redline | f2b68fa107745b515e611eee99231eab7e03e022b4ff8af2bfe3b779ffbf61c4

General

Target

tmp/vbc.exe
Size

883KB
MD5

80bc1183c4d901de4fd1365eccd0f147
SHA1

d725b0664493a90ff4538bdc5f98d6161748e501
SHA256

f2b68fa107745b515e611eee99231eab7e03e022b4ff8af2bfe3b779ffbf61c4
SHA512

d62d9eae278c92f3041ebf63b38469465d4ecd3c555501b8dea73475d03572965af599455c75c34b3eb766212df0ba20a4a6c7c03ef262b38c871c4e29883385

Score

10^/10

redline r1 infostealer

Malware Config

Extracted

Family

redline

Botnet

r1

C2

101.99.93.44:21060

Signatures

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

RedLine Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/464-61-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/464-63-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/464-62-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/464-64-0x000000000041903E-mapping.dmp	family_redline
behavioral1/memory/464-65-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 628 set thread context of 464 628 vbc.exe aspnet_regbrowsers.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 628 vbc.exe

description	pid	process	target process
PID 628 set thread context of 464	628	vbc.exe	aspnet_regbrowsers.exe

description	pid	process
Token: SeDebugPrivilege	628	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

vbc.exe

description	pid	process	target process
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe
PID 628 wrote to memory of 464	628	vbc.exe	aspnet_regbrowsers.exe

C:\Users\Admin\AppData\Local\Temp\tmp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\vbc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
2⤵
PID:464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/464-59-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/464-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/464-61-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/464-63-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/464-62-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/464-64-0x000000000041903E-mapping.dmp

Download
memory/464-65-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/464-67-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download
memory/628-54-0x0000000000C90000-0x0000000000C91000-memory.dmp

Filesize
4KB

Download
memory/628-56-0x00000000751B1000-0x00000000751B3000-memory.dmp

Filesize
8KB

Download
memory/628-57-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/628-58-0x0000000000310000-0x000000000031F000-memory.dmp

Filesize
60KB

Download

Analysis

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