Analysis
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max time kernel
153s -
max time network
130s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
19-02-2022 18:48
Static task
static1
Behavioral task
behavioral1
Sample
f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe
Resource
win10v2004-en-20220113
General
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Target
f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe
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Size
324KB
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MD5
df9bd590b6f7aa14217515ee7c75ec0e
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SHA1
4a452704f4ecbecd7f12e918c7f088292fc88829
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SHA256
f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386
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SHA512
6ce1b7bbeee4d87a9292f8465405f9ed698d0eab0a2f51c148da71528f84e02375d8789aa7179e0f0726435f22ad9daeb8d6bf0fca1b8d0f86f5a84f9ad09e32
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 320 szgfw.exe -
Loads dropped DLL 2 IoCs
Processes:
f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exepid process 1220 f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe 1220 f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.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:
f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exedescription pid process target process PID 1220 wrote to memory of 320 1220 f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe szgfw.exe PID 1220 wrote to memory of 320 1220 f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe szgfw.exe PID 1220 wrote to memory of 320 1220 f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe szgfw.exe PID 1220 wrote to memory of 320 1220 f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe szgfw.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe"C:\Users\Admin\AppData\Local\Temp\f1b853003b084bf51e21813b5782176e1d94e8177887993d6c2c3dfb04fbb386.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
3daf890b02a5deea5ac897f3aca2dddf
SHA1a148d1417524be9d76d1222691b051826ed7c8e5
SHA256b276f4b4aeceeba0588113f9460335b8d31c8a954a53c572b22a810399e22e15
SHA5123a0bea504637f026a6c9f74554f650c04496349a154ca11a30f45159982950dbf9f00d4f4dda24279d618d5b41cc1954a247a1077990b987720bf7e3639bd9f1
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C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
3daf890b02a5deea5ac897f3aca2dddf
SHA1a148d1417524be9d76d1222691b051826ed7c8e5
SHA256b276f4b4aeceeba0588113f9460335b8d31c8a954a53c572b22a810399e22e15
SHA5123a0bea504637f026a6c9f74554f650c04496349a154ca11a30f45159982950dbf9f00d4f4dda24279d618d5b41cc1954a247a1077990b987720bf7e3639bd9f1
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\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
3daf890b02a5deea5ac897f3aca2dddf
SHA1a148d1417524be9d76d1222691b051826ed7c8e5
SHA256b276f4b4aeceeba0588113f9460335b8d31c8a954a53c572b22a810399e22e15
SHA5123a0bea504637f026a6c9f74554f650c04496349a154ca11a30f45159982950dbf9f00d4f4dda24279d618d5b41cc1954a247a1077990b987720bf7e3639bd9f1
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\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
3daf890b02a5deea5ac897f3aca2dddf
SHA1a148d1417524be9d76d1222691b051826ed7c8e5
SHA256b276f4b4aeceeba0588113f9460335b8d31c8a954a53c572b22a810399e22e15
SHA5123a0bea504637f026a6c9f74554f650c04496349a154ca11a30f45159982950dbf9f00d4f4dda24279d618d5b41cc1954a247a1077990b987720bf7e3639bd9f1
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memory/320-60-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/1220-54-0x0000000076071000-0x0000000076073000-memory.dmpFilesize
8KB