redline | 74e150367f59cc92a48c8725120865c7b94312981a09d981760431da4485ed50

General

Target

hotel-requirements.pdf/hotel-requirements.pdf.scr
Size

564.4MB
MD5

7faa29f9a965143cf67f27c1455111c1
SHA1

f5c34c4399c2fca31c6ac05e14a566374c6732a9
SHA256

a06612c8c0ff60c840da39e7d8571e949716bdec4c4a6582fdaae25216907fbe
SHA512

2caffe5412262a291fa76a5887ccff316b3983a675a16d97c4dcde087ae3d3ccdb9685f66dbc999d1ade1888d6df45d015e1dd9bc0d396a2abf8761949bf3dd6
SSDEEP

786432:MA5OgdnGFPsX2YiMiqN7z5EYUj4Vtpe9oA4Jxo88nvcVkf/2npG4U:M4d2oiU7z5EZMre9GJxo8q0Vkf8a

Score

10^/10

redline mastif infostealer spyware

Malware Config

Extracted

Family

redline

Botnet

Mastif

C2

78.47.242.225:15635

Attributes

auth_value
32b21fb55370c8e21f0f75577471534e

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

10 1100 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

Installer-Wizard_v1.4o.7n.exe

pid process

4292 Installer-Wizard_v1.4o.7n.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
10	1100	powershell.exe

pid	process
4292	Installer-Wizard_v1.4o.7n.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 26 IoCs

Processes:

powershell.exe

pid	process
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1100 set thread context of 4184 1100 powershell.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 1100 set thread context of 4184	1100	powershell.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exe

pid	process
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	1100	powershell.exe
Token: SeShutdownPrivilege	1100	powershell.exe
Token: SeCreatePagefilePrivilege	1100	powershell.exe
Token: SeDebugPrivilege	4184	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

hotel-requirements.pdf.scrInstaller-Wizard_v1.4o.7n.exepowershell.exe

description	pid	process	target process
PID 5004 wrote to memory of 4292	5004	hotel-requirements.pdf.scr	Installer-Wizard_v1.4o.7n.exe
PID 5004 wrote to memory of 4292	5004	hotel-requirements.pdf.scr	Installer-Wizard_v1.4o.7n.exe
PID 5004 wrote to memory of 4292	5004	hotel-requirements.pdf.scr	Installer-Wizard_v1.4o.7n.exe
PID 4292 wrote to memory of 1100	4292	Installer-Wizard_v1.4o.7n.exe	powershell.exe
PID 4292 wrote to memory of 1100	4292	Installer-Wizard_v1.4o.7n.exe	powershell.exe
PID 4292 wrote to memory of 1100	4292	Installer-Wizard_v1.4o.7n.exe	powershell.exe
PID 1100 wrote to memory of 4952	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4952	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4952	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe
PID 1100 wrote to memory of 4184	1100	powershell.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\hotel-requirements.pdf\hotel-requirements.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\hotel-requirements.pdf\hotel-requirements.pdf.scr" /S
1⤵
- Suspicious use of WriteProcessMemory
PID:5004

C:\Users\Admin\AppData\Local\Temp\Installer-Wizard_v1.4o.7n\Installer-Wizard_v1.4o.7n.exe
"C:\Users\Admin\AppData\Local\Temp\Installer-Wizard_v1.4o.7n\Installer-Wizard_v1.4o.7n.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4292

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe"
3⤵
- Blocklisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET/Framework/v4.0.30319/aspnet_compiler.exe
4⤵
PID:4952

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET/Framework/v4.0.30319/aspnet_compiler.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:4184

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Installer-Wizard_v1.4o.7n\Installer-Wizard_v1.4o.7n.exe
Filesize
74.3MB

MD5
4ca5ed9d8c94d36e9291d79f98194dc2

SHA1
de70cc4d3bcc448c092c5bd99ee661373f76383d

SHA256
5877e8427328cf96115d79d42767fa65c4b54212a0ade9becb8effbc8d3b7074

SHA512
d8552f61a3de0170ca5002b02b64dd6a9ab613c8e49b292f310596e52042534fc6b6cb03a71cd63fb9ff8234dd4ff46313b59f29db26e3043af078e6674caded

Download Submit
C:\Users\Admin\AppData\Local\Temp\Installer-Wizard_v1.4o.7n\Installer-Wizard_v1.4o.7n.exe
Filesize
74.3MB

MD5
4ca5ed9d8c94d36e9291d79f98194dc2

SHA1
de70cc4d3bcc448c092c5bd99ee661373f76383d

SHA256
5877e8427328cf96115d79d42767fa65c4b54212a0ade9becb8effbc8d3b7074

SHA512
d8552f61a3de0170ca5002b02b64dd6a9ab613c8e49b292f310596e52042534fc6b6cb03a71cd63fb9ff8234dd4ff46313b59f29db26e3043af078e6674caded

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2csicxd0.c1s.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1100-162-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-171-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-184-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-175-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-163-0x0000000007A20000-0x000000000809A000-memory.dmp

Filesize
6.5MB

Download
memory/1100-144-0x00000000050B0000-0x00000000056D8000-memory.dmp

Filesize
6.2MB

Download
memory/1100-145-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-164-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/1100-147-0x0000000005020000-0x0000000005042000-memory.dmp

Filesize
136KB

Download
memory/1100-166-0x00000000080D0000-0x00000000080F2000-memory.dmp

Filesize
136KB

Download
memory/1100-149-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/1100-168-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-159-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/1100-160-0x0000000006560000-0x00000000065A4000-memory.dmp

Filesize
272KB

Download
memory/1100-161-0x0000000007320000-0x0000000007396000-memory.dmp

Filesize
472KB

Download
memory/1100-167-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-143-0x0000000004A40000-0x0000000004A76000-memory.dmp

Filesize
216KB

Download
memory/1100-146-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/1100-148-0x0000000005850000-0x00000000058B6000-memory.dmp

Filesize
408KB

Download
memory/4184-172-0x0000000017F20000-0x0000000017F32000-memory.dmp

Filesize
72KB

Download
memory/4184-173-0x0000000018050000-0x000000001815A000-memory.dmp

Filesize
1.0MB

Download
memory/4184-180-0x000000001AB80000-0x000000001B0AC000-memory.dmp

Filesize
5.2MB

Download
memory/4184-169-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4184-170-0x0000000018480000-0x0000000018A98000-memory.dmp

Filesize
6.1MB

Download
memory/4184-179-0x0000000019B70000-0x0000000019D32000-memory.dmp

Filesize
1.8MB

Download
memory/4184-177-0x0000000019200000-0x0000000019250000-memory.dmp

Filesize
320KB

Download
memory/4184-176-0x0000000018F40000-0x0000000018F5E000-memory.dmp

Filesize
120KB

Download
memory/4184-174-0x0000000017F80000-0x0000000017FBC000-memory.dmp

Filesize
240KB

Download
memory/4292-142-0x000000000A2A0000-0x000000000A2AA000-memory.dmp

Filesize
40KB

Download
memory/4292-138-0x0000000000DE0000-0x0000000005826000-memory.dmp

Filesize
74.3MB

Download
memory/4292-140-0x000000000A1D0000-0x000000000A262000-memory.dmp

Filesize
584KB

Download
memory/4292-165-0x000000000A180000-0x000000000A190000-memory.dmp

Filesize
64KB

Download
memory/4292-139-0x000000000A880000-0x000000000AE24000-memory.dmp

Filesize
5.6MB

Download
memory/4292-141-0x000000000A180000-0x000000000A190000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads