043afea45ab69c748c037262aa8c057e001e21853a76ddf601ba79940df1a4b0

Analysis

user interaction
yes
max time kernel
33s
max time network
39s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/08/2026, 04:23

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General

Target
HowToFishTrainer.exe
Size 111.6MB
Sample260823-e1bcgsxvhx
SHA256 043afea45ab69c748c037262aa8c057e001e21853a76ddf601ba79940df1a4b0
MD5 db9ebcd828d4d75312a3aa0de2f83ed0
SHA1 21d5de082f60d5bdb3c63ed94315e8d33fc07423
SHA512 485037d8e6196aa020a4196d1d1f47617a2f70ef4c2c90e53fdf3b93eefb4acacac2d177f566879781851bbf1cbcbb4e23210b369ca4fe682e407e96f981455d
SSDEEP 1572864:1Pp36F/iKRzHo0EL9uXpXFxAI/MZqNrGZVOc4XIoC3MnluZQrZO:1PpIlHheuXpX/z/5NivOcC7hlTrQ
TLSH
T1BD48F01663E111AAD577D178C7AB6203EB72B40713308BDB329C43652F73AE45E7AB60
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1016	powershell.exe
3732	powershell.exe
1016	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1944	uouvQ1PjcGRZ.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	uouvQ1PjcGRZ.exe

Executes a command shell one-liner 1 TTPs 3 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
4088	cmd.exe
3748	cmd.exe
1692	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3732	powershell.exe
3732	powershell.exe
1016	powershell.exe
1016	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	powershell.exe
Token: SeDebugPrivilege	1016	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 4088	3720	HowToFishTrainer.exe	86
PID 4088 wrote to memory of 3732	4088	cmd.exe	88
PID 3720 wrote to memory of 3748	3720	HowToFishTrainer.exe	89
PID 3748 wrote to memory of 556	3748	cmd.exe	91
PID 556 wrote to memory of 740	556	net.exe	92
PID 3720 wrote to memory of 1692	3720	HowToFishTrainer.exe	93
PID 1692 wrote to memory of 1016	1692	cmd.exe	95
PID 1016 wrote to memory of 3392	1016	powershell.exe	96
PID 3720 wrote to memory of 1944	3720	HowToFishTrainer.exe	97

C:\Users\Admin\AppData\Local\Temp\HowToFishTrainer.exe
"C:\Users\Admin\AppData\Local\Temp\HowToFishTrainer.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command [void][System.Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms'); [System.Windows.Forms.MessageBox]::Show('version 1.0.0','Program','OK','Information')"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4088
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -WindowStyle Hidden -Command [void][System.Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms'); [System.Windows.Forms.MessageBox]::Show('version 1.0.0','Program','OK','Information')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3732
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "net session"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Windows\system32\net.exe
    net session
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:556
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 session
      4⤵
      PID:740
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath $env:TEMP,'C:\ProgramData','C:\ProgramData\Windows\Microsoft','C:\ProgramData\Microsoft\Windows'; gpupdate /force""
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath $env:TEMP,'C:\ProgramData','C:\ProgramData\Windows\Microsoft','C:\ProgramData\Microsoft\Windows'; gpupdate /force"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1016
  - - C:\Windows\system32\gpupdate.exe
      "C:\Windows\system32\gpupdate.exe" /force
      4⤵
      PID:3392
- C:\ProgramData\uouvQ1PjcGRZ.exe
  C:\ProgramData\uouvQ1PjcGRZ.exe
  2⤵
  - Executes dropped EXE
  - Checks for VirtualBox DLLs, possible anti-VM trick
  PID:1944

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

uouvQ1PjcGRZ.exe

Path C:\ProgramData\uouvQ1PjcGRZ.exe
Size 521KB
SHA256 ecdfee23f9db2bbdc65375dcd51718865f78eae8d737e0a1d05c518dc445512c
MD5 9b99e898f18e2bf9e7495f5b5c13e85d
SHA1 3cb110a743925258f1cc9b5f46d28128aeebbc90
SHA512 12b3d2fee4055d24177c1c7724549c7d8459c1423d1a3605cb364b3140bf4441fc1a3470ee79d97e424444122577c5a68bdf52eda7acba6729eae24bb7647b17
SSDEEP 12288:0uGTCJikvekAfcKg/tBrIM6H6ofWSlSjWS:+TCJikv2fcKg/PUM6HLuYSjW
TLSH
T164B47CA3A39227FCC1E6C374C016362CF6613F5156298696469AF7210F37A8CAF3DB54
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 8d0896f043e62ea4952833cb20d23fc5f39f2a004bada23c71fc41af8b37a6e2
MD5 4b6a25c71368c32af07089d65cb075f5
SHA1 489f98f82b860b96b375af8b236d2a390c6e2fd4
SHA512 24f6478e8bc175d10bd849356a35b421daf718839c344ce1a14ac0324d4c90162df618f690de61d992a92fc4c9b8cf8bb46eddb8560da5a126ad0904456ef4c9
TLSH
T10F51DF313376B0D888163F461D691AC053BF4355FA94AF1CB698625EDE2640B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 a80665d8323ac17edd7b7b9720eec0d1b8a5182826decc18a77d67f6790eac0b
MD5 535df1bbd84213037aa333b332787a4e
SHA1 120f6780ac2d7fd5bc1790899131603dfcb06460
SHA512 076c9dfcbb0405860a743483b2d8368c1e7d47e006d7d83f2d4fb3634970b1d5c2b41c66a08d61d009189a1fe1fbe9ccf26b70ea2efc8e86e9a6ea6205c7294a
MD5 SHA1 SHA512

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__PSScriptPolicyTest_cweetlun.ltf.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cweetlun.ltf.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/1016-22-0x0000026A5AC20000-0x0000026A5AD6E000-memory.dmp

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memory/1016-24-0x0000026A5AC20000-0x0000026A5AD6E000-memory.dmp

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memory/3732-1-0x0000019BA1460000-0x0000019BA1470000-memory.dmp

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memory/3732-9-0x0000019BA1430000-0x0000019BA1452000-memory.dmp

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memory/3732-12-0x0000019BA36E0000-0x0000019BA382E000-memory.dmp

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