redline | 74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a

General

Target

74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe
Size

470KB
MD5

0b86a145a69bcb9eb03264635b83a051
SHA1

5ee5962b8de2ae8043a7081c80f770c5de920485
SHA256

74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a
SHA512

bdae126effe325ce57dac4533ba657abe8841159fc5d87c296f4abaf1eb4d612a1e04a8aed8a4f4d16d4133a6b53422681ebd9cf7ad2e58b3f2fe7aafcee25e4
SSDEEP

12288:qMrGy90ZI/kYOV6eHsVyrxJ+NsoT1PMriO8:QyKI8YE6eB2MriV

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/0x0008000000023c8f-12.dat	family_redline
behavioral1/memory/2876-15-0x00000000000B0000-0x00000000000E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1816	nmN40.exe
2876	bVQ39.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\\\""	74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.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\\\""	nmN40.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	74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nmN40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bVQ39.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1816	2488	74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe	83
PID 2488 wrote to memory of 1816	2488	74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe	83
PID 2488 wrote to memory of 1816	2488	74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe	83
PID 1816 wrote to memory of 2876	1816	nmN40.exe	84
PID 1816 wrote to memory of 2876	1816	nmN40.exe	84
PID 1816 wrote to memory of 2876	1816	nmN40.exe	84

C:\Users\Admin\AppData\Local\Temp\74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe
"C:\Users\Admin\AppData\Local\Temp\74c1cf5da41ad632afd329aa18ddadf0c3f41af57f429f185110034effa78d8a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmN40.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmN40.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVQ39.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVQ39.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2876

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\nmN40.exe

Filesize
202KB

MD5
1827eeceecf907dc751a3f233de02f71

SHA1
8f54e69da6003cc057e748880ce7c7f0246c9ae6

SHA256
ebde83982b2f89dabb337145c85241eef7371fc76ea2a3cab7c602dc09130fec

SHA512
b0f981745b6db4822de2c41487a642abfaf98a5439bdf5131f08605b51eea572e16a0e64332bbc28e5a56d187918d1ea621f48fbb53b96086899cdf29a71548f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bVQ39.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2876-14-0x0000000073D4E000-0x0000000073D4F000-memory.dmp

Filesize
4KB

Download
memory/2876-15-0x00000000000B0000-0x00000000000E2000-memory.dmp

Filesize
200KB

Download
memory/2876-16-0x0000000005020000-0x0000000005638000-memory.dmp

Filesize
6.1MB

Download
memory/2876-17-0x0000000004B90000-0x0000000004C9A000-memory.dmp

Filesize
1.0MB

Download
memory/2876-18-0x0000000004AC0000-0x0000000004AD2000-memory.dmp

Filesize
72KB

Download
memory/2876-19-0x0000000004B20000-0x0000000004B5C000-memory.dmp

Filesize
240KB

Download
memory/2876-20-0x0000000004CA0000-0x0000000004CEC000-memory.dmp

Filesize
304KB

Download
memory/2876-21-0x0000000073D4E000-0x0000000073D4F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads