Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-10-2024 19:58
Behavioral task
behavioral1
Sample
b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe
Resource
win10v2004-20240802-en
General
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Target
b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe
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Size
256KB
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MD5
18489c055c3d8b29bee30f44b77d44fc
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SHA1
0d886928d23fe93ed6f48f5f1b109002b8ad02f2
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SHA256
b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345
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SHA512
af6fce5af569a7faf288a4d45dd263bf84f6af6e4fed9406ba65c2433ad1892bcd95ce8dda0914a3c7876a9e669bf0e29fb5ef634110267f7bdcffc7616f3601
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SSDEEP
3072:+5E4z97xNhc39hhQYyc1aUTBXO4H6/XmBTRvDPkDUKDRuASo8JE8ctoG7oyoPnIa:+Kit34avmZRvDcka87G7XoPnIoR
Malware Config
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Fatal Rat payload 1 IoCs
resource yara_rule behavioral1/memory/1792-80-0x0000000010000000-0x000000001002D000-memory.dmp fatalrat -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
pid Process 1716 mesvc.exe 1664 upssvc.exe 1712 spower.exe 1792 svchost.exe -
Loads dropped DLL 14 IoCs
pid Process 1208 Process not Found 1208 Process not Found 1716 mesvc.exe 1716 mesvc.exe 1716 mesvc.exe 1716 mesvc.exe 1716 mesvc.exe 1716 mesvc.exe 1716 mesvc.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe -
resource yara_rule behavioral1/files/0x000500000001961d-47.dat vmprotect behavioral1/memory/868-54-0x0000000003340000-0x000000000357B000-memory.dmp vmprotect behavioral1/memory/1712-61-0x000000013F3B0000-0x000000013F5EB000-memory.dmp vmprotect behavioral1/memory/1712-65-0x000000013F3B0000-0x000000013F5EB000-memory.dmp vmprotect behavioral1/memory/1712-70-0x000000013F3B0000-0x000000013F5EB000-memory.dmp vmprotect -
Drops file in Program Files directory 10 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\360\360Safe\safemon\360tray.exe upssvc.exe File opened for modification C:\Program Files (x86)\360\360sd\360sd.exe upssvc.exe File created C:\Program Files\Microvirt\MEmuHyperv\mesvc.exe b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\libcrypto-1_1-x64.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\MSVCP100.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\MSVCR100.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\libcurl.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\libssl-1_1-x64.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\MEmuDDU.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe File created C:\Program Files\Microvirt\MEmuHyperv\MEmuRT.dll b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1632 SCHTASKS.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1792 svchost.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 868 wrote to memory of 1712 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 34 PID 868 wrote to memory of 1712 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 34 PID 868 wrote to memory of 1712 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 34 PID 868 wrote to memory of 1712 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 34 PID 868 wrote to memory of 1664 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 35 PID 868 wrote to memory of 1664 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 35 PID 868 wrote to memory of 1664 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 35 PID 868 wrote to memory of 1664 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 35 PID 868 wrote to memory of 1792 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 38 PID 868 wrote to memory of 1792 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 38 PID 868 wrote to memory of 1792 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 38 PID 868 wrote to memory of 1792 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 38 PID 868 wrote to memory of 1632 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 39 PID 868 wrote to memory of 1632 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 39 PID 868 wrote to memory of 1632 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 39 PID 868 wrote to memory of 1632 868 b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe"C:\Users\Admin\AppData\Local\Temp\b42583ea1a538988331439c7903703f28686d97dbd900183be5c9f26022a9345.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Users\Admin\AppData\Local\Temp\mubx2tzqxkjhafr\spower.exeC:\Users\Admin\AppData\Local\Temp\mubx2tzqxkjhafr\spower.exe2⤵
- Executes dropped EXE
PID:1712
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C:\Users\Admin\AppData\Local\Temp\mubx2tzqxkjhafr\upssvc.exeC:\Users\Admin\AppData\Local\Temp\mubx2tzqxkjhafr\upssvc.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1664
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C:\ProgramData\NVIDIARV\svchost.exeC:\ProgramData\NVIDIARV\svchost.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1792
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C:\Windows\SysWOW64\SCHTASKS.exeSCHTASKS /Create /SC ONLOGON /TN WindowsUpdata /F /RL HIGHEST /TR C:\Users\Public\Picturesmubx2tzq\CCCef3Render.exe2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1632
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C:\Program Files\Microvirt\MEmuHyperv\mesvc.exe"C:\Program Files\Microvirt\MEmuHyperv\mesvc.exe" -Embedding1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
639KB
MD52b242983d5fc098515105268eb22f0b7
SHA16a660eae893f16b988b44ec943a8dacf808f467e
SHA2561679808a0a410e73d7807c1facfd0ce0ee1e6270b35d29dcdf0a8977c17418ac
SHA512905b01240f92124f71acd61a075887d89a83699681f585a246aa44b9d514829adec5ab827d720c7c7eccd8392698ee3f18fe9b2f7fcd81000cb0f40caa28ff06
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Filesize
162KB
MD5893f671257ee76b77e608949544ca60f
SHA14d7c88fa23ca0144ae71aa198119afbcfe46bc7a
SHA256298838ea343eb121093a2bf88b3c3ad310419ccaa028e143b0831bd8c06778a5
SHA5123dcaa01381ad884c080701b63dbde16b3544ceeedf0e5bd8da5dad0c1fcb83aa12abc97e5a75c535aa07040667a5843e2c59009516508bf340bee17eec1fec63
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Filesize
355KB
MD5ce98c3cbd7bfcca2755b35e77a2bceb2
SHA1c12c20bb69e7858682ab6bb21ca3971880efdc07
SHA2561ec46488b2db690f6f769c6cfa7e3021ee6f88096303f04be43f3f2150d8c946
SHA512dfc4f4b300cd2dc0d0f19b415da157b15ce666e1927266feb7a445ffb9199620bb7fc55746239f81fd3f79133c64c8d41822ccddc625288a33a6737a062faee5
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Filesize
3.8MB
MD556719cc92af72f56f46a5798b1430d9e
SHA1497456e1b225a541058c8d7f96f2a3ef082d147c
SHA256ca5e9919a5b3612a2faaab0f08f3e95db69e3d88d821a706c5d68d3f0d86d060
SHA5125ca3fd7d6f86c5969949e55669c315287084633ccd42aae45cef170bce4fb05071637aaf6a9fce973cdb32003fdf02e184c8dc5aa3c327a17d3889084e07637a
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Filesize
612KB
MD589acd78f8c6d92947b3fcc78c7493036
SHA13317bd26eda9a7a0d49dfcfe27673d96b2873c95
SHA256e7675926ff8f230e3ce88de65e47ab3fd6f8d617a93e062dd9ecc4226e9d16c0
SHA51208ddb16ab60ea0f531f7853dc6a66a7a2302516e1b54258f2884528a4304cb05111b073d15387702c359f00bd96156043cadddd2b230bfa8bd288b578a11225f
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Filesize
830KB
MD534b2d5ad1c7c600f9d24660928a03382
SHA1ab9621342ada12b355ea5fcd76b666193898c11b
SHA256d7d6ff911503e848ffc6c0ba43382cc2e1e00b367d55ffdb883c54b688c5c28e
SHA5120d86a396f81864c9ce5a57090fd45745f8c66a28f78fb469a6d62ce01c519f6a0c58d904afa99baef2f74ae4fe2308dc710c901d0394779837b82748679363fa
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Filesize
2.6MB
MD56def652fd7e5207c374fc51534bda953
SHA1ee23eab28dd67ce96e7799a31801580c824cde5f
SHA25680677a75588101ca6da2a22b74c02bd5b91aba2a62d1bce20d07370a9ddf0118
SHA512f3284532571bfb83a622b019040e4882866941c66a06a9c83da23a1a820b940c48ffedd1d109c799b64d6bd30775cdb9ea1067869f565116653988bd763552a8
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Filesize
365KB
MD575b9bbfcf9581252474a5d1daa6e6641
SHA10fb1cfa16bf68fb13ba9816c2354af358bded167
SHA256c78b0aa24630b35dfd3030626f873a89a39944ffa620b6afb42ae50eb1618f4b
SHA512ed527526fd6053425fcefdfa5174d7dfa3b3b3601f33f8019b1215c9f1b85d823910f5a02c9bdd296d70058a516f9d464f42e712903144315e17f4ce7ad17561
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Filesize
4.6MB
MD58c1eca3e2fe8f5fd1a0ce4b4a8cf4409
SHA18d45e044cbdcf645fe359864bc700b2568032687
SHA2566ef47689ea1309e43869ec59861a677fe4e40cf03eb89386fc7d32fc516e9671
SHA5124bf03b1453fa1f1bed14cb133c01c7b9b348f82da775bbbeaefc7867d348928c265b6b38623ced8b711138876365d63a669955920a5b5ae119975184297fe54f
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Filesize
3.4MB
MD5e2897a6b82e097c3231b5e44283553b9
SHA16c90af323e5cbd44f70e278eeb87e592c3bba9ae
SHA2568a397d307fb4831397c00c438a6f8f7cff7a4c4016f114fa2fbc5df043aad76b
SHA512c26db1c61f5ce90d877ac717ae9ecf4559625009a5d01520fbe36828a9a50610a5ca4491c5f80e65383e17737a6cc402dc0e0dab9fa6c23631b7e6234fa91582
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Filesize
1.1MB
MD53899c4408292d159acf217a75de5d4e1
SHA1ccb76f1cccb80768eb67e735e7b3ce52ad719059
SHA256c70929a39d570e660dac712f36ce3bd8f6911518380f77133ab3845cd1f068d5
SHA512d22b136abb775d7e51867b94ed98f43c503adad89c43912f3ff29e2e749181f70da9b1725716ce041bea1f88570b8932d9d65dd28d2de2d5059fcb4b172fc8bd