Analysis
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max time kernel
151s -
max time network
121s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 04:22
Static task
static1
Behavioral task
behavioral1
Sample
21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe
Resource
win10v20210408
General
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Target
21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe
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Size
33KB
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MD5
a2c18d9b7dcab7bca7c2f042166fe320
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SHA1
10cbbb6d3d176afa0b3466f7a818f6290df42103
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SHA256
21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c
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SHA512
34f0912a7d913f57b5b470d231f0b6c3c80199ddaf3af4dc3ab05668105c3cd5fcd8a28451babeb05672ec43cfe4dedbff9734daaae16e48f8cde2b9b3aae114
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
Processes:
szgfw.exepid process 1680 szgfw.exe -
Loads dropped DLL 2 IoCs
Processes:
21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exepid process 1052 21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe 1052 21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 4 IoCs
Processes:
21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exedescription pid process target process PID 1052 wrote to memory of 1680 1052 21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe szgfw.exe PID 1052 wrote to memory of 1680 1052 21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe szgfw.exe PID 1052 wrote to memory of 1680 1052 21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe szgfw.exe PID 1052 wrote to memory of 1680 1052 21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe szgfw.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe"C:\Users\Admin\AppData\Local\Temp\21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:1680
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
25f9ee192041b68d59c39898a0fc198d
SHA12e99e27dc0a34e486db235aac47666c578595da4
SHA256be036557eaa66afda781ae9d0f7311ff1ec3f39cf53ab9cac9faab70a81f3bbc
SHA512842574c324aac2fc7e1620b3ae7ac09e1180e614d1b6ff6c0947bb8725214d9c1553b0fcf6fc8357497feb6394160efaaef491307f7b9dc4ac54a451c0dbb67e
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MD5
25f9ee192041b68d59c39898a0fc198d
SHA12e99e27dc0a34e486db235aac47666c578595da4
SHA256be036557eaa66afda781ae9d0f7311ff1ec3f39cf53ab9cac9faab70a81f3bbc
SHA512842574c324aac2fc7e1620b3ae7ac09e1180e614d1b6ff6c0947bb8725214d9c1553b0fcf6fc8357497feb6394160efaaef491307f7b9dc4ac54a451c0dbb67e
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MD5
25f9ee192041b68d59c39898a0fc198d
SHA12e99e27dc0a34e486db235aac47666c578595da4
SHA256be036557eaa66afda781ae9d0f7311ff1ec3f39cf53ab9cac9faab70a81f3bbc
SHA512842574c324aac2fc7e1620b3ae7ac09e1180e614d1b6ff6c0947bb8725214d9c1553b0fcf6fc8357497feb6394160efaaef491307f7b9dc4ac54a451c0dbb67e
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MD5
25f9ee192041b68d59c39898a0fc198d
SHA12e99e27dc0a34e486db235aac47666c578595da4
SHA256be036557eaa66afda781ae9d0f7311ff1ec3f39cf53ab9cac9faab70a81f3bbc
SHA512842574c324aac2fc7e1620b3ae7ac09e1180e614d1b6ff6c0947bb8725214d9c1553b0fcf6fc8357497feb6394160efaaef491307f7b9dc4ac54a451c0dbb67e