redline | 257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429

General

Target

257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe
Size

479KB
MD5

d6eddde5086af38aa7218f22c8232e2d
SHA1

a0a4860585cdfdd26bf4ee8649c8b3eb1a72df4b
SHA256

257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429
SHA512

36cb41f2ddf42cef279e44c8307ee39a5e667fd543717f98c5e5e7096acc0f047880c149f658cf14149cc1e97ef0e7121b4e94e3120db66541c695dac8aa555e
SSDEEP

12288:vMr+y90Lykw7egV+gDYK+lUPLlSe88zF:Ryu98+Qojk

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/0x0008000000023c69-12.dat	family_redline
behavioral1/memory/2952-15-0x0000000000040000-0x0000000000070000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2196	x5259080.exe
2952	g5711687.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\\\""	257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.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\\\""	x5259080.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	257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x5259080.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g5711687.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2196	2128	257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe	85
PID 2128 wrote to memory of 2196	2128	257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe	85
PID 2128 wrote to memory of 2196	2128	257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe	85
PID 2196 wrote to memory of 2952	2196	x5259080.exe	86
PID 2196 wrote to memory of 2952	2196	x5259080.exe	86
PID 2196 wrote to memory of 2952	2196	x5259080.exe	86

C:\Users\Admin\AppData\Local\Temp\257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe
"C:\Users\Admin\AppData\Local\Temp\257a2a92d94a2268bc2bb34d6488d2e44db314051cc33ea01e905faab1741429.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5259080.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5259080.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5711687.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5711687.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2952

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5259080.exe

Filesize
307KB

MD5
b258b00171977f867a4ddec4b57f6528

SHA1
c713265ae9fba890a77130f3c07055137a0a7f39

SHA256
f9bbfc6f8bc6aae3143955b98db94750ec5b81bed056bff6cff9cf0aaefb74be

SHA512
6cf3193a9e9f3399dc461911d7bd7fa00fce23fda1cd0ebe47d9d3eb17fb8aeeb9654a2ac71d9cb7dd7459dbbdaecf90f9e89e6f904646440aef0c2e47d499ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5711687.exe

Filesize
168KB

MD5
0b7a25333e1a5226cf2520ab1cbb77cd

SHA1
c877fd518b1a6b0774154af7c4428625b081bbfb

SHA256
f14fe9edc10f008be6ebf3fa29722b81580fcbeb92ad9846119af30731a79657

SHA512
affa0c0ac07b2a72d5425d1e41834b2fa988459aa8dde7470bf53f140c3ab9b836389d50c6badedecd92bb9a54ab9a0586ba49bb5c70e36fb7ea8ca5e4571407

Download Submit
memory/2952-14-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2952-15-0x0000000000040000-0x0000000000070000-memory.dmp

Filesize
192KB

Download
memory/2952-16-0x0000000004860000-0x0000000004866000-memory.dmp

Filesize
24KB

Download
memory/2952-17-0x0000000005060000-0x0000000005678000-memory.dmp

Filesize
6.1MB

Download
memory/2952-18-0x0000000004B50000-0x0000000004C5A000-memory.dmp

Filesize
1.0MB

Download
memory/2952-19-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/2952-20-0x0000000004A40000-0x0000000004A7C000-memory.dmp

Filesize
240KB

Download
memory/2952-21-0x00000000742A0000-0x0000000074A50000-memory.dmp

Filesize
7.7MB

Download
memory/2952-22-0x0000000004A80000-0x0000000004ACC000-memory.dmp

Filesize
304KB

Download
memory/2952-23-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2952-24-0x00000000742A0000-0x0000000074A50000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads