redline | fe3a327cad05044ff556ac57cfd99184cc4e73fc07cb799db2e9f17594effb7d

General

Target

DOCU_SIGN09986122877540087PDF.exe
Size

1.2MB
MD5

4ec190efb6a034de4da8834bb8265710
SHA1

4c6ef9594118d1badfafe347bbbb20bae74f3f14
SHA256

fe3a327cad05044ff556ac57cfd99184cc4e73fc07cb799db2e9f17594effb7d
SHA512

7e88fa45ae298a4361a62afb98730eb13db3a16a3b02f01f0926275f33086a2c7d4a26ec0f425ec9970328c882e8ed084210592ecb7dc19ee431b061bd9c78a6

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
behavioral1/memory/472-67-0x000000000041883A-mapping.dmp	family_redline
behavioral1/memory/472-66-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/472-68-0x0000000000400000-0x000000000041E000-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:

DOCU_SIGN09986122877540087PDF.exe

description pid process target process

PID 1080 set thread context of 472 1080 DOCU_SIGN09986122877540087PDF.exe DOCU_SIGN09986122877540087PDF.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exe

pid process

472 DOCU_SIGN09986122877540087PDF.exe
472 DOCU_SIGN09986122877540087PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exeDOCU_SIGN09986122877540087PDF.exe

description pid process

Token: SeDebugPrivilege 1080 DOCU_SIGN09986122877540087PDF.exe
Token: SeDebugPrivilege 472 DOCU_SIGN09986122877540087PDF.exe

description	pid	process	target process
PID 1080 set thread context of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe

pid	process
472	DOCU_SIGN09986122877540087PDF.exe
472	DOCU_SIGN09986122877540087PDF.exe

description	pid	process
Token: SeDebugPrivilege	1080	DOCU_SIGN09986122877540087PDF.exe
Token: SeDebugPrivilege	472	DOCU_SIGN09986122877540087PDF.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

DOCU_SIGN09986122877540087PDF.exe

description	pid	process	target process
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe
PID 1080 wrote to memory of 472	1080	DOCU_SIGN09986122877540087PDF.exe	DOCU_SIGN09986122877540087PDF.exe

C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080

C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DOCU_SIGN09986122877540087PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:472

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/472-67-0x000000000041883A-mapping.dmp

Download
memory/472-66-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/472-68-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/472-70-0x00000000043F0000-0x00000000043F1000-memory.dmp

Filesize
4KB

Download
memory/1080-60-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/1080-62-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/1080-63-0x0000000000330000-0x000000000035D000-memory.dmp

Filesize
180KB

Download
memory/1080-64-0x0000000005070000-0x00000000050D3000-memory.dmp

Filesize
396KB

Download
memory/1080-65-0x00000000005C0000-0x00000000005DE000-memory.dmp

Filesize
120KB

Download

Analysis

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