redline | a1dc211e8d06ae69e12064fc0864bde685922fcd92d4ac0caef224dd97d65769

Analysis

max time kernel
144s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 15:33

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General

Target

83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe
Size

1.4MB
MD5

19878e2bfef041ccd5a1cea0f7cfe0fb
SHA1

a9a4317a394a2cc6aac267ac490bd6ea51fa7d20
SHA256

83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df
SHA512

0bdeb868cfdb07da3f006a29cbaf8b5e7d4ca182274e06e1bcaca768ced57aa74a71de2c3fd08d521f1de9bc6352537ab3e55631a17ec6e716d55d95e641b5ed
SSDEEP

12288:+njobiYt1nWZQzjFeM6DJOjB9sTTHyFCLw1gTFT0GeIJl3DL6irTPFi9:ht1nYQb6VOhC02KI73DI

Score

10^/10

redline colybr discovery infostealer

Malware Config

Extracted

Family

redline

Botnet

colybr

188.119.112.156:24790

Attributes

auth_value
f6f76d681091d5a2764934b620eadcac

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
behavioral5/memory/2672-18-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral5/memory/2672-23-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral5/memory/2672-22-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral5/memory/2672-21-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral5/memory/2672-16-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

Redline family
redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 540 set thread context of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1248	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	powershell.exe
Token: SeDebugPrivilege	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1248	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	31
PID 540 wrote to memory of 1248	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	31
PID 540 wrote to memory of 1248	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	31
PID 540 wrote to memory of 1248	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	31
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33
PID 540 wrote to memory of 2672	540	83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe	33

C:\Users\Admin\AppData\Local\Temp\83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe
"C:\Users\Admin\AppData\Local\Temp\83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1248
- C:\Users\Admin\AppData\Local\Temp\83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe
  C:\Users\Admin\AppData\Local\Temp\83b22007defc15dd65e5de5ca50e65a0506d26906e20247dac15086ba5e421df.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/540-24-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/540-1-0x0000000000190000-0x00000000002F8000-memory.dmp

Filesize
1.4MB

Download
memory/540-2-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/540-3-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/540-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/540-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/540-6-0x0000000004340000-0x00000000043F4000-memory.dmp

Filesize
720KB

Download
memory/540-7-0x0000000004540000-0x00000000045D2000-memory.dmp

Filesize
584KB

Download
memory/540-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/1248-10-0x0000000002D60000-0x0000000002DA0000-memory.dmp

Filesize
256KB

Download
memory/1248-11-0x0000000002D60000-0x0000000002DA0000-memory.dmp

Filesize
256KB

Download
memory/2672-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2672-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2672-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2672-23-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2672-22-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2672-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2672-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download