redline | 6feaf68897c8b589bd2c93a69819e02abf8d9f3e2a0cfd61eef658cedd83dd8d

General

Target

dff3603e6c6dec84c44d48104e6947d2.exe
Size

772KB
MD5

dff3603e6c6dec84c44d48104e6947d2
SHA1

842aee27bf50c97bdc41b90d7d29c20d70c0fb52
SHA256

6feaf68897c8b589bd2c93a69819e02abf8d9f3e2a0cfd61eef658cedd83dd8d
SHA512

9f3994d0f6750bb94d342586349e8ba86feb1a02a6c4c1a2c6bfc95cc785de11ed639567d842930c079c8b4b83686d538045e5bdbc591ee4c2a138e631cfe9bb

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/1612-10-0x0000000002430000-0x0000000002454000-memory.dmp	family_redline
behavioral1/memory/1612-11-0x0000000006640000-0x0000000006662000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

1612 bestof.exe
Loads dropped DLL 1 IoCs

Processes:

dff3603e6c6dec84c44d48104e6947d2.exe

pid process

1944 dff3603e6c6dec84c44d48104e6947d2.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

8 ip-api.com
14 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
1612	bestof.exe

pid	process
1944	dff3603e6c6dec84c44d48104e6947d2.exe

flow	ioc
8	ip-api.com
14	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:

dff3603e6c6dec84c44d48104e6947d2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dff3603e6c6dec84c44d48104e6947d2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dff3603e6c6dec84c44d48104e6947d2.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

dff3603e6c6dec84c44d48104e6947d2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	dff3603e6c6dec84c44d48104e6947d2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	dff3603e6c6dec84c44d48104e6947d2.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

564 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

1612 bestof.exe
1612 bestof.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bestof.exe

description pid process

Token: SeDebugPrivilege 1612 bestof.exe

pid	process
564	PING.EXE

pid	process
1612	bestof.exe
1612	bestof.exe

description	pid	process
Token: SeDebugPrivilege	1612	bestof.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

dff3603e6c6dec84c44d48104e6947d2.exebestof.execmd.exe

description	pid	process	target process
PID 1944 wrote to memory of 1612	1944	dff3603e6c6dec84c44d48104e6947d2.exe	bestof.exe
PID 1944 wrote to memory of 1612	1944	dff3603e6c6dec84c44d48104e6947d2.exe	bestof.exe
PID 1944 wrote to memory of 1612	1944	dff3603e6c6dec84c44d48104e6947d2.exe	bestof.exe
PID 1944 wrote to memory of 1612	1944	dff3603e6c6dec84c44d48104e6947d2.exe	bestof.exe
PID 1612 wrote to memory of 1556	1612	bestof.exe	cmd.exe
PID 1612 wrote to memory of 1556	1612	bestof.exe	cmd.exe
PID 1612 wrote to memory of 1556	1612	bestof.exe	cmd.exe
PID 1612 wrote to memory of 1556	1612	bestof.exe	cmd.exe
PID 1556 wrote to memory of 564	1556	cmd.exe	PING.EXE
PID 1556 wrote to memory of 564	1556	cmd.exe	PING.EXE
PID 1556 wrote to memory of 564	1556	cmd.exe	PING.EXE
PID 1556 wrote to memory of 564	1556	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\dff3603e6c6dec84c44d48104e6947d2.exe
"C:\Users\Admin\AppData\Local\Temp\dff3603e6c6dec84c44d48104e6947d2.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1944

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:1612

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:564

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

Replay Monitor

Loading Replay Monitor...

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/564-13-0x0000000000000000-mapping.dmp

Download
memory/744-2-0x000007FEF6080000-0x000007FEF62FA000-memory.dmp

Filesize
2.5MB

Download
memory/1556-12-0x0000000000000000-mapping.dmp

Download
memory/1612-6-0x0000000000309000-0x000000000030A000-memory.dmp

Filesize
4KB

Download
memory/1612-7-0x0000000003CF0000-0x0000000003D01000-memory.dmp

Filesize
68KB

Download
memory/1612-8-0x0000000003E50000-0x0000000003E61000-memory.dmp

Filesize
68KB

Download
memory/1612-9-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/1612-10-0x0000000002430000-0x0000000002454000-memory.dmp

Filesize
144KB

Download
memory/1612-11-0x0000000006640000-0x0000000006662000-memory.dmp

Filesize
136KB

Download
memory/1612-4-0x0000000000000000-mapping.dmp

Download
memory/1944-0-0x0000000002457000-0x0000000002458000-memory.dmp

Filesize
4KB

Download
memory/1944-1-0x0000000003E30000-0x0000000003E41000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads