redline | f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe

General

Target

f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe
Size

477KB
MD5

e313a9c7cb4cf965624df27aa2315951
SHA1

ec312c831400d64f2d6edc04343a5284e234a210
SHA256

f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe
SHA512

88ce45e22cdbc332438fe78376c9dc05789f42ca15281c39c4c660864c1802e8134fa401eee16b9121e77d998fd15b191c87a65e07ce4e3c8e25419312d145e8
SSDEEP

12288:WMrgy90BHKhJk6ebdkYQ6VILLI1b3AaWFhYn:ey8HKs6KBMUyjYn

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/0x0008000000023c89-12.dat	family_redline
behavioral1/memory/3144-15-0x0000000000290000-0x00000000002C2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4136	nxo83.exe
3144	bnl93.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\\\""	nxo83.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\\\""	f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.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	bnl93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nxo83.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 4136	1092	f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe	83
PID 1092 wrote to memory of 4136	1092	f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe	83
PID 1092 wrote to memory of 4136	1092	f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe	83
PID 4136 wrote to memory of 3144	4136	nxo83.exe	84
PID 4136 wrote to memory of 3144	4136	nxo83.exe	84
PID 4136 wrote to memory of 3144	4136	nxo83.exe	84

C:\Users\Admin\AppData\Local\Temp\f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe
"C:\Users\Admin\AppData\Local\Temp\f31ea0abc3939a194e14a8d46a42abd0645654a7a1b16b7e100ebc09d8f5f9fe.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nxo83.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nxo83.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4136
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bnl93.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bnl93.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3144

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\nxo83.exe

Filesize
202KB

MD5
f5205ed3faa5434d3a533a23523712e2

SHA1
b6b98ca435046b1fc66aa08c0e1d0579c33bc9b2

SHA256
a1547095118de05324dab1f02fa8e39ce2a23456efbadb7c5c87d5fb36f255b7

SHA512
1a876b0bcae0a26f66b37f8af570e55be729a4c63fbd146e5453da2b9e93d1accf33dd4ad96d43505157bced1d7beb2991e8aa8e36fd30c8fdb88ee4a010658a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bnl93.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3144-14-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/3144-15-0x0000000000290000-0x00000000002C2000-memory.dmp

Filesize
200KB

Download
memory/3144-16-0x0000000005210000-0x0000000005828000-memory.dmp

Filesize
6.1MB

Download
memory/3144-17-0x0000000004D70000-0x0000000004E7A000-memory.dmp

Filesize
1.0MB

Download
memory/3144-18-0x0000000004CA0000-0x0000000004CB2000-memory.dmp

Filesize
72KB

Download
memory/3144-19-0x0000000004D00000-0x0000000004D3C000-memory.dmp

Filesize
240KB

Download
memory/3144-20-0x0000000004E80000-0x0000000004ECC000-memory.dmp

Filesize
304KB

Download
memory/3144-21-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads