redline | f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0

General

Target

f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe
Size

1.1MB
MD5

c18c67642b8a057de90cd72193d28879
SHA1

c433548aed48df5f689f2c9b302a88a4207d3007
SHA256

f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0
SHA512

6173f501cbd65ba048679a3d25a523c643a4c53eed422cf8a65bb19bb4fa68ddfe0a465295c18af8c1289c1a6936b7170089d444e33c1dfdbc7d4f47a81f424d
SSDEEP

24576:XyvhQ2AabmgrDq0OfwfoeSl/LVDehc518rd7C0m:i5Q2AaR3DOmoRTVDw+cd

Score

10^/10

redline doma discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

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/0x0008000000023cb4-19.dat	family_redline
behavioral1/memory/1968-21-0x00000000001E0000-0x000000000020A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
1296	x0728909.exe
2604	x3336893.exe
1968	f0815167.exe

Adds Run key to start application 2 TTPs 3 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\\\""	f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.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\\\""	x0728909.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	x3336893.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x0728909.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x3336893.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0815167.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 1296	4188	f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe	83
PID 4188 wrote to memory of 1296	4188	f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe	83
PID 4188 wrote to memory of 1296	4188	f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe	83
PID 1296 wrote to memory of 2604	1296	x0728909.exe	84
PID 1296 wrote to memory of 2604	1296	x0728909.exe	84
PID 1296 wrote to memory of 2604	1296	x0728909.exe	84
PID 2604 wrote to memory of 1968	2604	x3336893.exe	85
PID 2604 wrote to memory of 1968	2604	x3336893.exe	85
PID 2604 wrote to memory of 1968	2604	x3336893.exe	85

C:\Users\Admin\AppData\Local\Temp\f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe
"C:\Users\Admin\AppData\Local\Temp\f21e7b910ff44dd4217e8a8017ed8a49331cb3c99b88cc9c0a92eca1f233aaa0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4188
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0728909.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0728909.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3336893.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3336893.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f0815167.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f0815167.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1968

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\x0728909.exe

Filesize
748KB

MD5
f7e7012ba13668f362353449f47ce137

SHA1
76be93203c80f80fd5761515b8ca504db14dc2e6

SHA256
c7c7a3c29d5220919e08877feaab61d0b2c04541c26746284783a57211a2359b

SHA512
3ce6856a3c2a9f43716223748e39de7fbcd5f1c13e5f41a37e466f342fd26c68dc023ac5bcc3b91b7eedaa5037453f730eec9680c770be34a2bcfd660adda232

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3336893.exe

Filesize
304KB

MD5
0fa24d81a42fab53e896cc275ae25b09

SHA1
e415fdb0f335ecea46be1b205fbc744045f6b273

SHA256
74fe5e763942a3f8e5af26f9b4006f4a39d42beff94ae6ec7fd83a6a4a351449

SHA512
1be1e9ba34929f59b7e7a4940b504a52b04f7a36ba81368aff2bb751fc05b005a992de6f863d5e0affbcaa6768b0def35e0013222e8148dd3dd9d9a3f4185907

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f0815167.exe

Filesize
145KB

MD5
502bb395c21629ab88b415b34d8e93d6

SHA1
a31a5534ca86728a81f32cb4145c8200df094028

SHA256
5e7f1219a46153cc826eec9ff834f76501e473223c0fb6ca517999ac90a6bfb7

SHA512
b4d5481bff397a09aaad598f3b87ed18e6f074b48cc46e87c67698c12d651a90baffc711e1557b8758362a42006271d9434579dfd20b721db1457a251cd439bc

Download Submit
memory/1968-21-0x00000000001E0000-0x000000000020A000-memory.dmp

Filesize
168KB

Download
memory/1968-22-0x0000000005180000-0x0000000005798000-memory.dmp

Filesize
6.1MB

Download
memory/1968-23-0x0000000004CB0000-0x0000000004DBA000-memory.dmp

Filesize
1.0MB

Download
memory/1968-24-0x0000000004BE0000-0x0000000004BF2000-memory.dmp

Filesize
72KB

Download
memory/1968-25-0x0000000004C40000-0x0000000004C7C000-memory.dmp

Filesize
240KB

Download
memory/1968-26-0x0000000004DC0000-0x0000000004E0C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads