Analysis
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max time kernel
183s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 23:02
Static task
static1
Behavioral task
behavioral1
Sample
544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe
Resource
win10v2004-20220812-en
General
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Target
544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe
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Size
336KB
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MD5
41bdbf477b31e57c8feee1bd8479cdb0
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SHA1
e9e5b91971bdbbe68c6238ac0eaa529440cd944e
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SHA256
544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352
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SHA512
e2cd23e2a4b691513a05d827b3d7e88d1142ac4ec04403835d9715f25e61278dc61b04e46a79a0cdec6395fe4416bb961ddb81b7fe18722a0308b453d658f51b
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SSDEEP
6144:XqwXsTcNUXc8vtBgANFGBg6HOMFPZfQiQyWCGR8iyfUInjxxaf1Uri4:Xqwcoavt2AfORFGCzVciS+r
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2024 RunMgr.EXE -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\RunMgr.EXE 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1572 2024 WerFault.exe 27 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1916 wrote to memory of 2024 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 27 PID 1916 wrote to memory of 2024 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 27 PID 1916 wrote to memory of 2024 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 27 PID 1916 wrote to memory of 2024 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 27 PID 1916 wrote to memory of 1504 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 29 PID 1916 wrote to memory of 1504 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 29 PID 1916 wrote to memory of 1504 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 29 PID 1916 wrote to memory of 1504 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 29 PID 2024 wrote to memory of 1572 2024 RunMgr.EXE 28 PID 2024 wrote to memory of 1572 2024 RunMgr.EXE 28 PID 2024 wrote to memory of 1572 2024 RunMgr.EXE 28 PID 2024 wrote to memory of 1572 2024 RunMgr.EXE 28 PID 1916 wrote to memory of 1388 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 31 PID 1916 wrote to memory of 1388 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 31 PID 1916 wrote to memory of 1388 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 31 PID 1916 wrote to memory of 1388 1916 544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe"C:\Users\Admin\AppData\Local\Temp\544d18393465b23267db862542f8aa23f6f8a4dfc3c4dec4f86e96478b88f352.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\RunMgr.EXE"C:\Windows\RunMgr.EXE"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 363⤵
- Program crash
PID:1572
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C:\Windows\SysWOW64\cmd.execmd.exe /c del %SystemRoot%\Debug.exe2⤵PID:1504
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\544D18~1.EXE > nul2⤵PID:1388
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
268KB
MD5c17e648345690c4648a70adb87208388
SHA1a778992b560699f307e2af982a37be3a0a80005b
SHA256947b00ed4929668d80c203e898f68e9c19c153577831afc2d43fa1db5548a148
SHA512b18d835462b8309b8e418ff7f7e4c059a6e239fdd56c193542be6ceab5dcdb52196b9ca97d07be409ffa92ddd4073309466741222f7911a1f39094d90be48737