redline | 2beba1a84ca6a357ff2e8fb49b014523c855b73195e04829db7ee94afe87ecd8

Analysis

max time kernel
149s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
25/06/2021, 08:30

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General

Target
585368207fab5116640f854d6e6f742a.exe
Size 162KB
Sample210625-rnv2evz26a
SHA256 2beba1a84ca6a357ff2e8fb49b014523c855b73195e04829db7ee94afe87ecd8
MD5 585368207fab5116640f854d6e6f742a
SHA1 b1e7b1a232e971c70a168c918cf6fe506663f707
SHA512 ea006d6f4132ca1ac3a5dd007fc7935db239092b3803707b7753f71bd743e55e084a4b87d9d897a789b6359f9311630dddaceef39af94e5d2ba43bfa0d267c69
MD5 SHA1 SHA512

Score

10^/10

redline 18_6_bl_84s7 discovery infostealer persistence spyware stealer

Malware Config

Extracted

Family

redline

Botnet

18_6_bl_84s7

qitoshalan.xyz:80

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2648-147-0x000000000E000000-0x000000000E044000-memory.dmp	family_redline
behavioral2/memory/3536-177-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/3536-178-0x0000000000417DEA-mapping.dmp	family_redline

Executes dropped EXE 8 IoCs

pid	Process
2928	8793199.exe
2744	6088953.exe
2648	4082349.exe
2496	7371499.exe
1812	WinHoster.exe
4016	7371499.exe
640	7371499.exe
3536	7371499.exe

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinHost = "C:\\Users\\Admin\\AppData\\Roaming\\WinHost\\WinHoster.exe"	6088953.exe

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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 3536	2496	7371499.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2928	8793199.exe
2928	8793199.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1852	585368207fab5116640f854d6e6f742a.exe
Token: SeDebugPrivilege	2496	7371499.exe
Token: SeDebugPrivilege	2928	8793199.exe
Token: SeDebugPrivilege	2648	4082349.exe
Token: SeDebugPrivilege	3536	7371499.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2928	1852	585368207fab5116640f854d6e6f742a.exe	75
PID 1852 wrote to memory of 2928	1852	585368207fab5116640f854d6e6f742a.exe	75
PID 1852 wrote to memory of 2928	1852	585368207fab5116640f854d6e6f742a.exe	75
PID 1852 wrote to memory of 2744	1852	585368207fab5116640f854d6e6f742a.exe	76
PID 1852 wrote to memory of 2744	1852	585368207fab5116640f854d6e6f742a.exe	76
PID 1852 wrote to memory of 2744	1852	585368207fab5116640f854d6e6f742a.exe	76
PID 1852 wrote to memory of 2648	1852	585368207fab5116640f854d6e6f742a.exe	77
PID 1852 wrote to memory of 2648	1852	585368207fab5116640f854d6e6f742a.exe	77
PID 1852 wrote to memory of 2648	1852	585368207fab5116640f854d6e6f742a.exe	77
PID 1852 wrote to memory of 2496	1852	585368207fab5116640f854d6e6f742a.exe	79
PID 1852 wrote to memory of 2496	1852	585368207fab5116640f854d6e6f742a.exe	79
PID 1852 wrote to memory of 2496	1852	585368207fab5116640f854d6e6f742a.exe	79
PID 2496 wrote to memory of 4016	2496	7371499.exe	81
PID 2496 wrote to memory of 4016	2496	7371499.exe	81
PID 2496 wrote to memory of 4016	2496	7371499.exe	81
PID 2744 wrote to memory of 1812	2744	6088953.exe	82
PID 2744 wrote to memory of 1812	2744	6088953.exe	82
PID 2744 wrote to memory of 1812	2744	6088953.exe	82
PID 2496 wrote to memory of 640	2496	7371499.exe	83
PID 2496 wrote to memory of 640	2496	7371499.exe	83
PID 2496 wrote to memory of 640	2496	7371499.exe	83
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86
PID 2496 wrote to memory of 3536	2496	7371499.exe	86

C:\Users\Admin\AppData\Local\Temp\585368207fab5116640f854d6e6f742a.exe
"C:\Users\Admin\AppData\Local\Temp\585368207fab5116640f854d6e6f742a.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Roaming\8793199.exe
  "C:\Users\Admin\AppData\Roaming\8793199.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2928
- C:\Users\Admin\AppData\Roaming\6088953.exe
  "C:\Users\Admin\AppData\Roaming\6088953.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
    "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
    3⤵
    - Executes dropped EXE
    PID:1812
- C:\Users\Admin\AppData\Roaming\4082349.exe
  "C:\Users\Admin\AppData\Roaming\4082349.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Users\Admin\AppData\Roaming\7371499.exe
  "C:\Users\Admin\AppData\Roaming\7371499.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Users\Admin\AppData\Roaming\7371499.exe
    C:\Users\Admin\AppData\Roaming\7371499.exe
    3⤵
    - Executes dropped EXE
    PID:4016
- - C:\Users\Admin\AppData\Roaming\7371499.exe
    C:\Users\Admin\AppData\Roaming\7371499.exe
    3⤵
    - Executes dropped EXE
    PID:640
- - C:\Users\Admin\AppData\Roaming\7371499.exe
    C:\Users\Admin\AppData\Roaming\7371499.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/1812-172-0x0000000005940000-0x0000000005941000-memory.dmp

Download

memory/1812-171-0x00000000081D0000-0x00000000081D1000-memory.dmp

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memory/1852-116-0x0000000001090000-0x0000000001091000-memory.dmp

Download

memory/1852-117-0x00000000010A0000-0x00000000010BE000-memory.dmp

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memory/1852-118-0x00000000010C0000-0x00000000010C1000-memory.dmp

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memory/1852-119-0x000000001B7B0000-0x000000001B7B2000-memory.dmp

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memory/1852-114-0x0000000000B80000-0x0000000000B81000-memory.dmp

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memory/2496-145-0x00000000054D0000-0x00000000054D1000-memory.dmp

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memory/2496-139-0x0000000000D20000-0x0000000000D21000-memory.dmp

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memory/2648-155-0x0000000005810000-0x0000000005811000-memory.dmp

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memory/2648-161-0x00000000058B0000-0x00000000058B1000-memory.dmp

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memory/2648-147-0x000000000E000000-0x000000000E044000-memory.dmp

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memory/2648-134-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

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memory/2648-169-0x0000000005A40000-0x0000000005A41000-memory.dmp

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memory/2648-167-0x0000000003190000-0x0000000003191000-memory.dmp

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memory/2648-151-0x0000000003170000-0x0000000003171000-memory.dmp

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memory/2648-153-0x000000000A180000-0x000000000A181000-memory.dmp

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memory/2648-142-0x0000000003040000-0x0000000003041000-memory.dmp

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memory/2648-156-0x0000000005870000-0x0000000005871000-memory.dmp

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memory/2744-140-0x0000000002A60000-0x0000000002A61000-memory.dmp

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memory/2744-148-0x00000000075E0000-0x00000000075E1000-memory.dmp

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memory/2744-144-0x0000000002950000-0x0000000002960000-memory.dmp

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memory/2744-146-0x0000000007A40000-0x0000000007A41000-memory.dmp

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memory/2744-133-0x0000000000810000-0x0000000000811000-memory.dmp

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memory/2744-149-0x00000000029E0000-0x00000000029E1000-memory.dmp

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memory/2928-143-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

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memory/2928-138-0x0000000004A40000-0x0000000004A41000-memory.dmp

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memory/2928-154-0x0000000000B60000-0x0000000000B61000-memory.dmp

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memory/2928-170-0x0000000004B60000-0x0000000004B61000-memory.dmp

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memory/2928-175-0x0000000005700000-0x0000000005701000-memory.dmp

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memory/2928-150-0x0000000000AE0000-0x0000000000B12000-memory.dmp

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memory/2928-131-0x00000000001B0000-0x00000000001B1000-memory.dmp

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memory/3536-177-0x0000000000400000-0x000000000041E000-memory.dmp

Download

memory/3536-188-0x0000000004C90000-0x0000000004C91000-memory.dmp

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