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Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 14:01
Static task
static1
Behavioral task
behavioral1
Sample
9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe
Resource
win10v2004-20220812-en
General
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Target
9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe
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Size
336KB
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MD5
628ec815037575517717a42056b30790
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SHA1
cd2c8eb44deda4088d0c377dc8bbce5d2940db6c
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SHA256
9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607
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SHA512
3f0c5c1345ac63d1bca30dbe34629bddc617f59234190da9208e88f745bdceb11b4ac1113ac063adfe7624d7a52d4735a0f2e3ed25a06429d75a22459da11f95
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SSDEEP
1536:ja2UssW/RGl5657uYQRedx+g/8+LNKI4pTk8JnWwTYR2Y+ycQTc4KZ06tPgK/sa5:j+lW+GOskh+lIL35FgVrhi9mOr
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4840 835.exe 2356 271.exe 3596 wnetwatcher.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1844 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 271.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\898dc05219f75f5eecc8fafc0d47e0c4.exe wnetwatcher.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\898dc05219f75f5eecc8fafc0d47e0c4.exe wnetwatcher.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\898dc05219f75f5eecc8fafc0d47e0c4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\wnetwatcher.exe\" .." wnetwatcher.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\898dc05219f75f5eecc8fafc0d47e0c4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\wnetwatcher.exe\" .." wnetwatcher.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe 3596 wnetwatcher.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3596 wnetwatcher.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3716 wrote to memory of 4840 3716 9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe 82 PID 3716 wrote to memory of 4840 3716 9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe 82 PID 4840 wrote to memory of 2356 4840 835.exe 83 PID 4840 wrote to memory of 2356 4840 835.exe 83 PID 4840 wrote to memory of 2356 4840 835.exe 83 PID 2356 wrote to memory of 3596 2356 271.exe 84 PID 2356 wrote to memory of 3596 2356 271.exe 84 PID 2356 wrote to memory of 3596 2356 271.exe 84 PID 3596 wrote to memory of 1844 3596 wnetwatcher.exe 85 PID 3596 wrote to memory of 1844 3596 wnetwatcher.exe 85 PID 3596 wrote to memory of 1844 3596 wnetwatcher.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe"C:\Users\Admin\AppData\Local\Temp\9830f63ebad1f1317456e9eaa7df86bf4da592da962c9e20d27968b6cfd85607.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Users\Admin\AppData\Local\Temp\835.exeC:\Users\Admin\AppData\Local\Temp\835.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Users\Admin\AppData\Local\Temp\271.exeC:\Users\Admin\AppData\Local\Temp\271.exe3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\wnetwatcher.exe"C:\Users\Admin\AppData\Local\Temp\wnetwatcher.exe"4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\wnetwatcher.exe" "wnetwatcher.exe" ENABLE5⤵
- Modifies Windows Firewall
PID:1844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
43KB
MD57003c15102cfaba7e95c6bd3f24cc6b4
SHA144a261ac65196e588392f116968ec7e7fd4988ed
SHA256c739b2cbbefa3a8715cd3ec84374dbb03b334dbfe3698db4023a33fc2b8f6fd5
SHA5128f8321de8f97c6af710f3e443fc8083f14b921490f2d38cb3fd267a0ebf8eeaaaa4aa36976d54e55f8e2f60b40b9188b31252cf360dfdbcbadf85c17cad5a089
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Filesize
43KB
MD57003c15102cfaba7e95c6bd3f24cc6b4
SHA144a261ac65196e588392f116968ec7e7fd4988ed
SHA256c739b2cbbefa3a8715cd3ec84374dbb03b334dbfe3698db4023a33fc2b8f6fd5
SHA5128f8321de8f97c6af710f3e443fc8083f14b921490f2d38cb3fd267a0ebf8eeaaaa4aa36976d54e55f8e2f60b40b9188b31252cf360dfdbcbadf85c17cad5a089
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Filesize
123KB
MD52d7b4ce5919ea6bfe7de874b94f02ce0
SHA1db0211cb99a168f93eacda5eacdcaa63908941a0
SHA256d31560e74fb91eab70da99c7566045184e30d5965bd3ecf993564ca93a72fa3a
SHA51251b2720b4b047fbe5727bfce5183dfd33474fc86ae20bd6e785ff15791cdf0009a4297d2bb55b823820dc9bbccb5d17560b1dd4461d2f38c03ae2bcba0c0fa05
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Filesize
123KB
MD52d7b4ce5919ea6bfe7de874b94f02ce0
SHA1db0211cb99a168f93eacda5eacdcaa63908941a0
SHA256d31560e74fb91eab70da99c7566045184e30d5965bd3ecf993564ca93a72fa3a
SHA51251b2720b4b047fbe5727bfce5183dfd33474fc86ae20bd6e785ff15791cdf0009a4297d2bb55b823820dc9bbccb5d17560b1dd4461d2f38c03ae2bcba0c0fa05
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Filesize
43KB
MD57003c15102cfaba7e95c6bd3f24cc6b4
SHA144a261ac65196e588392f116968ec7e7fd4988ed
SHA256c739b2cbbefa3a8715cd3ec84374dbb03b334dbfe3698db4023a33fc2b8f6fd5
SHA5128f8321de8f97c6af710f3e443fc8083f14b921490f2d38cb3fd267a0ebf8eeaaaa4aa36976d54e55f8e2f60b40b9188b31252cf360dfdbcbadf85c17cad5a089
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Filesize
43KB
MD57003c15102cfaba7e95c6bd3f24cc6b4
SHA144a261ac65196e588392f116968ec7e7fd4988ed
SHA256c739b2cbbefa3a8715cd3ec84374dbb03b334dbfe3698db4023a33fc2b8f6fd5
SHA5128f8321de8f97c6af710f3e443fc8083f14b921490f2d38cb3fd267a0ebf8eeaaaa4aa36976d54e55f8e2f60b40b9188b31252cf360dfdbcbadf85c17cad5a089