redline | e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919

General

Target

e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe
Size

469KB
MD5

e3f7e402b4b5f8be08b933effbbf8c45
SHA1

c76ba949545c1e04fe8d55ef35a0bc91a0bf5e7d
SHA256

e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919
SHA512

50ac1dfa2120025d926fc5748820bead05c8fe06753a4c89155dbd1fb7f79f82a13d3e959bfca8240644925dd758f91d782d212c29a5efeefd1699253a21b81c
SSDEEP

12288:5Mroy905um1lOHyedb3fihodC1nM7SFKEU:Ry/hF53qhodretU

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/0x000b000000023b9a-12.dat	family_redline
behavioral1/memory/4120-15-0x0000000000AD0000-0x0000000000B02000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2348	nuh26.exe
4120	brD59.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\\\""	e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.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\\\""	nuh26.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	brD59.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nuh26.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 2348	444	e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe	83
PID 444 wrote to memory of 2348	444	e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe	83
PID 444 wrote to memory of 2348	444	e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe	83
PID 2348 wrote to memory of 4120	2348	nuh26.exe	84
PID 2348 wrote to memory of 4120	2348	nuh26.exe	84
PID 2348 wrote to memory of 4120	2348	nuh26.exe	84

C:\Users\Admin\AppData\Local\Temp\e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe
"C:\Users\Admin\AppData\Local\Temp\e68ea6e25a5cc8f64f181ae37db51547926e1570871c5ff8aad9ad4a84981919.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:444
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nuh26.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nuh26.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4120

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\nuh26.exe

Filesize
202KB

MD5
091c713abe2a857856740a49835b9300

SHA1
c1a26d5de4c3ba0fd235d108095adeee9132b88f

SHA256
48e290ea455726f26f6ce1cf01d8c255fbf3bbee69f418b7318a556ba8a5a145

SHA512
b7201a6da8eb068a14ee8096f507e9cd2e15ca79d479df8af948569c14288240c5a9b2b41ffd5002f96d24c8ade3f4e0161f64f306bf46a5bb30e63723efffdc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\brD59.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4120-14-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/4120-15-0x0000000000AD0000-0x0000000000B02000-memory.dmp

Filesize
200KB

Download
memory/4120-16-0x0000000005A50000-0x0000000006068000-memory.dmp

Filesize
6.1MB

Download
memory/4120-17-0x00000000055B0000-0x00000000056BA000-memory.dmp

Filesize
1.0MB

Download
memory/4120-18-0x00000000054E0000-0x00000000054F2000-memory.dmp

Filesize
72KB

Download
memory/4120-19-0x0000000005540000-0x000000000557C000-memory.dmp

Filesize
240KB

Download
memory/4120-20-0x00000000056C0000-0x000000000570C000-memory.dmp

Filesize
304KB

Download
memory/4120-21-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads