redline | 43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022

General

Target

43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe
Size

477KB
MD5

8277e6dcd6dc54199eecfd848ecc116c
SHA1

044e9994e7606d744e74ec18b34ffb308bd80e59
SHA256

43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022
SHA512

55b93334b4631f6b4caaa48efdd0a73daa0f85384e80b9e8b209ea31da238ba46f21dc20b89efe797f8b8fb73cf625e63e1a9a2e32b0478ef06ec1d9bfd4cddf
SSDEEP

12288:0Mrwy90FTIaVCKV6cVIcBZcbzjlFPmjNmwFJ1:8yWTtNViScrl5cNmwr1

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

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/0x0008000000023cb0-12.dat	family_redline
behavioral1/memory/4944-15-0x0000000000150000-0x0000000000182000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1008	nHa80.exe
4944	boW99.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\\\""	43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.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\\\""	nHa80.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	43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nHa80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	boW99.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1008	4204	43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe	85
PID 4204 wrote to memory of 1008	4204	43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe	85
PID 4204 wrote to memory of 1008	4204	43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe	85
PID 1008 wrote to memory of 4944	1008	nHa80.exe	87
PID 1008 wrote to memory of 4944	1008	nHa80.exe	87
PID 1008 wrote to memory of 4944	1008	nHa80.exe	87

C:\Users\Admin\AppData\Local\Temp\43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe
"C:\Users\Admin\AppData\Local\Temp\43534af94f53140da536fee4b1df4406bd32679d3e3c7c042dd63aa5e7e42022.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHa80.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nHa80.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1008
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\boW99.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\boW99.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4944

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\nHa80.exe

Filesize
202KB

MD5
dfeb8ccd8c484ab008c38384a0243626

SHA1
a7ef4067d0893124f714ffb077855f63a699932d

SHA256
430b78d9bbb719b1cc893cef1bbb423f9b78203be7455bb36ea3c9810ea16135

SHA512
b39c0f80287204f5faf6d930d568b0483cbb39f3f61d68e39808c948da7f58e41f48522b7987284c615d7fa6fde6b3b73444db669e267f9647b894a282855d36

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\boW99.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4944-14-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/4944-15-0x0000000000150000-0x0000000000182000-memory.dmp

Filesize
200KB

Download
memory/4944-16-0x0000000004FF0000-0x0000000005608000-memory.dmp

Filesize
6.1MB

Download
memory/4944-17-0x0000000004B20000-0x0000000004C2A000-memory.dmp

Filesize
1.0MB

Download
memory/4944-18-0x0000000004A30000-0x0000000004A42000-memory.dmp

Filesize
72KB

Download
memory/4944-19-0x0000000004A90000-0x0000000004ACC000-memory.dmp

Filesize
240KB

Download
memory/4944-20-0x0000000004AD0000-0x0000000004B1C000-memory.dmp

Filesize
304KB

Download
memory/4944-21-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads