phantom_stealer | 7c93f98d2e78615e5af7839bd84a311dad40fcec4474beb5fb37b501c91030a1

Analysis

max time kernel
135s
max time network
124s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/10/2026, 04:36

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General

Target
blastermaster new/buildd.exe
Size 7.0MB
Sample261029-e8cwaaat3k
SHA256 7c93f98d2e78615e5af7839bd84a311dad40fcec4474beb5fb37b501c91030a1
MD5 496b6023a09fb3ca6430967554729766
SHA1 e464a3fd634e8b4930bad4753d49733bbd8b9979
SHA512 b44231abd3d19960be55fc4e761a3bfb8bc764b1f935bc11b4b58e680df8c0695e0904979d8250a07b2ba1a3a448cd4df6ca9283f5f964238ec75a45275f2fc9
SSDEEP 196608:xMPuV25DeTD+oqzukSIlLtIY79n8SI75bWAXAkuujCPX9YG9he5GnQCAJKN:KA403qakSoR7tfI7ZtXADu8X9Y95GQLJ
TLSH
T14476334463EC0659F1BFAB78F87162119E32B513E43AE74D198C119C0A72B82EDA1F77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution phantom_stealer stealer

Malware Config

Extracted

Family

phantom_stealer

Version

v2.0

https://api.telegram.org/bot7572705839:AAGU_1U-jzA4O7OJa9YM5FON6rCuEaq_k3c/sendMessage?chat_id=7348580972

Mutex

GV17XJSHXQEX381V8S3E

Attributes

anti_analysis
0
cb_enables_ssl
0
debug
0
keylogger
0
rb_discord
0
rb_smtp
0
rb_telegram
1
start_delay
0
startup
0
webcam_screenshot
0

Signatures

Family: PhantomStealer
Phantom Stealer is a stealer written in C#, forked from the Stealerium family.
stealer phantom_stealer

Detects PhantomStealer written in C# 1 IoCs

resource	yara_rule
behavioral3/memory/5116-0-0x000002685A560000-0x000002685AC6C000-memory.dmp	family_phantomstealer

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3008	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	buildd.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	buildd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4976	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4052	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5116	buildd.exe
Token: SeDebugPrivilege	4052	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 3008	5116	buildd.exe	83
PID 3008 wrote to memory of 4128	3008	cmd.exe	85
PID 3008 wrote to memory of 4052	3008	cmd.exe	86
PID 3008 wrote to memory of 4976	3008	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\blastermaster new\buildd.exe
"C:\Users\Admin\AppData\Local\Temp\blastermaster new\buildd.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\adf5bc9f-ce3f-467d-8339-bdf49ef1fc70.bat"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4128
- - C:\Windows\system32\taskkill.exe
    taskkill /F /PID 5116
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4052
- - C:\Windows\system32\timeout.exe
    timeout /T 2 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:4976

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

adf5bc9f-ce3f-467d-8339-bdf49ef1fc70.bat

Path C:\Users\Admin\AppData\Local\Temp\adf5bc9f-ce3f-467d-8339-bdf49ef1fc70.bat
Size 152B
SHA256 9662aca90864f31784bd6341e4c9978138f95953b7591611f7900c90650a685d
MD5 ff9055c84fed1ef6090e8704699d5c6d
SHA1 42b400f77ceb62b1e4e12297cc39894db15c4108
SHA512 25ded56f4a01b6b8f6201b24b5dc27c3639c0a42477f1dd9f66bf30d57eedaf9f0e3cef76dc4eda022232a0beed407e23f59699fdb98c953c877878a4adc647b
TLSH
T12FC08C090A4732EA2844AC86A1A463ACB0A4E12A0E9A12182281845C6280A5E6A47AC2
MD5 SHA1 SHA512 TLSH

Submit Download

memory/5116-0-0x000002685A560000-0x000002685AC6C000-memory.dmp

Download

memory/5116-1-0x0000026876920000-0x0000026876930000-memory.dmp