redline | fb68898fc1ee1968d2f438649408cbb8854551c7efa6458a5175c462f02fda63

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 18:50

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General

Target

4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.exe
Size

1.1MB
MD5

151af4f44e3d6b1ac8116b1679624dee
SHA1

dddcc75275ace2a92c71c3c9d2becfeb86fb4ce1
SHA256

4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25
SHA512

ca05d5b82d1cdb202288f338e4eaac950fe26cce01c5ce2bfbc67a27ea8e476893b6fc59393aa942b57b4fd4ee89b1124fc9029c13bc7eb24f7fe725ced77c5c
SSDEEP

24576:Fyz+Ur2zG77uKCEAJM4lNvgEiew8fqAuEPeCuw0XJ/KrdMNszXwqs+1:gMzGPuKCEAJJl8Wfqcz0FqdMObwy

Score

10^/10

redline mrak infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

mrak

77.91.124.82:19071

Attributes

auth_value
7d9a335ab5dfd42d374867c96fe25302

Signatures

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral8/files/0x0007000000023420-24.dat	family_redline
behavioral8/memory/2332-26-0x0000000000700000-0x0000000000730000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	l9604498.exe
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	saves.exe

Executes dropped EXE 7 IoCs

pid	Process
3712	y0141765.exe
2164	l9604498.exe
432	saves.exe
2332	n8917967.exe
4036	saves.exe
3132	saves.exe
1876	saves.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.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\\\""	y0141765.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1020	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 3712	768	4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.exe	84
PID 768 wrote to memory of 3712	768	4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.exe	84
PID 768 wrote to memory of 3712	768	4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.exe	84
PID 3712 wrote to memory of 2164	3712	y0141765.exe	85
PID 3712 wrote to memory of 2164	3712	y0141765.exe	85
PID 3712 wrote to memory of 2164	3712	y0141765.exe	85
PID 2164 wrote to memory of 432	2164	l9604498.exe	86
PID 2164 wrote to memory of 432	2164	l9604498.exe	86
PID 2164 wrote to memory of 432	2164	l9604498.exe	86
PID 3712 wrote to memory of 2332	3712	y0141765.exe	87
PID 3712 wrote to memory of 2332	3712	y0141765.exe	87
PID 3712 wrote to memory of 2332	3712	y0141765.exe	87
PID 432 wrote to memory of 1020	432	saves.exe	88
PID 432 wrote to memory of 1020	432	saves.exe	88
PID 432 wrote to memory of 1020	432	saves.exe	88
PID 432 wrote to memory of 1268	432	saves.exe	89
PID 432 wrote to memory of 1268	432	saves.exe	89
PID 432 wrote to memory of 1268	432	saves.exe	89
PID 1268 wrote to memory of 2044	1268	cmd.exe	92
PID 1268 wrote to memory of 2044	1268	cmd.exe	92
PID 1268 wrote to memory of 2044	1268	cmd.exe	92
PID 1268 wrote to memory of 4800	1268	cmd.exe	93
PID 1268 wrote to memory of 4800	1268	cmd.exe	93
PID 1268 wrote to memory of 4800	1268	cmd.exe	93
PID 1268 wrote to memory of 1632	1268	cmd.exe	94
PID 1268 wrote to memory of 1632	1268	cmd.exe	94
PID 1268 wrote to memory of 1632	1268	cmd.exe	94
PID 1268 wrote to memory of 3532	1268	cmd.exe	95
PID 1268 wrote to memory of 3532	1268	cmd.exe	95
PID 1268 wrote to memory of 3532	1268	cmd.exe	95
PID 1268 wrote to memory of 512	1268	cmd.exe	96
PID 1268 wrote to memory of 512	1268	cmd.exe	96
PID 1268 wrote to memory of 512	1268	cmd.exe	96
PID 1268 wrote to memory of 2364	1268	cmd.exe	97
PID 1268 wrote to memory of 2364	1268	cmd.exe	97
PID 1268 wrote to memory of 2364	1268	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.exe
"C:\Users\Admin\AppData\Local\Temp\4fe5ee134e6a340110e2fe9b3471372154b727e90d980f5660e2c7d24f779f25.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0141765.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0141765.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3712
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l9604498.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l9604498.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
      "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:432
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
        5⤵
        Creates scheduled task(s)
        
        PID:1020
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1268
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:2044
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:N"
        6⤵
        
        PID:4800
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "saves.exe" /P "Admin:R" /E
        6⤵
        
        PID:1632
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:3532
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:N"
        6⤵
        
        PID:512
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\b40d11255d" /P "Admin:R" /E
        6⤵
        
        PID:2364
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n8917967.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n8917967.exe
    3⤵
    - Executes dropped EXE
    PID:2332

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:4036

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:3132

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0141765.exe

Filesize
331KB

MD5
284019e866fcc617fadf3f1127272ebc

SHA1
f5d511cadcf786965c41af241a2b490e551aeee6

SHA256
0b012f090e967591c55445dc68fa319e73286228dfdd36f315e442f2e455d6e2

SHA512
31e4a2bc21ca8260af40624edb26c0f61b17e483d22940c83780b2e994d785bb0ab0a5de77f081c3b8b82a5a036bcb332f1cb63cd292931dec75ae15e5d561d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n8917967.exe

Filesize
174KB

MD5
3cd0b334d636c3135ed718878a8a12ba

SHA1
74a695cd459f1a602f1c71bdcc716c0c93142044

SHA256
04571ab6f7382e50c0403a268f3c2ff34d7699e7a19941890f0c86db54249ef8

SHA512
8be2ea763312f75cd25ad742d2cc5583897ba10d942fba391eeea346f3cee6840ca3d23f8b1783c7358eb6f4aa7b4932334d2b7445bf0ccf2831a40399a70816

Download Submit
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe

Filesize
337KB

MD5
4bac745f5317325b0f935ea6df1d5011

SHA1
ee54f4777fc6efae643cebc9ac35f03190e97d84

SHA256
829dd5c6b211536bf5c07a6aef2da9231ac8d293a535e6300d3907cf8790c6a2

SHA512
a5a4f5389e22b6b1e550e3916cf31beac76ab06c33bdc3ea5b0775ce1500e39dbfaf3d65e7def0b24d38099e5014ee0771f33f09363d4ea52e9970238dafb93a

Download Submit
memory/2332-26-0x0000000000700000-0x0000000000730000-memory.dmp

Filesize
192KB

Download
memory/2332-27-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/2332-29-0x00000000052E0000-0x00000000053EA000-memory.dmp

Filesize
1.0MB

Download
memory/2332-28-0x00000000057F0000-0x0000000005E08000-memory.dmp

Filesize
6.1MB

Download
memory/2332-30-0x00000000051D0000-0x00000000051E2000-memory.dmp

Filesize
72KB

Download
memory/2332-31-0x0000000005230000-0x000000000526C000-memory.dmp

Filesize
240KB

Download
memory/2332-32-0x0000000005270000-0x00000000052BC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads