Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
30/06/2024, 22:31
Behavioral task
behavioral1
Sample
692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
Resource
win7-20240508-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
- Size 90KB
- Sample240630-2fldaa1crj
- SHA256 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8
- MD5 eb6b22e45664b660d8786e8682c3a69f
- SHA1 8d5d56418814c3a51ce1fb6da152791b51b6be10
- SHA512 d29597fc4a0e083c939d9b7e90aaf545e73ced292768933037a380cd4d97ff991132dd789efd5ac4ea87ef833a406a06776754a2ce6586fd2475482d1feb56e9
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- ModiLoader Second Stage 5 IoCs
resource yara_rule behavioral2/memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2616-50-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2616-49-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2616-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe - Executes dropped EXE 3 IoCs
pid Process 4660 csrsll.exe 2484 csrsll.exe 2616 csrsll.exe -
resource yara_rule behavioral2/memory/3992-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3992-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1596-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1596-6-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1596-4-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4660-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x0009000000023410-35.dat upx behavioral2/memory/1596-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2616-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2616-49-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2616-48-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4660-47-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2616-42-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2616-59-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2484-58-0x0000000000400000-0x000000000040B000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 3992 set thread context of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 4660 set thread context of 2484 4660 csrsll.exe 87 PID 4660 set thread context of 2616 4660 csrsll.exe 88 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 4660 csrsll.exe 2484 csrsll.exe - Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 3992 wrote to memory of 1596 3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 80 PID 1596 wrote to memory of 3756 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 81 PID 1596 wrote to memory of 3756 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 81 PID 1596 wrote to memory of 3756 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 81 PID 3756 wrote to memory of 376 3756 cmd.exe 84 PID 3756 wrote to memory of 376 3756 cmd.exe 84 PID 3756 wrote to memory of 376 3756 cmd.exe 84 PID 1596 wrote to memory of 4660 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 85 PID 1596 wrote to memory of 4660 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 85 PID 1596 wrote to memory of 4660 1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe 85 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2484 4660 csrsll.exe 87 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88 PID 4660 wrote to memory of 2616 4660 csrsll.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe"C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe"C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OTFDH.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:3756 -
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:376
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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:4660 -
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:2484
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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:2616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\OTFDH.txt
- Size 145B
- SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
- MD5 4eb61ec7816c34ec8c125acadc57ec1b
- SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
- SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
- Size 90KB
- SHA256 793f2860d35eb992e8ba95195294fb613dc94dbb5981ffacef434532d7a9a136
- MD5 26d40e38b40e434fecde359c11c46bde
- SHA1 bb3fc63f51e9593c3aa96f46982573f17cbebae8
- SHA512 eca4013c568e6b8c726598560de77427c63529b34f39556a4118294de06c442cfe1cbc6d05ebedb1aeca1f46f7cd36555450da41f162ddc9770e3f9b13069590
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP