redline | aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03

General

Target

aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe
Size

480KB
MD5

9e78f2cd72ce17284bbe6f46316056f6
SHA1

d975ece26670367d2fe55475ad3c00b3049378be
SHA256

aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03
SHA512

b476dde3d659ec62b9ba1838544e41322b09789473864ab7c6800d38980ef48b3982364abb82943dd3475db22c50a543df85d51e022ee7cebebe550bbd7c5967
SSDEEP

6144:KXy+bnr+fp0yN90QEkse2GLeVSsh5EUreGcX6peUKNXOVomin/j6rl3oq6DQU:VMrfy90HGlsnoGcKpeHXAoP76eD

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/0x000b000000023b7d-12.dat	family_redline
behavioral1/memory/1556-15-0x0000000000BE0000-0x0000000000C12000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1180	nPY98.exe
1556	bBx60.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nPY98.exe
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\\\""	aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.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	nPY98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bBx60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 1180	2872	aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe	85
PID 2872 wrote to memory of 1180	2872	aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe	85
PID 2872 wrote to memory of 1180	2872	aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe	85
PID 1180 wrote to memory of 1556	1180	nPY98.exe	86
PID 1180 wrote to memory of 1556	1180	nPY98.exe	86
PID 1180 wrote to memory of 1556	1180	nPY98.exe	86

C:\Users\Admin\AppData\Local\Temp\aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe
"C:\Users\Admin\AppData\Local\Temp\aa78cbc08517b9f1a1820ac47c2dfd26c485092f015b50e728af224f30632f03.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPY98.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPY98.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx60.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx60.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1556

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\nPY98.exe

Filesize
202KB

MD5
50a34995b125880726c73dbca1dc8e4b

SHA1
cf3d52bf75029ccd8f71fbe909b8b51c7b6b24ad

SHA256
03acd7a1b01a7e6b575b395022aea7e5ccff1dfc6f1354865d2a3a7768a25f69

SHA512
e2ebbe21a653e3099a3b3404be10383c3496c4c4dba2da86e81acddb2df7e056b470bdaaf10d59fa06fcb05349b6623128dd1cb13cd86f948c9e46600dfba6dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bBx60.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1556-14-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/1556-15-0x0000000000BE0000-0x0000000000C12000-memory.dmp

Filesize
200KB

Download
memory/1556-16-0x0000000005B60000-0x0000000006178000-memory.dmp

Filesize
6.1MB

Download
memory/1556-17-0x00000000056C0000-0x00000000057CA000-memory.dmp

Filesize
1.0MB

Download
memory/1556-18-0x00000000055F0000-0x0000000005602000-memory.dmp

Filesize
72KB

Download
memory/1556-19-0x0000000005650000-0x000000000568C000-memory.dmp

Filesize
240KB

Download
memory/1556-20-0x00000000057D0000-0x000000000581C000-memory.dmp

Filesize
304KB

Download
memory/1556-21-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads