redline | 55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc

General

Target

55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe
Size

376KB
MD5

014f68b15f1ad96765569f3a57f619bf
SHA1

6f5fb81dbc114c1302d567d4fd339a2ac95f8975
SHA256

55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc
SHA512

70a3cde16db693dbfb4c9e9c154fc98dfa8c72b396e336da55ca097ca55120114fa54a9af2a7c93bfa98945ef9c3e4b581f57b9ee48a2116a6773025d8f0113e
SSDEEP

6144:Kqy+bnr+4p0yN90QEVHmoFmJE+/nEfbvIVcA0cWaKOcVPEtJ6uOGxosYZQ1c3:6Mroy90jFEE5QV8aK7V0U/sYec3

Score

10^/10

redline discovery infostealer persistence

Malware Config

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/0x0008000000023ce7-12.dat	family_redline
behavioral1/memory/2500-15-0x0000000000560000-0x0000000000588000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
668	x6708771.exe
2500	g6169466.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\\\""	55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.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\\\""	x6708771.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	g6169466.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x6708771.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 668	3808	55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe	85
PID 3808 wrote to memory of 668	3808	55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe	85
PID 3808 wrote to memory of 668	3808	55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe	85
PID 668 wrote to memory of 2500	668	x6708771.exe	86
PID 668 wrote to memory of 2500	668	x6708771.exe	86
PID 668 wrote to memory of 2500	668	x6708771.exe	86

C:\Users\Admin\AppData\Local\Temp\55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe
"C:\Users\Admin\AppData\Local\Temp\55440bf680d4b947e341695136199bbd6ad8b3cf5c39a112b40faa1e73a809fc.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6708771.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6708771.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:668
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6169466.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6169466.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2500

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\x6708771.exe

Filesize
204KB

MD5
0452e95c3559f8af746b16d7ab8b1705

SHA1
5533da8f7735f32e47d9e2784b5fc4e2a5d8688a

SHA256
0d986112745dd5d48ea898af585634c1b22d0da1400e729545ed038ebb5244a8

SHA512
df5a5e67be9b8d819ce2d48845376c250bc7d581a7cdc67e96158a6f5f0256850f1c028696c58ecf318fe92e36eae82600511d9218d048aa5770fa0e2290656e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g6169466.exe

Filesize
136KB

MD5
8f30f7f88229560306c5959c605316de

SHA1
36f26a905a9743f6dd1608e39b37d1116cafcc0a

SHA256
3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7

SHA512
267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

Download Submit
memory/2500-14-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2500-15-0x0000000000560000-0x0000000000588000-memory.dmp

Filesize
160KB

Download
memory/2500-16-0x0000000007800000-0x0000000007E18000-memory.dmp

Filesize
6.1MB

Download
memory/2500-17-0x0000000007280000-0x0000000007292000-memory.dmp

Filesize
72KB

Download
memory/2500-18-0x00000000073F0000-0x00000000074FA000-memory.dmp

Filesize
1.0MB

Download
memory/2500-19-0x0000000007320000-0x000000000735C000-memory.dmp

Filesize
240KB

Download
memory/2500-20-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2500-21-0x00000000026A0000-0x00000000026EC000-memory.dmp

Filesize
304KB

Download
memory/2500-22-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2500-23-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads