redline | 40e054c5c315d144c46e4caab2eb10d61f71c8f3cb97a85e81b96ce6a306463d

General

Target

76448bb2fbeda3e0e7c2befbb66ca778.exe
Size

582KB
MD5

76448bb2fbeda3e0e7c2befbb66ca778
SHA1

9a8c6d78d5f67e2e79c198ece6da39f7fd898773
SHA256

40e054c5c315d144c46e4caab2eb10d61f71c8f3cb97a85e81b96ce6a306463d
SHA512

c8e1747f5c8a4979372b1cab52b0c0d09c98bba2cbacf24fac9ca0d6a419e64100169e03cb0c8e865ad72018910e624a69cee3b77f5e30bd8761a1c09fbca41e

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
behavioral2/memory/2692-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral2/memory/2692-11-0x000000000042064E-mapping.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

bestof.exebestof.exe

pid process

2608 bestof.exe
2692 bestof.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

12 ip-api.com
21 checkip.amazonaws.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

bestof.exe

description pid process target process

PID 2608 set thread context of 2692 2608 bestof.exe bestof.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
2608	bestof.exe
2692	bestof.exe

flow	ioc
12	ip-api.com
21	checkip.amazonaws.com

description	pid	process	target process
PID 2608 set thread context of 2692	2608	bestof.exe	bestof.exe

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:

76448bb2fbeda3e0e7c2befbb66ca778.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	76448bb2fbeda3e0e7c2befbb66ca778.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	76448bb2fbeda3e0e7c2befbb66ca778.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

8 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

2692 bestof.exe
2692 bestof.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bestof.exebestof.exe

description pid process

Token: SeDebugPrivilege 2608 bestof.exe
Token: SeDebugPrivilege 2692 bestof.exe

pid	process
8	PING.EXE

pid	process
2692	bestof.exe
2692	bestof.exe

description	pid	process
Token: SeDebugPrivilege	2608	bestof.exe
Token: SeDebugPrivilege	2692	bestof.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

76448bb2fbeda3e0e7c2befbb66ca778.exebestof.exebestof.execmd.exe

description	pid	process	target process
PID 540 wrote to memory of 2608	540	76448bb2fbeda3e0e7c2befbb66ca778.exe	bestof.exe
PID 540 wrote to memory of 2608	540	76448bb2fbeda3e0e7c2befbb66ca778.exe	bestof.exe
PID 540 wrote to memory of 2608	540	76448bb2fbeda3e0e7c2befbb66ca778.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2608 wrote to memory of 2692	2608	bestof.exe	bestof.exe
PID 2692 wrote to memory of 2440	2692	bestof.exe	cmd.exe
PID 2692 wrote to memory of 2440	2692	bestof.exe	cmd.exe
PID 2692 wrote to memory of 2440	2692	bestof.exe	cmd.exe
PID 2440 wrote to memory of 8	2440	cmd.exe	PING.EXE
PID 2440 wrote to memory of 8	2440	cmd.exe	PING.EXE
PID 2440 wrote to memory of 8	2440	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\76448bb2fbeda3e0e7c2befbb66ca778.exe
"C:\Users\Admin\AppData\Local\Temp\76448bb2fbeda3e0e7c2befbb66ca778.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:540

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
bestof.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
"C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del "C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
5⤵
- Runs ping.exe
PID:8

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\bestof.exe.log

MD5
605f809fab8c19729d39d075f7ffdb53

SHA1
c546f877c9bd53563174a90312a8337fdfc5fdd9

SHA256
6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

SHA512
82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

Download Submit
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe

MD5
ae71797ed71a11f172c9d03701ae88c7

SHA1
10a0cc04fbed99c4f0f1f908979455da6868f1eb

SHA256
0215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34

SHA512
7f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77

Download Submit
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe

MD5
ae71797ed71a11f172c9d03701ae88c7

SHA1
10a0cc04fbed99c4f0f1f908979455da6868f1eb

SHA256
0215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34

SHA512
7f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77

Download Submit
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe

MD5
ae71797ed71a11f172c9d03701ae88c7

SHA1
10a0cc04fbed99c4f0f1f908979455da6868f1eb

SHA256
0215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34

SHA512
7f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77

Download Submit
memory/8-32-0x0000000000000000-mapping.dmp

Download
memory/540-1-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/540-0-0x00000000005FB000-0x00000000005FD000-memory.dmp

Filesize
8KB

Download
memory/2440-31-0x0000000000000000-mapping.dmp

Download
memory/2608-5-0x0000000072640000-0x0000000072D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-6-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/2608-8-0x0000000005790000-0x00000000057CA000-memory.dmp

Filesize
232KB

Download
memory/2608-9-0x0000000005750000-0x0000000005766000-memory.dmp

Filesize
88KB

Download
memory/2608-2-0x0000000000000000-mapping.dmp

Download
memory/2692-17-0x0000000005A80000-0x0000000005A81000-memory.dmp

Filesize
4KB

Download
memory/2692-25-0x0000000007BD0000-0x0000000007BD1000-memory.dmp

Filesize
4KB

Download
memory/2692-18-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/2692-19-0x00000000054E0000-0x00000000054E1000-memory.dmp

Filesize
4KB

Download
memory/2692-20-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/2692-21-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/2692-22-0x0000000006AA0000-0x0000000006AA1000-memory.dmp

Filesize
4KB

Download
memory/2692-23-0x00000000071A0000-0x00000000071A1000-memory.dmp

Filesize
4KB

Download
memory/2692-24-0x0000000006C70000-0x0000000006C71000-memory.dmp

Filesize
4KB

Download
memory/2692-14-0x00000000736A0000-0x0000000073D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-26-0x0000000006D10000-0x0000000006D11000-memory.dmp

Filesize
4KB

Download
memory/2692-27-0x0000000006D90000-0x0000000006D91000-memory.dmp

Filesize
4KB

Download
memory/2692-28-0x0000000006F80000-0x0000000006F81000-memory.dmp

Filesize
4KB

Download
memory/2692-29-0x0000000007720000-0x0000000007721000-memory.dmp

Filesize
4KB

Download
memory/2692-30-0x0000000007B20000-0x0000000007B21000-memory.dmp

Filesize
4KB

Download
memory/2692-11-0x000000000042064E-mapping.dmp

Download
memory/2692-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads