redline | 6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf

General

Target

6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe
Size

476KB
MD5

b1b633fe7ca1524962137ea757adec62
SHA1

c1317fc7aa0ce3d19f3fc5c0315ed0174d443b7a
SHA256

6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf
SHA512

a8f3f85bde51d13170ce9e93789a30a7eb91ad405e248237bcabb454a38700902c271dea44d1d8cbc0c96434e55722d75cf8d911f67986d88280f253f601b1be
SSDEEP

12288:IMr4y90n+i7AFIp+O8RLNUNs/YXz3R7ny:AyG+ikFI01m+gj3Q

Score

10^/10

redline fuka discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fuka

C2

193.233.20.11:4131

Attributes

auth_value
90eef520554ef188793d77ecc34217bf

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
behavioral1/files/0x000b000000023b9c-12.dat	family_redline
behavioral1/memory/3544-15-0x0000000000680000-0x00000000006B2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2036	dAY84.exe
3544	aAU37.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\\\""	6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.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\\\""	dAY84.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	6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dAY84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aAU37.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2036	1684	6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe	83
PID 1684 wrote to memory of 2036	1684	6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe	83
PID 1684 wrote to memory of 2036	1684	6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe	83
PID 2036 wrote to memory of 3544	2036	dAY84.exe	84
PID 2036 wrote to memory of 3544	2036	dAY84.exe	84
PID 2036 wrote to memory of 3544	2036	dAY84.exe	84

C:\Users\Admin\AppData\Local\Temp\6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe
"C:\Users\Admin\AppData\Local\Temp\6375205559deea21112e859efd08e4b27273b679a51199980bad552006eb4fdf.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dAY84.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dAY84.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aAU37.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aAU37.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3544

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\dAY84.exe

Filesize
202KB

MD5
ad8d7ecc3fd2f24a48dd0cd1f32049ec

SHA1
4e20e330947423543d94c4c852892f579e04015f

SHA256
12d74eee69b3fa47cffd37875c7989e1a1a369e1c0c3bb921b060f08e2670f58

SHA512
a070bacd002da77fa77ef6db0081a8d6cf8532f42060aef5c963734b97efd41bc028beb79a5beb66c57a1180e381662678096bd8b68c5f979aeb93eccd5e3d9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aAU37.exe

Filesize
175KB

MD5
4c35cfbd12826cedb7982ab4e1763a6a

SHA1
1496bd1d1981d8bf38cf98cdd4aa47020ffe9303

SHA256
8020580744f6861a611e99ba17e92751499e4b0f013d66a103fb38c5f256bbb2

SHA512
5e55022ab3b5a49ba3695062b7db3fa920aa9e3653e52e5a556caeed2d8f217457ae472eb2cf3da32f4332fba52b9b1d4e8b42e09793c1f3bf970dcbce35566c

Download Submit
memory/3544-14-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download
memory/3544-15-0x0000000000680000-0x00000000006B2000-memory.dmp

Filesize
200KB

Download
memory/3544-16-0x0000000005650000-0x0000000005C68000-memory.dmp

Filesize
6.1MB

Download
memory/3544-17-0x0000000005160000-0x000000000526A000-memory.dmp

Filesize
1.0MB

Download
memory/3544-18-0x00000000050B0000-0x00000000050C2000-memory.dmp

Filesize
72KB

Download
memory/3544-19-0x0000000005110000-0x000000000514C000-memory.dmp

Filesize
240KB

Download
memory/3544-20-0x0000000005270000-0x00000000052BC000-memory.dmp

Filesize
304KB

Download
memory/3544-21-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads