redline | c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588

General

Target

c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe
Size

1.1MB
MD5

cf5ddc93c9ea8f58ea2e02a810e775a2
SHA1

47cbe4eb9c02759b926f348c6878fae66c3b3af4
SHA256

c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588
SHA512

52e1897ee6ad67705740cbed9f7a074fcd7e205b212a4a968238d9bfd3b5cc2eeae6067ed8d47e94a5de1411d0c80aa417705b85ca773e3b753c90a83fa35e6d
SSDEEP

24576:uy1B1Ra1ecvA5+pn4+8tpfcSZ2t614tjcI:915apI5Yn4tpfek1wc

Score

10^/10

redline doma discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

Signatures

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

RedLine payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f8760437.exe	family_redline
behavioral1/memory/4700-21-0x00000000003F0000-0x000000000041A000-memory.dmp	family_redline

Redline family
redline
Executes dropped EXE 3 IoCs

Processes:

x5623824.exex2517338.exef8760437.exe

pid process

2796 x5623824.exe
4204 x2517338.exe
4700 f8760437.exe

pid	process
2796	x5623824.exe
4204	x2517338.exe
4700	f8760437.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

x5623824.exex2517338.exec38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x5623824.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	x2517338.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exex5623824.exex2517338.exef8760437.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x5623824.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x2517338.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8760437.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exex5623824.exex2517338.exe

description	pid	process	target process
PID 4960 wrote to memory of 2796	4960	c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe	x5623824.exe
PID 4960 wrote to memory of 2796	4960	c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe	x5623824.exe
PID 4960 wrote to memory of 2796	4960	c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe	x5623824.exe
PID 2796 wrote to memory of 4204	2796	x5623824.exe	x2517338.exe
PID 2796 wrote to memory of 4204	2796	x5623824.exe	x2517338.exe
PID 2796 wrote to memory of 4204	2796	x5623824.exe	x2517338.exe
PID 4204 wrote to memory of 4700	4204	x2517338.exe	f8760437.exe
PID 4204 wrote to memory of 4700	4204	x2517338.exe	f8760437.exe
PID 4204 wrote to memory of 4700	4204	x2517338.exe	f8760437.exe

C:\Users\Admin\AppData\Local\Temp\c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe
"C:\Users\Admin\AppData\Local\Temp\c38b804811fdffe3f3e3aaf89496df2b69a5ca8e202c27d47c0b9f361214b588.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5623824.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5623824.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2517338.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2517338.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4204
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f8760437.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f8760437.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5623824.exe

Filesize
749KB

MD5
ed9f1aa3d269f45baa4de1b1e01f5b3c

SHA1
a29e9f375ad9fc28d09af9d42b3569b97dc884a7

SHA256
1b3577b5fc1cd1e5a11a5c77b4f16e5ef558b750844de745fffca681700bff56

SHA512
a4a6a2b2cf3fb643dd9af5b17aa482af3b9ef00c17b723b50bb67c97435b12d4162587522c5bdb41c76170edd3e9ab98dae56695ba3841cc20d0c72ae1e4d39e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2517338.exe

Filesize
304KB

MD5
bc0778ff2b92288410740883872e57f2

SHA1
5078f9fb09102fb097333ba3d7717742e3798659

SHA256
4726f484e43599f109f00ff9fbcd54cca4fe62977ba8f3a864345f0441cff93f

SHA512
e7ae1fc720fefc1a0830e5913217517b1221cba32dc4f09f156123febf2f7a843541e4513583388afd5bf2814d0978348b80670ddb1316d1fd10a9e0bc923fd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f8760437.exe

Filesize
145KB

MD5
958e41ae436695e04c407c2ee5434aad

SHA1
82d074299a1db1a829c3ceb2744547ada824eb0c

SHA256
6e1903e55039a98bcaec1d1d13e8b24e1a6eee6c2a5d74cf80f09ec829a1eb7e

SHA512
7accd0a438afcff6eadcd229f92c36211b099f3aa763d2aa94fde9784526ed9a17aaef17d7102cf04a65c5593692e94e547b3b45f359cbd8baed59cd18a7b110

Download Submit
memory/4700-21-0x00000000003F0000-0x000000000041A000-memory.dmp

Filesize
168KB

Download
memory/4700-22-0x0000000005340000-0x0000000005958000-memory.dmp

Filesize
6.1MB

Download
memory/4700-23-0x0000000004EC0000-0x0000000004FCA000-memory.dmp

Filesize
1.0MB

Download
memory/4700-24-0x0000000004DF0000-0x0000000004E02000-memory.dmp

Filesize
72KB

Download
memory/4700-25-0x0000000004E80000-0x0000000004EBC000-memory.dmp

Filesize
240KB

Download
memory/4700-26-0x0000000004FD0000-0x000000000501C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads