redline | f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803

General

Target

f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe
Size

476KB
MD5

8cf05000a115d28b4c79034b02c9bb12
SHA1

5bd88f6c9c3d644cc83fbc401e5c6584afa501fa
SHA256

f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803
SHA512

74a8ebcf1f10bf6ea55cbad42e4658bfc3d91e5bb56075486ec1b7251c27615bc2efb27bbfd75ff4e654bcaa8411fc99348c1b32ae6b2f2386ce0807c247588c
SSDEEP

12288:xMrwy90Qs0VmFnPRxpGZU3qPTTq5S+StrKh+j4Kg:ty3NVmhSuCQFaiS4Kg

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/0x000b000000023b79-12.dat	family_redline
behavioral1/memory/468-15-0x0000000000ED0000-0x0000000000F02000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1520	ndz45.exe
468	bxq69.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\\\""	f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.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\\\""	ndz45.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	f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ndz45.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bxq69.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1520	2940	f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe	83
PID 2940 wrote to memory of 1520	2940	f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe	83
PID 2940 wrote to memory of 1520	2940	f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe	83
PID 1520 wrote to memory of 468	1520	ndz45.exe	84
PID 1520 wrote to memory of 468	1520	ndz45.exe	84
PID 1520 wrote to memory of 468	1520	ndz45.exe	84

C:\Users\Admin\AppData\Local\Temp\f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe
"C:\Users\Admin\AppData\Local\Temp\f77075fad02639a73747f8bb9717a31133951007a916dbfba32b35efa5a7c803.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndz45.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ndz45.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxq69.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxq69.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:468

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\ndz45.exe

Filesize
202KB

MD5
264c3c945fdff13f5ea1416a73fb25e8

SHA1
f9cc357fcf4dddb355742f89b67622b4cd2c613a

SHA256
f99ffd9d0de40b8ee673e0a4bd002e17adfa31341474e42b7974f793e9d0252b

SHA512
b14d2da530fc763141ac5791e6ad47f576ca2668f3051a83b9166faa13111eb11a85525342564aac3bb9128d17c65293566ecbdfb424b3e70d2caa9191392643

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bxq69.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/468-14-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download
memory/468-15-0x0000000000ED0000-0x0000000000F02000-memory.dmp

Filesize
200KB

Download
memory/468-16-0x0000000005E30000-0x0000000006448000-memory.dmp

Filesize
6.1MB

Download
memory/468-17-0x00000000059B0000-0x0000000005ABA000-memory.dmp

Filesize
1.0MB

Download
memory/468-18-0x00000000058E0000-0x00000000058F2000-memory.dmp

Filesize
72KB

Download
memory/468-19-0x0000000005970000-0x00000000059AC000-memory.dmp

Filesize
240KB

Download
memory/468-20-0x0000000005900000-0x000000000594C000-memory.dmp

Filesize
304KB

Download
memory/468-21-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads