Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
01/05/2024, 19:10
Static task
static1
Behavioral task
behavioral1
Sample
18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe
Resource
win10v2004-20240419-en
General
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Target
18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe
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Size
24KB
-
MD5
1ba9b6ed456c1ce50cc5feb0d1dfbfeb
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SHA1
9123a8d9fb197f1a70c68a7d254518812ad3f4fb
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SHA256
18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16
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SHA512
0ef5b259ed13a6d498b87c69876ffc19ac1dba52ed66fca00d95aeffc5c406dbd474b472e76e9f1b464cc9c35cc0ccef68774a2c54ac69bf497c708d79924a3b
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SSDEEP
384:ErzPSOXRnvuxYrdyRnPR1aeXCYRKSxBKcilP2Y98h6gKvZ6BBslHIg6q43:ErzSOhnvuxNRn5VXfRLBmeMsT2Gx
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2356 rmass.exe -
Loads dropped DLL 1 IoCs
pid Process 1684 18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe -
resource yara_rule behavioral1/files/0x000d000000013309-1.dat upx behavioral1/memory/1684-2-0x0000000000020000-0x0000000000031000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rmass.exe 18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe File created C:\Windows\SysWOW64\rmass.exe 18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe"C:\Users\Admin\AppData\Local\Temp\18ff9f5d3a0f9355df8e556ef3e8f6cce3161dee7fb443a3a75140542685ba16.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
PID:1684 -
C:\Windows\SysWOW64\rmass.exe"C:\Windows\SysWOW64\rmass.exe"2⤵
- Executes dropped EXE
PID:2356
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
21KB
MD5ebb20a5baac56f625dab58c94049c1b6
SHA143ec7801d6dfb5db7b3f76bd2c45aafba5ff65bc
SHA2561b5b33d352c5cbe297ca4beb9fa2d6d5e7ef9091d321888219d009822bb2827b
SHA51242d5940e36ec5bd8c5b8a6903e97051b30e3ea2694821fa7f42e5e8d57930512070e5d63671c92f5d6c83a6eb1166a199424c9fdb46548b8e41a0ade601014f5