redline | da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a

General

Target

da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe
Size

477KB
MD5

f4a3c1ce76636a0a57476ac2194d1250
SHA1

0877b529d412d09b414ef88f3010d6b9b88c27ec
SHA256

da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a
SHA512

2a219e241d60461a57db522aa47fccfd8584393c3c4b10aa485f8355c35b274195985b3fb03acfa896a43c20ad1c81f915e7925e51a339a2bbeb0ec3e9d5427a
SSDEEP

6144:Kjy+bnr+4p0yN90QEGK8BnRtv+znHLM0M19dBLuJsWnZrFd4YICOe/KEvAhxbAew:lMr8y90YDBRuHBnJzrf4LCH/zu8UM3/

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

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/0x0008000000023cad-12.dat	family_redline
behavioral1/memory/2208-15-0x00000000008B0000-0x00000000008E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3780	nLC83.exe
2208	bJz49.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\\\""	da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.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\\\""	nLC83.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	da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nLC83.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bJz49.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 3780	2632	da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe	83
PID 2632 wrote to memory of 3780	2632	da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe	83
PID 2632 wrote to memory of 3780	2632	da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe	83
PID 3780 wrote to memory of 2208	3780	nLC83.exe	85
PID 3780 wrote to memory of 2208	3780	nLC83.exe	85
PID 3780 wrote to memory of 2208	3780	nLC83.exe	85

C:\Users\Admin\AppData\Local\Temp\da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe
"C:\Users\Admin\AppData\Local\Temp\da9c9f39ebce0dceae24b0d3a1cefcd5bf95b5a41d2d49cd4b1c02cab53deb4a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLC83.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLC83.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3780
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bJz49.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bJz49.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2208

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLC83.exe

Filesize
202KB

MD5
92e7af0efb61e116a34bd9919ba5cf7a

SHA1
ccf9c149fb6b5062fd1178e9ff8836b2d364ea8e

SHA256
3aa75c0306f0c0f8059d6f081e7e0286922a09df0a6f2313a694948a75ac4279

SHA512
9f77fd8a161ebc4b78dec74ae598ca7d46b08130f6dcfc482f4ff5d50b90ef839bf0b8dcefb5a91e238ca827f8bea0d9dc2ea49095230e2decb1d1b589f10cdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bJz49.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2208-14-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2208-15-0x00000000008B0000-0x00000000008E2000-memory.dmp

Filesize
200KB

Download
memory/2208-16-0x0000000005900000-0x0000000005F18000-memory.dmp

Filesize
6.1MB

Download
memory/2208-17-0x00000000053F0000-0x00000000054FA000-memory.dmp

Filesize
1.0MB

Download
memory/2208-18-0x00000000052E0000-0x00000000052F2000-memory.dmp

Filesize
72KB

Download
memory/2208-19-0x0000000005340000-0x000000000537C000-memory.dmp

Filesize
240KB

Download
memory/2208-20-0x0000000005380000-0x00000000053CC000-memory.dmp

Filesize
304KB

Download
memory/2208-21-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads