Analysis
-
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
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
-
Target
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe
-
Size
90KB
-
MD5
1fadb498c80f984ffcdaf55d673c37f0
-
SHA1
bca0473b73f9ed2fce345e9cb1cdebc1b250e86d
-
SHA256
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633
-
SHA512
12d700c1602f28a287586b0c6a310075355e9bcfefa692cce88d7e4c5be6b5c259ec58964146d16cd619a2e192cc66d02d1755e54068253cdfd513941067284e
-
SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Detects Windows executables referencing non-Windows User-Agents 5 IoCs
Processes:
resource yara_rule behavioral2/memory/1476-49-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1476-53-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1476-52-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1476-50-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1476-61-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 5 IoCs
Processes:
resource yara_rule behavioral2/memory/1476-49-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1476-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1476-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1476-50-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1476-61-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 18 IoCs
Processes:
resource yara_rule behavioral2/memory/1488-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/800-3-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/800-9-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1488-12-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/800-11-0x0000000000400000-0x000000000040B000-memory.dmp UPX C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral2/memory/4504-35-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/4504-41-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/1476-44-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1476-48-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1476-49-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1476-53-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1476-52-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1476-50-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/4504-56-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/800-59-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/5012-60-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1476-61-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 4504 csrsll.exe 5012 csrsll.exe 1476 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/1488-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/800-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/800-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1488-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/800-11-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/4504-35-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4504-41-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1476-44-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1476-48-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1476-49-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1476-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1476-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1476-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4504-56-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/800-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/5012-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1476-61-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 1488 set thread context of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 4504 set thread context of 5012 4504 csrsll.exe csrsll.exe PID 4504 set thread context of 1476 4504 csrsll.exe csrsll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe Token: SeDebugPrivilege 5012 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exef924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.execsrsll.execsrsll.exepid process 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe 4504 csrsll.exe 5012 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exef924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.execmd.execsrsll.exedescription pid process target process PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 1488 wrote to memory of 800 1488 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe PID 800 wrote to memory of 1012 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 800 wrote to memory of 1012 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 800 wrote to memory of 1012 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe cmd.exe PID 1012 wrote to memory of 2740 1012 cmd.exe reg.exe PID 1012 wrote to memory of 2740 1012 cmd.exe reg.exe PID 1012 wrote to memory of 2740 1012 cmd.exe reg.exe PID 800 wrote to memory of 4504 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 800 wrote to memory of 4504 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 800 wrote to memory of 4504 800 f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 5012 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe PID 4504 wrote to memory of 1476 4504 csrsll.exe csrsll.exe
Processes
-
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:1488 -
C:\Users\Admin\AppData\Local\Temp\f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe"C:\Users\Admin\AppData\Local\Temp\f924aa58a22b7851a2c8f63e1b8dde04f6263661da655288f1a182463bcb9633.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:800 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SRDLD.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1012 -
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:2740
-
-
-
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:4504 -
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:5012
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1476
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
-
Filesize
90KB
MD5a84b2653a0c86b8b3b05a040665eb296
SHA11504da9e6942d2eeb801ad0f2842682ea5c8adae
SHA256d3ee1deef04ba58c6ecbd8e3e74bc39cb831a4ef6b010639ec6aa18c44fae950
SHA5123f5d8bc3d9e10b79ce79133cb87919f2d0b8f99f04541a645885a336480f4f347cf31f64df5ba7ff20aff6290f025b7a7304a9b7900688fd4b455b72df2226ba