redline | e10a0b049f468fe1e88dc589c37e6743a248f6f9461f99b0c1ac983694fe958e

General

Target

QUOTE_27788387_0092338_0019992DOC.exe
Size

1.2MB
MD5

63504c97d96f3c4516632d9dd03a7598
SHA1

21389d6e11b286852168cbc78b6636669d015b11
SHA256

e10a0b049f468fe1e88dc589c37e6743a248f6f9461f99b0c1ac983694fe958e
SHA512

7ad45d449a99747e9968d9bd35c8ac378e62206f4f6f729da2199548f7f202281721eef5d648945d0b0a5890bce58cc0c02a96429759902a9f31814eeb194e7f

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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1108-6-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/1108-7-0x0000000000420652-mapping.dmp	family_redline
behavioral1/memory/1108-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/1108-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1532 cmd.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
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

8 checkip.amazonaws.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

QUOTE_27788387_0092338_0019992DOC.exe

description pid process target process

PID 1696 set thread context of 1108 1696 QUOTE_27788387_0092338_0019992DOC.exe QUOTE_27788387_0092338_0019992DOC.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

840 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

QUOTE_27788387_0092338_0019992DOC.exe

pid process

1108 QUOTE_27788387_0092338_0019992DOC.exe
1108 QUOTE_27788387_0092338_0019992DOC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

QUOTE_27788387_0092338_0019992DOC.exe

description pid process

Token: SeDebugPrivilege 1108 QUOTE_27788387_0092338_0019992DOC.exe

pid	process
1532	cmd.exe

flow	ioc
8	checkip.amazonaws.com

description	pid	process	target process
PID 1696 set thread context of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe

pid	process
840	PING.EXE

pid	process
1108	QUOTE_27788387_0092338_0019992DOC.exe
1108	QUOTE_27788387_0092338_0019992DOC.exe

description	pid	process
Token: SeDebugPrivilege	1108	QUOTE_27788387_0092338_0019992DOC.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

QUOTE_27788387_0092338_0019992DOC.exeQUOTE_27788387_0092338_0019992DOC.execmd.exe

description	pid	process	target process
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1696 wrote to memory of 1108	1696	QUOTE_27788387_0092338_0019992DOC.exe	QUOTE_27788387_0092338_0019992DOC.exe
PID 1108 wrote to memory of 1532	1108	QUOTE_27788387_0092338_0019992DOC.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	QUOTE_27788387_0092338_0019992DOC.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	QUOTE_27788387_0092338_0019992DOC.exe	cmd.exe
PID 1108 wrote to memory of 1532	1108	QUOTE_27788387_0092338_0019992DOC.exe	cmd.exe
PID 1532 wrote to memory of 840	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 840	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 840	1532	cmd.exe	PING.EXE
PID 1532 wrote to memory of 840	1532	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\QUOTE_27788387_0092338_0019992DOC.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE_27788387_0092338_0019992DOC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\QUOTE_27788387_0092338_0019992DOC.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE_27788387_0092338_0019992DOC.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del "C:\Users\Admin\AppData\Local\Temp\QUOTE_27788387_0092338_0019992DOC.exe"
3⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-14-0x0000000000000000-mapping.dmp

Download
memory/1108-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-7-0x0000000000420652-mapping.dmp

Download
memory/1108-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-10-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1532-13-0x0000000000000000-mapping.dmp

Download
memory/1696-2-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-3-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1696-5-0x00000000001F0000-0x0000000000219000-memory.dmp

Filesize
164KB

Download

Analysis

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