redline | 4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf

General

Target

4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe
Size

477KB
MD5

dbd6d19021405e3e870bd221041637e8
SHA1

b77ad05722e325accf6d9dee50bec1811d868f07
SHA256

4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf
SHA512

f9ba419f35aacec3f3a1e8d0415a407faee0ec20ea99d368a10dee9f2853358f1f00d1ad76746665f32d9e9a813ba11c21f85e9f0e85713512cc3a7a0531eb6b
SSDEEP

12288:OMrYy90ha0DxDzfR1FBM+/T+5JIJPvEmo57hy4A:+yqDxDnFa+/TPvE84A

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/0x000b000000023bab-12.dat	family_redline
behavioral1/memory/4848-15-0x0000000000B50000-0x0000000000B82000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4868	nQM39.exe
4848	bJq40.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\\\""	4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.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\\\""	nQM39.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	4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nQM39.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bJq40.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 4868	2124	4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe	83
PID 2124 wrote to memory of 4868	2124	4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe	83
PID 2124 wrote to memory of 4868	2124	4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe	83
PID 4868 wrote to memory of 4848	4868	nQM39.exe	84
PID 4868 wrote to memory of 4848	4868	nQM39.exe	84
PID 4868 wrote to memory of 4848	4868	nQM39.exe	84

C:\Users\Admin\AppData\Local\Temp\4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe
"C:\Users\Admin\AppData\Local\Temp\4e0cb94237b9f9a93c808e05f99a11903c8f52e18cb859300f2eece1e38df0bf.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQM39.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQM39.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bJq40.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bJq40.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4848

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\nQM39.exe

Filesize
202KB

MD5
71e16edf8ffbec8d55bbc2abb6550ef6

SHA1
7200fcc036cc58108b879439f8cce340785a6dc1

SHA256
6c118e2be443c430878166f5206269b21e4e54a6cd8616c7b2ec10f3e80c8dd6

SHA512
40b9748862c99a6f35e6d3f0594ad6b1427596c53b858cf7d59cf9f82e6f525db47dfecdd0e41ee1708a593389492130f74d07c8d3f22bdda2cbbd808c25ae43

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bJq40.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4848-14-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/4848-15-0x0000000000B50000-0x0000000000B82000-memory.dmp

Filesize
200KB

Download
memory/4848-16-0x0000000005AB0000-0x00000000060C8000-memory.dmp

Filesize
6.1MB

Download
memory/4848-17-0x0000000005630000-0x000000000573A000-memory.dmp

Filesize
1.0MB

Download
memory/4848-18-0x0000000005560000-0x0000000005572000-memory.dmp

Filesize
72KB

Download
memory/4848-19-0x00000000055C0000-0x00000000055FC000-memory.dmp

Filesize
240KB

Download
memory/4848-20-0x0000000005740000-0x000000000578C000-memory.dmp

Filesize
304KB

Download
memory/4848-21-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads