redline | ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c

General

Target

ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe
Size

469KB
MD5

735f07a47e0700a26d3a229b708daa4d
SHA1

938d4fd9d688c7633cc5b7fb97ffb0f7c22592a7
SHA256

ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c
SHA512

dccca66b9608b321dafc9745bce249da614a84a1d2210eaf03b3ead15566c9f5d83bcdcbb4bcba47cdf829d64e1d06b8367e7449e2f3f6860017d53b60ec40b8
SSDEEP

6144:KUy+bnr+Yp0yN90QEslQie4xXjpsnv8yG9THvcKi7CiX0kLCD0Rf2fy1+b+KMlls:MMrEy90oQieScv2jRiikLAfy1xhrQ

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/0x0008000000023cb1-12.dat	family_redline
behavioral1/memory/1456-15-0x00000000000C0000-0x00000000000F2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1092	ntn39.exe
1456	blj20.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\\\""	ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.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\\\""	ntn39.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	blj20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ntn39.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 1092	3424	ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe	85
PID 3424 wrote to memory of 1092	3424	ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe	85
PID 3424 wrote to memory of 1092	3424	ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe	85
PID 1092 wrote to memory of 1456	1092	ntn39.exe	86
PID 1092 wrote to memory of 1456	1092	ntn39.exe	86
PID 1092 wrote to memory of 1456	1092	ntn39.exe	86

C:\Users\Admin\AppData\Local\Temp\ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe
"C:\Users\Admin\AppData\Local\Temp\ad559c751dc5391be00895ce78af97a9e4219953389208744b1cb786bed9759c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntn39.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntn39.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blj20.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blj20.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1456

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\ntn39.exe

Filesize
202KB

MD5
a997c0ec0275a5b1c2109cafdfff5034

SHA1
b0e48a3074e15356acf16ed556fc7c96241329d7

SHA256
e20a0a47583e4d2a553f86944592d8dc2a1181e0d1a2d3bc5c3942cb4983e414

SHA512
31519feb68228275a5ac3da529e02ce57f12352e04f3b7061356fc65fefea1af1d2ac4da14ee85ffb2ba72e95c5abc6a370ac1a4ec6628d8d1c23008008141ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\blj20.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1456-14-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/1456-15-0x00000000000C0000-0x00000000000F2000-memory.dmp

Filesize
200KB

Download
memory/1456-16-0x0000000004F70000-0x0000000005588000-memory.dmp

Filesize
6.1MB

Download
memory/1456-17-0x0000000004A60000-0x0000000004B6A000-memory.dmp

Filesize
1.0MB

Download
memory/1456-18-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1456-19-0x00000000049F0000-0x0000000004A2C000-memory.dmp

Filesize
240KB

Download
memory/1456-20-0x0000000004B70000-0x0000000004BBC000-memory.dmp

Filesize
304KB

Download
memory/1456-21-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads