Resubmissions
31-10-2022 13:00
221031-p8sa3sahh7 831-10-2022 12:40
221031-pv9yzaahf9 827-09-2022 19:25
220927-x49nkafddn 10Analysis
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max time kernel
112s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
31-10-2022 12:40
Static task
static1
Behavioral task
behavioral1
Sample
Skype-8.88.0.401.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Skype-8.88.0.401.exe
Resource
win10v2004-20220812-en
General
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Target
Skype-8.88.0.401.exe
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Size
84.6MB
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MD5
a354d5d832f5a63c996be3ba24f3793c
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SHA1
0eeabbd3654bcb95615ede909eca7f1d8cb1465e
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SHA256
bd4ed965fbab660df571953482137e91a5af1a23c8a471b583d87e65266f64b2
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SHA512
f745d04cae393227b344c4fe4ba1d9bdc36058527c1621fd38d19ccc6bdeb15dd4251e66e6db9a88ec41dd59ddf3de357920e58980ca089119416d92c9fc90fc
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SSDEEP
1572864:KuEsMZ2eMCgMHNRZzU9P9X6TalSU3OTW+CnamF+U4wYVcnywmh0yyHXFK9auqj:KeM0MNQ6Ty3a3CT+amdwq0yyHXFoqj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4908 Skype-8.88.0.401.tmp -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1376 wrote to memory of 4908 1376 Skype-8.88.0.401.exe 79 PID 1376 wrote to memory of 4908 1376 Skype-8.88.0.401.exe 79 PID 1376 wrote to memory of 4908 1376 Skype-8.88.0.401.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\Skype-8.88.0.401.exe"C:\Users\Admin\AppData\Local\Temp\Skype-8.88.0.401.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Users\Admin\AppData\Local\Temp\is-1FNRO.tmp\Skype-8.88.0.401.tmp"C:\Users\Admin\AppData\Local\Temp\is-1FNRO.tmp\Skype-8.88.0.401.tmp" /SL5="$D0048,88056815,404480,C:\Users\Admin\AppData\Local\Temp\Skype-8.88.0.401.exe"2⤵
- Executes dropped EXE
PID:4908
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.4MB
MD542d7f6491cb9a07c4e25cac42a3b395b
SHA175b5c00ab9277bbe578502bfbef743e7c04564c1
SHA256f58a9f68802fbc1cacdb07cc357136fb217ad47897355dac962a1e239fe9591d
SHA512f9df478b4d2076a1ea2b09f711afb7425d0b9ea57c06d90749ca20ec9c4c110720061b62d9fff047d69e7214deb239673be3b33df77742bc64fbfce2014f3750