redline | 82987b4e0e8c616f7100a6421800b283354a22882b83abe0375acb24a924aaa8

General

Target

5a240ce26f7d1fe78e27aeaa03d9fc5c.exe
Size

582KB
MD5

5a240ce26f7d1fe78e27aeaa03d9fc5c
SHA1

e10aee112742f06ba80f407f42d225faf5f7e638
SHA256

82987b4e0e8c616f7100a6421800b283354a22882b83abe0375acb24a924aaa8
SHA512

97a8c7f9480fa41cbeb550f89222554050ac1844da33d011e3e6cbbf9daadf7a9a35cc54f8f186df5114ac0d0aa1c2c680fbc1e4b475a393eb70ea0e75cdbbd8

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/864-10-0x0000000004050000-0x0000000004074000-memory.dmp	family_redline
behavioral1/memory/864-11-0x00000000065A0000-0x00000000065C2000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

864 bestof.exe
Loads dropped DLL 1 IoCs

Processes:

5a240ce26f7d1fe78e27aeaa03d9fc5c.exe

pid process

536 5a240ce26f7d1fe78e27aeaa03d9fc5c.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
864	bestof.exe

pid	process
536	5a240ce26f7d1fe78e27aeaa03d9fc5c.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:

5a240ce26f7d1fe78e27aeaa03d9fc5c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

5a240ce26f7d1fe78e27aeaa03d9fc5c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1112 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

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

Processes:

bestof.exe

description pid process

Token: SeDebugPrivilege 864 bestof.exe

pid	process
1112	PING.EXE

pid	process
864	bestof.exe
864	bestof.exe

description	pid	process
Token: SeDebugPrivilege	864	bestof.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5a240ce26f7d1fe78e27aeaa03d9fc5c.exebestof.execmd.exe

description	pid	process	target process
PID 536 wrote to memory of 864	536	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe	bestof.exe
PID 536 wrote to memory of 864	536	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe	bestof.exe
PID 536 wrote to memory of 864	536	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe	bestof.exe
PID 536 wrote to memory of 864	536	5a240ce26f7d1fe78e27aeaa03d9fc5c.exe	bestof.exe
PID 864 wrote to memory of 1624	864	bestof.exe	cmd.exe
PID 864 wrote to memory of 1624	864	bestof.exe	cmd.exe
PID 864 wrote to memory of 1624	864	bestof.exe	cmd.exe
PID 864 wrote to memory of 1624	864	bestof.exe	cmd.exe
PID 1624 wrote to memory of 1112	1624	cmd.exe	PING.EXE
PID 1624 wrote to memory of 1112	1624	cmd.exe	PING.EXE
PID 1624 wrote to memory of 1112	1624	cmd.exe	PING.EXE
PID 1624 wrote to memory of 1112	1624	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\5a240ce26f7d1fe78e27aeaa03d9fc5c.exe
"C:\Users\Admin\AppData\Local\Temp\5a240ce26f7d1fe78e27aeaa03d9fc5c.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:536

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:864

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Web Service

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
651026d3f1f58ca2718cac5272a53192

SHA1
f975cb02d4f348ae6cd3fd112b746445bd653e87

SHA256
fdc884b306b56d605844a30990a565fed93cbbf6d15c04c524ee606fbb1d8931

SHA512
9fe5bf0e4df06c0c67db69d6002366ee9897bdeb9c89940657f64852e9c287f1a2fc7ec2fac4377e77f97781045a4cc080318d2ec9e628da6ed9829a0ef929c3

Download Submit
\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
651026d3f1f58ca2718cac5272a53192

SHA1
f975cb02d4f348ae6cd3fd112b746445bd653e87

SHA256
fdc884b306b56d605844a30990a565fed93cbbf6d15c04c524ee606fbb1d8931

SHA512
9fe5bf0e4df06c0c67db69d6002366ee9897bdeb9c89940657f64852e9c287f1a2fc7ec2fac4377e77f97781045a4cc080318d2ec9e628da6ed9829a0ef929c3

Download Submit
memory/536-1-0x0000000003ED0000-0x0000000003EE1000-memory.dmp

Filesize
68KB

Download
memory/536-0-0x00000000024FD000-0x00000000024FE000-memory.dmp

Filesize
4KB

Download
memory/864-6-0x00000000024ED000-0x00000000024EE000-memory.dmp

Filesize
4KB

Download
memory/864-4-0x0000000000000000-mapping.dmp

Download
memory/864-7-0x0000000003CF0000-0x0000000003D01000-memory.dmp

Filesize
68KB

Download
memory/864-8-0x0000000003EE0000-0x0000000003EF1000-memory.dmp

Filesize
68KB

Download
memory/864-9-0x0000000073BB0000-0x000000007429E000-memory.dmp

Filesize
6.9MB

Download
memory/864-10-0x0000000004050000-0x0000000004074000-memory.dmp

Filesize
144KB

Download
memory/864-11-0x00000000065A0000-0x00000000065C2000-memory.dmp

Filesize
136KB

Download
memory/1112-14-0x0000000000000000-mapping.dmp

Download
memory/1296-2-0x000007FEF81B0000-0x000007FEF842A000-memory.dmp

Filesize
2.5MB

Download
memory/1624-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads