redline | 95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4

General

Target

95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe
Size

469KB
MD5

0ddc5a673fecda5c0fa0d65dbf5a6ffe
SHA1

5b28cf48cbe1b94cef0834bf3bc980ced4391977
SHA256

95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4
SHA512

49a1fd9d8547c1038c40ba9229db258644564456e1025150ac0b962fc376ffe0e622b6c7522320c8f6faef4802a0f7f5555233473450d3024a441814255e63a2
SSDEEP

12288:qMrmy900+lH2b++7XZ59LrFVnUXlgSfYOugz5:Qyals++X9/FS1bpugl

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/0x000b000000023b7c-12.dat	family_redline
behavioral1/memory/3984-15-0x0000000000190000-0x00000000001C2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4384	nwh18.exe
3984	btY88.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\\\""	95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.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\\\""	nwh18.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	btY88.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwh18.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 4384	3052	95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe	83
PID 3052 wrote to memory of 4384	3052	95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe	83
PID 3052 wrote to memory of 4384	3052	95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe	83
PID 4384 wrote to memory of 3984	4384	nwh18.exe	84
PID 4384 wrote to memory of 3984	4384	nwh18.exe	84
PID 4384 wrote to memory of 3984	4384	nwh18.exe	84

C:\Users\Admin\AppData\Local\Temp\95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe
"C:\Users\Admin\AppData\Local\Temp\95a4f5f499061249871df49649fb053f2a30e8e418a453ef51d511c04fd4a3d4.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwh18.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwh18.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4384
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btY88.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btY88.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3984

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\nwh18.exe

Filesize
202KB

MD5
24285ab63b117affc578d9c77447c4d9

SHA1
23cbd79c7c665841d703b4ed951b0c513e7554d5

SHA256
c7d3614a2b244e70a1d846d8793e1ce5e56f76d02047614e52303673277ad16b

SHA512
a28421c623d24abe2628849b808c910caca7abb684d14e611f4cf8f530e1e61b7a2339a9ae16f75899165d4e9fb32b02144366ee2d1bc0680e7ef42f2bbd5bf4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\btY88.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3984-14-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/3984-15-0x0000000000190000-0x00000000001C2000-memory.dmp

Filesize
200KB

Download
memory/3984-16-0x00000000050F0000-0x0000000005708000-memory.dmp

Filesize
6.1MB

Download
memory/3984-17-0x0000000004C70000-0x0000000004D7A000-memory.dmp

Filesize
1.0MB

Download
memory/3984-18-0x0000000004BA0000-0x0000000004BB2000-memory.dmp

Filesize
72KB

Download
memory/3984-19-0x0000000004C00000-0x0000000004C3C000-memory.dmp

Filesize
240KB

Download
memory/3984-20-0x0000000004D80000-0x0000000004DCC000-memory.dmp

Filesize
304KB

Download
memory/3984-21-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads