redline | 23c3cd01144f12485c52e063c82ce5b7e04380c4eef5dc068c98b89b113fa25e

Analysis

max time kernel
46s
max time network
112s
platform
windows10_x64
resource
win10v200722
submitted
14/10/2020, 03:07

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General

Target
FreeBitco-Extension.exe
Size 868KB
Sample201014-3f5cvq76re
SHA256 23c3cd01144f12485c52e063c82ce5b7e04380c4eef5dc068c98b89b113fa25e
MD5 c2e81b36df30915eee3db055df77b2d7
SHA1 c2a946b9f08b3fa29a6bdf608f8469bbe523a8c8
SHA512 ad621470167ea994c7493e63ce17138a0951416422cfa0c5a94918d2964d4ab67e16c35489a2371b52cfddc8daa42f48eb2dc6595f5ed97cf0cf62cf6b892d56
MD5 SHA1 SHA512

Score

10^/10

redline discovery infostealer spyware

Malware Config

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
behavioral2/memory/3264-5-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral2/memory/3264-6-0x00000000004235AE-mapping.dmp	family_redline

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3904 set thread context of 3264	3904	FreeBitco-Extension.exe	75

Kills process with taskkill 1 IoCs

evasion

pid	Process
3048	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3264	FreeBitco-Extension.exe
3264	FreeBitco-Extension.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	FreeBitco-Extension.exe
Token: SeDebugPrivilege	3264	FreeBitco-Extension.exe
Token: SeDebugPrivilege	3048	taskkill.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3904 wrote to memory of 3264	3904	FreeBitco-Extension.exe	75
PID 3264 wrote to memory of 2764	3264	FreeBitco-Extension.exe	77
PID 3264 wrote to memory of 2764	3264	FreeBitco-Extension.exe	77
PID 3264 wrote to memory of 2764	3264	FreeBitco-Extension.exe	77
PID 2764 wrote to memory of 3048	2764	cmd.exe	79
PID 2764 wrote to memory of 3048	2764	cmd.exe	79
PID 2764 wrote to memory of 3048	2764	cmd.exe	79
PID 2764 wrote to memory of 3008	2764	cmd.exe	80
PID 2764 wrote to memory of 3008	2764	cmd.exe	80
PID 2764 wrote to memory of 3008	2764	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\FreeBitco-Extension.exe
"C:\Users\Admin\AppData\Local\Temp\FreeBitco-Extension.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Users\Admin\AppData\Local\Temp\FreeBitco-Extension.exe
  "C:\Users\Admin\AppData\Local\Temp\FreeBitco-Extension.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3264
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C taskkill /F /PID 3264 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\FreeBitco-Extension.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /PID 3264
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:3048
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      PID:3008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3264-13-0x0000000005070000-0x0000000005071000-memory.dmp

Download

memory/3264-14-0x00000000050B0000-0x00000000050B1000-memory.dmp

Download

memory/3264-5-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/3264-8-0x0000000073E30000-0x000000007451E000-memory.dmp

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memory/3264-11-0x0000000005620000-0x0000000005621000-memory.dmp

Download

memory/3264-12-0x0000000005010000-0x0000000005011000-memory.dmp

Download

memory/3264-19-0x0000000007C40000-0x0000000007C41000-memory.dmp

Download

memory/3264-15-0x0000000005300000-0x0000000005301000-memory.dmp

Download

memory/3264-16-0x0000000005E90000-0x0000000005E91000-memory.dmp

Download

memory/3264-17-0x0000000006430000-0x0000000006431000-memory.dmp

Download

memory/3264-18-0x0000000005F30000-0x0000000005F31000-memory.dmp

Download

memory/3904-0-0x0000000073E20000-0x000000007450E000-memory.dmp

Download

memory/3904-4-0x00000000030E0000-0x00000000030ED000-memory.dmp

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memory/3904-3-0x0000000005980000-0x00000000059A2000-memory.dmp

Download

memory/3904-1-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Download