redline | f75de77adc9eed21ec758c9f4616bd5a3b83022ed16b682406befad45e6f105b

Resubmissions

08/12/2024, 20:14

241208-y1frratmdt 10

14/06/2023, 10:22

230614-mecx7agc3x 10

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/12/2024, 20:14

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General

Target

wtrelaxing.exe
Size

5.3MB
MD5

ec9d7eb68b700dc7f81b7a808c4642ec
SHA1

b9774feebd7f0c5335e50620dfb3659c7bb5d444
SHA256

f75de77adc9eed21ec758c9f4616bd5a3b83022ed16b682406befad45e6f105b
SHA512

08c2b36b6b2ef47b1d9e7fee1fc9d608940ff45799b83eba09293ef025c2ca574ae00f4597e93fcd0c61df008c06ee727f334bf58d4e577a936b057fa004bd7e
SSDEEP

98304:XRN2eOEkA62kikrRBDAlHXtA84Pzwa3PPFRSlNTVdmynxIRAEQO1T1tCneS:X/hy2ki0RZq36lLJ3PPFRSzTVcST1y1E

Score

10^/10

redline 1223 discovery infostealer

Malware Config

Extracted

Family

redline

Botnet

1223

80.85.241.28:36723

Attributes

auth_value
1162933edb12f699eedc4c04dd76667a

Signatures

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

RedLine payload 5 IoCs

resource	yara_rule
behavioral1/memory/2340-6-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/2340-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/2340-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/2340-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/2340-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline

Redline family
redline
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 2340	1488	wtrelaxing.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wtrelaxing.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31
PID 1488 wrote to memory of 2340	1488	wtrelaxing.exe	31

C:\Users\Admin\AppData\Local\Temp\wtrelaxing.exe
"C:\Users\Admin\AppData\Local\Temp\wtrelaxing.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1488-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/1488-1-0x0000000000F00000-0x000000000144C000-memory.dmp

Filesize
5.3MB

Download
memory/1488-2-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/1488-15-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2340-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-16-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2340-17-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-18-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-19-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download