redline | 4de1124a0c0b201907321b44ffbad15b2e2e9ad38b6ae1a833ce56f145c5c177

Analysis

max time kernel
148s
max time network
152s
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 11:25

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General

Target

c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe
Size

316KB
MD5

7a2b8d9dbb08338b078c2270b66010c0
SHA1

c15580da05915a08bf6065adbeacbaf3dc0da348
SHA256

c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44
SHA512

33cc67f35e3da6b7cab3f2e4af72134c49c953ceb7b520628a3b219bcdd42d9ed865ad486d045364d201d33ff49caa6758ac67bb1c895e09a3615b7d9da99946
SSDEEP

6144:Kmy+bnr+Vp0yN90QE+6vZrMgXGma0+qSNF1liDHpgZ7A:mMr5y900mNRGfNmph

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

Processes:

a9826809.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a9826809.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a9826809.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a9826809.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a9826809.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a9826809.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a9826809.exe

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

RedLine payload 2 IoCs

Processes:

resource	yara_rule
behavioral24/files/0x000700000002340d-45.dat	family_redline
behavioral24/memory/1480-47-0x00000000007D0000-0x00000000007FE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

a9826809.exeb1107838.exe

pid	Process
2980	a9826809.exe
1480	b1107838.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

a9826809.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a9826809.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a9826809.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe

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\\\""	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a9826809.exe

pid	Process
2980	a9826809.exe
2980	a9826809.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a9826809.exe

description	pid	Process
Token: SeDebugPrivilege	2980	a9826809.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe

description	pid	Process	procid_target
PID 4908 wrote to memory of 2980	4908	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe	82
PID 4908 wrote to memory of 2980	4908	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe	82
PID 4908 wrote to memory of 2980	4908	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe	82
PID 4908 wrote to memory of 1480	4908	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe	94
PID 4908 wrote to memory of 1480	4908	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe	94
PID 4908 wrote to memory of 1480	4908	c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe	94

C:\Users\Admin\AppData\Local\Temp\c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe
"C:\Users\Admin\AppData\Local\Temp\c81bc7831eb8bf73d67379be4d3b03944fc18873944de10d1e02f9de54dfcc44.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9826809.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9826809.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2980
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1107838.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1107838.exe
  2⤵
  - Executes dropped EXE
  PID:1480

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9826809.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1107838.exe

Filesize
168KB

MD5
9b074dbf6ce23ddfba60f9faa15e057f

SHA1
a6dd9261a938a8191027d2431bb9d442e022ad31

SHA256
e0ea909c38ffdc9b464d0b0794a82e17d1bddf18eb39aa5f85281df57295f1bf

SHA512
ec2dc7cf8ca0cb4542e3274d1d1b25b2446f2752db1b0f88fb65314421928023a7b0e86feff633a44e8b69904e6de3e912a3bda1ef6a9a5e89db5381b8f2b662

Download Submit
memory/1480-56-0x0000000073EE0000-0x0000000073F8B000-memory.dmp

Filesize
684KB

Download
memory/1480-55-0x0000000005340000-0x000000000538C000-memory.dmp

Filesize
304KB

Download
memory/1480-54-0x00000000051B0000-0x00000000051EC000-memory.dmp

Filesize
240KB

Download
memory/1480-53-0x0000000073EE0000-0x0000000073F8B000-memory.dmp

Filesize
684KB

Download
memory/1480-52-0x0000000005150000-0x0000000005162000-memory.dmp

Filesize
72KB

Download
memory/1480-51-0x0000000005230000-0x000000000533A000-memory.dmp

Filesize
1.0MB

Download
memory/1480-50-0x0000000005740000-0x0000000005D58000-memory.dmp

Filesize
6.1MB

Download
memory/1480-48-0x0000000073EE0000-0x0000000073F8B000-memory.dmp

Filesize
684KB

Download
memory/1480-49-0x00000000050F0000-0x00000000050F6000-memory.dmp

Filesize
24KB

Download
memory/1480-47-0x00000000007D0000-0x00000000007FE000-memory.dmp

Filesize
184KB

Download
memory/2980-40-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-43-0x0000000073F30000-0x00000000746E0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-28-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-41-0x0000000073F30000-0x00000000746E0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-24-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-22-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-20-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-18-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-16-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-14-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-13-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-30-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-32-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-34-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-36-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-38-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-26-0x00000000049B0000-0x00000000049C6000-memory.dmp

Filesize
88KB

Download
memory/2980-12-0x0000000073F30000-0x00000000746E0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-10-0x0000000004B30000-0x00000000050D4000-memory.dmp

Filesize
5.6MB

Download
memory/2980-11-0x00000000049B0000-0x00000000049CC000-memory.dmp

Filesize
112KB

Download
memory/2980-9-0x0000000073F30000-0x00000000746E0000-memory.dmp

Filesize
7.7MB

Download
memory/2980-8-0x00000000022C0000-0x00000000022DE000-memory.dmp

Filesize
120KB

Download
memory/2980-7-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

Filesize
4KB

Download