redline | 7bf35cd2cf457599cc3c668104837de3176d720abf58ed22f35e6777758aa926

General

Target

URA/Installer.exe
Size

1.6MB
MD5

8a1995805ad65999ec546a1074ac9887
SHA1

11d5589ca5ebb127ea57b89ee5da89e0b64fa4c6
SHA256

2040517dac0b553d4a589bb8c14ca4329022e0ce5e5d0ef0f2c08a2deb10fb5b
SHA512

cad4e187956e4db24d291ea725caf89439440eb97ebe9fa76438b76ada66ecc01a4143bf688c6506ec5148c79338e7f581305d2cb8ad17552c558c62706ae777

Score

10^/10

redline mastif discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

mastif

C2

91.121.146.23:9519

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
behavioral4/memory/3568-125-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral4/memory/3568-126-0x0000000000418E3A-mapping.dmp	family_redline
behavioral4/memory/3568-135-0x0000000004FC0000-0x00000000055C6000-memory.dmp	family_redline

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral4/memory/656-122-0x0000000005CD0000-0x0000000005CDB000-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:

Installer.exe

description pid process target process

PID 656 set thread context of 3568 656 Installer.exe Installer.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Installer.exeInstaller.exe

pid process

656 Installer.exe
656 Installer.exe
3568 Installer.exe
3568 Installer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Installer.exeInstaller.exe

description pid process

Token: SeDebugPrivilege 656 Installer.exe
Token: SeDebugPrivilege 3568 Installer.exe

description	pid	process	target process
PID 656 set thread context of 3568	656	Installer.exe	Installer.exe

pid	process
656	Installer.exe
656	Installer.exe
3568	Installer.exe
3568	Installer.exe

description	pid	process
Token: SeDebugPrivilege	656	Installer.exe
Token: SeDebugPrivilege	3568	Installer.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Installer.exe

description	pid	process	target process
PID 656 wrote to memory of 3292	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3292	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3292	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe
PID 656 wrote to memory of 3568	656	Installer.exe	Installer.exe

C:\Users\Admin\AppData\Local\Temp\URA\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\URA\Installer.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:656

C:\Users\Admin\AppData\Local\Temp\URA\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\URA\Installer.exe"
2⤵
PID:3292

C:\Users\Admin\AppData\Local\Temp\URA\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\URA\Installer.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3568

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Installer.exe.log
MD5
5b50852bf977f644bcd5997b7b5883c1

SHA1
8b53694b796620422b366dc5b8dbb3ce3060473c

SHA256
667bc8c8d53eddf6355877344b669db4fb9762e6320afc7316c3786213a254a9

SHA512
7e794fa7de5eca585000ef840ca821f36205d25b389747339d8b8d58b1ef3cd16306e62288f86027cbe6a76eeccc9dc7634a11c94ba551f3ce42ee874fac712d

Download Submit
memory/656-121-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/656-118-0x0000000005B70000-0x0000000005B71000-memory.dmp

Filesize
4KB

Download
memory/656-116-0x0000000005A80000-0x0000000005A81000-memory.dmp

Filesize
4KB

Download
memory/656-119-0x0000000003570000-0x0000000003571000-memory.dmp

Filesize
4KB

Download
memory/656-120-0x0000000005D00000-0x0000000005D01000-memory.dmp

Filesize
4KB

Download
memory/656-114-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/656-122-0x0000000005CD0000-0x0000000005CDB000-memory.dmp

Filesize
44KB

Download
memory/656-123-0x0000000008200000-0x0000000008287000-memory.dmp

Filesize
540KB

Download
memory/656-124-0x000000000A790000-0x000000000A7AC000-memory.dmp

Filesize
112KB

Download
memory/656-117-0x0000000006070000-0x0000000006071000-memory.dmp

Filesize
4KB

Download
memory/3568-142-0x0000000006C80000-0x0000000006C81000-memory.dmp

Filesize
4KB

Download
memory/3568-130-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/3568-125-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3568-131-0x0000000005010000-0x0000000005011000-memory.dmp

Filesize
4KB

Download
memory/3568-132-0x0000000005070000-0x0000000005071000-memory.dmp

Filesize
4KB

Download
memory/3568-133-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/3568-134-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/3568-135-0x0000000004FC0000-0x00000000055C6000-memory.dmp

Filesize
6.0MB

Download
memory/3568-136-0x00000000065D0000-0x00000000065D1000-memory.dmp

Filesize
4KB

Download
memory/3568-137-0x0000000006CD0000-0x0000000006CD1000-memory.dmp

Filesize
4KB

Download
memory/3568-139-0x00000000067A0000-0x00000000067A1000-memory.dmp

Filesize
4KB

Download
memory/3568-140-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

Filesize
4KB

Download
memory/3568-126-0x0000000000418E3A-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads