redline | 13ca4ce027439580ff4a68cdee4a2c33ec62ab6be39441d9416e7c2bc3ac40bd

General

Target

01220b18bf1384bf2db8686425da2ae0.exe
Size

779KB
MD5

01220b18bf1384bf2db8686425da2ae0
SHA1

6b48989d60d98eea455b84e8089fd54f874f793e
SHA256

13ca4ce027439580ff4a68cdee4a2c33ec62ab6be39441d9416e7c2bc3ac40bd
SHA512

9f0f6eec7360a07c286ae4aa3b3bdebbaa60975a9699f2596cf5ce9a7a68445a40a62f1a24f86f881cd64dacf9ae92da9fe4b2bcaec831b487177d81d3cc35fd

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/2088-49-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral2/memory/2088-50-0x000000000042064E-mapping.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

bestof.exebestof.exe

pid process

3956 bestof.exe
2088 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

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

Processes:

bestof.exe

description pid process target process

PID 3956 set thread context of 2088 3956 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
3956	bestof.exe
2088	bestof.exe

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

description	pid	process	target process
PID 3956 set thread context of 2088	3956	bestof.exe	bestof.exe

Program crash 9 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2860	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
1204	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
688	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
1908	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
3168	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
3700	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
1528	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
204	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.exe
580	632	WerFault.exe	01220b18bf1384bf2db8686425da2ae0.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:

01220b18bf1384bf2db8686425da2ae0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	01220b18bf1384bf2db8686425da2ae0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	01220b18bf1384bf2db8686425da2ae0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

212 PING.EXE

pid	process
212	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	process
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
2860	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
1204	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
688	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe
3168	WerFault.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exebestof.exeWerFault.exeWerFault.exeWerFault.exebestof.exe

description	pid	process
Token: SeRestorePrivilege	2860	WerFault.exe
Token: SeBackupPrivilege	2860	WerFault.exe
Token: SeDebugPrivilege	2860	WerFault.exe
Token: SeDebugPrivilege	1204	WerFault.exe
Token: SeDebugPrivilege	688	WerFault.exe
Token: SeDebugPrivilege	1908	WerFault.exe
Token: SeDebugPrivilege	3168	WerFault.exe
Token: SeDebugPrivilege	3700	WerFault.exe
Token: SeDebugPrivilege	3956	bestof.exe
Token: SeDebugPrivilege	1528	WerFault.exe
Token: SeDebugPrivilege	204	WerFault.exe
Token: SeDebugPrivilege	580	WerFault.exe
Token: SeDebugPrivilege	2088	bestof.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

01220b18bf1384bf2db8686425da2ae0.exebestof.exebestof.execmd.exe

description	pid	process	target process
PID 632 wrote to memory of 3956	632	01220b18bf1384bf2db8686425da2ae0.exe	bestof.exe
PID 632 wrote to memory of 3956	632	01220b18bf1384bf2db8686425da2ae0.exe	bestof.exe
PID 632 wrote to memory of 3956	632	01220b18bf1384bf2db8686425da2ae0.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 3956 wrote to memory of 2088	3956	bestof.exe	bestof.exe
PID 2088 wrote to memory of 3076	2088	bestof.exe	cmd.exe
PID 2088 wrote to memory of 3076	2088	bestof.exe	cmd.exe
PID 2088 wrote to memory of 3076	2088	bestof.exe	cmd.exe
PID 3076 wrote to memory of 212	3076	cmd.exe	PING.EXE
PID 3076 wrote to memory of 212	3076	cmd.exe	PING.EXE
PID 3076 wrote to memory of 212	3076	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\01220b18bf1384bf2db8686425da2ae0.exe
"C:\Users\Admin\AppData\Local\Temp\01220b18bf1384bf2db8686425da2ae0.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 760
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 852
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1212
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1216
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1592
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1556
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:3700

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:3956

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
"C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088

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:3076

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
5⤵
- Runs ping.exe
PID:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1552
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1972
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1632
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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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/204-39-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/204-42-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/212-71-0x0000000000000000-mapping.dmp

Download
memory/580-46-0x0000000005480000-0x0000000005481000-memory.dmp

Filesize
4KB

Download
memory/580-43-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/632-0-0x00000000026B6000-0x00000000026B8000-memory.dmp

Filesize
8KB

Download
memory/632-1-0x00000000041C0000-0x00000000041C1000-memory.dmp

Filesize
4KB

Download
memory/688-14-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/688-13-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/688-10-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/1204-6-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/1204-9-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/1528-35-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/1528-38-0x00000000057D0000-0x00000000057D1000-memory.dmp

Filesize
4KB

Download
memory/1908-18-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

Filesize
4KB

Download
memory/1908-15-0x00000000046A0000-0x00000000046A1000-memory.dmp

Filesize
4KB

Download
memory/2088-58-0x0000000005630000-0x0000000005631000-memory.dmp

Filesize
4KB

Download
memory/2088-64-0x0000000007CC0000-0x0000000007CC1000-memory.dmp

Filesize
4KB

Download
memory/2088-69-0x0000000008C70000-0x0000000008C71000-memory.dmp

Filesize
4KB

Download
memory/2088-68-0x0000000007B60000-0x0000000007B61000-memory.dmp

Filesize
4KB

Download
memory/2088-67-0x00000000070B0000-0x00000000070B1000-memory.dmp

Filesize
4KB

Download
memory/2088-66-0x0000000006E00000-0x0000000006E01000-memory.dmp

Filesize
4KB

Download
memory/2088-65-0x0000000006E80000-0x0000000006E81000-memory.dmp

Filesize
4KB

Download
memory/2088-63-0x0000000006D60000-0x0000000006D61000-memory.dmp

Filesize
4KB

Download
memory/2088-62-0x0000000007290000-0x0000000007291000-memory.dmp

Filesize
4KB

Download
memory/2088-49-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2088-50-0x000000000042064E-mapping.dmp

Download
memory/2088-61-0x0000000006B90000-0x0000000006B91000-memory.dmp

Filesize
4KB

Download
memory/2088-60-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/2088-53-0x0000000072B00000-0x00000000731EE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-56-0x0000000005C40000-0x0000000005C41000-memory.dmp

Filesize
4KB

Download
memory/2088-57-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/2088-59-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/2860-5-0x0000000004800000-0x0000000004801000-memory.dmp

Filesize
4KB

Download
memory/2860-3-0x00000000043D0000-0x00000000043D1000-memory.dmp

Filesize
4KB

Download
memory/2860-2-0x00000000043D0000-0x00000000043D1000-memory.dmp

Filesize
4KB

Download
memory/3076-70-0x0000000000000000-mapping.dmp

Download
memory/3168-19-0x0000000004590000-0x0000000004591000-memory.dmp

Filesize
4KB

Download
memory/3168-22-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/3700-28-0x0000000004850000-0x0000000004851000-memory.dmp

Filesize
4KB

Download
memory/3700-23-0x0000000004760000-0x0000000004761000-memory.dmp

Filesize
4KB

Download
memory/3956-48-0x0000000004F80000-0x0000000004F96000-memory.dmp

Filesize
88KB

Download
memory/3956-29-0x0000000000000000-mapping.dmp

Download
memory/3956-32-0x0000000072B00000-0x00000000731EE000-memory.dmp

Filesize
6.9MB

Download
memory/3956-33-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/3956-47-0x0000000005120000-0x000000000515A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads