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Overview

overview

10

Static

static

10

am.exe

windows7-x64

10

am.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2025, 07:58

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General

  • Target

    am.exe

  • Size

    93KB

  • MD5

    59b40a406af1b307f204b246371db9bf

  • SHA1

    8448937d6dcd4868082a2e09fd6ff582d9c73c70

  • SHA256

    5f1eaaa7781758b4830a2c576234d1687f95c1b058b48d833a4d71f2fa970d6b

  • SHA512

    1c392cda14f386a45b20f08f2f5ec3a6fcfd06f649cfe21c1f3f9ce6a31e4485cb5598c41c2b4cbcf312bc67ca0db41e1dc887caeeabd325f6259ee85cf49fec

  • SSDEEP

    768:WY3TmdD9O/pBcxYsbae6GIXb9pDX2KC98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3Y7E:hm3Ox6baIa9R/j00ljEwzGi1dDuD6gS

Score
8/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\am.exe
    "C:\Users\Admin\AppData\Local\Temp\am.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4640
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2232
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:388
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4796
  • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
    C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4308
  • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
    C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

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\Microsoft\CLR_v2.0_32\UsageLogs\StUpdate.exe.log
    Filesize

    408B

    MD5

    661cab77d3b907e8057f2e689e995af3

    SHA1

    5d1a0ee9c5ee7a7a90d56d00c10dc0e679bee01c

    SHA256

    8f27f95ad7c09f2e05d7960e78ef8cd935c1262e9657883a75d70dcb877592d2

    SHA512

    2523b316bd79fed0e9b3d73f46959f3dfe270cf950f34bd9d49fe4113a2ae46d0cd00224d848bc40c0d8c55449e2dccc4b4278ba4809c0ca9ede1ac75673fc67

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    93KB

    MD5

    59b40a406af1b307f204b246371db9bf

    SHA1

    8448937d6dcd4868082a2e09fd6ff582d9c73c70

    SHA256

    5f1eaaa7781758b4830a2c576234d1687f95c1b058b48d833a4d71f2fa970d6b

    SHA512

    1c392cda14f386a45b20f08f2f5ec3a6fcfd06f649cfe21c1f3f9ce6a31e4485cb5598c41c2b4cbcf312bc67ca0db41e1dc887caeeabd325f6259ee85cf49fec

    Download Submit

  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    4B

    MD5

    c6bdbc9d86009ccf7e8de878c9603213

    SHA1

    2a4b8716f978f2d107bcd8294b486a5ee45afe6e

    SHA256

    36a067fdfcee95eb270f0b72e3b9e40d52c907d749fb9a8490d82f8ee56b29eb

    SHA512

    c42a52cd8837e2533b3d5ec97639f0c94287e3d7a6c73635c21df50eba8483b60df15bf262a308836875cd9afed504e7f98a2f6b254e4181fe548b1853d42256

    Download Submit

  • memory/2312-0-0x0000000074ED2000-0x0000000074ED3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2312-1-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2312-2-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2312-13-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2424-14-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2424-15-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2424-16-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2424-25-0x0000000074ED0000-0x0000000075481000-memory.dmp

    Filesize

    5.7MB

    Download