SHA1 1ce2ca0059352b1294ea8d13cb858f7ae8acf73f
SHA512 812dd3fbe6a064d280529bd68cec4617d8003c0c4a06a1ca3acb911138878bd4bae941e57850fee1ea79236d789490157292a0f988720d74851dad8630394968
SSDEEP 96:yA/vMth9sDLibql3A44P9QL4fwmPImg+A03PvXLOzk+gqWYV4J6oP/zNt:yw+wGWt94+iANiCkc4Jhp
MD5 SHA1 SHA512 SSDEEP

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r4061370.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4061370.exe
Size 172KB
SHA256 f41d5e0530fa4487c3c6691984628f7458502321be94eb4b0cd7bea00be7ec09
MD5 03edff473baab8f675cbbbbc06801de4
SHA1 f496f024aeeb320881944c9d568c5db7ddf9f198
SHA512 daf5d942a6972441d5c81627de264bb218b8f60a915162889deab56f98b8b01f2d5378c606ec38b6a6a7ec433407e7fa29a1d5c6025e2ce20915d35d9951fab8
SSDEEP 3072:gciW+Zh8+WtcTIwxNm4/Lk/DWjAn8e8hJ:gciv7IJT/DWjAn
MD5 SHA1 SHA512 SSDEEP

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r4061370.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4061370.exe
Size 172KB
SHA256 f41d5e0530fa4487c3c6691984628f7458502321be94eb4b0cd7bea00be7ec09
MD5 03edff473baab8f675cbbbbc06801de4
SHA1 f496f024aeeb320881944c9d568c5db7ddf9f198
SHA512 daf5d942a6972441d5c81627de264bb218b8f60a915162889deab56f98b8b01f2d5378c606ec38b6a6a7ec433407e7fa29a1d5c6025e2ce20915d35d9951fab8
SSDEEP 3072:gciW+Zh8+WtcTIwxNm4/Lk/DWjAn8e8hJ:gciv7IJT/DWjAn
MD5 SHA1 SHA512 SSDEEP

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memory/2280-157-0x000000000AC30000-0x000000000AD3A000-memory.dmp

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memory/2280-155-0x0000000074880000-0x0000000075030000-memory.dmp

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memory/2280-154-0x0000000000C80000-0x0000000000CB0000-memory.dmp

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memory/2280-156-0x000000000B0B0000-0x000000000B6C8000-memory.dmp

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memory/2280-158-0x00000000055F0000-0x0000000005600000-memory.dmp

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memory/2280-159-0x000000000AB70000-0x000000000AB82000-memory.dmp

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memory/2280-160-0x000000000ABD0000-0x000000000AC0C000-memory.dmp

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memory/2280-161-0x0000000074880000-0x0000000075030000-memory.dmp

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memory/2280-162-0x00000000055F0000-0x0000000005600000-memory.dmp

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memory/3032-150-0x00007FF97C990000-0x00007FF97D451000-memory.dmp

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memory/3032-148-0x00007FF97C990000-0x00007FF97D451000-memory.dmp

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memory/3032-147-0x0000000000EF0000-0x0000000000EFA000-memory.dmp

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