Analysis
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max time kernel
127s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
17-07-2023 14:12
Static task
static1
Behavioral task
behavioral1
Sample
ac7886cc666943c2c5e44e3b87c60c7e0540454ba0b51c4bf2b7ea54c0fd083c.js
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
ac7886cc666943c2c5e44e3b87c60c7e0540454ba0b51c4bf2b7ea54c0fd083c.js
Resource
win10-20230703-en
Behavioral task
behavioral3
Sample
ac7886cc666943c2c5e44e3b87c60c7e0540454ba0b51c4bf2b7ea54c0fd083c.js
Resource
win10v2004-20230703-en
General
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Target
ac7886cc666943c2c5e44e3b87c60c7e0540454ba0b51c4bf2b7ea54c0fd083c.js
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Size
763KB
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MD5
9f008ed4394230c96e4d1ae70f01b637
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SHA1
dd1108e83b22d21ba4b703472caaa162b1174928
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SHA256
ac7886cc666943c2c5e44e3b87c60c7e0540454ba0b51c4bf2b7ea54c0fd083c
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SHA512
b42d2a85209b8480d4a9d752d7622b5d2b4cbedfc5d8051a844583d1f1cbec3a763d556cd7626c446db84300a1b5ec041b105ffa52642d62a0d1de0e1e3eef6c
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SSDEEP
12288:VVYBuZ0kC6mDEKZEA7S8m0N219zZH2LuLZEiUroOpqHCZFMHCcyZK5D2dBHEMBO4:VVYoukC6mDDZEA7SP9dWLuLZNOpqiZyk
Malware Config
Signatures
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Blocklisted process makes network request 9 IoCs
flow pid Process 2 4012 wscript.exe 3 4012 wscript.exe 6 4012 wscript.exe 8 4012 wscript.exe 10 4012 wscript.exe 15 4012 wscript.exe 16 4012 wscript.exe 19 4012 wscript.exe 21 4012 wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4708 powershell.exe 4708 powershell.exe 4708 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4708 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4012 wrote to memory of 4708 4012 wscript.exe 70 PID 4012 wrote to memory of 4708 4012 wscript.exe 70 PID 4708 wrote to memory of 824 4708 powershell.exe 72 PID 4708 wrote to memory of 824 4708 powershell.exe 72
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ac7886cc666943c2c5e44e3b87c60c7e0540454ba0b51c4bf2b7ea54c0fd083c.js1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" rundll32 C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\881777.dat,vcab /k zefirka7482⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\881777.dat,vcab /k zefirka7483⤵PID:824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
15KB
MD5e68f073d37edabf45079251f4405a668
SHA1e0f21d5e3988eca5af40d2b3956e429c81d8f676
SHA256dad087fe4005d639050a06b1e23a8b11c09bdf2acb812070588a1df940489d6a
SHA5123acd98af2a3b9de9d3c61521cadeee52d03023f405fdfa2cd562de8e0329e461dc3201830ef487c581eccef0fa09d0d5576cd22a4ce419a509a648fce7310dc9