Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23/05/2024, 01:30
Static task
static1
Behavioral task
behavioral1
Sample
6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe
Resource
win10v2004-20240226-en
General
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Target
6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe
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Size
67KB
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MD5
19d8870328727e29ec8469b12384a580
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SHA1
18a21fe542e35e5abe46bca99800e8752e7d094b
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SHA256
6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b
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SHA512
52647f68dedf7fb4120bcb59885848eed0b90d55cf2177195fd14c5ac4730a40ce9b9d9d21d842a855c0a6362e939d6f27c3aed7452400c399dda43694f15da7
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SSDEEP
768:Erzce4ewyX6RNHHVo0nDiZnLGcxeeFKHYGIDMkDT:E0h7ueHVJcycx4gT
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5028 rmass.exe -
resource yara_rule behavioral2/files/0x000800000002322b-4.dat upx behavioral2/memory/5028-5-0x0000000000400000-0x0000000000412000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rmass.exe 6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe File created C:\Windows\SysWOW64\rmass.exe 6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe"C:\Users\Admin\AppData\Local\Temp\6dcbfe38306233f61ef5470e657cf506da30ade8d13b7845078477764c80016b.exe"1⤵
- Drops file in System32 directory
PID:4048 -
C:\Windows\SysWOW64\rmass.exe"C:\Windows\SysWOW64\rmass.exe"2⤵
- Executes dropped EXE
PID:5028
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1344 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:2920
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
64KB
MD55493d70433604664c991616c86ee95d1
SHA14fdbedda2a921f64d5236075c5240804e954d862
SHA2565fc5513268a578bc8f2ca0df37994e83e86f6011fe4815091076405c46477743
SHA512234c7d82d2388ee0a0b10b245e9b9fb08012175b223d5b9ea6aeacb847119bfbf99c4bd61f1efeb547a913718cee31417e0ceb026697bb219702999f738678e8