redline | 38c800c0a1e910c13c99b52e67e13166e5ba08eb8e3d8d6813040c2cf557a041

General

Target

2b5aae460b5f2c2f3457f2dfd611f406.exe
Size

689KB
MD5

2b5aae460b5f2c2f3457f2dfd611f406
SHA1

8e05e84c77b4e15a3074428137a6fb51d731fd88
SHA256

38c800c0a1e910c13c99b52e67e13166e5ba08eb8e3d8d6813040c2cf557a041
SHA512

77bab5a36742fdc3014e9896ef0d1952975ec7446054002f784ce7f63b0c02f61ee191d14d96fd16527dd86e552993e2b84558dcc724392382428d8fd8edfdda

Score

10^/10

redline discovery infostealer spyware upx

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/2928-11-0x0000000007290000-0x00000000072B4000-memory.dmp	family_redline
behavioral2/memory/2928-13-0x0000000009820000-0x0000000009842000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

2928 bestof.exe

pid	process
2928	bestof.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe	upx
C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe	upx

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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

System Information Discovery
T1082

flow	ioc
14	ip-api.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:

2b5aae460b5f2c2f3457f2dfd611f406.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2b5aae460b5f2c2f3457f2dfd611f406.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2b5aae460b5f2c2f3457f2dfd611f406.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

584 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

2928 bestof.exe
2928 bestof.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bestof.exe

description pid process

Token: SeDebugPrivilege 2928 bestof.exe

pid	process
584	PING.EXE

pid	process
2928	bestof.exe
2928	bestof.exe

description	pid	process
Token: SeDebugPrivilege	2928	bestof.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2b5aae460b5f2c2f3457f2dfd611f406.exebestof.execmd.exe

description	pid	process	target process
PID 2604 wrote to memory of 2928	2604	2b5aae460b5f2c2f3457f2dfd611f406.exe	bestof.exe
PID 2604 wrote to memory of 2928	2604	2b5aae460b5f2c2f3457f2dfd611f406.exe	bestof.exe
PID 2604 wrote to memory of 2928	2604	2b5aae460b5f2c2f3457f2dfd611f406.exe	bestof.exe
PID 2928 wrote to memory of 2296	2928	bestof.exe	cmd.exe
PID 2928 wrote to memory of 2296	2928	bestof.exe	cmd.exe
PID 2928 wrote to memory of 2296	2928	bestof.exe	cmd.exe
PID 2296 wrote to memory of 584	2296	cmd.exe	PING.EXE
PID 2296 wrote to memory of 584	2296	cmd.exe	PING.EXE
PID 2296 wrote to memory of 584	2296	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2b5aae460b5f2c2f3457f2dfd611f406.exe
"C:\Users\Admin\AppData\Local\Temp\2b5aae460b5f2c2f3457f2dfd611f406.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2604

C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe
bestof.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:584

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

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Downloads

C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe

MD5
e8cf0e1662dbf0059e06baa644cfe52c

SHA1
8b278efbe3666da07725a7dfd512c7aa9e12379b

SHA256
13b4456c19c9552d5986582cb97c22888d70f93b88d4f7445ad1c126ef27f5f7

SHA512
5d508d4f98cf6184870e4b476638d09ddeef777e0e372a59c3e97428d54df1496640d2948538cc4243f8fd293ac0a48d14cba1ec6620a888d533fb23fdd7db02

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

MD5
e8cf0e1662dbf0059e06baa644cfe52c

SHA1
8b278efbe3666da07725a7dfd512c7aa9e12379b

SHA256
13b4456c19c9552d5986582cb97c22888d70f93b88d4f7445ad1c126ef27f5f7

SHA512
5d508d4f98cf6184870e4b476638d09ddeef777e0e372a59c3e97428d54df1496640d2948538cc4243f8fd293ac0a48d14cba1ec6620a888d533fb23fdd7db02

Download Submit
memory/584-27-0x0000000000000000-mapping.dmp

Download
memory/2296-26-0x0000000000000000-mapping.dmp

Download
memory/2604-2-0x00000000054D4000-0x00000000054D5000-memory.dmp

Filesize
4KB

Download
memory/2604-3-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/2928-14-0x0000000009DD0000-0x0000000009DD1000-memory.dmp

Filesize
4KB

Download
memory/2928-17-0x000000000A4A0000-0x000000000A4A1000-memory.dmp

Filesize
4KB

Download
memory/2928-10-0x0000000072A60000-0x000000007314E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-11-0x0000000007290000-0x00000000072B4000-memory.dmp

Filesize
144KB

Download
memory/2928-12-0x00000000098D0000-0x00000000098D1000-memory.dmp

Filesize
4KB

Download
memory/2928-13-0x0000000009820000-0x0000000009842000-memory.dmp

Filesize
136KB

Download
memory/2928-8-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/2928-15-0x000000000A410000-0x000000000A411000-memory.dmp

Filesize
4KB

Download
memory/2928-16-0x000000000A450000-0x000000000A451000-memory.dmp

Filesize
4KB

Download
memory/2928-9-0x0000000007150000-0x0000000007151000-memory.dmp

Filesize
4KB

Download
memory/2928-18-0x000000000A620000-0x000000000A621000-memory.dmp

Filesize
4KB

Download
memory/2928-19-0x000000000B310000-0x000000000B311000-memory.dmp

Filesize
4KB

Download
memory/2928-20-0x000000000B4E0000-0x000000000B4E1000-memory.dmp

Filesize
4KB

Download
memory/2928-21-0x000000000BB20000-0x000000000BB21000-memory.dmp

Filesize
4KB

Download
memory/2928-22-0x000000000BBC0000-0x000000000BBC1000-memory.dmp

Filesize
4KB

Download
memory/2928-23-0x000000000BC50000-0x000000000BC51000-memory.dmp

Filesize
4KB

Download
memory/2928-24-0x000000000BEB0000-0x000000000BEB1000-memory.dmp

Filesize
4KB

Download
memory/2928-25-0x000000000D110000-0x000000000D111000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x0000000005241000-0x0000000005242000-memory.dmp

Filesize
4KB

Download
memory/2928-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads