redline | 31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762

General

Target

31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe
Size

554KB
MD5

5cf2e01a8059d747efe10222fd9327bb
SHA1

3d509cf5c8cfc7ac8eb7b36124b09cac38f546bd
SHA256

31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762
SHA512

000825e4cfeb413c9c2c09a603b29164d0c0e012f8721d47f09acae0f8740ce8cb3170a11dfbb9f6c8472b608368eb4d4340c4edbf562ffa6ade3ff5a2d7ec34
SSDEEP

12288:GMrgy90Ugzr6ZH5goaOPOQX5XIotPh0/irN2GmbOxTP53:KyqK52WXFIophuu

Score

10^/10

redline darm discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

darm

C2

217.196.96.56:4138

Attributes

auth_value
d88ac8ccc04ab9979b04b46313db1648

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/0x0008000000023ca0-12.dat	family_redline
behavioral1/memory/2544-15-0x0000000000450000-0x0000000000480000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4704	x1847330.exe
2544	g4519329.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\\\""	31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.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\\\""	x1847330.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	31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x1847330.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g4519329.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 4704	3744	31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe	85
PID 3744 wrote to memory of 4704	3744	31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe	85
PID 3744 wrote to memory of 4704	3744	31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe	85
PID 4704 wrote to memory of 2544	4704	x1847330.exe	86
PID 4704 wrote to memory of 2544	4704	x1847330.exe	86
PID 4704 wrote to memory of 2544	4704	x1847330.exe	86

C:\Users\Admin\AppData\Local\Temp\31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe
"C:\Users\Admin\AppData\Local\Temp\31666fab71826d62a76ae17d75733ee344983301140c4d2b03548f793c84a762.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3744
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1847330.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1847330.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g4519329.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g4519329.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2544

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\x1847330.exe

Filesize
382KB

MD5
c40be1a5c6ef172d6601088a25f7d021

SHA1
766de620cc0d5939d2f0233dd5c4223c9180d6b3

SHA256
f4c7c7c24c9d6204203f782e17935242963f5404ea155453513c46565b030dea

SHA512
d29a7e573b6a15e39e6b49feb18bac9ebfc5017c6bc1ad66e7951c0a340abb1c93ed0d19d700ab99d0c42910310a285833e5ed92980c5c39ac9d8a3b52f8682b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g4519329.exe

Filesize
168KB

MD5
c3d11134d912c59829c9432f9fcdc61b

SHA1
e6bb86992c0fc074f96a30a474a33a4b1f2f36d7

SHA256
d9f6c06432421cf5909adc1c359d58643ca4493adc06fa5496bb82cd2d911aac

SHA512
bb5f9b3f2697fdd2154aa81062e97d77cfa1452e9be12b755394ab2246eabe7be69906a5bc69da72c39ea6314fdd1724fa2c6d96fc893d77d64e739c0eb0a352

Download Submit
memory/2544-14-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2544-15-0x0000000000450000-0x0000000000480000-memory.dmp

Filesize
192KB

Download
memory/2544-16-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/2544-17-0x0000000005590000-0x0000000005BA8000-memory.dmp

Filesize
6.1MB

Download
memory/2544-18-0x0000000004F70000-0x000000000507A000-memory.dmp

Filesize
1.0MB

Download
memory/2544-19-0x0000000002870000-0x0000000002882000-memory.dmp

Filesize
72KB

Download
memory/2544-20-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2544-21-0x00000000028D0000-0x000000000290C000-memory.dmp

Filesize
240KB

Download
memory/2544-22-0x0000000002920000-0x000000000296C000-memory.dmp

Filesize
304KB

Download
memory/2544-23-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2544-24-0x0000000074970000-0x0000000075120000-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