redline | e7f6f5bdc43ac7d3592abd41c145023459c70f3386ead747bf12a8d4eef69995

Analysis

max time kernel
142s
max time network
155s
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 10:53

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General

Target

a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.exe
Size

769KB
MD5

8732cc39ea99d0615df368eaa4c20abc
SHA1

4141a2bf5cff04f0362e8b3ba852048bd27b793d
SHA256

a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c
SHA512

c4548dafe3362f9ae224fc9c7f70f344d1fd965fd38ac69cf274e0fc230543f4468cd016ecf6c610c8bacf5f730c3c0200d04d5c84eb11fc9a2abbd2d7f11328
SSDEEP

12288:hMruy90qIRYa76rKOTZCfFruHWUXstomukpf7YXch7QSqTkE/8lroHl:XydicKQZCFigam9fMsh7oAMAoHl

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\DisableRealtimeMonitoring = "1"	a2051526.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a2051526.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a2051526.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a2051526.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a2051526.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a2051526.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
behavioral19/files/0x0007000000023488-54.dat	family_redline
behavioral19/memory/720-56-0x0000000000290000-0x00000000002BE000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
4580	v2522644.exe
384	v0565523.exe
2116	a2051526.exe
720	b8991923.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	a2051526.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a2051526.exe

Adds Run key to start application 2 TTPs 3 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\\\""	a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.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\\\""	v2522644.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	v0565523.exe

Launches sc.exe 1 IoCs

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

pid	Process
4792	sc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2116	a2051526.exe
2116	a2051526.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	a2051526.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4580	5084	a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.exe	85
PID 5084 wrote to memory of 4580	5084	a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.exe	85
PID 5084 wrote to memory of 4580	5084	a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.exe	85
PID 4580 wrote to memory of 384	4580	v2522644.exe	86
PID 4580 wrote to memory of 384	4580	v2522644.exe	86
PID 4580 wrote to memory of 384	4580	v2522644.exe	86
PID 384 wrote to memory of 2116	384	v0565523.exe	87
PID 384 wrote to memory of 2116	384	v0565523.exe	87
PID 384 wrote to memory of 2116	384	v0565523.exe	87
PID 384 wrote to memory of 720	384	v0565523.exe	99
PID 384 wrote to memory of 720	384	v0565523.exe	99
PID 384 wrote to memory of 720	384	v0565523.exe	99

C:\Users\Admin\AppData\Local\Temp\a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.exe
"C:\Users\Admin\AppData\Local\Temp\a28e9417b361c758d0b891938a206a546508d3343b8205873f07d50ee02a0b3c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2522644.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2522644.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0565523.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0565523.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:384
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a2051526.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a2051526.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2116
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8991923.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8991923.exe
      4⤵
      Executes dropped EXE
      PID:720

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4792

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2522644.exe

Filesize
488KB

MD5
247f9586f4eb5afd06c97ca283661ab6

SHA1
9614ca472a7578dbaf82123454cc7f3ec227d631

SHA256
e50229ae810e4ca9fea69dbb2c9c964cfb85ddd1a8bd885bf8beedb496393253

SHA512
68f235922e3de20809160638b3acefaf02c0b260925ced641bb041cf8aa758077fad048fd4c06c54edbe3563b0ba96a6d86c7b763985501b7ea5a9bab89e6470

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0565523.exe

Filesize
316KB

MD5
78c5fed6720bb71a532cfc30f99a1ae3

SHA1
de307b619e6e40f9ebea86a79fd3af1b6d8f02d3

SHA256
a1fa8776d2234540b4b06a6175a58b01a25370868f808e796d7bcbfdfeacebff

SHA512
34cff8dac371277878e88971060be5df1ab7c51fa829f91ba09dba1f5e8dc119b466aba95586fd25d589f61c054f6d434a8b09176006a6a6e3e4257c70dcc5ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a2051526.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8991923.exe

Filesize
168KB

MD5
451663ed9afb726647c8db185da671ff

SHA1
5af25150891354f29a6ce1dd63609d2603adde60

SHA256
cf2e3d105554107c3585dc9540ab6f27b2ab98297c4c9076510e29da174dc50c

SHA512
8edada9a79d5b8229ca218dbcfe01267a766dc653bc855e39952dadcd97de534db61717f8f17661ab51b050517fb3d4b0d3e8464f73a1296b4e66c452d3fa2da

Download Submit
memory/720-62-0x0000000002630000-0x000000000267C000-memory.dmp

Filesize
304KB

Download
memory/720-61-0x000000000A0B0000-0x000000000A0EC000-memory.dmp

Filesize
240KB

Download
memory/720-60-0x0000000004CA0000-0x0000000004CB2000-memory.dmp

Filesize
72KB

Download
memory/720-59-0x000000000A180000-0x000000000A28A000-memory.dmp

Filesize
1.0MB

Download
memory/720-58-0x000000000A690000-0x000000000ACA8000-memory.dmp

Filesize
6.1MB

Download
memory/720-57-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/720-56-0x0000000000290000-0x00000000002BE000-memory.dmp

Filesize
184KB

Download
memory/2116-25-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-24-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-40-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-37-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-35-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-33-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-31-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-29-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-27-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-41-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-43-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-47-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-49-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-51-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-45-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/2116-23-0x00000000049A0000-0x00000000049BC000-memory.dmp

Filesize
112KB

Download
memory/2116-22-0x00000000049F0000-0x0000000004F94000-memory.dmp

Filesize
5.6MB

Download
memory/2116-21-0x0000000002170000-0x000000000218E000-memory.dmp

Filesize
120KB

Download