redline | f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170

General

Target

f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe
Size

477KB
MD5

dd06c78b48a3d866a33468a501546f26
SHA1

a61a0b427c0d680279cfb6f6d3fc83e354cc2272
SHA256

f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170
SHA512

bfb6e57627d37a91580613d27eaa2039fe611f643d812defa324b45e9e6e04d23ede9b77d51ed7898f4381a14229675c7bba1347a917930d53019084ed1d11a8
SSDEEP

12288:5Mr3y90moKimSg5FnA7h01NwoRSIqH1x+lic:WyOKfSkF2hgNwjVxfc

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/0x000b000000023b60-12.dat	family_redline
behavioral1/memory/1256-15-0x00000000007E0000-0x0000000000812000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2948	nnk04.exe
1256	bSh24.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nnk04.exe
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\\\""	f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.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	bSh24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nnk04.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 2948	936	f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe	83
PID 936 wrote to memory of 2948	936	f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe	83
PID 936 wrote to memory of 2948	936	f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe	83
PID 2948 wrote to memory of 1256	2948	nnk04.exe	84
PID 2948 wrote to memory of 1256	2948	nnk04.exe	84
PID 2948 wrote to memory of 1256	2948	nnk04.exe	84

C:\Users\Admin\AppData\Local\Temp\f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe
"C:\Users\Admin\AppData\Local\Temp\f1349914eb5eadc128544b7b4a236ff1bfe263bb6f93e67d8f86277fcbdba170.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnk04.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnk04.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSh24.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSh24.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1256

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\nnk04.exe

Filesize
202KB

MD5
2a8cdaddf041b9d091dfd968c35ed523

SHA1
c93b1887e3b63a3c6a1bfabbc2cfad526910fabd

SHA256
cad4a39c2a0c04acba676c3ca4113fef018d3a696005ee6a71fc9263e9543185

SHA512
786ab9e0496b5d7feaadab51a43dca0990748ee57404b651d6a52d3827cee36f0867c27aed3b705d1243500bfe4c85ecbb50dcbfb302b608a3f09387f3af0057

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSh24.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1256-14-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/1256-15-0x00000000007E0000-0x0000000000812000-memory.dmp

Filesize
200KB

Download
memory/1256-16-0x0000000005750000-0x0000000005D68000-memory.dmp

Filesize
6.1MB

Download
memory/1256-18-0x00000000051F0000-0x0000000005202000-memory.dmp

Filesize
72KB

Download
memory/1256-17-0x00000000052C0000-0x00000000053CA000-memory.dmp

Filesize
1.0MB

Download
memory/1256-19-0x0000000005260000-0x000000000529C000-memory.dmp

Filesize
240KB

Download
memory/1256-20-0x00000000053D0000-0x000000000541C000-memory.dmp

Filesize
304KB

Download
memory/1256-21-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads