redline | e17a2aac7627b6496732995db90d770d6aa29b0b6547913378140d398a8ba295

General

Target

e877b89f41f94fe47c72bfa1ef23a1ab.exe
Size

689KB
MD5

e877b89f41f94fe47c72bfa1ef23a1ab
SHA1

4710357367fca90f2a60dab12c9065c299f8d447
SHA256

e17a2aac7627b6496732995db90d770d6aa29b0b6547913378140d398a8ba295
SHA512

3144b2390bf7f647078e01def22947f6d0ab6bd8ad642dd80eaaa4fdcc8b5b65f4c27c1343472c56a189a63ec22e52d7e2859ddcf3efc70e9ab10339e667cc40

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/3572-11-0x0000000006F70000-0x0000000006F94000-memory.dmp	family_redline
behavioral2/memory/3572-13-0x0000000009840000-0x0000000009862000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

3572 bestof.exe

pid	process
3572	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:

e877b89f41f94fe47c72bfa1ef23a1ab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	e877b89f41f94fe47c72bfa1ef23a1ab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e877b89f41f94fe47c72bfa1ef23a1ab.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1988 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

3572 bestof.exe
3572 bestof.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bestof.exe

description pid process

Token: SeDebugPrivilege 3572 bestof.exe

pid	process
1988	PING.EXE

pid	process
3572	bestof.exe
3572	bestof.exe

description	pid	process
Token: SeDebugPrivilege	3572	bestof.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e877b89f41f94fe47c72bfa1ef23a1ab.exebestof.execmd.exe

description	pid	process	target process
PID 3940 wrote to memory of 3572	3940	e877b89f41f94fe47c72bfa1ef23a1ab.exe	bestof.exe
PID 3940 wrote to memory of 3572	3940	e877b89f41f94fe47c72bfa1ef23a1ab.exe	bestof.exe
PID 3940 wrote to memory of 3572	3940	e877b89f41f94fe47c72bfa1ef23a1ab.exe	bestof.exe
PID 3572 wrote to memory of 1428	3572	bestof.exe	cmd.exe
PID 3572 wrote to memory of 1428	3572	bestof.exe	cmd.exe
PID 3572 wrote to memory of 1428	3572	bestof.exe	cmd.exe
PID 1428 wrote to memory of 1988	1428	cmd.exe	PING.EXE
PID 1428 wrote to memory of 1988	1428	cmd.exe	PING.EXE
PID 1428 wrote to memory of 1988	1428	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\e877b89f41f94fe47c72bfa1ef23a1ab.exe
"C:\Users\Admin\AppData\Local\Temp\e877b89f41f94fe47c72bfa1ef23a1ab.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3940

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:3572

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:1988

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
a7e9e9cf220846cf4886665f5dca877d

SHA1
25316dff51b674a33b4db6aa4187477f1bcfb72f

SHA256
f8c01a2d1b187aee1a6b8fc7cb87369cbc920e6c288f53af356287cb3def107e

SHA512
b2922db7d114e27eda9d436bcd7bb7c29791fbee25a5807223dd9fc0f6b913b0caacbd0518ce97494f42a8bc2f44b0f33ec1cfb0144b41249589f64b23f266db

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

MD5
a7e9e9cf220846cf4886665f5dca877d

SHA1
25316dff51b674a33b4db6aa4187477f1bcfb72f

SHA256
f8c01a2d1b187aee1a6b8fc7cb87369cbc920e6c288f53af356287cb3def107e

SHA512
b2922db7d114e27eda9d436bcd7bb7c29791fbee25a5807223dd9fc0f6b913b0caacbd0518ce97494f42a8bc2f44b0f33ec1cfb0144b41249589f64b23f266db

Download Submit
memory/1428-26-0x0000000000000000-mapping.dmp

Download
memory/1988-27-0x0000000000000000-mapping.dmp

Download
memory/3572-14-0x0000000009E80000-0x0000000009E81000-memory.dmp

Filesize
4KB

Download
memory/3572-17-0x000000000A4A0000-0x000000000A4A1000-memory.dmp

Filesize
4KB

Download
memory/3572-8-0x0000000005530000-0x0000000005531000-memory.dmp

Filesize
4KB

Download
memory/3572-9-0x0000000006FC0000-0x0000000006FC1000-memory.dmp

Filesize
4KB

Download
memory/3572-10-0x0000000072CC0000-0x00000000733AE000-memory.dmp

Filesize
6.9MB

Download
memory/3572-11-0x0000000006F70000-0x0000000006F94000-memory.dmp

Filesize
144KB

Download
memory/3572-12-0x0000000009980000-0x0000000009981000-memory.dmp

Filesize
4KB

Download
memory/3572-13-0x0000000009840000-0x0000000009862000-memory.dmp

Filesize
136KB

Download
memory/3572-4-0x0000000000000000-mapping.dmp

Download
memory/3572-15-0x00000000098F0000-0x00000000098F1000-memory.dmp

Filesize
4KB

Download
memory/3572-16-0x0000000009930000-0x0000000009931000-memory.dmp

Filesize
4KB

Download
memory/3572-7-0x00000000051F1000-0x00000000051F2000-memory.dmp

Filesize
4KB

Download
memory/3572-18-0x000000000A620000-0x000000000A621000-memory.dmp

Filesize
4KB

Download
memory/3572-19-0x000000000B310000-0x000000000B311000-memory.dmp

Filesize
4KB

Download
memory/3572-20-0x000000000B4E0000-0x000000000B4E1000-memory.dmp

Filesize
4KB

Download
memory/3572-21-0x000000000BB20000-0x000000000BB21000-memory.dmp

Filesize
4KB

Download
memory/3572-22-0x000000000BBC0000-0x000000000BBC1000-memory.dmp

Filesize
4KB

Download
memory/3572-23-0x000000000BC50000-0x000000000BC51000-memory.dmp

Filesize
4KB

Download
memory/3572-24-0x000000000BEB0000-0x000000000BEB1000-memory.dmp

Filesize
4KB

Download
memory/3572-25-0x000000000D0C0000-0x000000000D0C1000-memory.dmp

Filesize
4KB

Download
memory/3940-2-0x00000000054F4000-0x00000000054F5000-memory.dmp

Filesize
4KB

Download
memory/3940-3-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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