redline | bd322d2b194f65294b0dae51486cfa2cd3f2b5b0c9335592501e992535c5ce3b

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2023, 08:44

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General

Target
46fbf52c93b7eed44bd54551eeafc2f7.exe
Size 525KB
Sample230703-km5xtsff88
SHA256 bd322d2b194f65294b0dae51486cfa2cd3f2b5b0c9335592501e992535c5ce3b
MD5 46fbf52c93b7eed44bd54551eeafc2f7
SHA1 95042902b78ab0077506c6c8fbbb356d733f17dd
SHA512 9815079e9e0ecfe18193e6ed4c07ec07e8956220c95511c09fcd72e22fb116769528328f2bf8750a28e4acd6a1eb87894d28ef27e8044b2856c3fc78dcaa2c9b
SSDEEP 12288:27MxvUQ2PBsNsTtvrHomOd3WShifTJxalXDOVe:27MxvYQATHo73TCxSt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

redline andre evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

andre

77.91.124.49:19073

Attributes

auth_value
8e5522dc6bdb7e288797bc46c2687b12

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/632-153-0x00000000001F0000-0x00000000001FA000-memory.dmp	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	k3994081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k3994081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k3994081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k3994081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k3994081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k3994081.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
4536	y0821034.exe
632	k3994081.exe
3676	l6392258.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	k3994081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k3994081.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\\\""	46fbf52c93b7eed44bd54551eeafc2f7.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y0821034.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\\\""	y0821034.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	46fbf52c93b7eed44bd54551eeafc2f7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
632	k3994081.exe
632	k3994081.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	k3994081.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 4536	2020	46fbf52c93b7eed44bd54551eeafc2f7.exe	86
PID 2020 wrote to memory of 4536	2020	46fbf52c93b7eed44bd54551eeafc2f7.exe	86
PID 2020 wrote to memory of 4536	2020	46fbf52c93b7eed44bd54551eeafc2f7.exe	86
PID 4536 wrote to memory of 632	4536	y0821034.exe	87
PID 4536 wrote to memory of 632	4536	y0821034.exe	87
PID 4536 wrote to memory of 632	4536	y0821034.exe	87
PID 4536 wrote to memory of 3676	4536	y0821034.exe	92
PID 4536 wrote to memory of 3676	4536	y0821034.exe	92
PID 4536 wrote to memory of 3676	4536	y0821034.exe	92

C:\Users\Admin\AppData\Local\Temp\46fbf52c93b7eed44bd54551eeafc2f7.exe
"C:\Users\Admin\AppData\Local\Temp\46fbf52c93b7eed44bd54551eeafc2f7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0821034.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0821034.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3994081.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3994081.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:632
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6392258.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6392258.exe
    3⤵
    - Executes dropped EXE
    PID:3676

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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y0821034.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0821034.exe
Size 263KB
SHA256 a700ea7a0ebf3c15022b281d7088aa53b35ec9b25c3118a07b6029765e32dcd7
MD5 37528237985bdd97637f3bd4b922fde2
SHA1 ea0a36a92de3b3640ecfa04d5acce1cc9fa3f22b
SHA512 1d22d47a10b132dd2984b02a00fb9c9e26af77763751cded86f5b2489667089a7b00725ebecb29a311efc47212b74a6f3cf332da64a8b19440e07ea792d2555d
SSDEEP 6144:K7y+bnr+Kp0yN90QE3yxPBFcehxBIkg2z6dDY:FMr+y90yI2xz6dM
MD5 SHA1 SHA512 SSDEEP

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y0821034.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0821034.exe
Size 263KB
SHA256 a700ea7a0ebf3c15022b281d7088aa53b35ec9b25c3118a07b6029765e32dcd7
MD5 37528237985bdd97637f3bd4b922fde2
SHA1 ea0a36a92de3b3640ecfa04d5acce1cc9fa3f22b
SHA512 1d22d47a10b132dd2984b02a00fb9c9e26af77763751cded86f5b2489667089a7b00725ebecb29a311efc47212b74a6f3cf332da64a8b19440e07ea792d2555d
SSDEEP 6144:K7y+bnr+Kp0yN90QE3yxPBFcehxBIkg2z6dDY:FMr+y90yI2xz6dM
MD5 SHA1 SHA512 SSDEEP

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k3994081.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3994081.exe
Size 100KB
SHA256 3819305682f7718d6f1bd73d2bdcc8bf4c54f2f55d1dedaa3f9039b36ad7d011
MD5 7e428e6bf365acacb0fd303c3f55d681
SHA1 2f5b31507c6254dc29452f6ae4a222566e45a268
SHA512 0ffdb98d566b5c43e2eab3e5e9fec77b05306ce5c6f948ab5a7e0900ca6c5863cc2b5cbffc56bb4428f3de4e89ce50498f636dbcebb782f7c4407b884d1422d7
SSDEEP 1536:ZvyL6CeVocgUWCczpJHTCkEX6EkcHW1nHtyE/3JX4LSSp7qQwH7PxE:dW6C2ocgUWCmKkQ7cHtyEdSSSpejxE
MD5 SHA1 SHA512 SSDEEP

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k3994081.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3994081.exe
Size 100KB
SHA256 3819305682f7718d6f1bd73d2bdcc8bf4c54f2f55d1dedaa3f9039b36ad7d011
MD5 7e428e6bf365acacb0fd303c3f55d681
SHA1 2f5b31507c6254dc29452f6ae4a222566e45a268
SHA512 0ffdb98d566b5c43e2eab3e5e9fec77b05306ce5c6f948ab5a7e0900ca6c5863cc2b5cbffc56bb4428f3de4e89ce50498f636dbcebb782f7c4407b884d1422d7
SSDEEP 1536:ZvyL6CeVocgUWCczpJHTCkEX6EkcHW1nHtyE/3JX4LSSp7qQwH7PxE:dW6C2ocgUWCmKkQ7cHtyEdSSSpejxE
MD5 SHA1 SHA512 SSDEEP

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l6392258.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6392258.exe
Size 262KB
SHA256 b84b5b683bf8e209242ae5c97ebd6909db69703fcb46ebae42a06d7104f6c2c1
MD5 0570c0abc43d4d53a4ea939950186b83
SHA1 fc7b7246979645e36eb61da8d8b453cae7208054
SHA512 5abbc8d9e23a09064f176f619cbdd207b00ebd44b5070680caf33b422a157402b3f0e26919a42e0a177c12ef1c0423fbb4271c9267947181043b975e5fb99649
SSDEEP 3072:7os1hdp44QGc4kgItyJhVbyLNLd7m4tJOyXSwl2vTyf2uV+r5y7ZwYWW33pejxM:747Ikg/IpLdC4t8yXzU7mQ0lhD
MD5 SHA1 SHA512 SSDEEP

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l6392258.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6392258.exe
Size 262KB
SHA256 b84b5b683bf8e209242ae5c97ebd6909db69703fcb46ebae42a06d7104f6c2c1
MD5 0570c0abc43d4d53a4ea939950186b83
SHA1 fc7b7246979645e36eb61da8d8b453cae7208054
SHA512 5abbc8d9e23a09064f176f619cbdd207b00ebd44b5070680caf33b422a157402b3f0e26919a42e0a177c12ef1c0423fbb4271c9267947181043b975e5fb99649
SSDEEP 3072:7os1hdp44QGc4kgItyJhVbyLNLd7m4tJOyXSwl2vTyf2uV+r5y7ZwYWW33pejxM:747Ikg/IpLdC4t8yXzU7mQ0lhD
MD5 SHA1 SHA512 SSDEEP

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memory/632-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/2020-133-0x0000000002230000-0x00000000022A2000-memory.dmp

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memory/3676-162-0x0000000000560000-0x0000000000590000-memory.dmp

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memory/3676-167-0x000000000A190000-0x000000000A7A8000-memory.dmp

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memory/3676-168-0x000000000A7B0000-0x000000000A8BA000-memory.dmp

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memory/3676-169-0x0000000004DD0000-0x0000000004DE2000-memory.dmp

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memory/3676-170-0x000000000A8C0000-0x000000000A8FC000-memory.dmp

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memory/3676-171-0x0000000004E00000-0x0000000004E10000-memory.dmp

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memory/3676-172-0x0000000004E00000-0x0000000004E10000-memory.dmp

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