Analysis
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max time kernel
0s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2023 10:35
Static task
static1
Behavioral task
behavioral1
Sample
Cyber Hunter Install.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Cyber Hunter Install.exe
Resource
win10v2004-20231215-en
General
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Target
Cyber Hunter Install.exe
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Size
4.9MB
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MD5
f836f277cbcadfecfc988bf350d410c3
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SHA1
f9a66d7876a6eb09763e0705beaa999d99f53754
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SHA256
d38bc9871b0eba08a6b77314a6d3fdc94531315c2659ea60d8d23b4450ed3838
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SHA512
ac284e90bf72d564ceaeda28383efc8793f286002d2d7ae37f08f05a9170faa5f77a8e741cb60fabb1f48f9abc769070fc3620fa9c5d7dfce60029b6d58c8280
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SSDEEP
12288:D6BeSpuojQEv1E729k4nRQ/ceb5WdWOeoP3/F+2nGr6A5zuzhGlC5LcB+cVgeMtb:E0yLW2mudcocIE
Malware Config
Extracted
marsstealer
Default
moscow-post.com/xaoniu/server/waungowangued/g.php
Signatures
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Mars Stealer
An infostealer written in C++ based on other infostealers.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Cyber Hunter Install.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation Cyber Hunter Install.exe -
Executes dropped EXE 1 IoCs
Processes:
TC.exepid process 2552 TC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1188 2552 WerFault.exe TC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Cyber Hunter Install.exedescription pid process target process PID 3124 wrote to memory of 2552 3124 Cyber Hunter Install.exe TC.exe PID 3124 wrote to memory of 2552 3124 Cyber Hunter Install.exe TC.exe PID 3124 wrote to memory of 2552 3124 Cyber Hunter Install.exe TC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe"C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Adobe\TC.exe"C:\Users\Admin\AppData\Roaming\Adobe\TC.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 14043⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2552 -ip 25521⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Adobe\TC.exeFilesize
159KB
MD51f51c4bdd8bd5b81fe2638ffa85fd5d2
SHA143146ce6867ba788dc50ddfe1d9ec4d89aafd859
SHA256e7dcfe91d1f3c1b1d33b8f7eae174999b04faec7825474baf846aaa408d97c38
SHA5127f0d34c1ccf39cb0c5600507b2b00185e097a6423cc622b66659cd46aef6bb55b6a5806971a816eab3f990b8099cdc9a606cacab49a1f6bd002fcf9a2964ca98
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C:\Users\Admin\AppData\Roaming\Adobe\TC.exeFilesize
149KB
MD548b39c8f366a121dc87eae6a0bbf10b6
SHA1974dc51b1b294fe51356720e7361c05ba27bbe0c
SHA256708b49de584829cd69f01207d4dd138118fc9e01aaa3664206116a938026aaf7
SHA512e4e97fc812dad021547a0b9fbf15ba819208d3fd537af26040be0058c94b53c16486b7c376c4cc1f24cbddbe548dd0586833f24e770b6a47c8eefb16f1015b3f
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memory/2552-11-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2552-14-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/3124-0-0x0000000000E70000-0x0000000000F02000-memory.dmpFilesize
584KB
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memory/3124-1-0x00000000747E0000-0x0000000074F90000-memory.dmpFilesize
7.7MB
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memory/3124-12-0x00000000747E0000-0x0000000074F90000-memory.dmpFilesize
7.7MB