redline | 20a124ee1cdd6f9968520ee4066b866b0c8fe82a73e0121cdfc7d713c8183f67

General

Target

fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe
Size

477KB
MD5

c5660c1ebb1311c810a7d122cfd73d25
SHA1

fc70616e0d7a1a7e674ab6618c7aa195244ab341
SHA256

fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e
SHA512

89053825fb335afdf0cbd0334e84b94e8b1724a6a87dfad30c5842ebb895daa0bb3d2eeeb6303394a7231e24757648f9ae8843b457afe8067668a7f3c75e2efc
SSDEEP

6144:Kuy+bnr+jp0yN90QEOtJMQrXVLrQzb15NeWE3BE2T3HMyVwPkSzcunIQLJE2MAmK:qMrTy908tJbrtrE3E1T3PVwPkLXQXMy

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/0x0008000000023c9e-12.dat	family_redline
behavioral1/memory/2320-15-0x0000000000770000-0x00000000007A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
724	nkP02.exe
2320	bNV55.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\\\""	fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.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\\\""	nkP02.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	fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nkP02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bNV55.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 724	3884	fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe	83
PID 3884 wrote to memory of 724	3884	fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe	83
PID 3884 wrote to memory of 724	3884	fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe	83
PID 724 wrote to memory of 2320	724	nkP02.exe	84
PID 724 wrote to memory of 2320	724	nkP02.exe	84
PID 724 wrote to memory of 2320	724	nkP02.exe	84

C:\Users\Admin\AppData\Local\Temp\fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe
"C:\Users\Admin\AppData\Local\Temp\fe854ddec5c7621d98c1fc8c0ac33c67fa273783e0a37bcc360f60b6e4e5f31e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkP02.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkP02.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:724
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNV55.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNV55.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2320

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\nkP02.exe

Filesize
202KB

MD5
f0fe5545ecb18231b8f3c84a62a11e11

SHA1
b603fb39b295d4afef71ac1086adb6ef3b9f1648

SHA256
d4498d6ecd2a1e5932526dd09a88fef32d36b1e6808d516f978c1b7d513f1c45

SHA512
4c7be5865ae4c8772ba967f222defb87e87138d5c5fca4f5f76b96c8064add043b18e313517e657855e64f65e01aad8b6524db117452c184f4be1c596b4f8c89

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bNV55.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2320-14-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2320-15-0x0000000000770000-0x00000000007A2000-memory.dmp

Filesize
200KB

Download
memory/2320-16-0x00000000056F0000-0x0000000005D08000-memory.dmp

Filesize
6.1MB

Download
memory/2320-17-0x0000000005250000-0x000000000535A000-memory.dmp

Filesize
1.0MB

Download
memory/2320-18-0x0000000005180000-0x0000000005192000-memory.dmp

Filesize
72KB

Download
memory/2320-19-0x00000000051F0000-0x000000000522C000-memory.dmp

Filesize
240KB

Download
memory/2320-20-0x0000000005360000-0x00000000053AC000-memory.dmp

Filesize
304KB

Download
memory/2320-21-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads