redline | b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9

General

Target

b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe
Size

550KB
MD5

b3e44010409787f71ae985dcc196c6bb
SHA1

d1bfe9f8ea5ec3866de50a78e31d0aba4491e180
SHA256

b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9
SHA512

1cdcafde1492c7670fb4455871ac8fe578f687f63eea9cffb42b8d0afc5304203beeaa9d5f059a6029f5a85e6042626d7eb62a301cde9cf03f78e83f000aa0c2
SSDEEP

12288:GMr+y90uLkAt0rV8a50BzBNGTGqxCqoXW2891ZNl3Qd4A4pcsol2nBCv:syfkpVP50gThxTUU53Qd4Dpcso0u

Score

10^/10

redline fusa discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fusa

C2

193.233.20.12:4132

Attributes

auth_value
a08b2f01bd2af756e38c5dd60e87e697

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/0x0008000000023c97-12.dat	family_redline
behavioral1/memory/220-15-0x00000000005E0000-0x0000000000612000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3688	naG26.exe
220	brS72.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\\\""	b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.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\\\""	naG26.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	b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	naG26.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brS72.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3688	3004	b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe	83
PID 3004 wrote to memory of 3688	3004	b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe	83
PID 3004 wrote to memory of 3688	3004	b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe	83
PID 3688 wrote to memory of 220	3688	naG26.exe	84
PID 3688 wrote to memory of 220	3688	naG26.exe	84
PID 3688 wrote to memory of 220	3688	naG26.exe	84

C:\Users\Admin\AppData\Local\Temp\b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe
"C:\Users\Admin\AppData\Local\Temp\b72977062937bf4da882757403cf0415286612b8c9b6d67f71fa034ead2edfa9.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naG26.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naG26.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brS72.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brS72.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:220

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\naG26.exe

Filesize
202KB

MD5
edd19cf324844f84be4236fa0d7b8e4c

SHA1
ddba796ea1a150ab9891f7534c45c9d7bb82508a

SHA256
becba7684dc8be35385b2bf8d86493708be3a7d6e2fbb4beed035dbbc5047519

SHA512
f40f24304b8c0be56fc985fe3f8fbd6ccc16b3f7efbf9616a54914241db610f77858fb7f59496b25d99d3c2a94f3a962147e90f1556670fbb519371cb28cac61

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brS72.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/220-14-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/220-15-0x00000000005E0000-0x0000000000612000-memory.dmp

Filesize
200KB

Download
memory/220-16-0x0000000005440000-0x0000000005A58000-memory.dmp

Filesize
6.1MB

Download
memory/220-17-0x0000000004F80000-0x000000000508A000-memory.dmp

Filesize
1.0MB

Download
memory/220-18-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

Filesize
72KB

Download
memory/220-19-0x0000000004F40000-0x0000000004F7C000-memory.dmp

Filesize
240KB

Download
memory/220-20-0x0000000005090000-0x00000000050DC000-memory.dmp

Filesize
304KB

Download
memory/220-21-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads