redline | fc0a70936e6485ae0ce312ce6ff394d0d21759de4bc9ea9b5e01544d951535c2

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 10:00

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General

Target

ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe
Size

316KB
MD5

473f819209e2b739e186e49c007b0500
SHA1

a0a9d81885ff41dd92727df0edea5f8956d3cc9b
SHA256

ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93
SHA512

54401da33c393750646bd884ec253603b8cfb358b66ac8da6676c06d37d14cbcc89b84656a903bded8b8f3b50e024ebfbb7411635f715c275c7d6c9bafa92a13
SSDEEP

6144:KVy+bnr+Bp0yN90QER6vZrMgXGma0+qSNF1lieHpPZ7r:jMrty90XmNRGfNfpt

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8785240.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8785240.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8785240.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8785240.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8785240.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8785240.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
behavioral25/files/0x0007000000023402-45.dat	family_redline
behavioral25/memory/3800-47-0x00000000008E0000-0x000000000090E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
512	a8785240.exe
3800	b5257898.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	a8785240.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8785240.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\\\""	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
512	a8785240.exe
512	a8785240.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	512	a8785240.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 512	4172	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe	81
PID 4172 wrote to memory of 512	4172	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe	81
PID 4172 wrote to memory of 512	4172	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe	81
PID 4172 wrote to memory of 3800	4172	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe	82
PID 4172 wrote to memory of 3800	4172	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe	82
PID 4172 wrote to memory of 3800	4172	ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe	82

C:\Users\Admin\AppData\Local\Temp\ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe
"C:\Users\Admin\AppData\Local\Temp\ea47879989afdae64e6a2fd1bdd521ed8a7eee7611d92cfa24311d7f31d22c93.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a8785240.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a8785240.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:512
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b5257898.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b5257898.exe
  2⤵
  - Executes dropped EXE
  PID:3800

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\a8785240.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b5257898.exe

Filesize
168KB

MD5
9c82d0e3f5532b2d92d444d089b0e2f4

SHA1
02ed918b046380208e03890940ed2c183537cb27

SHA256
74e2e262a4e787bb8bc5f79088998cec212ea46227691c8a9e8dc93578ac09f9

SHA512
6368b124156b610a5b83fcae9b10236eae42f7777da753a506c65519352990f032af8e7737b9a024e5a5581991a66ba7f3876699a112c8b61730400b0f10726c

Download Submit
memory/512-37-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-35-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-11-0x0000000002460000-0x000000000247C000-memory.dmp

Filesize
112KB

Download
memory/512-23-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-33-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-39-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-8-0x0000000002370000-0x000000000238E000-memory.dmp

Filesize
120KB

Download
memory/512-21-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-40-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-17-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-15-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-12-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-31-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-19-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-27-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-25-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-10-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-9-0x0000000004A10000-0x0000000004FB4000-memory.dmp

Filesize
5.6MB

Download
memory/512-29-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-13-0x0000000002460000-0x0000000002476000-memory.dmp

Filesize
88KB

Download
memory/512-41-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-43-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-7-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/3800-48-0x00000000747E0000-0x000000007488B000-memory.dmp

Filesize
684KB

Download
memory/3800-47-0x00000000008E0000-0x000000000090E000-memory.dmp

Filesize
184KB

Download
memory/3800-49-0x00000000051C0000-0x00000000051C6000-memory.dmp

Filesize
24KB

Download
memory/3800-50-0x0000000005950000-0x0000000005F68000-memory.dmp

Filesize
6.1MB

Download
memory/3800-51-0x0000000005470000-0x000000000557A000-memory.dmp

Filesize
1.0MB

Download
memory/3800-52-0x00000000053A0000-0x00000000053B2000-memory.dmp

Filesize
72KB

Download
memory/3800-53-0x00000000747E0000-0x000000007488B000-memory.dmp

Filesize
684KB

Download
memory/3800-54-0x0000000005400000-0x000000000543C000-memory.dmp

Filesize
240KB

Download
memory/3800-55-0x0000000005580000-0x00000000055CC000-memory.dmp

Filesize
304KB

Download
memory/3800-56-0x00000000747E0000-0x000000007488B000-memory.dmp

Filesize
684KB

Download