redline | 1ad905b0d07aaecf0913ce32e758b9e1af9ef550fbbfa52b32400aa25e5507cc

General

Target

b7b5ffa4da24a1e2d00186fad284bc9e.exe
Size

789KB
MD5

b7b5ffa4da24a1e2d00186fad284bc9e
SHA1

e462520c771c03e135a8399671849edad7ec6422
SHA256

1ad905b0d07aaecf0913ce32e758b9e1af9ef550fbbfa52b32400aa25e5507cc
SHA512

38c143d4707776ee61f3f912686ec4a424499f5f5274c10f6bcf8cbbb10e700089cfca1d16e02f7b52b7c7446fef80d8c2e467dcd90ddff58c0014da9450063f

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

Processes:

resource	yara_rule
behavioral1/memory/1136-10-0x0000000003EC0000-0x0000000003EE4000-memory.dmp	family_redline
behavioral1/memory/1136-11-0x0000000003EF0000-0x0000000003F12000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

1136 bestof.exe
Loads dropped DLL 1 IoCs

Processes:

b7b5ffa4da24a1e2d00186fad284bc9e.exe

pid process

932 b7b5ffa4da24a1e2d00186fad284bc9e.exe
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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 ip-api.com
15 checkip.amazonaws.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1136	bestof.exe

pid	process
932	b7b5ffa4da24a1e2d00186fad284bc9e.exe

flow	ioc
9	ip-api.com
15	checkip.amazonaws.com

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b7b5ffa4da24a1e2d00186fad284bc9e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b7b5ffa4da24a1e2d00186fad284bc9e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b7b5ffa4da24a1e2d00186fad284bc9e.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

b7b5ffa4da24a1e2d00186fad284bc9e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	b7b5ffa4da24a1e2d00186fad284bc9e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	b7b5ffa4da24a1e2d00186fad284bc9e.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1644 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

1136 bestof.exe
1136 bestof.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bestof.exe

description pid process

Token: SeDebugPrivilege 1136 bestof.exe

pid	process
1644	PING.EXE

pid	process
1136	bestof.exe
1136	bestof.exe

description	pid	process
Token: SeDebugPrivilege	1136	bestof.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

b7b5ffa4da24a1e2d00186fad284bc9e.exebestof.execmd.exe

description	pid	process	target process
PID 932 wrote to memory of 1136	932	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe
PID 932 wrote to memory of 1136	932	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe
PID 932 wrote to memory of 1136	932	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe
PID 932 wrote to memory of 1136	932	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe
PID 1136 wrote to memory of 1728	1136	bestof.exe	cmd.exe
PID 1136 wrote to memory of 1728	1136	bestof.exe	cmd.exe
PID 1136 wrote to memory of 1728	1136	bestof.exe	cmd.exe
PID 1136 wrote to memory of 1728	1136	bestof.exe	cmd.exe
PID 1728 wrote to memory of 1644	1728	cmd.exe	PING.EXE
PID 1728 wrote to memory of 1644	1728	cmd.exe	PING.EXE
PID 1728 wrote to memory of 1644	1728	cmd.exe	PING.EXE
PID 1728 wrote to memory of 1644	1728	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\b7b5ffa4da24a1e2d00186fad284bc9e.exe
"C:\Users\Admin\AppData\Local\Temp\b7b5ffa4da24a1e2d00186fad284bc9e.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:932

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
bestof.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:1644

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
6943b3380427465a7998ddf3a96945a0

SHA1
abb680ef5e005da1610828d518c15a250b001fd9

SHA256
94e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb

SHA512
5c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d

Download Submit
\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
6943b3380427465a7998ddf3a96945a0

SHA1
abb680ef5e005da1610828d518c15a250b001fd9

SHA256
94e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb

SHA512
5c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d

Download Submit
memory/932-1-0x0000000003DB0000-0x0000000003DC1000-memory.dmp

Filesize
68KB

Download
memory/932-0-0x0000000002487000-0x0000000002488000-memory.dmp

Filesize
4KB

Download
memory/1136-6-0x00000000023E9000-0x00000000023EA000-memory.dmp

Filesize
4KB

Download
memory/1136-4-0x0000000000000000-mapping.dmp

Download
memory/1136-7-0x0000000003C00000-0x0000000003C11000-memory.dmp

Filesize
68KB

Download
memory/1136-8-0x0000000003D30000-0x0000000003D41000-memory.dmp

Filesize
68KB

Download
memory/1136-9-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1136-10-0x0000000003EC0000-0x0000000003EE4000-memory.dmp

Filesize
144KB

Download
memory/1136-11-0x0000000003EF0000-0x0000000003F12000-memory.dmp

Filesize
136KB

Download
memory/1360-2-0x000007FEF6400000-0x000007FEF667A000-memory.dmp

Filesize
2.5MB

Download
memory/1644-13-0x0000000000000000-mapping.dmp

Download
memory/1728-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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