redline | ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550

General

Target

ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe
Size

316KB
MD5

4c63d672e0334e8b80b64bdf39a4e360
SHA1

16076404a98d62e0122b883269262d71d2cdb68f
SHA256

ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550
SHA512

95dd12136005162b7e3ec7095078ebb9b9f7868792095d235a87eec79b213895d1a104c390c3caf4495751509feab6b35ff3e11c9f48c8ee8fa207b5fd99eca2
SSDEEP

6144:K2y+bnr+Fp0yN90QEN6vZrMgXGma0+qSNF1liGHpXZ7G:qMrRy90PmNRGfN3pk

Score

10^/10

redline mixa discovery evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a7985599.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a7985599.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a7985599.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a7985599.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a7985599.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a7985599.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
behavioral1/files/0x0007000000023cb8-47.dat	family_redline
behavioral1/memory/636-50-0x00000000004F0000-0x000000000051E000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4400	a7985599.exe
636	b1981600.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	a7985599.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a7985599.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\\\""	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7985599.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1981600.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4400	a7985599.exe
4400	a7985599.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4400	a7985599.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4400	2500	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe	86
PID 2500 wrote to memory of 4400	2500	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe	86
PID 2500 wrote to memory of 4400	2500	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe	86
PID 2500 wrote to memory of 636	2500	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe	92
PID 2500 wrote to memory of 636	2500	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe	92
PID 2500 wrote to memory of 636	2500	ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe	92

C:\Users\Admin\AppData\Local\Temp\ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe
"C:\Users\Admin\AppData\Local\Temp\ec67fdd78f722e8e1fcb1788300fe71d4ed9b8a58203e920a95a09ca90015550N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a7985599.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a7985599.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4400
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1981600.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1981600.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a7985599.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1981600.exe

Filesize
168KB

MD5
14d48c774e2c2dda97cc1c1a43a571e0

SHA1
5a7f86a24d066270b0151f5654e478713970c4a3

SHA256
ca661c5c80b2262a6dc50aa04fed11a756537d44daf8ebdc729c1bc73cef6bdf

SHA512
62932b7c21d1ee3ab7c73bf950c8f15cf9ae730354d12258b77e32239cc6be028807388b71bef0b9c3cb0ca6eb1d334e10a575b3af7cf1336b204b82d6bfb9db

Download Submit
memory/636-57-0x0000000004F40000-0x0000000004F8C000-memory.dmp

Filesize
304KB

Download
memory/636-56-0x0000000004DD0000-0x0000000004E0C000-memory.dmp

Filesize
240KB

Download
memory/636-55-0x0000000074970000-0x0000000074A1B000-memory.dmp

Filesize
684KB

Download
memory/636-54-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/636-53-0x0000000005050000-0x000000000515A000-memory.dmp

Filesize
1.0MB

Download
memory/636-52-0x0000000005560000-0x0000000005B78000-memory.dmp

Filesize
6.1MB

Download
memory/636-51-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/636-50-0x00000000004F0000-0x000000000051E000-memory.dmp

Filesize
184KB

Download
memory/636-49-0x0000000074970000-0x0000000074A1B000-memory.dmp

Filesize
684KB

Download
memory/4400-38-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-43-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4400-33-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-31-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-28-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-26-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-24-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-22-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-20-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-16-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-14-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-13-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-42-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4400-34-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-45-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4400-36-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-41-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4400-40-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-18-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4400-12-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/4400-11-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4400-10-0x00000000049F0000-0x0000000004F94000-memory.dmp

Filesize
5.6MB

Download
memory/4400-9-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4400-8-0x0000000002380000-0x000000000239E000-memory.dmp

Filesize
120KB

Download
memory/4400-7-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads