0fa4003800217d29dd9175f600657b8c29346a591dde367f7ffb8126c46e0724

Analysis

max time kernel
152s
max time network
182s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 14:42

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General

Target
BundleCitrixWorkspace2026/uninstall.bat
Size 247B
Sample260910-r299esdn2t
SHA256 0fa4003800217d29dd9175f600657b8c29346a591dde367f7ffb8126c46e0724
MD5 82d347190a0c4ddf3f10c9fb5cc2fafe
SHA1 520d64999d96728db38e022851d4eb6d3fb969f4
SHA512 4b0c40ecbfc190f3f0b6e860ef6a20efe4133a7612b436b6271a643abfb9d493eb48f5cc2163e89f165ccf2cec9781ebf1545a822d9e53e4e54bf6e6a915db8b
TLSH
T174D02B0F3A4B3E693B50B6D2B8B2D10269AD518110145DD121FE1426B540B485A2058E
MD5 SHA1 SHA512 TLSH

Score

7^/10

discovery execution

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3424	bootstrapperhelper.exe

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
4684	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CitrixWorkspaceFullInstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bootstrapperhelper.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3424	bootstrapperhelper.exe
3424	bootstrapperhelper.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 1212	4684	cmd.exe	89
PID 1212 wrote to memory of 1152	1212	net.exe	90
PID 4684 wrote to memory of 4076	4684	cmd.exe	91
PID 4076 wrote to memory of 3424	4076	CitrixWorkspaceFullInstaller.exe	92

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\BundleCitrixWorkspace2026\uninstall.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1212
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:1152
- C:\Users\Admin\AppData\Local\Temp\BundleCitrixWorkspace2026\setup-files\CitrixWorkspaceFullInstaller.exe
  .\setup-files\CitrixWorkspaceFullInstaller.exe /uninstall
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Users\Admin\AppData\Local\Ctx-07DD0135-84FF-427B-869A-47CD6827B558\Extract\bootstrapperhelper.exe
    "C:\Users\Admin\AppData\Local\Ctx-07DD0135-84FF-427B-869A-47CD6827B558\Extract\bootstrapperhelper.exe" /uninstall OfflineInstaller
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3424

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

bootstrapperhelper.exe

Path C:\Users\Admin\AppData\Local\Ctx-07DD0135-84FF-427B-869A-47CD6827B558\Extract\bootstrapperhelper.exe
Size 2.0MB
SHA256 94a12c160832a9846b7186ecb6b26e9a4dca893305d3cbdba464d010a1bf8eea
MD5 fd47144e703843bc08a57ea569c68719
SHA1 fa2aac83881ed1912c03ace5454273b56fb52356
SHA512 66cd4839790a2b3c75554e6df56cced818e856934ba662bb0eed04b88b5f16bec951c00d5ef953ca8de1b8ecc40609f94945cbde4d1a2e0b8202adf7ccb769e7
SSDEEP 12288:vHBHjXG1sAk9PH87LYxiHXLSGwjMAv+io848DwdruV:vHY887LYxMSpQAnoX8DcrI
TLSH
T1B5A53A4175B19032E8B3C5BD4A7AC9645E297C610F6DA4CBAFCC3E8E07319D16731E2A
MD5 SHA1 SHA512 SSDEEP TLSH

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