redline | b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b

General

Target

b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe
Size

480KB
MD5

1111301007c919576925646496c19986
SHA1

9f84d3ef844e593cd465a2ae1ece9c243f32d63b
SHA256

b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b
SHA512

6161ed45c92d143f80dd51c9efec30d740afceda390a24ca90085f4af57ca0c308158c611b771a06c5febef51f113d7b0861f48b100dd8f75f800423f5b2b810
SSDEEP

6144:Khy+bnr+Jp0yN90QELPIeD+OCt9V5i+Si4U1EnpGoW3/GkGeUKNXolWtR1QoTf:rMr1y90RIi7I9DSi46xoW3/vGeHXo8f

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/0x0008000000023cc1-12.dat	family_redline
behavioral1/memory/4024-15-0x0000000000D80000-0x0000000000DB2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4972	nFM48.exe
4024	bXM05.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\\\""	b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.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\\\""	nFM48.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	b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nFM48.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bXM05.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4972	1736	b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe	84
PID 1736 wrote to memory of 4972	1736	b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe	84
PID 1736 wrote to memory of 4972	1736	b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe	84
PID 4972 wrote to memory of 4024	4972	nFM48.exe	85
PID 4972 wrote to memory of 4024	4972	nFM48.exe	85
PID 4972 wrote to memory of 4024	4972	nFM48.exe	85

C:\Users\Admin\AppData\Local\Temp\b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe
"C:\Users\Admin\AppData\Local\Temp\b053d4860a6ccd3e008b6c3f4ca1b4462e8acdfb114168705eb10b53d8ce477b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFM48.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nFM48.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bXM05.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bXM05.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4024

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\nFM48.exe

Filesize
202KB

MD5
5bec15a78ee70bb540b4fd98f056b095

SHA1
5829f277eaecd1732fbeece9cfc0fd1a722f89a7

SHA256
99233e3ee6cdffda9adc772d54dc026aacbf47199d3e60e95e3211498a9bcebf

SHA512
325d854696bb025b0fd1ec06fa054852ed003f146b9a994f69f64c56f0b3f6b901ef56d185de41c2fed5f05050bce6cd90c4c562824b8ecb1e9ceded7884ce6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bXM05.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4024-14-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/4024-15-0x0000000000D80000-0x0000000000DB2000-memory.dmp

Filesize
200KB

Download
memory/4024-16-0x0000000005BD0000-0x00000000061E8000-memory.dmp

Filesize
6.1MB

Download
memory/4024-17-0x0000000005720000-0x000000000582A000-memory.dmp

Filesize
1.0MB

Download
memory/4024-18-0x0000000005650000-0x0000000005662000-memory.dmp

Filesize
72KB

Download
memory/4024-19-0x00000000056E0000-0x000000000571C000-memory.dmp

Filesize
240KB

Download
memory/4024-20-0x0000000005830000-0x000000000587C000-memory.dmp

Filesize
304KB

Download
memory/4024-21-0x00000000740FE000-0x00000000740FF000-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