redline | 8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa

General

Target

8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe
Size

477KB
MD5

02d5535399df8ab9d5235607ced407fe
SHA1

bc90681d7b4101f18b1263f5227a1172cbd3293e
SHA256

8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa
SHA512

a003924438ad839eedecdfc3e8feb5fce0900344298353f8d39ad42818526780adda352fa27926fb3a3b868bf6f4bb384b4740cfd7bcf9eda1f10cc3e6ff58f5
SSDEEP

12288:zMrsy905Jw/QVDEJedgAQLcdSx1ka8ORHKB:DyidVgeWAQLjMORqB

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/0x000b000000023b9d-12.dat	family_redline
behavioral1/memory/3220-15-0x0000000000F60000-0x0000000000F92000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2420	nDc29.exe
3220	bgz42.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\\\""	8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.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\\\""	nDc29.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	bgz42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nDc29.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 2420	3324	8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe	84
PID 3324 wrote to memory of 2420	3324	8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe	84
PID 3324 wrote to memory of 2420	3324	8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe	84
PID 2420 wrote to memory of 3220	2420	nDc29.exe	85
PID 2420 wrote to memory of 3220	2420	nDc29.exe	85
PID 2420 wrote to memory of 3220	2420	nDc29.exe	85

C:\Users\Admin\AppData\Local\Temp\8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe
"C:\Users\Admin\AppData\Local\Temp\8669409e56243e4b34c5418783f9b4c0ee6719214fbcc4296f451f51f687beaa.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nDc29.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nDc29.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgz42.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgz42.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3220

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\nDc29.exe

Filesize
202KB

MD5
0c65c35ee81f4ce19399a0375f822a7b

SHA1
a201cc643092df46d9a8456a334794b526a8b126

SHA256
e310cfa0d5f783eba8bb4b4c74ce619eb682faf640e63b15df7fee3c8a130367

SHA512
b8bfdd2830e779c0ac2f073b82558081a7110911c3b43b13ef7914130c0ea68b714cd903b55e33a71520ed9e5d00bfd8e6863386e2cb29c9365a9084852445c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bgz42.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3220-14-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/3220-15-0x0000000000F60000-0x0000000000F92000-memory.dmp

Filesize
200KB

Download
memory/3220-16-0x0000000005DA0000-0x00000000063B8000-memory.dmp

Filesize
6.1MB

Download
memory/3220-17-0x0000000005900000-0x0000000005A0A000-memory.dmp

Filesize
1.0MB

Download
memory/3220-18-0x0000000005840000-0x0000000005852000-memory.dmp

Filesize
72KB

Download
memory/3220-19-0x00000000058A0000-0x00000000058DC000-memory.dmp

Filesize
240KB

Download
memory/3220-20-0x0000000005A10000-0x0000000005A5C000-memory.dmp

Filesize
304KB

Download
memory/3220-21-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads