redline | bad26efdc40a035c41f2e5bc89bb10fabbe1acb2191d852d46fe885a27dbbb1d

General

Target

DOCUSIGN_900282998344093313PDF.exe
Size

695KB
MD5

3b62d04ade6453f581a87ba1679ec88c
SHA1

b6ea8c0f0c5583f7854ff211871be615e1cf8ef7
SHA256

bad26efdc40a035c41f2e5bc89bb10fabbe1acb2191d852d46fe885a27dbbb1d
SHA512

ba6c53fa25fc1a5d39c5a42ce87bdfc8d65ff60dd9481a7753ed0ddd3ff54aa4c2ecf3f0ac1cb701b1e6f5e7ca088286e7afb75e90bf6836b78a209c5477ba37

Score

10^/10

redline discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

newlife957.duckdns.org:7225

Signatures

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

RedLine Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2228-124-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/2228-125-0x000000000041883A-mapping.dmp	family_redline
behavioral2/memory/2228-133-0x0000000004D10000-0x0000000005316000-memory.dmp	family_redline

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/992-121-0x0000000004CE0000-0x0000000004CEB000-memory.dmp	CustAttr

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:

DOCUSIGN_900282998344093313PDF.exe

description pid process target process

PID 992 set thread context of 2228 992 DOCUSIGN_900282998344093313PDF.exe DOCUSIGN_900282998344093313PDF.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DOCUSIGN_900282998344093313PDF.exe

pid process

2228 DOCUSIGN_900282998344093313PDF.exe
2228 DOCUSIGN_900282998344093313PDF.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

DOCUSIGN_900282998344093313PDF.exe

description pid process

Token: SeDebugPrivilege 2228 DOCUSIGN_900282998344093313PDF.exe

description	pid	process	target process
PID 992 set thread context of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe

pid	process
2228	DOCUSIGN_900282998344093313PDF.exe
2228	DOCUSIGN_900282998344093313PDF.exe

description	pid	process
Token: SeDebugPrivilege	2228	DOCUSIGN_900282998344093313PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

DOCUSIGN_900282998344093313PDF.exe

description	pid	process	target process
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe
PID 992 wrote to memory of 2228	992	DOCUSIGN_900282998344093313PDF.exe	DOCUSIGN_900282998344093313PDF.exe

C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOCUSIGN_900282998344093313PDF.exe.log
MD5
c3cc52ccca9ff2b6fa8d267fc350ca6b

SHA1
a68d4028333296d222e4afd75dea36fdc98d05f3

SHA256
3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

SHA512
b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

Download Submit
memory/992-114-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/992-116-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/992-117-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download
memory/992-118-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/992-119-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/992-120-0x0000000004A60000-0x0000000004F5E000-memory.dmp

Filesize
5.0MB

Download
memory/992-121-0x0000000004CE0000-0x0000000004CEB000-memory.dmp

Filesize
44KB

Download
memory/992-122-0x0000000006940000-0x00000000069A2000-memory.dmp

Filesize
392KB

Download
memory/992-123-0x0000000004D60000-0x0000000004D80000-memory.dmp

Filesize
128KB

Download
memory/2228-125-0x000000000041883A-mapping.dmp

Download
memory/2228-124-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2228-129-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/2228-130-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/2228-131-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/2228-132-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/2228-133-0x0000000004D10000-0x0000000005316000-memory.dmp

Filesize
6.0MB

Download
memory/2228-134-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/2228-135-0x0000000006330000-0x0000000006331000-memory.dmp

Filesize
4KB

Download
memory/2228-136-0x0000000006A30000-0x0000000006A31000-memory.dmp

Filesize
4KB

Download
memory/2228-138-0x0000000006500000-0x0000000006501000-memory.dmp

Filesize
4KB

Download
memory/2228-140-0x00000000068E0000-0x00000000068E1000-memory.dmp

Filesize
4KB

Download
memory/2228-141-0x0000000006A00000-0x0000000006A01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads