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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
13/09/2024, 13:17
Behavioral task
behavioral1
Sample
ac533c173cdda6f4aca63272eb21ef00N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ac533c173cdda6f4aca63272eb21ef00N.exe
Resource
win10v2004-20240910-en
General
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Target
ac533c173cdda6f4aca63272eb21ef00N.exe
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Size
90KB
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MD5
ac533c173cdda6f4aca63272eb21ef00
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SHA1
ff725870cf0232b72f2a72383af2a2cd868f38a1
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SHA256
7853d7f6e117ba9b88f07e412b51a6e791f935a322b7c36dd584f3e5f59b5856
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SHA512
a811c5868ba386755bfc358872a92a0baf3cd032a9b0bc26bd80ca413f39aaaa0f1279867dca0722d9ef45ea10dbb58114823c71cbd13291e2993bfb290e166e
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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/2004-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2004-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2004-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/2004-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation ac533c173cdda6f4aca63272eb21ef00N.exe -
Executes dropped EXE 3 IoCs
pid Process 4392 csrsll.exe 4952 csrsll.exe 2004 csrsll.exe -
resource yara_rule behavioral2/memory/916-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/916-5-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2416-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/916-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2416-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2416-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000f000000023ba7-29.dat upx behavioral2/memory/4392-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2416-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4392-41-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4392-42-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2004-48-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2004-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4392-54-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2004-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2004-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2004-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2416-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4952-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2004-61-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\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 916 set thread context of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 4392 set thread context of 4952 4392 csrsll.exe 92 PID 4392 set thread context of 2004 4392 csrsll.exe 93 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac533c173cdda6f4aca63272eb21ef00N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac533c173cdda6f4aca63272eb21ef00N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe Token: SeDebugPrivilege 4952 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 916 ac533c173cdda6f4aca63272eb21ef00N.exe 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 4392 csrsll.exe 4952 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 916 wrote to memory of 2416 916 ac533c173cdda6f4aca63272eb21ef00N.exe 86 PID 2416 wrote to memory of 4696 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 87 PID 2416 wrote to memory of 4696 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 87 PID 2416 wrote to memory of 4696 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 87 PID 4696 wrote to memory of 2880 4696 cmd.exe 90 PID 4696 wrote to memory of 2880 4696 cmd.exe 90 PID 4696 wrote to memory of 2880 4696 cmd.exe 90 PID 2416 wrote to memory of 4392 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 91 PID 2416 wrote to memory of 4392 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 91 PID 2416 wrote to memory of 4392 2416 ac533c173cdda6f4aca63272eb21ef00N.exe 91 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 4952 4392 csrsll.exe 92 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93 PID 4392 wrote to memory of 2004 4392 csrsll.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe"C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe"C:\Users\Admin\AppData\Local\Temp\ac533c173cdda6f4aca63272eb21ef00N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JSPKT.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696 -
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
- System Location Discovery: System Language Discovery
PID:2880
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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
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4952
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2004
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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
MD54df718c5d0e91df709c7ba1e68e4beb7
SHA1888274d3e9bc910865f3a63fdb85ca7e8275123a
SHA256703e2d7fc432f75665a28395ae7d8e44d7e251d3ec24b7e3c27bc4873a51ae7e
SHA51278d671010eaf9489b507014eb4fbdae5c3633239133013d00637c913233e69f8f852adc45ea16e822c8b3384ed37aca5451b942c669a0178108bf1689bb87093