Analysis
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max time kernel
145s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
17-10-2024 17:21
Static task
static1
Behavioral task
behavioral1
Sample
dfb56dd84ad084bc95ee46c5a929e9e7.exe
Resource
win7-20241010-en
General
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Target
dfb56dd84ad084bc95ee46c5a929e9e7.exe
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Size
5.8MB
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MD5
dfb56dd84ad084bc95ee46c5a929e9e7
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SHA1
186f6b6b388ee03bf6fbdb14dc9344ae44481e0a
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SHA256
5651d52584addf82b565cb5370982ebb42d02ea40a93a9e511092fb582005df4
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SHA512
786644a3d06b9c52f538d8e08544a81f95de21d83b45a3a8a04d73fe581063260e2d6214b1a295c2db079c6cde8fba002e5b318705a84477c046bf8634b4e24b
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SSDEEP
49152:1rRLdd8yBJKgiqsIU6wARbqbM2yw0uvwcQMhwWjTjQA9pZx2m3vfI4chxGeO23nT:1vJjmrkMVyw0eNhwh
Malware Config
Signatures
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
Processes:
resource yara_rule behavioral1/memory/2372-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp family_cryptbot_v3 -
Executes dropped EXE 2 IoCs
Processes:
service123.exeservice123.exepid Process 596 service123.exe 1792 service123.exe -
Loads dropped DLL 4 IoCs
Processes:
dfb56dd84ad084bc95ee46c5a929e9e7.exeservice123.exeservice123.exepid Process 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 596 service123.exe 1792 service123.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
dfb56dd84ad084bc95ee46c5a929e9e7.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfb56dd84ad084bc95ee46c5a929e9e7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
dfb56dd84ad084bc95ee46c5a929e9e7.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dfb56dd84ad084bc95ee46c5a929e9e7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dfb56dd84ad084bc95ee46c5a929e9e7.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 12 IoCs
Processes:
dfb56dd84ad084bc95ee46c5a929e9e7.exetaskeng.exedescription pid Process procid_target PID 2372 wrote to memory of 596 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 31 PID 2372 wrote to memory of 596 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 31 PID 2372 wrote to memory of 596 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 31 PID 2372 wrote to memory of 596 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 31 PID 2372 wrote to memory of 600 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 32 PID 2372 wrote to memory of 600 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 32 PID 2372 wrote to memory of 600 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 32 PID 2372 wrote to memory of 600 2372 dfb56dd84ad084bc95ee46c5a929e9e7.exe 32 PID 1268 wrote to memory of 1792 1268 taskeng.exe 35 PID 1268 wrote to memory of 1792 1268 taskeng.exe 35 PID 1268 wrote to memory of 1792 1268 taskeng.exe 35 PID 1268 wrote to memory of 1792 1268 taskeng.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\dfb56dd84ad084bc95ee46c5a929e9e7.exe"C:\Users\Admin\AppData\Local\Temp\dfb56dd84ad084bc95ee46c5a929e9e7.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:596
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:600
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C:\Windows\system32\taskeng.exetaskeng.exe {7AF4603C-4905-463A-9E5C-C6A588A9F725} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1792
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