Analysis
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max time kernel
151s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 22:36
Static task
static1
Behavioral task
behavioral1
Sample
791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe
Resource
win10v2004-20221111-en
General
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Target
791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe
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Size
163KB
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MD5
30dfe01b30835ef02bc7ed0c9d202470
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SHA1
21a7fc89ee9f67e7a2a495463d80091a7e70bec2
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SHA256
791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e
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SHA512
1ff3aab19bf270bb3786267e725700f9dd48b04fa5beb8fd2f3f1b795b82ed0582797499b4f0347c2de6d85017909e5bcadb0e3dc3ef9f0eb5c0c30aabbfbc8c
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SSDEEP
3072:CNvuPYzgSsgXHvbLXajMkfFkj+A57zBvg/w2xWE59b:mCEHHX6Mktw+I7zB6wY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2700 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2386679933-1492765628-3466841596-1000\\$df4757a38c4e42bd395c84c59df2e649\\n." 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe -
Deletes itself 1 IoCs
pid Process 4504 cmd.exe -
Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 66.85.130.234 Destination IP 194.165.17.3 Destination IP 194.165.17.3 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 194.165.17.3 Destination IP 66.85.130.234 Destination IP 66.85.130.234 Destination IP 194.165.17.3 Destination IP 194.165.17.3 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4088 set thread context of 4504 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 84 -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2386679933-1492765628-3466841596-1000\\$df4757a38c4e42bd395c84c59df2e649\\n." 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\clsid 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2700 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 15 IoCs
description pid Process Token: SeDebugPrivilege 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Token: SeDebugPrivilege 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Token: SeDebugPrivilege 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe Token: SeShutdownPrivilege 2700 Explorer.EXE Token: SeCreatePagefilePrivilege 2700 Explorer.EXE Token: SeShutdownPrivilege 2700 Explorer.EXE Token: SeCreatePagefilePrivilege 2700 Explorer.EXE Token: SeShutdownPrivilege 2700 Explorer.EXE Token: SeCreatePagefilePrivilege 2700 Explorer.EXE Token: SeShutdownPrivilege 2700 Explorer.EXE Token: SeCreatePagefilePrivilege 2700 Explorer.EXE Token: SeShutdownPrivilege 2700 Explorer.EXE Token: SeCreatePagefilePrivilege 2700 Explorer.EXE Token: SeShutdownPrivilege 2700 Explorer.EXE Token: SeCreatePagefilePrivilege 2700 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4088 wrote to memory of 2700 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 45 PID 4088 wrote to memory of 2700 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 45 PID 4088 wrote to memory of 4504 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 84 PID 4088 wrote to memory of 4504 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 84 PID 4088 wrote to memory of 4504 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 84 PID 4088 wrote to memory of 4504 4088 791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe 84
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2700 -
C:\Users\Admin\AppData\Local\Temp\791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe"C:\Users\Admin\AppData\Local\Temp\791a8293a1721b9ff1bb3cce59b9f7a755d2229f538697a48dac74937f17dd3e.exe"2⤵
- Registers COM server for autorun
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
PID:4504
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
25KB
MD59e0cd37b6d0809cf7d5fa5b521538d0d
SHA1411ffdbe6c151dbd417bc59fa9dfec22b0adc9f2
SHA25655d9748f0556576a8d522cf4b8dcfc9717436adcc487d49b3320770432960db2
SHA512b511ee744dbe6cf0f54cb840d3786e89161115d0038425dde86d57752f76cae7a05f020120b43dc1444bd914c8c1690049e456635cc794fbf90e26794587dfc5
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Filesize
25KB
MD59e0cd37b6d0809cf7d5fa5b521538d0d
SHA1411ffdbe6c151dbd417bc59fa9dfec22b0adc9f2
SHA25655d9748f0556576a8d522cf4b8dcfc9717436adcc487d49b3320770432960db2
SHA512b511ee744dbe6cf0f54cb840d3786e89161115d0038425dde86d57752f76cae7a05f020120b43dc1444bd914c8c1690049e456635cc794fbf90e26794587dfc5