redline | a8ae3cb248fb4721b27615276393e430bae895d37794b917f09980bd31c1176c

General

Target

d14c5abda3f4a18a156a590b4ea1155e.exe
Size

593KB
MD5

d14c5abda3f4a18a156a590b4ea1155e
SHA1

372372e6c47676aa81e49a69bfe2df2052f43b0c
SHA256

a8ae3cb248fb4721b27615276393e430bae895d37794b917f09980bd31c1176c
SHA512

0dd28d4f3a9c6c4dcf348c2922c3f635569f0f880825fdc1cb916465e54d9f85af9ad0fd05299ebe0cd142367e09b2ab2020572737c5c9d312c7bebab63f2e1e

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/3748-11-0x0000000006E50000-0x0000000006E74000-memory.dmp	family_redline
behavioral2/memory/3748-13-0x0000000007010000-0x0000000007032000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

3748 bestof.exe

pid	process
3748	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

13 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
13	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:

d14c5abda3f4a18a156a590b4ea1155e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	d14c5abda3f4a18a156a590b4ea1155e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d14c5abda3f4a18a156a590b4ea1155e.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3884 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bestof.exe

pid process

3748 bestof.exe
3748 bestof.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bestof.exe

description pid process

Token: SeDebugPrivilege 3748 bestof.exe

pid	process
3884	PING.EXE

pid	process
3748	bestof.exe
3748	bestof.exe

description	pid	process
Token: SeDebugPrivilege	3748	bestof.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d14c5abda3f4a18a156a590b4ea1155e.exebestof.execmd.exe

description	pid	process	target process
PID 640 wrote to memory of 3748	640	d14c5abda3f4a18a156a590b4ea1155e.exe	bestof.exe
PID 640 wrote to memory of 3748	640	d14c5abda3f4a18a156a590b4ea1155e.exe	bestof.exe
PID 640 wrote to memory of 3748	640	d14c5abda3f4a18a156a590b4ea1155e.exe	bestof.exe
PID 3748 wrote to memory of 848	3748	bestof.exe	cmd.exe
PID 3748 wrote to memory of 848	3748	bestof.exe	cmd.exe
PID 3748 wrote to memory of 848	3748	bestof.exe	cmd.exe
PID 848 wrote to memory of 3884	848	cmd.exe	PING.EXE
PID 848 wrote to memory of 3884	848	cmd.exe	PING.EXE
PID 848 wrote to memory of 3884	848	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\d14c5abda3f4a18a156a590b4ea1155e.exe
"C:\Users\Admin\AppData\Local\Temp\d14c5abda3f4a18a156a590b4ea1155e.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:640

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:3748

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
3⤵
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:3884

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
ce62304c3eff639e1b2352667a569b8a

SHA1
5a5cb774b59befe102fe04e93d9853cfbda3334b

SHA256
e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62

SHA512
99d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41

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

MD5
ce62304c3eff639e1b2352667a569b8a

SHA1
5a5cb774b59befe102fe04e93d9853cfbda3334b

SHA256
e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62

SHA512
99d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41

Download Submit
memory/640-2-0x0000000004FDB000-0x0000000004FDC000-memory.dmp

Filesize
4KB

Download
memory/640-3-0x00000000052D0000-0x00000000052D1000-memory.dmp

Filesize
4KB

Download
memory/848-26-0x0000000000000000-mapping.dmp

Download
memory/3748-14-0x00000000099D0000-0x00000000099D1000-memory.dmp

Filesize
4KB

Download
memory/3748-18-0x000000000A230000-0x000000000A231000-memory.dmp

Filesize
4KB

Download
memory/3748-9-0x0000000007090000-0x0000000007091000-memory.dmp

Filesize
4KB

Download
memory/3748-10-0x0000000072F20000-0x000000007360E000-memory.dmp

Filesize
6.9MB

Download
memory/3748-11-0x0000000006E50000-0x0000000006E74000-memory.dmp

Filesize
144KB

Download
memory/3748-12-0x00000000094D0000-0x00000000094D1000-memory.dmp

Filesize
4KB

Download
memory/3748-13-0x0000000007010000-0x0000000007032000-memory.dmp

Filesize
136KB

Download
memory/3748-7-0x0000000005007000-0x0000000005008000-memory.dmp

Filesize
4KB

Download
memory/3748-15-0x000000000A020000-0x000000000A021000-memory.dmp

Filesize
4KB

Download
memory/3748-16-0x000000000A060000-0x000000000A061000-memory.dmp

Filesize
4KB

Download
memory/3748-17-0x000000000A0B0000-0x000000000A0B1000-memory.dmp

Filesize
4KB

Download
memory/3748-8-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/3748-19-0x000000000AF20000-0x000000000AF21000-memory.dmp

Filesize
4KB

Download
memory/3748-20-0x000000000B0F0000-0x000000000B0F1000-memory.dmp

Filesize
4KB

Download
memory/3748-21-0x000000000B730000-0x000000000B731000-memory.dmp

Filesize
4KB

Download
memory/3748-22-0x000000000B7D0000-0x000000000B7D1000-memory.dmp

Filesize
4KB

Download
memory/3748-23-0x000000000B860000-0x000000000B861000-memory.dmp

Filesize
4KB

Download
memory/3748-24-0x000000000BAC0000-0x000000000BAC1000-memory.dmp

Filesize
4KB

Download
memory/3748-25-0x000000000CCC0000-0x000000000CCC1000-memory.dmp

Filesize
4KB

Download
memory/3748-4-0x0000000000000000-mapping.dmp

Download
memory/3884-27-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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