Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
02-06-2024 04:41
Behavioral task
behavioral1
Sample
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe
Resource
win10v2004-20240508-en
General
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Target
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe
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Size
90KB
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MD5
1fadb498c80f984ffcdaf55d673c37f0
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SHA1
bca0473b73f9ed2fce345e9cb1cdebc1b250e86d
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SHA256
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633
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SHA512
12d700c1602f28a287586b0c6a310075355e9bcfefa692cce88d7e4c5be6b5c259ec58964146d16cd619a2e192cc66d02d1755e54068253cdfd513941067284e
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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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/580-260-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral1/memory/580-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 22 IoCs
Processes:
resource yara_rule behavioral1/memory/308-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/308-78-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/308-82-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/308-92-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/308-89-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/308-80-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2576-102-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/308-104-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2576-106-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2576-98-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2576-108-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2576-107-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2576-111-0x0000000000400000-0x000000000040B000-memory.dmp UPX \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral1/memory/2576-148-0x0000000003470000-0x00000000034C3000-memory.dmp UPX behavioral1/memory/1984-150-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1984-167-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/580-245-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1984-249-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2576-254-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1028-259-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/580-260-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1984 csrsll.exe 1028 csrsll.exe 580 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exepid process 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe -
Processes:
resource yara_rule behavioral1/memory/308-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/308-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/308-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/308-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/308-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/308-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2576-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/308-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2576-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2576-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2576-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2576-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2576-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2576-111-0x0000000000400000-0x000000000040B000-memory.dmp upx \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral1/memory/2576-148-0x0000000003470000-0x00000000034C3000-memory.dmp upx behavioral1/memory/1984-150-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1984-167-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/580-245-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1984-249-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2576-254-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1028-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/580-260-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.execsrsll.exedescription pid process target process PID 308 set thread context of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1984 set thread context of 1028 1984 csrsll.exe csrsll.exe PID 1984 set thread context of 580 1984 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 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe Token: SeDebugPrivilege 1028 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exef924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.execsrsll.execsrsll.exepid process 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 1984 csrsll.exe 1028 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exef924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.execmd.execsrsll.exedescription pid process target process PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 308 wrote to memory of 2576 308 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 2576 wrote to memory of 2712 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 2576 wrote to memory of 2712 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 2576 wrote to memory of 2712 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 2576 wrote to memory of 2712 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 2712 wrote to memory of 764 2712 cmd.exe reg.exe PID 2712 wrote to memory of 764 2712 cmd.exe reg.exe PID 2712 wrote to memory of 764 2712 cmd.exe reg.exe PID 2712 wrote to memory of 764 2712 cmd.exe reg.exe PID 2576 wrote to memory of 1984 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 2576 wrote to memory of 1984 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 2576 wrote to memory of 1984 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 2576 wrote to memory of 1984 2576 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 1028 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe PID 1984 wrote to memory of 580 1984 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe"C:\Users\Admin\AppData\Local\Temp\f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:308 -
C:\Users\Admin\AppData\Local\Temp\f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe"C:\Users\Admin\AppData\Local\Temp\f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\OSECG.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2712 -
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:764
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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:1984 -
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:1028
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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:580
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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
MD51fadb498c80f984ffcdaf55d673c37f0
SHA1bca0473b73f9ed2fce345e9cb1cdebc1b250e86d
SHA256f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633
SHA51212d700c1602f28a287586b0c6a310075355e9bcfefa692cce88d7e4c5be6b5c259ec58964146d16cd619a2e192cc66d02d1755e54068253cdfd513941067284e