redline | 3f3a020f63daef5ffa7c2eb9014452dfa913cc6ff977e5747e6f0c854d849358

General

Target

Fri05a277b9a3d2.exe
Size

383KB
MD5

8958066e38eb4b70f922db2c23457c18
SHA1

27aff4aed5d4c782e9170ba124a3a1f90d979e6a
SHA256

3f3a020f63daef5ffa7c2eb9014452dfa913cc6ff977e5747e6f0c854d849358
SHA512

c2b73802a4b3350290d40bf2aa3942d92239eea4f69ab13fcce84090093e13d7950e3c32d565880a9ec74b8898cb82bb63e04a53505d9ef5f3aea812f8a68236

Score

10^/10

redline media21 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

media21

C2

91.121.67.60:23325

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 5 IoCs

Processes:

resource	yara_rule
behavioral3/memory/1860-59-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral3/memory/1860-60-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral3/memory/1860-61-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral3/memory/1860-62-0x0000000000418532-mapping.dmp	family_redline
behavioral3/memory/1860-63-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Fri05a277b9a3d2.exe

description pid process target process

PID 296 set thread context of 1860 296 Fri05a277b9a3d2.exe Fri05a277b9a3d2.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Fri05a277b9a3d2.exe

pid process

1860 Fri05a277b9a3d2.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Fri05a277b9a3d2.exe

description pid process

Token: SeDebugPrivilege 1860 Fri05a277b9a3d2.exe

description	pid	process	target process
PID 296 set thread context of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe

pid	process
1860	Fri05a277b9a3d2.exe

description	pid	process
Token: SeDebugPrivilege	1860	Fri05a277b9a3d2.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Fri05a277b9a3d2.exetaskeng.exe

description	pid	process	target process
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 296 wrote to memory of 1860	296	Fri05a277b9a3d2.exe	Fri05a277b9a3d2.exe
PID 780 wrote to memory of 916	780	taskeng.exe	default-browser-agent.exe
PID 780 wrote to memory of 916	780	taskeng.exe	default-browser-agent.exe
PID 780 wrote to memory of 916	780	taskeng.exe	default-browser-agent.exe

C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
"C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:296

C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1860

C:\Windows\system32\taskeng.exe
taskeng.exe {BAEB871B-7795-4D71-9C0D-1C6F776871C7} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1372

C:\Windows\system32\taskeng.exe
taskeng.exe {622983D0-AC92-4864-BB59-D5C15FEB24FF} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:780

C:\Program Files\Mozilla Firefox\default-browser-agent.exe
"C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
2⤵
PID:916

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/296-54-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/296-56-0x0000000004670000-0x0000000004671000-memory.dmp

Filesize
4KB

Download
memory/916-66-0x0000000000000000-mapping.dmp

Download
memory/1860-59-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1860-60-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1860-58-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1860-57-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1860-61-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1860-62-0x0000000000418532-mapping.dmp

Download
memory/1860-63-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1860-65-0x0000000004170000-0x0000000004171000-memory.dmp

Filesize
4KB

Download

Analysis

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