redline | a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6e

General

Target

a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe
Size

843KB
MD5

7fb3198df2bcc168016bbcd4983c69a0
SHA1

22e55a77d8cb24035b74d5fb7e77f20bdfe586e1
SHA256

a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6e
SHA512

955628099a6d14d2f05d886c812bc486d2862a02070019bdc4642b05e4a88c5371f5827146c0fc3f0b434df1fb2702458c4e1e80da05084a562f5a01399d57b5
SSDEEP

24576:7ykBD9XEl3AWIBZ1FcKVSp/EQKRlP/oTH:uyXEVABv1NucjTP/K

Score

10^/10

redline most discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

most

C2

185.161.248.73:4164

Attributes

auth_value
7da4dfa153f2919e617aa016f7c36008

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/0x000b000000023b9a-12.dat	family_redline
behavioral1/memory/2416-15-0x0000000000600000-0x0000000000630000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
5024	i17587881.exe
2416	a81463501.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\\\""	a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.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\\\""	i17587881.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	a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i17587881.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a81463501.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 5024	5100	a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe	84
PID 5100 wrote to memory of 5024	5100	a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe	84
PID 5100 wrote to memory of 5024	5100	a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe	84
PID 5024 wrote to memory of 2416	5024	i17587881.exe	85
PID 5024 wrote to memory of 2416	5024	i17587881.exe	85
PID 5024 wrote to memory of 2416	5024	i17587881.exe	85

C:\Users\Admin\AppData\Local\Temp\a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe
"C:\Users\Admin\AppData\Local\Temp\a33855710d3f9faeecdfa4c080fb3c57baedb28120b268b071dc7a72d463ab6eN.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i17587881.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i17587881.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a81463501.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a81463501.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2416

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\i17587881.exe

Filesize
371KB

MD5
bebafa5a7cc0b590c134509458ed36e8

SHA1
b49f6845894338ccf26205d1bf218ca76bb2d5cc

SHA256
2cb061197288ca35b1b326f77d35ee95483ba4e9d36220336fb2c976a1bf0e54

SHA512
7185fa9d2c0403118390a860eeebb2d3027f43c9335e8b36d47cd021ce8aa537cc9a6cca8d9ed4b5f40d01f5f3c6c4873ea482da9383f2d73ad83f2fd8051a22

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a81463501.exe

Filesize
169KB

MD5
ef874889a431cb11c48921d917a1e95b

SHA1
d063ce6776e4315637c60f54f499c52bc2ba8230

SHA256
48d7a932cc031be8783cb358184ef150041ac240dc6a15a93025c169bb77dbcc

SHA512
b77baa20749f83d3405b24d30f195dfe8dd0b77a0d316588c5791b78cd19ffc2d50c9b5ef163fa6122261a5e934a5c720b4ba55c82d734e9f588fe2a60bcd6ce

Download Submit
memory/2416-14-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2416-15-0x0000000000600000-0x0000000000630000-memory.dmp

Filesize
192KB

Download
memory/2416-16-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/2416-17-0x0000000005590000-0x0000000005BA8000-memory.dmp

Filesize
6.1MB

Download
memory/2416-18-0x0000000005080000-0x000000000518A000-memory.dmp

Filesize
1.0MB

Download
memory/2416-19-0x0000000004F90000-0x0000000004FA2000-memory.dmp

Filesize
72KB

Download
memory/2416-20-0x0000000004FF0000-0x000000000502C000-memory.dmp

Filesize
240KB

Download
memory/2416-21-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/2416-22-0x0000000005030000-0x000000000507C000-memory.dmp

Filesize
304KB

Download
memory/2416-23-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2416-24-0x0000000074A50000-0x0000000075200000-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