nightingale | d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5

Analysis

max time kernel
149s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 23:41

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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

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
448	powershell.exe
4752	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	file.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-1-5-21-523280732-2327480845-3730041215-1000\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
5	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-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell	file.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell\open	file.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell\open\command\	file.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell\open\command	file.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings	file.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
4792	file.exe
4752	powershell.exe
4752	powershell.exe
448	powershell.exe
448	powershell.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe
4792	file.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4792	file.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	448	powershell.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe
Token: SeIncBasePriorityPrivilege	4792	file.exe
Token: 33	4792	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 2744	4792	file.exe	85
PID 4792 wrote to memory of 2744	4792	file.exe	85
PID 4792 wrote to memory of 3092	4792	file.exe	87
PID 4792 wrote to memory of 3092	4792	file.exe	87
PID 2744 wrote to memory of 448	2744	cmd.exe	89
PID 2744 wrote to memory of 448	2744	cmd.exe	89
PID 3092 wrote to memory of 4752	3092	cmd.exe	90
PID 3092 wrote to memory of 4752	3092	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792
- 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:2744
- - 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:448
- 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:3092
- - 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:4752

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:4244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
7ff9440dc25523a288d278b38add13a1

SHA1
d67faf5afe85cacd9d816349f17ded3686ecf1a7

SHA256
ac518124d3bd39440bfba66739f8fab57ff82ea778f707ea2c902b29efde0ee0

SHA512
7116fcf6760a69efebfbffeba5abcfef903cc8647e142117023e022bb34c5fe6d1a35c727faab1e6d6505b2bd69689cf52f8ecef5253ca12d99d425021799911

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m5g5qp4t.aby.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4752-3-0x00007FFB88240000-0x00007FFB88D01000-memory.dmp

Filesize
10.8MB

Download
memory/4752-4-0x00000214D2720000-0x00000214D2742000-memory.dmp

Filesize
136KB

Download
memory/4752-14-0x00007FFB88240000-0x00007FFB88D01000-memory.dmp

Filesize
10.8MB

Download
memory/4752-15-0x00007FFB88240000-0x00007FFB88D01000-memory.dmp

Filesize
10.8MB

Download
memory/4752-27-0x00007FFB88240000-0x00007FFB88D01000-memory.dmp

Filesize
10.8MB

Download
memory/4792-1-0x000002AF97F60000-0x000002AF97F8E000-memory.dmp

Filesize
184KB

Download
memory/4792-2-0x00007FFB88240000-0x00007FFB88D01000-memory.dmp

Filesize
10.8MB

Download
memory/4792-0-0x00007FFB88243000-0x00007FFB88245000-memory.dmp

Filesize
8KB

Download
memory/4792-31-0x00007FFB88243000-0x00007FFB88245000-memory.dmp

Filesize
8KB

Download
memory/4792-32-0x00007FFB88240000-0x00007FFB88D01000-memory.dmp

Filesize
10.8MB

Download