Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2023 16:00
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe
Resource
win10v2004-20231127-en
General
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Target
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe
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Size
308KB
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MD5
6f331f4edfa3feb15f68bb9f9fb15ff9
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SHA1
31c86ab64f80518fff5b3a9d824c5e2220b2c466
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SHA256
60b0ef6574d0a7a30ee5b4fbbf7c1709994e9f3ae276359b8a335930df9dd29c
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SHA512
08e19565b38b034c0912d61264725e7fec2c4c25c0536c6a5408a8a23f27b5ae6f9a24fe091197e72da6d36797c006010d9977cb4a25ddf87bc17db5f53deaf9
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SSDEEP
3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F
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 Second Stage 3 IoCs
Processes:
resource yara_rule behavioral2/memory/620-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/620-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/620-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Control Panel\International\Geo\Nation NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1856 csrsll.exe 4620 csrsll.exe 620 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/2364-5-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2364-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2364-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2364-18-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2364-31-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/620-44-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/620-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/620-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/620-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2364-55-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4620-58-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/620-59-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.execsrsll.exedescription pid process target process PID 224 set thread context of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 1856 set thread context of 4620 1856 csrsll.exe csrsll.exe PID 1856 set thread context of 620 1856 csrsll.exe csrsll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe Token: SeDebugPrivilege 4620 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exeNEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.execsrsll.execsrsll.exepid process 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe 1856 csrsll.exe 4620 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exeNEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.execmd.execsrsll.exedescription pid process target process PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 224 wrote to memory of 2364 224 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe PID 2364 wrote to memory of 4832 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe cmd.exe PID 2364 wrote to memory of 4832 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe cmd.exe PID 2364 wrote to memory of 4832 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe cmd.exe PID 4832 wrote to memory of 4632 4832 cmd.exe reg.exe PID 4832 wrote to memory of 4632 4832 cmd.exe reg.exe PID 4832 wrote to memory of 4632 4832 cmd.exe reg.exe PID 2364 wrote to memory of 1856 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe csrsll.exe PID 2364 wrote to memory of 1856 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe csrsll.exe PID 2364 wrote to memory of 1856 2364 NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 4620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe PID 1856 wrote to memory of 620 1856 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.6f331f4edfa3feb15f68bb9f9fb15ff9.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CSTQY.bat" "3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f4⤵
- Adds Run key to start application
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\CSTQY.batFilesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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C:\Users\Admin\AppData\Local\Temp\CSTQY.txtFilesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exeFilesize
308KB
MD538f64b0e56881ace4da445aaa0119308
SHA1587d83ccbd9038fd446afc3769cc4245697f9525
SHA256ee540070e71b7c54307c2bb1f7f8a865b00be63f0d48a3a6feeee9db5c8aaea3
SHA5121debe14524315bd683086a9df7d60869f82dab85a5d73e2b16d6ae93dd41eacd869a76779730fe3bb61bf89218090cb36d3c6e2699df0c2e8d19af8fdd55580b
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exeFilesize
308KB
MD538f64b0e56881ace4da445aaa0119308
SHA1587d83ccbd9038fd446afc3769cc4245697f9525
SHA256ee540070e71b7c54307c2bb1f7f8a865b00be63f0d48a3a6feeee9db5c8aaea3
SHA5121debe14524315bd683086a9df7d60869f82dab85a5d73e2b16d6ae93dd41eacd869a76779730fe3bb61bf89218090cb36d3c6e2699df0c2e8d19af8fdd55580b
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exeFilesize
308KB
MD538f64b0e56881ace4da445aaa0119308
SHA1587d83ccbd9038fd446afc3769cc4245697f9525
SHA256ee540070e71b7c54307c2bb1f7f8a865b00be63f0d48a3a6feeee9db5c8aaea3
SHA5121debe14524315bd683086a9df7d60869f82dab85a5d73e2b16d6ae93dd41eacd869a76779730fe3bb61bf89218090cb36d3c6e2699df0c2e8d19af8fdd55580b
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exeFilesize
308KB
MD538f64b0e56881ace4da445aaa0119308
SHA1587d83ccbd9038fd446afc3769cc4245697f9525
SHA256ee540070e71b7c54307c2bb1f7f8a865b00be63f0d48a3a6feeee9db5c8aaea3
SHA5121debe14524315bd683086a9df7d60869f82dab85a5d73e2b16d6ae93dd41eacd869a76779730fe3bb61bf89218090cb36d3c6e2699df0c2e8d19af8fdd55580b
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exeFilesize
308KB
MD538f64b0e56881ace4da445aaa0119308
SHA1587d83ccbd9038fd446afc3769cc4245697f9525
SHA256ee540070e71b7c54307c2bb1f7f8a865b00be63f0d48a3a6feeee9db5c8aaea3
SHA5121debe14524315bd683086a9df7d60869f82dab85a5d73e2b16d6ae93dd41eacd869a76779730fe3bb61bf89218090cb36d3c6e2699df0c2e8d19af8fdd55580b
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memory/224-3-0x0000000002B80000-0x0000000002B81000-memory.dmpFilesize
4KB
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memory/224-0-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/224-4-0x0000000002BA0000-0x0000000002BA1000-memory.dmpFilesize
4KB
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memory/620-50-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/620-44-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/620-59-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/620-56-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/620-53-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1856-41-0x0000000002A50000-0x0000000002A51000-memory.dmpFilesize
4KB
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memory/1856-45-0x0000000002AC0000-0x0000000002AC1000-memory.dmpFilesize
4KB
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memory/1856-39-0x0000000002A40000-0x0000000002A41000-memory.dmpFilesize
4KB
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memory/1856-38-0x0000000002A30000-0x0000000002A31000-memory.dmpFilesize
4KB
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memory/1856-35-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
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memory/2364-18-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2364-7-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2364-31-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2364-9-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2364-55-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2364-5-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/4620-58-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB