Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
16-04-2024 12:02
Behavioral task
behavioral1
Sample
f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe
Resource
win7-20240319-en
General
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Target
f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe
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Size
1.4MB
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MD5
f374a3b56393fd2db15028815ec4acb9
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SHA1
872b0df83d18fc9f603599651b35b7ca325c63f3
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SHA256
493ce962377ece4f77635daa8991d3a8fc60f8631a523e60e370084daf4a3779
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SHA512
af70d70f69033942d9aef3ec3cb725a44e8485c0d2537964fe2ad12f0d148c8ef2715ba1297e381332bac94485f2e997e6c091805fee8e153d9b03e8401ef513
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SSDEEP
24576:A6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6Es:fY9UORVOM1jJHzaiape0hsABFRJch6LY
Malware Config
Extracted
remcos
2.5.0 Pro
GRACED
thankyoulord.ddns.net:5050
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-0S5XD9
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
wikipedia;solitaire;
Signatures
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/1088-9-0x0000000000A50000-0x0000000000A7C000-memory.dmp rezer0 -
Executes dropped EXE 1 IoCs
Processes:
test.exepid process 1088 test.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1068 cmd.exe -
Processes:
resource yara_rule behavioral1/memory/2176-0-0x0000000000400000-0x00000000006F1000-memory.dmp upx behavioral1/memory/2176-10-0x0000000000400000-0x00000000006F1000-memory.dmp upx behavioral1/memory/2176-33-0x0000000000400000-0x00000000006F1000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
test.exedescription pid process target process PID 1088 set thread context of 2696 1088 test.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
test.exepid process 1088 test.exe 1088 test.exe 1088 test.exe 1088 test.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
test.exedescription pid process Token: SeDebugPrivilege 1088 test.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.execmd.exetest.exedescription pid process target process PID 2176 wrote to memory of 1068 2176 f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe cmd.exe PID 2176 wrote to memory of 1068 2176 f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe cmd.exe PID 2176 wrote to memory of 1068 2176 f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe cmd.exe PID 2176 wrote to memory of 1068 2176 f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe cmd.exe PID 1068 wrote to memory of 1088 1068 cmd.exe test.exe PID 1068 wrote to memory of 1088 1068 cmd.exe test.exe PID 1068 wrote to memory of 1088 1068 cmd.exe test.exe PID 1068 wrote to memory of 1088 1068 cmd.exe test.exe PID 1088 wrote to memory of 2732 1088 test.exe schtasks.exe PID 1088 wrote to memory of 2732 1088 test.exe schtasks.exe PID 1088 wrote to memory of 2732 1088 test.exe schtasks.exe PID 1088 wrote to memory of 2732 1088 test.exe schtasks.exe PID 1088 wrote to memory of 2256 1088 test.exe vbc.exe PID 1088 wrote to memory of 2256 1088 test.exe vbc.exe PID 1088 wrote to memory of 2256 1088 test.exe vbc.exe PID 1088 wrote to memory of 2256 1088 test.exe vbc.exe PID 1088 wrote to memory of 2688 1088 test.exe vbc.exe PID 1088 wrote to memory of 2688 1088 test.exe vbc.exe PID 1088 wrote to memory of 2688 1088 test.exe vbc.exe PID 1088 wrote to memory of 2688 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe PID 1088 wrote to memory of 2696 1088 test.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f374a3b56393fd2db15028815ec4acb9_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vXAlJeWc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BCB.tmp"4⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"{path}"4⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"{path}"4⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"{path}"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp8BCB.tmpFilesize
1KB
MD53fde6fefe18e8cb5762facd498405307
SHA1d08275f80ed11c9c455749f0a9ad5a0c61952dc9
SHA25647fc69922297921e60c45ce9f7d336032285447ecdd88d38bf2cb43a736fb438
SHA5125b33bae881a5a3f6ccd61c116d032ef8f4d0740b9b9c2aa3b29548e7287c8000b56ba237b68ffd9a6c2fdbfa24dc2ef99098e890d55cd615291d79f662b71247
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\Users\Admin\AppData\Local\Temp\test.exeFilesize
330KB
MD5261aa73f93c90dcec0c36a51cb9b5dee
SHA1b0c41e06cd2ded81706820423db40bf8fea2c957
SHA256ae160b749914bd56aecbcf43d56a59bde2069a145682b2911fe50c6adabe1b54
SHA5127b90335b4a7db7b5056f6d60db642754038dc544bd2c1f82e68b1f8e339bf70227f0c08d157b4ca1004448fab7d109f0239196f242d0edeab978de9025a3c0ed
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memory/1088-32-0x0000000074040000-0x000000007472E000-memory.dmpFilesize
6.9MB
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memory/1088-5-0x0000000001140000-0x0000000001198000-memory.dmpFilesize
352KB
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memory/1088-6-0x0000000074040000-0x000000007472E000-memory.dmpFilesize
6.9MB
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memory/1088-7-0x0000000004D90000-0x0000000004DD0000-memory.dmpFilesize
256KB
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memory/1088-8-0x0000000000760000-0x0000000000768000-memory.dmpFilesize
32KB
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memory/1088-9-0x0000000000A50000-0x0000000000A7C000-memory.dmpFilesize
176KB
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memory/2176-10-0x0000000000400000-0x00000000006F1000-memory.dmpFilesize
2.9MB
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memory/2176-0-0x0000000000400000-0x00000000006F1000-memory.dmpFilesize
2.9MB
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memory/2176-33-0x0000000000400000-0x00000000006F1000-memory.dmpFilesize
2.9MB
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memory/2696-16-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-38-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2696-24-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-20-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-29-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-31-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-22-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-34-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-35-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-18-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-36-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-37-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-26-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-40-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-41-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-43-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-45-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-47-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-49-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-51-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-53-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-55-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-57-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2696-59-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB