Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2024, 03:30
Behavioral task
behavioral1
Sample
377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
Resource
win10v2004-20240508-en
General
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Target
377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe
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Size
90KB
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MD5
ff784d54993353c9c90531c4768b3700
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SHA1
e26415b4c384c0b6a9ce5c216e400aad9e6c73d1
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SHA256
377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1
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SHA512
7e65378b75cb14996f16c684f6c61aaaed6c24513b8e7d771cd15477604676f2ed1c63f05363fcd9a87fb33a6760f250d45ac5fd9eef188f6feac9a5f3d66287
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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 4 IoCs
resource yara_rule behavioral2/memory/3720-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3720-51-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3720-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3720-60-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe -
Executes dropped EXE 3 IoCs
pid Process 2920 csrsll.exe 3800 csrsll.exe 3720 csrsll.exe -
resource yara_rule behavioral2/memory/4284-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3208-6-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3208-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3208-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4284-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x0008000000023522-28.dat upx behavioral2/memory/2920-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3720-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2920-45-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3720-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3720-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3720-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3720-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3208-58-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3800-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3720-60-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4284 set thread context of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 2920 set thread context of 3800 2920 csrsll.exe 96 PID 2920 set thread context of 3720 2920 csrsll.exe 97 -
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
description pid Process Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe Token: SeDebugPrivilege 3800 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 2920 csrsll.exe 3800 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 4284 wrote to memory of 3208 4284 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 90 PID 3208 wrote to memory of 2620 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 91 PID 3208 wrote to memory of 2620 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 91 PID 3208 wrote to memory of 2620 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 91 PID 2620 wrote to memory of 2992 2620 cmd.exe 94 PID 2620 wrote to memory of 2992 2620 cmd.exe 94 PID 2620 wrote to memory of 2992 2620 cmd.exe 94 PID 3208 wrote to memory of 2920 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 95 PID 3208 wrote to memory of 2920 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 95 PID 3208 wrote to memory of 2920 3208 377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe 95 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3800 2920 csrsll.exe 96 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97 PID 2920 wrote to memory of 3720 2920 csrsll.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"C:\Users\Admin\AppData\Local\Temp\377e1f0ad9e7ce43d9f42cd6fe9457fe2483f797771829217365d7806c6557a1.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LTHSI.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2620 -
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
PID:2992
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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
PID:2920 -
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
PID:3800
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:3720
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4000,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:81⤵PID:364
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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Filesize
90KB
MD5a30d19fd2e539901f9c4807fbdd96f59
SHA1acb96cd129b8a17266e2217d15eef2269c4b1c23
SHA256bee28ad696ff2e604cdd1e247fe7a6cd7030b51fcf5325c20154f8c7068650d1
SHA5121bb2daa0794624c62757b014688ce91418922a4f5c7888e7fc80a8bb39ad00d9c23febf8420b0a9c3fab8128fe6100fbd37110da9397b4d70691567be17e3052