nightingale | d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5

General

Target

file.exe
Size

160KB
MD5

50acfb26d39aea301a42692d269b0577
SHA1

d92ece0badc23dc4562dbe6dbcd1c9f47812c6cb
SHA256

d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5
SHA512

d72c7410dfac81258ec79b03b53bda756c7b8a365ca6ac5e9578f105f69cad4911357395f5e088f9e6ddd48ff968809119556d349ea47b917168f7a3f5526430
SSDEEP

3072:+39emuxx5Ph+Nrlp5LoVpbDM5M5TM+jso:+3UtZe+LbDu+Q

Score

10^/10

nightingale credential_access execution persistence spyware stealer

Malware Config

Extracted

Family

nightingale

C2

https://api.telegram.org/bot7360773915:AAGMf_A9lvN1HakLmVWWp2591SJduhueehE/sendDocument

Signatures

Nightingale stealer
Nightingale stealer is an information stealer written in C#.
stealer nightingale
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2932	powershell.exe
3068	powershell.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\file = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	file.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\ms-settings\shell\open\command	file.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\ms-settings	file.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\ms-settings\shell	file.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\ms-settings\shell\open	file.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\ms-settings\shell\open\command\	file.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2076	file.exe
3068	powershell.exe
2932	powershell.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe
2076	file.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	file.exe
Token: SeDebugPrivilege	3068	powershell.exe
Token: SeDebugPrivilege	2932	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1636	2076	file.exe	31
PID 2076 wrote to memory of 1636	2076	file.exe	31
PID 2076 wrote to memory of 1636	2076	file.exe	31
PID 2076 wrote to memory of 2656	2076	file.exe	33
PID 2076 wrote to memory of 2656	2076	file.exe	33
PID 2076 wrote to memory of 2656	2076	file.exe	33
PID 1636 wrote to memory of 2932	1636	cmd.exe	35
PID 1636 wrote to memory of 2932	1636	cmd.exe	35
PID 1636 wrote to memory of 2932	1636	cmd.exe	35
PID 2656 wrote to memory of 3068	2656	cmd.exe	36
PID 2656 wrote to memory of 3068	2656	cmd.exe	36
PID 2656 wrote to memory of 3068	2656	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\file.exe & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\file.exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2932
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3068

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0009ZXH6MWETGAFTC1KJ.temp

Filesize
7KB

MD5
396aabe343492e6bd7de6c4aba65c628

SHA1
b04511dd2db824002de51b4872c18b6e88d02860

SHA256
c373eded8bec6fa847a6b9d331d6d09c3353359e42690f3d9d708983a351876a

SHA512
7a4875aadf4b354a486be5b09f8e1fb8bb63fb500738648e2d9204c46d064878452661a907bc758c6aab4d8367164a235052c88a14b3295aff44976a3703394c

Download Submit
memory/2076-0-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

Filesize
4KB

Download
memory/2076-1-0x00000000012F0000-0x000000000131E000-memory.dmp

Filesize
184KB

Download
memory/2076-2-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

Filesize
9.9MB

Download
memory/2076-14-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

Filesize
4KB

Download
memory/2076-15-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

Filesize
9.9MB

Download
memory/3068-12-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/3068-13-0x0000000002760000-0x0000000002768000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads