redline | b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408

General

Target

b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe
Size

707KB
MD5

c6e7740e584f048d02371d4f107bb5b5
SHA1

8e4b2831800032ed5890331a7785c98f10edffa9
SHA256

b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408
SHA512

291e8535edae2e7becb3aaca01f2bf3d2d861f116ee68cf99338a5951a8631b64aefbfa819d85c588c8948751119113b6e113d7758ffd770b87bcd14a4cb760c
SSDEEP

12288:9MrPy90Na7jdlO4NXgJ26rnj+BbsuqMdoQYCvnaraXEpHvqz4kz9:qyLjd/NwJXGbNq/eard9G9

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/0x0008000000023c88-12.dat	family_redline
behavioral1/memory/208-15-0x0000000000B70000-0x0000000000B98000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1960	x6743451.exe
208	g5339678.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\\\""	b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.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\\\""	x6743451.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	b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x6743451.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g5339678.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 1960	1572	b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe	85
PID 1572 wrote to memory of 1960	1572	b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe	85
PID 1572 wrote to memory of 1960	1572	b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe	85
PID 1960 wrote to memory of 208	1960	x6743451.exe	86
PID 1960 wrote to memory of 208	1960	x6743451.exe	86
PID 1960 wrote to memory of 208	1960	x6743451.exe	86

C:\Users\Admin\AppData\Local\Temp\b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe
"C:\Users\Admin\AppData\Local\Temp\b8f265fee6ef9f2f716d8b855a7a388e4a0d583f65685775c30d42d492a03408.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6743451.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6743451.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5339678.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5339678.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:208

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\x6743451.exe

Filesize
416KB

MD5
5f65331784a1c27cfb45540930163ab5

SHA1
6d31e9eb31b4bdd0e7cd2a328d61066140c75094

SHA256
16a709d979a810d78fd6212d4f9b5e7666fce3c6f1ac6ab700b5ff1d646a0d23

SHA512
21568df4178ccfdc42b36fafb9c0dc4e88ae4265fffbd580c1cc56af528da731387327350f3a58af28f8ddbf8ce3c603805112f9a5640e92845ec114e9f094db

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g5339678.exe

Filesize
136KB

MD5
ac3c3d64b99d147a756c47390cd4b8af

SHA1
3a5dc92b60b2ee1e39546afd75554d7c1e7c914a

SHA256
ece1e97b62fd2bbeac4c5bad15f6f3ed32e3b1eb20f392313b59ca987f2f8030

SHA512
e49b379ef506b1e956a0244f1f1e407ac674ea7d95c393e4d4a0616907adca60b77f15eda0cce4b413b2dc66d73b629699ba748af1ed461c1e3530f3a1a71ba4

Download Submit
memory/208-14-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/208-15-0x0000000000B70000-0x0000000000B98000-memory.dmp

Filesize
160KB

Download
memory/208-16-0x0000000007E50000-0x0000000008468000-memory.dmp

Filesize
6.1MB

Download
memory/208-17-0x00000000078D0000-0x00000000078E2000-memory.dmp

Filesize
72KB

Download
memory/208-18-0x0000000007A00000-0x0000000007B0A000-memory.dmp

Filesize
1.0MB

Download
memory/208-19-0x0000000007930000-0x000000000796C000-memory.dmp

Filesize
240KB

Download
memory/208-20-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/208-21-0x0000000004E60000-0x0000000004EAC000-memory.dmp

Filesize
304KB

Download
memory/208-22-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/208-23-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads