redline | a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8

General

Target

a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe
Size

469KB
MD5

98b9e992abde4c434996bcff151c3af4
SHA1

1affcb38c2a67c11e810856d2a39e28bbea7309e
SHA256

a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8
SHA512

35be54b9faef939acfe6e99bfd84f157f4d7d68f00bd65608d775a5c7876b8a9974f0f9cba5c5500c4beac9415e564170d0b8c6644d561c285ce0f5a228b5f81
SSDEEP

6144:KIy+bnr+dp0yN90QEJ+5FnR6X+oPZVqPSY1kqIU784jUNFMYHhE6FuY3Nh1ax58g:wMrJy90qS+utSkq4NGhRF7ibSiWnV5f

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/0x0008000000023c98-12.dat	family_redline
behavioral1/memory/4284-15-0x0000000000020000-0x0000000000052000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
516	nqZ54.exe
4284	bkj33.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\\\""	nqZ54.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\\\""	a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.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	a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nqZ54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkj33.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 516	2428	a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe	83
PID 2428 wrote to memory of 516	2428	a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe	83
PID 2428 wrote to memory of 516	2428	a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe	83
PID 516 wrote to memory of 4284	516	nqZ54.exe	84
PID 516 wrote to memory of 4284	516	nqZ54.exe	84
PID 516 wrote to memory of 4284	516	nqZ54.exe	84

C:\Users\Admin\AppData\Local\Temp\a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe
"C:\Users\Admin\AppData\Local\Temp\a9898aa15c44fc13b0a9c32025d9fc753b6d4a46e9cc4dbc16d252a3fcb0fcf8.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqZ54.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqZ54.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:516
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkj33.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkj33.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4284

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqZ54.exe

Filesize
202KB

MD5
39db483c915bbab90e0cb9fd91d37377

SHA1
3ee82ac74e754a8f255484c085934c5fd17fd3cc

SHA256
6e8c8736ffb66b3e75f15586e5c092ad5f0bb912c533dbd9d22fa05eec1ab46e

SHA512
7a83db121ecc80a16c6869733612e742f3880efe8be28593145079e19285264a0b76c86c8c06bcdf1f4a28b6cd39bfe63e3ba9f5e9bdc950b4a053f31db09c20

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bkj33.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4284-14-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/4284-15-0x0000000000020000-0x0000000000052000-memory.dmp

Filesize
200KB

Download
memory/4284-16-0x0000000004FD0000-0x00000000055E8000-memory.dmp

Filesize
6.1MB

Download
memory/4284-17-0x0000000004B00000-0x0000000004C0A000-memory.dmp

Filesize
1.0MB

Download
memory/4284-18-0x0000000004A40000-0x0000000004A52000-memory.dmp

Filesize
72KB

Download
memory/4284-19-0x0000000004AA0000-0x0000000004ADC000-memory.dmp

Filesize
240KB

Download
memory/4284-20-0x0000000004C10000-0x0000000004C5C000-memory.dmp

Filesize
304KB

Download
memory/4284-21-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads