Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/04/2024, 02:46
Behavioral task
behavioral1
Sample
caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe
Resource
win10v2004-20240226-en
General
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Target
caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe
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Size
90KB
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MD5
f80d71e84a2069e99f61ad7fd83eacef
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SHA1
b4f4d6e0bd00d56654678342a518e6b96469e32a
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SHA256
caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27
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SHA512
849e92a8d1cc6dd31116dad212d76a7905e1294ae8e7a9d19c5df7ab6655ad4aa9df49f2fc305d20dae9fd9ca8985a61e61149c76ff47b13bb5bde86354ffee6
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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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Detects Windows executables referencing non-Windows User-Agents 2 IoCs
resource yara_rule behavioral1/memory/1512-291-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1512-298-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 2 IoCs
resource yara_rule behavioral1/memory/1512-291-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1512-298-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 27 IoCs
resource yara_rule behavioral1/memory/2924-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2924-27-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2924-78-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2924-81-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2924-82-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2924-85-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2956-98-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2956-102-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2956-105-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2956-104-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2956-107-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2924-108-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2956-110-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/files/0x000c000000012267-135.dat UPX behavioral1/memory/1228-152-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2956-171-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1228-173-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1228-204-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1228-220-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1228-234-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1228-261-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1512-281-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1228-284-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2956-288-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1512-291-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/2340-295-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1512-298-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
pid Process 1228 csrsll.exe 2340 csrsll.exe 1512 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe -
resource yara_rule behavioral1/memory/2924-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2924-27-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2924-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2924-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2924-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2924-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2956-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2956-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2956-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2956-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2956-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2956-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2924-108-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2956-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000c000000012267-135.dat upx behavioral1/memory/1228-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2956-171-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1228-173-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1228-204-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1228-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1228-234-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1228-261-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1512-281-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1228-284-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2956-288-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1512-291-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2340-295-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1512-298-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\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 2924 set thread context of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 1228 set thread context of 2340 1228 csrsll.exe 33 PID 1228 set thread context of 1512 1228 csrsll.exe 34 -
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 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe Token: SeDebugPrivilege 2340 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 1228 csrsll.exe 2340 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2924 wrote to memory of 2956 2924 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 28 PID 2956 wrote to memory of 1724 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 29 PID 2956 wrote to memory of 1724 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 29 PID 2956 wrote to memory of 1724 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 29 PID 2956 wrote to memory of 1724 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 29 PID 1724 wrote to memory of 1924 1724 cmd.exe 31 PID 1724 wrote to memory of 1924 1724 cmd.exe 31 PID 1724 wrote to memory of 1924 1724 cmd.exe 31 PID 1724 wrote to memory of 1924 1724 cmd.exe 31 PID 2956 wrote to memory of 1228 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 32 PID 2956 wrote to memory of 1228 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 32 PID 2956 wrote to memory of 1228 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 32 PID 2956 wrote to memory of 1228 2956 caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe 32 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 2340 1228 csrsll.exe 33 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34 PID 1228 wrote to memory of 1512 1228 csrsll.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe"C:\Users\Admin\AppData\Local\Temp\caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe"C:\Users\Admin\AppData\Local\Temp\caa2c19569b515c6809e7a13941ddac2f42e0112bf5d730e81a38b4e29703c27.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\TBPOA.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1724 -
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:1924
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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:1228 -
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:2340
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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:1512
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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
MD502fc11d7af47d837449924eb48759160
SHA1164c6ba24ee3a0a329c9b45436b536f16df6a1cf
SHA2569e9f8dbc18edeca1f944aafcd096fa23cee52fa0c9605c961c57b83fee46000d
SHA512c1fa4a6ac6f073b28f29f98f55e1f2fdc8a82601bda034254dfc65956e7249b63c2139d72c9839c752469025b0d94cb47e2d92d5ed9473bf1cf99cdbbfcd2787