redline | 4aebbb23d160253876cc3a93c7cc31ed0c48645ae04070345bb5933ed4efee04

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 11:20

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General

Target

6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe
Size

488KB
MD5

a6eedf7cd3a83e253f03dfae2a818f7b
SHA1

e4258db32a71762702b3dfef77d8847d07d3f473
SHA256

6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd
SHA512

066edcf8e82768db19476ab355f4ba0ab8d0516fe595d998db2391a90622afe4776536459cc966820cdecb9aeef913020a17a648e9186bc6f8c6a993f4d996f5
SSDEEP

6144:Ksy+bnr+Fp0yN90QEoN5vkW6nZNNhX7PSL0pFpC/nssma0AqSPF1Hi4HpoZManUN:UMrBy90WMRzpFpS24fPrpnNyOSrC

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"	a2502029.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a2502029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a2502029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a2502029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a2502029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a2502029.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/0x000700000002342f-52.dat	family_redline
behavioral19/memory/3224-54-0x00000000008C0000-0x00000000008EE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4112	v3876221.exe
2436	a2502029.exe
3224	b6509455.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	a2502029.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a2502029.exe

Adds Run key to start application 2 TTPs 2 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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v3876221.exe
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\\\""	6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2436	a2502029.exe
2436	a2502029.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	a2502029.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 4112	1220	6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe	82
PID 1220 wrote to memory of 4112	1220	6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe	82
PID 1220 wrote to memory of 4112	1220	6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe	82
PID 4112 wrote to memory of 2436	4112	v3876221.exe	84
PID 4112 wrote to memory of 2436	4112	v3876221.exe	84
PID 4112 wrote to memory of 2436	4112	v3876221.exe	84
PID 4112 wrote to memory of 3224	4112	v3876221.exe	89
PID 4112 wrote to memory of 3224	4112	v3876221.exe	89
PID 4112 wrote to memory of 3224	4112	v3876221.exe	89

C:\Users\Admin\AppData\Local\Temp\6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe
"C:\Users\Admin\AppData\Local\Temp\6f9c093ac13bacf5ee4d2f6df94ed7894f1a56e23ae8944e372d28594a63a5fd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3876221.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3876221.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4112
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2502029.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2502029.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2436
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6509455.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6509455.exe
    3⤵
    - Executes dropped EXE
    PID:3224

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\v3876221.exe

Filesize
316KB

MD5
762643b7b23b38b8b69a3f2016aea5eb

SHA1
b58e4ec7860169d3cb0ae8e7ce32b0752e87ac73

SHA256
7eeb7d5105714891b20ada945a47c8b1144bfe9a5bfd2e9d3e958da52b062182

SHA512
bdf4929acfe47489174b9d773faeca50b61699db844a614f3e6636f1f307bc576d771c45a8a64d8de2887d66b50cbffede9bcc761c5f001a20cc8b3973bcd7c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2502029.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6509455.exe

Filesize
168KB

MD5
6f71f026679bc2ed38d3fc7f8f1e5c67

SHA1
91e1779f53ef957622c60bb269f555cdb51994f7

SHA256
5bc28bc3dc9a16d382cf704fa1069816ad106752c1589c20f593dfc60275b027

SHA512
5f4f341ddba4952e71469a164e7dd20bcddc4b55e42d21de3018cb77a26afb20713f7095993721fab0bd56269aa5144ea9dd89ecabc537e66e6662854a9ce904

Download Submit
memory/2436-25-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-16-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2436-21-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-18-0x0000000002640000-0x000000000265C000-memory.dmp

Filesize
112KB

Download
memory/2436-47-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-39-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-37-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-48-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2436-35-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-33-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-31-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-29-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-27-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-15-0x0000000000980000-0x000000000099E000-memory.dmp

Filesize
120KB

Download
memory/2436-23-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-17-0x0000000004B90000-0x0000000005134000-memory.dmp

Filesize
5.6MB

Download
memory/2436-20-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-45-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-43-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-41-0x0000000002640000-0x0000000002656000-memory.dmp

Filesize
88KB

Download
memory/2436-19-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2436-50-0x0000000073E00000-0x00000000745B0000-memory.dmp

Filesize
7.7MB

Download
memory/2436-14-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

Filesize
4KB

Download
memory/3224-54-0x00000000008C0000-0x00000000008EE000-memory.dmp

Filesize
184KB

Download
memory/3224-55-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/3224-56-0x000000000AD00000-0x000000000B318000-memory.dmp

Filesize
6.1MB

Download
memory/3224-57-0x000000000A870000-0x000000000A97A000-memory.dmp

Filesize
1.0MB

Download
memory/3224-58-0x000000000A7A0000-0x000000000A7B2000-memory.dmp

Filesize
72KB

Download
memory/3224-59-0x000000000A800000-0x000000000A83C000-memory.dmp

Filesize
240KB

Download
memory/3224-60-0x0000000004B10000-0x0000000004B5C000-memory.dmp

Filesize
304KB

Download