redline | 1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7

General

Target

1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe
Size

469KB
MD5

e4f6558c7a9af99e2e106478627ab6a3
SHA1

ccf69f9ebfb32b0f140e55120d1d61bf46c298cf
SHA256

1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7
SHA512

2a116d9f210ba1cfa4799d316537140c8ace90a74792511ae5e9af2c398162d5ab4d7e8e92cc4ac1858a20e731dd09f5935da007d0fad0d9810d9db5dca9b739
SSDEEP

12288:vMrmy90crrSuETVtAMhvJZX3yky6cAyy0PRlCI+:FyTrM7fhvJZXw6cXyYRlCI+

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/0x000b000000023b70-12.dat	family_redline
behavioral1/memory/3996-15-0x0000000000190000-0x00000000001C2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4548	naI20.exe
3996	bPX08.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\\\""	1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.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\\\""	naI20.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	1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	naI20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bPX08.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 4548	5060	1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe	84
PID 5060 wrote to memory of 4548	5060	1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe	84
PID 5060 wrote to memory of 4548	5060	1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe	84
PID 4548 wrote to memory of 3996	4548	naI20.exe	85
PID 4548 wrote to memory of 3996	4548	naI20.exe	85
PID 4548 wrote to memory of 3996	4548	naI20.exe	85

C:\Users\Admin\AppData\Local\Temp\1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe
"C:\Users\Admin\AppData\Local\Temp\1f58d362ef1717ef58676c8f234d6d1aa84934553b68b48e8a0fbdbc051f49b7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naI20.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naI20.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPX08.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPX08.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3996

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\naI20.exe

Filesize
202KB

MD5
663bf190d1d47136c3dd4e43f6349d6e

SHA1
f2e98436d0b2adf93635265b5d27090872643e92

SHA256
6050b1f4727cc4dadb88140b642f4ae2e0220d4b14f9ae327929c44f6bab17be

SHA512
afa8537a4bacf06ac32a9391e0ec83ac5f47463c2ccdc9285b22a52f848828888d9a770b4c0546e331d10053495ac6270f6ef6a4d846998715557ed19099ca0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPX08.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3996-14-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/3996-15-0x0000000000190000-0x00000000001C2000-memory.dmp

Filesize
200KB

Download
memory/3996-16-0x0000000004FC0000-0x00000000055D8000-memory.dmp

Filesize
6.1MB

Download
memory/3996-17-0x0000000004B30000-0x0000000004C3A000-memory.dmp

Filesize
1.0MB

Download
memory/3996-18-0x0000000004A60000-0x0000000004A72000-memory.dmp

Filesize
72KB

Download
memory/3996-19-0x0000000004AC0000-0x0000000004AFC000-memory.dmp

Filesize
240KB

Download
memory/3996-20-0x0000000004C40000-0x0000000004C8C000-memory.dmp

Filesize
304KB

Download
memory/3996-21-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads