f9ea32b935da9abb3e3819a1861a78ed5922e6664add29879ccefde20bf3581a

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/11/2026, 17:48

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General

Target
fastprox_eop.exe
Size 211KB
Sample261104-wdpp2aet5j
SHA256 f9ea32b935da9abb3e3819a1861a78ed5922e6664add29879ccefde20bf3581a
MD5 449fbfaf7dc6fbef7cf412e0bdd1c67d
SHA1 17f97e219ae9914b645b97e456636c0d1734c9ae
SHA512 a273d2cc608261f20f1c1c25b56876d74c27f88b0d4e0b8db42400defb66857ef1eddb804607431b32f278aadc9a338fb6b34bf9da92f55fd45535bc1b927d12
SSDEEP 3072:0A8wITVi4NRtUnwEY09dFeT4tpOZRrj6/UUrcmC9Jv9P2YndSbcN1L:0A8wITVi4Nb00+kAOfeamCJdqe1L
TLSH
T147248E15F7A518FAE267C578C9424A01EA737C424760EADF13904AB69F23BD09F3EB11
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery execution

Malware Config

Signatures

Executes a command shell one-liner 1 TTPs 2 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
4624	cmd.exe
2696	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	fastprox_eop.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	fastprox_eop.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5536	whoami.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 5536	4624	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\fastprox_eop.exe
"C:\Users\Admin\AppData\Local\Temp\fastprox_eop.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
PID:1844

C:\Windows\system32\cmd.exe
cmd.exe /c whoami /user > "C:\Users\Admin\AppData\Local\Temp\wmirc_out.txt"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Windows\System32\whoami.exe
  whoami /user
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5536

C:\Windows\system32\cmd.exe
cmd.exe /c whoami /user > "C:\Users\Admin\AppData\Local\Temp\wmirc_out.txt"
1⤵
- Executes a command shell one-liner
PID:2696

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 Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

wmirc_out.txt

Path C:\Users\Admin\AppData\Local\Temp\wmirc_out.txt
Size 130B
SHA256 b24071ce8a3058916812516dc5ba98699a05d04cf0be555b47c9ad79a7bff060
MD5 ffa149cc25215980fcba07cefe988a97
SHA1 6c8ee874bc0b3ea4de3c5786765d4fae58a7b144
SHA512 0c1819e7b8b286d1fe703ec32bdd461d17342d68a99267173ac9282b8dafadf51eebd520385f12d30943be5a91434b3e7332979060f066cc61f1e6fa4a7bd241
TLSH
T1D4C012048D01C0300054E22D06006432DD6D231DC51B2E0174DE00C15B3130E46FE6A1
MD5 SHA1 SHA512 TLSH

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