redline | ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f

General

Target

ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe
Size

480KB
MD5

7349809b8da55b784d4fdbd65040939e
SHA1

3734bcb44ebbeff7f9f1168236fb6db881063372
SHA256

ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f
SHA512

98288d7e7fcb7ac7305c4c17e4f381fa33b5397a5937dd061e63415ca9bf2fc2bfa6576e7b84ca00d248961e46eb0cd5e61430574d7883b99d3535ddc632a4e2
SSDEEP

6144:KHy+bnr+jp0yN90QE0V1CzfMAsAG8RmUpz/+8mmDPcV+jdxofCif62wngFtGOtZT:BMr7y90E1hAsr6L+ieiwfrIncbnT

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/0x000b000000023b79-12.dat	family_redline
behavioral1/memory/556-15-0x0000000000D00000-0x0000000000D32000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3856	nYk46.exe
556	bWu51.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\\\""	ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.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\\\""	nYk46.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	ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nYk46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bWu51.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 3856	2080	ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe	83
PID 2080 wrote to memory of 3856	2080	ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe	83
PID 2080 wrote to memory of 3856	2080	ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe	83
PID 3856 wrote to memory of 556	3856	nYk46.exe	84
PID 3856 wrote to memory of 556	3856	nYk46.exe	84
PID 3856 wrote to memory of 556	3856	nYk46.exe	84

C:\Users\Admin\AppData\Local\Temp\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe
"C:\Users\Admin\AppData\Local\Temp\ba6ff477a324541f421f240892bfc55dd21001d48f217d01a6024f5231b6cc2f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYk46.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYk46.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3856
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:556

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\nYk46.exe

Filesize
202KB

MD5
506c531aa02ce3267e1b19089deffac2

SHA1
a9a88f11dfd5edcfe3abfe7f13008b8a96e8a220

SHA256
69a72dbd0d783bd55046d3e329da5797f8e04ab91d97c9b9d9f1fe154702483d

SHA512
44a045283ff198e3d46c6cb52a1694d3081b4400b727cba9044773835f0a3b42a8d383cb4cab136ae49ab32fc58319e098915a8bb911a93b04a18733f1b5d035

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWu51.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/556-14-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download
memory/556-15-0x0000000000D00000-0x0000000000D32000-memory.dmp

Filesize
200KB

Download
memory/556-16-0x0000000005CB0000-0x00000000062C8000-memory.dmp

Filesize
6.1MB

Download
memory/556-17-0x00000000057E0000-0x00000000058EA000-memory.dmp

Filesize
1.0MB

Download
memory/556-18-0x0000000005710000-0x0000000005722000-memory.dmp

Filesize
72KB

Download
memory/556-19-0x0000000005770000-0x00000000057AC000-memory.dmp

Filesize
240KB

Download
memory/556-20-0x00000000058F0000-0x000000000593C000-memory.dmp

Filesize
304KB

Download
memory/556-21-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads