Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-10-2022 16:06
Static task
static1
Behavioral task
behavioral1
Sample
utdh1.dll
Resource
win7-20220812-en
General
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Target
utdh1.dll
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Size
760KB
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MD5
d94657449f8d8c165ef88fd93e463134
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SHA1
eb5cddacd6764098a20ce18a5e1e52f5e603e4ff
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SHA256
2502a3f8c9a6a8681f9222e93b14e077bf879e3009571c646ee94275bc994d01
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SHA512
659bc86dbd47d9f99c123db7c78d1bac68e4d592eed8f6d2d9ce5289cbf09bf893f0136a67e41e6dc59e1c826f19d34f8ffbaa5089c28592528ead595cca3ddb
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SSDEEP
12288:zCZAm0a9L7/7n/zUo2ThEQNvJZAHx137OyyyQTYzzCuatGfWE24rn2k2H824rn2y:wX9v/7/zYdNvnAR13pyyPa+n2F
Malware Config
Extracted
gozi
202206061
https://daydayvin.xyz
https://gigiman.xyz
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host_keep_time
2
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host_shift_time
1
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idle_time
1
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request_time
10
Signatures
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Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1156 wrote to memory of 1088 1156 regsvr32.exe 26 PID 1156 wrote to memory of 1088 1156 regsvr32.exe 26 PID 1156 wrote to memory of 1088 1156 regsvr32.exe 26 PID 1156 wrote to memory of 828 1156 regsvr32.exe 28 PID 1156 wrote to memory of 828 1156 regsvr32.exe 28 PID 1156 wrote to memory of 828 1156 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\utdh1.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Windows\system32\cmd.execmd /c "echo Commands" >> C:\Users\Admin\AppData\Local\Temp\EE28.tmp2⤵PID:1088
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C:\Windows\system32\cmd.execmd /c "dir" >> C:\Users\Admin\AppData\Local\Temp\EE28.tmp2⤵PID:828
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
11B
MD5a67f2061c697fd95f6b28d89b953a51f
SHA16730b864104f0840fcebf04383d2e3ef7c324a48
SHA256d4bdd82a900fea52cbd442ce8cae201982392d3533d765bfceb7682bc2d16a79
SHA512d9cc7c1593967dbcaf358bc9d394426d97baa7bb6ddeed1767b638c85aa814276eaa3609588b720cab3b2a0b3e36d1d3833dab3e75c9c1a92b8315db61a64cbe
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Filesize
3KB
MD5c01f2098fab503d57ef742c6ca6680d8
SHA1aeb71dd4ced18b7b45015f5b1ae24c1916ba5810
SHA25610f8586621df0419894a8d8c33118d08566eb21e831a6f7e1db683ea5e020a81
SHA512ab4735f98a7e937f95dae4f9da09bc9b8756949fa5b274290a8947b720d82f540fd105abdea14fefdd3671487df34fe117ad42dcd27b1d69ab0d4d6ca48d8f9d