redline | acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a

General

Target

acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe
Size

479KB
MD5

cac900fe7277a00749371af65a250edc
SHA1

908e26c246d6760963dfdbe24f5e3f9d6120a4f8
SHA256

acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a
SHA512

9295b6f5d0240e42330cc64090c833fbfecc2c0896c3a3072588cd621b6922c84124e2613d40604571fdcdff83dfe394ae5e351ccf9770b7b40ce417c56b8d36
SSDEEP

6144:KUy+bnr+ap0yN90QE7P9NCZ7EBGu2EVBllr/yvtB5CrEdpYDekUPbwpHBXG0Kr3a:AMruy90ZXu7EBj3lLyvzaASZhXD3F

Score

10^/10

redline dumud discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

dumud

C2

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

Signatures

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b86-12.dat	family_redline
behavioral1/memory/4268-15-0x0000000000890000-0x00000000008C0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
3204	x9116007.exe
4268	g8758296.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\\\""	acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe
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\\\""	x9116007.exe

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	x9116007.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g8758296.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 3204	3828	acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe	83
PID 3828 wrote to memory of 3204	3828	acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe	83
PID 3828 wrote to memory of 3204	3828	acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe	83
PID 3204 wrote to memory of 4268	3204	x9116007.exe	84
PID 3204 wrote to memory of 4268	3204	x9116007.exe	84
PID 3204 wrote to memory of 4268	3204	x9116007.exe	84

C:\Users\Admin\AppData\Local\Temp\acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe
"C:\Users\Admin\AppData\Local\Temp\acb4b2770caf496876797b2181d9690f92e610d5513d57574cc83296ae06c10a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9116007.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9116007.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3204
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g8758296.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g8758296.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4268

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\x9116007.exe

Filesize
308KB

MD5
e217cf2ee17cc8084f944ec6615630d8

SHA1
8bef609e3a28bb67a494718ba753c1858a7acc72

SHA256
7522ae1996811b7d25481d137a583b97026a8b151e5d5c0474e42b36df228660

SHA512
80c850de67ec17d033c200152cf568124d91cdd6ec572646d91902e211f40e44505a54676d1d514bb055ca2424c46d282beec69ef95f17261861785c1230dc19

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g8758296.exe

Filesize
168KB

MD5
2686ac6e78319f6f32cac9c2f9fdc10b

SHA1
c5cf1b90fe712d89e868863ce7102389d2369d56

SHA256
16e949092112cf8cf8cbdfef2dd3e7b2ceeec110d1a0a7905ffd6928157bfcec

SHA512
7abd5ed58224fddd7902c3235f2daeacc5f76a0d7dfa88a94b816e95a83c9a74323ae5c5185d90fe5ae823787cfa89700e70c42a241fd8ea8824a6ca7bb5ea4c

Download Submit
memory/4268-14-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/4268-15-0x0000000000890000-0x00000000008C0000-memory.dmp

Filesize
192KB

Download
memory/4268-16-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/4268-17-0x000000000ABD0000-0x000000000B1E8000-memory.dmp

Filesize
6.1MB

Download
memory/4268-18-0x000000000A700000-0x000000000A80A000-memory.dmp

Filesize
1.0MB

Download
memory/4268-19-0x000000000A630000-0x000000000A642000-memory.dmp

Filesize
72KB

Download
memory/4268-20-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4268-21-0x000000000A690000-0x000000000A6CC000-memory.dmp

Filesize
240KB

Download
memory/4268-22-0x0000000004BC0000-0x0000000004C0C000-memory.dmp

Filesize
304KB

Download
memory/4268-23-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/4268-24-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads