3df80a388ebef29593840835f69c771bb0614974f7346709b4e8302bf3e3db69

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/06/2026, 12:19

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General

Target
install-tl-20260603/install-tl-windows.bat
Size 5KB
Sample260603-pg6dmaex2w
SHA256 3df80a388ebef29593840835f69c771bb0614974f7346709b4e8302bf3e3db69
MD5 6bf9640ef7c33a8f5d7e491dec479380
SHA1 3a005741861f0b018058772ca95710096649b2c4
SHA512 ea1ea7e4f0a270b00f5abb88eb1802d2acc64cfef6e1759dd7623a2be3c2374192292689636cbcc9131419625dfb77a608283770bd2723911b9671dabb8c0503
SSDEEP 96:FXbz8uizvPpJBCD6LmVU8alQPKsxMomaXyIaz419ar0M7u/lNO+zJaPpL:Fv8RFJaVDI1sx9maPaz419G0MPJ
TLSH
T178C1711A51012EB63CF193A29B36B511F31DD166673AC5EC38BBD1E76F2B12281336E1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2764	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	tar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wget.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xz.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2764	powershell.exe
2764	powershell.exe
2764	powershell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeIncreaseQuotaPrivilege	2764	powershell.exe
Token: SeSecurityPrivilege	2764	powershell.exe
Token: SeTakeOwnershipPrivilege	2764	powershell.exe
Token: SeLoadDriverPrivilege	2764	powershell.exe
Token: SeSystemProfilePrivilege	2764	powershell.exe
Token: SeSystemtimePrivilege	2764	powershell.exe
Token: SeProfSingleProcessPrivilege	2764	powershell.exe
Token: SeIncBasePriorityPrivilege	2764	powershell.exe
Token: SeCreatePagefilePrivilege	2764	powershell.exe
Token: SeBackupPrivilege	2764	powershell.exe
Token: SeRestorePrivilege	2764	powershell.exe
Token: SeShutdownPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeSystemEnvironmentPrivilege	2764	powershell.exe
Token: SeRemoteShutdownPrivilege	2764	powershell.exe
Token: SeUndockPrivilege	2764	powershell.exe
Token: SeManageVolumePrivilege	2764	powershell.exe
Token: 33	2764	powershell.exe
Token: 34	2764	powershell.exe
Token: 35	2764	powershell.exe
Token: 36	2764	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 3220	2104	cmd.exe	89
PID 2104 wrote to memory of 3724	2104	cmd.exe	90
PID 2104 wrote to memory of 116	2104	cmd.exe	91
PID 116 wrote to memory of 2108	116	tclkit.exe	92
PID 2108 wrote to memory of 4908	2108	perl.exe	93
PID 4908 wrote to memory of 4040	4908	cmd.exe	95
PID 2108 wrote to memory of 3984	2108	perl.exe	96
PID 3984 wrote to memory of 2388	3984	cmd.exe	98
PID 2108 wrote to memory of 3876	2108	perl.exe	99
PID 2108 wrote to memory of 4616	2108	perl.exe	101
PID 4616 wrote to memory of 1872	4616	cmd.exe	103
PID 2108 wrote to memory of 1580	2108	perl.exe	104
PID 1580 wrote to memory of 4588	1580	cmd.exe	106
PID 2108 wrote to memory of 608	2108	perl.exe	107
PID 2108 wrote to memory of 3532	2108	perl.exe	109
PID 2108 wrote to memory of 4232	2108	perl.exe	111
PID 2108 wrote to memory of 4532	2108	perl.exe	113
PID 4532 wrote to memory of 1592	4532	cmd.exe	115
PID 2108 wrote to memory of 2188	2108	perl.exe	116
PID 2188 wrote to memory of 3980	2188	cmd.exe	118
PID 2108 wrote to memory of 4212	2108	perl.exe	125
PID 2108 wrote to memory of 872	2108	perl.exe	137
PID 872 wrote to memory of 1772	872	cmd.exe	139
PID 2108 wrote to memory of 2764	2108	perl.exe	140

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\install-tl-windows.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ver
  2⤵
  PID:3220
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c perl -V:version 2>NUL
  2⤵
  PID:3724
- C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\tltcl\tclkit.exe
  "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\tltcl\tclkit.exe" "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\install-tl-gui.tcl" --
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:116
- - C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\tlperl\bin\perl.exe
    C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\tlperl\bin\perl.exe C:/Users/Admin/AppData/Local/Temp/install-tl-20260603/install-tl -from_ext_gui
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\tar.exe --version >nul 2>&1"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4908
    - - C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\tar.exe
        
        C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\tar.exe --version
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4040
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "curl --version >nul 2>&1"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3984
    - - C:\Windows\system32\curl.exe
        
        curl --version
        5⤵
        
        PID:2388
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "wget --version >nul 2>&1"
      4⤵
      PID:3876
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\wget\wget.exe --version >nul 2>&1"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4616
    - - C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\wget\wget.exe
        
        C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\wget\wget.exe --version
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1872
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\wget\wget.exe --version 2>&1"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1580
    - - C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\wget\wget.exe
        
        C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\wget\wget.exe --version
        5⤵
        
        PID:4588
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "lz4 --version >nul 2>&1"
      4⤵
      PID:608
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "gzip --version >nul 2>&1"
      4⤵
      PID:3532
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "xz --version >nul 2>&1"
      4⤵
      PID:4232
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\xz\xz.exe --version >nul 2>&1"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4532
    - - C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\xz\xz.exe
        
        C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\xz\xz.exe --version
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1592
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "curl -Ls -o nul -w "%{url_effective}" --connect-timeout 30 --max-time 30 https://mirror.ctan.org"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2188
    - - C:\Windows\system32\curl.exe
        
        curl -Ls -o nul -w "%{url_effective}" --connect-timeout 30 --max-time 30 https://mirror.ctan.org
        5⤵
        
        PID:3980
  - - C:\Windows\system32\curl.exe
      curl --user-agent texlive/curl --retry 4 --retry-delay 4 --connect-timeout 30 --fail --location --silent --output C:\Users\Admin\AppData\Local\Temp\PMqcuujAwa\nu8SP7IdoZ https://mirror.ctan.org/systems/texlive/tlnet/tlpkg/texlive.tlpdb.xz
      4⤵
      PID:4212
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /x/d/c "C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\xz\xz.exe -dcf < "C:\Users\Admin\AppData\Local\Temp\PMqcuujAwa\nu8SP7IdoZ" > "C:\Users\Admin\AppData\Local\Temp\PMqcuujAwa\iGFmIFlsrb""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:872
    - - C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\xz\xz.exe
        
        C:\Users\Admin\AppData\Local\Temp\install-tl-20260603\tlpkg\installer\xz\xz.exe -dcf
        5⤵
        
        PID:1772
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noninteractive -noprofile -command "get-psdrive -name C -ea ignore |select-object free |format-wide"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2764

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

iGFmIFlsrb

Path C:\Users\Admin\AppData\Local\Temp\PMqcuujAwa\iGFmIFlsrb
Size 19.3MB
SHA256 a67cda3368041b7af03d157035f1ccebf5c2951d80eae5c5f80794a8464ac815
MD5 2e76e683e3b45af34ba7428bb2cc4aad
SHA1 4ff08da40d0f471cebd0f8fd357776c89baca048
SHA512 c50dd534416ea6b7d93db251b67bd9bc95750b083d952e408e17c9093cbf19958686948d1a958d1e27f280cdda2d40bee4477c089ea1011cf943f0fc4a6808b4
SSDEEP 49152:9/XRjATik/NB4zBsJDMwGN653Y8bJKML9GlOuML0z5aSxr0ihbE1tWG65DMwGN6v:N
TLSH
T1811730D187F43273A685FD427A619693ED0728E2B68EDD43A05C91D890FC79722E8337
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nu8SP7IdoZ

Path C:\Users\Admin\AppData\Local\Temp\PMqcuujAwa\nu8SP7IdoZ
Size 2.6MB
SHA256 17a27073e8e13d17ba2eab6806316f500c7edba40a0530327307bcdff5eb45a8
MD5 2799abe4bbdac568c260a1872ef7b5c2
SHA1 131607e97252e9c630039731b4318bd321788bbb
SHA512 d06a16fbdf61abe06489a52090304a1b96cbe1c8e3a3f02b949c7903652dcb7ae7518bdce1bb5bad038da6b3820b9e53c5bc272b02c53dba2aa6836dc7da5979
SSDEEP 49152:VuEL7lmJOaQreHmaDXqWoa8SQwSeJ0kHx8AlJF1fsOhYg6mwJVDyOYnE:kEL7lmJOXiHmaJoHSQwdnHvPeAmknE
TLSH
T162C53318FDD9B5EB1C1C974CCD9E15A87026E9F12CE4BEEC6E20D4C137A94EADB81604
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

__PSScriptPolicyTest_duvfrven.cem.ps1

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

Submit Download

memory/1592-2-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/1772-6-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/1872-0-0x0000000000400000-0x000000000085E000-memory.dmp

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memory/2764-9-0x0000023FEAD70000-0x0000023FEAD92000-memory.dmp

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memory/2764-17-0x0000023FEB3F0000-0x0000023FEB41A000-memory.dmp

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memory/2764-18-0x0000023FEB3F0000-0x0000023FEB414000-memory.dmp

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memory/2764-21-0x0000023FEAEA0000-0x0000023FEAFEE000-memory.dmp

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memory/4588-1-0x0000000000400000-0x000000000085E000-memory.dmp

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