Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
21-11-2022 12:53
Static task
static1
Behavioral task
behavioral1
Sample
3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe
Resource
win10v2004-20220901-en
General
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Target
3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe
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Size
699KB
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MD5
353826c18eb0877b03a79cf297f0f9e0
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SHA1
d3e36faea75562be1386882981d6d6fa91eaedf4
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SHA256
3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d
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SHA512
ab10c94bfc5f05cc814fe81269e299e3962a48b6c847fe838a0ef78bfbe3c89a3ebd2e9e59897eebdce1e00a314bb4c40278e096ecc87c5d21c4ed4e7405d3ed
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SSDEEP
12288:9nvpwWcHkxbDQx/nxay4/my5IxfX7gPZZol7riTUtnOy4EMrjEBcx:9nv+WWibK/xHRx/7Uol7eItnlTMrj
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1884-55-0x0000000001D80000-0x0000000001ECA000-memory.dmp upx behavioral1/memory/1884-58-0x0000000001D80000-0x0000000001ECA000-memory.dmp upx behavioral1/memory/1884-59-0x0000000001D80000-0x0000000001ECA000-memory.dmp upx behavioral1/memory/1884-62-0x0000000001D80000-0x0000000001ECA000-memory.dmp upx behavioral1/memory/1980-65-0x0000000001C90000-0x0000000001DDA000-memory.dmp upx behavioral1/memory/1980-69-0x0000000001C90000-0x0000000001DDA000-memory.dmp upx behavioral1/memory/1980-68-0x0000000001C90000-0x0000000001DDA000-memory.dmp upx behavioral1/memory/1980-70-0x0000000001C90000-0x0000000001DDA000-memory.dmp upx behavioral1/memory/1884-75-0x0000000001D80000-0x0000000001ECA000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~2\is7086454.log 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1884 wrote to memory of 1980 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe 27 PID 1884 wrote to memory of 1980 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe 27 PID 1884 wrote to memory of 1980 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe 27 PID 1884 wrote to memory of 1980 1884 3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe"C:\Users\Admin\AppData\Local\Temp\3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe"1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Temp\3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe"C:\Users\Admin\AppData\Local\Temp\3d77a9071d038012c0c3685d9a10dfab365094b41efde6046167610d1933824d.exe" /_ShowProgress2⤵PID:1980
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