redline | 3d804f5d47b483b6628ba2c6c24da9d45473caecfe4c14261ed06dd099564bd4

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2024, 10:56

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General

Target
41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe
Size 316KB
Sample240513-m1nltabc2w
SHA256 41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b
MD5 16cabb63db4398bd902b80d01051df13
SHA1 220095dde50d5e59c7872d132474d619bae2f102
SHA512 296f8b9a4d7c8342cfb9d21020bd5c0ec47bab5023b99097575b1662f65e22db9a66e8b991f0453e6f55f88644c161539874a0cc41a6d832ea59ffb86c8a6e16
SSDEEP 6144:Key+bnr+9p0yN90QEE6vZrMgXGma0+qSNF1li6HpbZ7W:OMrZy906mNRGfNzpY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

redline mixa evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mixa

185.161.248.75:4132

Attributes

auth_value
9d14534b25ac495ab25b59800acf3bb2

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a2353019.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a2353019.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a2353019.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a2353019.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a2353019.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a2353019.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral3/files/0x00070000000234a6-45.dat	family_redline
behavioral3/memory/2956-46-0x0000000000440000-0x000000000046E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
3008	a2353019.exe
2956	b1738226.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a2353019.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a2353019.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

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\\\""	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4436	sc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3008	a2353019.exe
3008	a2353019.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	a2353019.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 3008	2620	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe	82
PID 2620 wrote to memory of 3008	2620	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe	82
PID 2620 wrote to memory of 3008	2620	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe	82
PID 2620 wrote to memory of 2956	2620	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe	92
PID 2620 wrote to memory of 2956	2620	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe	92
PID 2620 wrote to memory of 2956	2620	41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe	92

C:\Users\Admin\AppData\Local\Temp\41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe
"C:\Users\Admin\AppData\Local\Temp\41f49fc12ffb13f29ec797f7c41b7942b73894bccf0f2a9695b04ba3ab2a3b5b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2353019.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2353019.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1738226.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1738226.exe
  2⤵
  - Executes dropped EXE
  PID:2956

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

a2353019.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a2353019.exe
Size 184KB
SHA256 a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b
MD5 d4c640fb500618ad6c9fc5fe7d3e784d
SHA1 850df0880e1685ce709b44afbbb365cab4f0fec4
SHA512 a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd
SSDEEP 3072:1DKW1LgppLRHMY0TBfJvjcTp5XmvTJT00K9ItKcHxaAixOiw:1DKW1Lgbdl0TBBvjc/mvTJKmjxue
MD5 SHA1 SHA512 SSDEEP

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b1738226.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1738226.exe
Size 168KB
SHA256 65c8b883d927fafa5127f256013764d62b7ab29c732bed09ad7f3509793a6204
MD5 a67c9f3e95b1e7753723d62c445aa4f2
SHA1 ea16554bded9b97d00ff545432f68338e372b634
SHA512 ffce2cd3ebd9925f62164f02125b44b0be80aaf15dfbf4a1a1730cbe742164da69dd389f670725bd05be890a7faabbb977fa84be8bb408494c730c11b8d1e482
SSDEEP 3072:8kmfv4r8W2qTvI2t2qVwoMTOIkvl98e8hg:gfvhZ/Rfkvl9
MD5 SHA1 SHA512 SSDEEP

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memory/2956-55-0x0000000074840000-0x00000000748EB000-memory.dmp

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memory/2956-54-0x00000000050E0000-0x000000000512C000-memory.dmp

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memory/2956-53-0x0000000004F60000-0x0000000004F9C000-memory.dmp

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memory/2956-52-0x0000000004F00000-0x0000000004F12000-memory.dmp

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memory/2956-51-0x0000000074840000-0x00000000748EB000-memory.dmp

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memory/2956-50-0x0000000004FD0000-0x00000000050DA000-memory.dmp

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memory/2956-49-0x00000000054B0000-0x0000000005AC8000-memory.dmp

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memory/2956-47-0x0000000074840000-0x00000000748EB000-memory.dmp

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memory/2956-48-0x0000000004C60000-0x0000000004C66000-memory.dmp

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memory/2956-46-0x0000000000440000-0x000000000046E000-memory.dmp

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memory/3008-39-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-27-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-23-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-17-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-15-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-13-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-12-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-31-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-30-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-25-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-42-0x0000000074890000-0x0000000075040000-memory.dmp

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memory/3008-40-0x0000000074890000-0x0000000075040000-memory.dmp

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memory/3008-33-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-35-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-37-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-19-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-21-0x0000000002650000-0x0000000002666000-memory.dmp

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memory/3008-11-0x0000000002650000-0x000000000266C000-memory.dmp

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memory/3008-10-0x0000000004B90000-0x0000000005134000-memory.dmp

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memory/3008-9-0x0000000074890000-0x0000000075040000-memory.dmp

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memory/3008-8-0x0000000002050000-0x000000000206E000-memory.dmp

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memory/3008-7-0x000000007489E000-0x000000007489F000-memory.dmp

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