Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-12-2024 15:12
Static task
static1
Behavioral task
behavioral1
Sample
F.OPumpIstekDocx.bat
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
F.OPumpIstekDocx.bat
Resource
win10v2004-20241007-en
General
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Target
F.OPumpIstekDocx.bat
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Size
2.8MB
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MD5
0bdc3aeffe000c9c0c73a3faa2d001d8
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SHA1
1c8bc96bd0e00b21d734f936aeaea1e612442912
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SHA256
e11e4469c9c003f2b0074deada876e15f30afccae6178c5317e16cf5e6ee1ff6
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SHA512
6e577ecc9f09a106bfc32f81ece6e3277f3c02622d12205da0d8efbaf5602d86b6556ed2df576bad9de48c7908122d8ae35008c65ad868822b25b6543865fe83
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SSDEEP
24576:kH1yveXvtJNwYay5+kiD7Dm5c0B58llll8lUWtWJxM9bhHNfbTXr063u95fX7:kVyGftJ+YawbiS5BBUvzM9bhHNfnXm
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modiloader family
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ModiLoader Second Stage 61 IoCs
resource yara_rule behavioral2/memory/3916-29-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-33-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-35-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-36-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-44-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-58-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-93-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-92-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-90-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-89-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-87-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-85-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-84-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-82-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-80-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-79-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-77-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-76-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-74-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-75-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-73-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-72-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-70-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-68-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-66-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-65-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-63-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-61-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-57-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-88-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-86-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-56-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-83-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-81-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-54-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-78-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-71-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-49-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-48-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-69-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-47-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-67-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-46-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-64-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-45-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-62-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-60-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-59-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-43-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-41-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-55-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-42-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-53-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-52-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-51-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-40-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-50-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-39-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-38-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-34-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 behavioral2/memory/3916-37-0x00000000029B0000-0x00000000039B0000-memory.dmp modiloader_stage2 -
Executes dropped EXE 9 IoCs
pid Process 5036 alpha.exe 4264 alpha.exe 1140 kn.exe 764 alpha.exe 3288 kn.exe 3916 spoolsv.COM 3964 alpha.exe 1060 alpha.exe 4112 xzeheenC.pif -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cneehezx = "C:\\Users\\Public\\Cneehezx.url" spoolsv.COM -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 16 bitbucket.org 18 bitbucket.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3916 set thread context of 4112 3916 spoolsv.COM 100 -
Program crash 1 IoCs
pid pid_target Process procid_target 1396 4112 WerFault.exe 100 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.COM Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 18 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 20 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 1948 wrote to memory of 2584 1948 cmd.exe 83 PID 1948 wrote to memory of 2584 1948 cmd.exe 83 PID 1948 wrote to memory of 5036 1948 cmd.exe 84 PID 1948 wrote to memory of 5036 1948 cmd.exe 84 PID 5036 wrote to memory of 4604 5036 alpha.exe 85 PID 5036 wrote to memory of 4604 5036 alpha.exe 85 PID 1948 wrote to memory of 4264 1948 cmd.exe 86 PID 1948 wrote to memory of 4264 1948 cmd.exe 86 PID 4264 wrote to memory of 1140 4264 alpha.exe 87 PID 4264 wrote to memory of 1140 4264 alpha.exe 87 PID 1948 wrote to memory of 764 1948 cmd.exe 88 PID 1948 wrote to memory of 764 1948 cmd.exe 88 PID 764 wrote to memory of 3288 764 alpha.exe 89 PID 764 wrote to memory of 3288 764 alpha.exe 89 PID 1948 wrote to memory of 3916 1948 cmd.exe 90 PID 1948 wrote to memory of 3916 1948 cmd.exe 90 PID 1948 wrote to memory of 3916 1948 cmd.exe 90 PID 1948 wrote to memory of 3964 1948 cmd.exe 91 PID 1948 wrote to memory of 3964 1948 cmd.exe 91 PID 1948 wrote to memory of 1060 1948 cmd.exe 92 PID 1948 wrote to memory of 1060 1948 cmd.exe 92 PID 3916 wrote to memory of 3752 3916 spoolsv.COM 96 PID 3916 wrote to memory of 3752 3916 spoolsv.COM 96 PID 3916 wrote to memory of 3752 3916 spoolsv.COM 96 PID 3916 wrote to memory of 4112 3916 spoolsv.COM 100 PID 3916 wrote to memory of 4112 3916 spoolsv.COM 100 PID 3916 wrote to memory of 4112 3916 spoolsv.COM 100 PID 3916 wrote to memory of 4112 3916 spoolsv.COM 100 PID 3916 wrote to memory of 4112 3916 spoolsv.COM 100
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\F.OPumpIstekDocx.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\System32\extrac32.exeC:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"2⤵PID:2584
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Windows\system32\extrac32.exeextrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe3⤵PID:4604
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\F.OPumpIstekDocx.bat" "C:\\Users\\Public\\spoolsv.MPEG" 92⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\F.OPumpIstekDocx.bat" "C:\\Users\\Public\\spoolsv.MPEG" 93⤵
- Executes dropped EXE
PID:1140
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\spoolsv.MPEG" "C:\\Users\\Public\\Libraries\\spoolsv.COM" 122⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:764 -
C:\Users\Public\kn.exeC:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\spoolsv.MPEG" "C:\\Users\\Public\\Libraries\\spoolsv.COM" 123⤵
- Executes dropped EXE
PID:3288
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C:\Users\Public\Libraries\spoolsv.COMC:\Users\Public\Libraries\spoolsv.COM2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Public\Libraries\FX.cmd3⤵
- System Location Discovery: System Language Discovery
PID:3752
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C:\Users\Public\Libraries\xzeheenC.pifC:\Users\Public\Libraries\xzeheenC.pif3⤵
- Executes dropped EXE
PID:4112 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 124⤵
- Program crash
PID:1396
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S2⤵
- Executes dropped EXE
PID:3964
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C:\Users\Public\alpha.exeC:\\Users\\Public\\alpha /c del /q "C:\Users\Public\spoolsv.MPEG" / A / F / Q / S2⤵
- Executes dropped EXE
PID:1060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4112 -ip 41121⤵PID:2780
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
8KB
MD560cd0be570decd49e4798554639a05ae
SHA1bd7bed69d9ab9a20b5263d74921c453f38477bcb
SHA256ca6a6c849496453990beceef8c192d90908c0c615fa0a1d01bcd464bad6966a5
SHA512ab3dbdb4ed95a0cb4072b23dd241149f48ecff8a69f16d81648e825d9d81a55954e5dd9bc46d3d7408421df30c901b9ad1385d1e70793fa8d715c86c9e800c57
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Filesize
995KB
MD546fc1e1bca07585cf21cc37149f2b424
SHA12d028a4ee44f9b3dd5387da39490d45f897d7c8f
SHA256ba9c4833df28503ea4ac99bde43ce579fe555dc3abce36429197c4ec727ce5c3
SHA5128c5a859a3b3d065c63187dbadd621eb71fb8747bbe39b2bb62e00251b747117092bc7791a0a80d7f4034f0255a8b929c270ba603d6b44ed192f94cc4e1802f67
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Filesize
171KB
MD522331abcc9472cc9dc6f37faf333aa2c
SHA12a001c30ba79a19ceaf6a09c3567c70311760aa4
SHA256bdfa725ec2a2c8ea5861d9b4c2f608e631a183fca7916c1e07a28b656cc8ec0c
SHA512c7f5baad732424b975a426867d3d8b5424aa830aa172ed0ff0ef630070bf2b4213750e123a36d8c5a741e22d3999ca1d7e77c62d4b77d6295b20a38114b7843c
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Filesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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Filesize
1.6MB
MD5bd8d9943a9b1def98eb83e0fa48796c2
SHA170e89852f023ab7cde0173eda1208dbb580f1e4f
SHA2568de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
SHA51295630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b
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Filesize
1.9MB
MD56892220c5881083c867b7271ae3242ac
SHA1bd4a53c21f1f7a53ed69cd9ec96f606e880d7e50
SHA256daef811906fb8d0bc905f712e9edbc970d17adc31a5fa5517889b2dcee73ef22
SHA512b98888601892104b01b1276d467a6debb33e26276be949ddde68614435d387e26c669f7a6eb549de28d7c95135fd46b09bfd2fef7ad543e4e34d31e117d0d722