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Analysis
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max time kernel
252s -
max time network
337s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 22:52
Static task
static1
Behavioral task
behavioral1
Sample
34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe
Resource
win10v2004-20221111-en
General
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Target
34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe
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Size
335KB
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MD5
43e57c26c4cb3fe4b530f2aa52ca847b
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SHA1
abffca46107bf45051aba25a905222aa11ed8814
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SHA256
34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063
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SHA512
a5628c400430b3b66e42feb6edcb9fbe814319d2dae6877c46d7c40e6c0bdeb664c0300987ef4b7ff58b52f2c349bb5db924aa9e9dbb64f24630dd831082d3e2
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SSDEEP
6144:1VkvFYM8ZNa9tbpo72PYNzuLunzPIInoM4tiDdPzERzrvPVza3:1VaYM8Kfq2GzuKzPIIoM4sdsvs3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1748 nbfqucqio.exe -
Deletes itself 1 IoCs
pid Process 1488 cmd.exe -
Loads dropped DLL 3 IoCs
pid Process 1488 cmd.exe 1488 cmd.exe 1748 nbfqucqio.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 688 taskkill.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1776 PING.EXE -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 688 taskkill.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe 1748 nbfqucqio.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 540 wrote to memory of 1488 540 34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe 28 PID 540 wrote to memory of 1488 540 34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe 28 PID 540 wrote to memory of 1488 540 34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe 28 PID 540 wrote to memory of 1488 540 34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe 28 PID 1488 wrote to memory of 688 1488 cmd.exe 30 PID 1488 wrote to memory of 688 1488 cmd.exe 30 PID 1488 wrote to memory of 688 1488 cmd.exe 30 PID 1488 wrote to memory of 688 1488 cmd.exe 30 PID 1488 wrote to memory of 1776 1488 cmd.exe 32 PID 1488 wrote to memory of 1776 1488 cmd.exe 32 PID 1488 wrote to memory of 1776 1488 cmd.exe 32 PID 1488 wrote to memory of 1776 1488 cmd.exe 32 PID 1488 wrote to memory of 1748 1488 cmd.exe 33 PID 1488 wrote to memory of 1748 1488 cmd.exe 33 PID 1488 wrote to memory of 1748 1488 cmd.exe 33 PID 1488 wrote to memory of 1748 1488 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe"C:\Users\Admin\AppData\Local\Temp\34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 540 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\34361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063.exe" & start C:\Users\Admin\AppData\Local\NBFQUC~1.EXE -f2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /pid 5403⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:688
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C:\Windows\SysWOW64\PING.EXEping -n 3 127.13⤵
- Runs ping.exe
PID:1776
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C:\Users\Admin\AppData\Local\nbfqucqio.exeC:\Users\Admin\AppData\Local\NBFQUC~1.EXE -f3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1748
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
335KB
MD543e57c26c4cb3fe4b530f2aa52ca847b
SHA1abffca46107bf45051aba25a905222aa11ed8814
SHA25634361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063
SHA512a5628c400430b3b66e42feb6edcb9fbe814319d2dae6877c46d7c40e6c0bdeb664c0300987ef4b7ff58b52f2c349bb5db924aa9e9dbb64f24630dd831082d3e2
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Filesize
335KB
MD543e57c26c4cb3fe4b530f2aa52ca847b
SHA1abffca46107bf45051aba25a905222aa11ed8814
SHA25634361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063
SHA512a5628c400430b3b66e42feb6edcb9fbe814319d2dae6877c46d7c40e6c0bdeb664c0300987ef4b7ff58b52f2c349bb5db924aa9e9dbb64f24630dd831082d3e2
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Filesize
335KB
MD543e57c26c4cb3fe4b530f2aa52ca847b
SHA1abffca46107bf45051aba25a905222aa11ed8814
SHA25634361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063
SHA512a5628c400430b3b66e42feb6edcb9fbe814319d2dae6877c46d7c40e6c0bdeb664c0300987ef4b7ff58b52f2c349bb5db924aa9e9dbb64f24630dd831082d3e2
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Filesize
335KB
MD543e57c26c4cb3fe4b530f2aa52ca847b
SHA1abffca46107bf45051aba25a905222aa11ed8814
SHA25634361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063
SHA512a5628c400430b3b66e42feb6edcb9fbe814319d2dae6877c46d7c40e6c0bdeb664c0300987ef4b7ff58b52f2c349bb5db924aa9e9dbb64f24630dd831082d3e2
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Filesize
335KB
MD543e57c26c4cb3fe4b530f2aa52ca847b
SHA1abffca46107bf45051aba25a905222aa11ed8814
SHA25634361cf80748be0bcb94979d53edffc310133ff0395961c2d275191f0b2e8063
SHA512a5628c400430b3b66e42feb6edcb9fbe814319d2dae6877c46d7c40e6c0bdeb664c0300987ef4b7ff58b52f2c349bb5db924aa9e9dbb64f24630dd831082d3e2