Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
18/11/2022, 20:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
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Target
file.exe
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Size
2.0MB
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MD5
9c1e5ab6a9e05cd35b23f792e85f514a
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SHA1
35a564b694099db228ec184d22b9de3f6c2ff5b2
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SHA256
c78c055e91264d511ae62f01a1a5286cf2d16bc5678395709832c36a63b2eea1
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SHA512
a0ea75920e6f4cde791c29c49dbef72abf677e820cca06686e5e2b038ba4b7a30a8dbfb8204309e3b5d4147cbaa63d7b01aee319d150696634c005d0f7a43d91
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SSDEEP
49152:q28djPccqdjdZAXv+eWfXJXBP3s+xOHw3+/y4L++Rl0yHfRx7Pq2:r8d5qdnAfta5RfsCl+/Br1PD
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4324 is-IDNLC.tmp 2404 grsearcher83.exe -
Loads dropped DLL 1 IoCs
pid Process 4324 is-IDNLC.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 12 IoCs
description ioc Process File created C:\Program Files (x86)\grSearcher\is-FRQQK.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-V5P78.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-RSO74.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-PHVQQ.tmp is-IDNLC.tmp File opened for modification C:\Program Files (x86)\grSearcher\grsearcher83.exe is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\unins000.dat is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-MEEH5.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-SDK49.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-DTI64.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-VF9P9.tmp is-IDNLC.tmp File created C:\Program Files (x86)\grSearcher\is-ATFBT.tmp is-IDNLC.tmp File opened for modification C:\Program Files (x86)\grSearcher\unins000.dat is-IDNLC.tmp -
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 6 IoCs
description pid Process procid_target PID 2116 wrote to memory of 4324 2116 file.exe 83 PID 2116 wrote to memory of 4324 2116 file.exe 83 PID 2116 wrote to memory of 4324 2116 file.exe 83 PID 4324 wrote to memory of 2404 4324 is-IDNLC.tmp 84 PID 4324 wrote to memory of 2404 4324 is-IDNLC.tmp 84 PID 4324 wrote to memory of 2404 4324 is-IDNLC.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Users\Admin\AppData\Local\Temp\is-D32D0.tmp\is-IDNLC.tmp"C:\Users\Admin\AppData\Local\Temp\is-D32D0.tmp\is-IDNLC.tmp" /SL4 $80056 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1801059 547842⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Program Files (x86)\grSearcher\grsearcher83.exe"C:\Program Files (x86)\grSearcher\grsearcher83.exe"3⤵
- Executes dropped EXE
PID:2404
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.8MB
MD52901599849c63bb80880129edd38c3ed
SHA1c5acc4af1c891fc38b9e464891ef82e152f20bbe
SHA2569a7c43f5c3129a6e26cb469a748068a530fedad3bd763e8f6b9b41acd1e18857
SHA51255052b5e5fd3b8c6633722f889645f51fdd643f7e47474c57fed2ef3db8aeff26b08354b190170157f85e7648e042ae8dfc509777caa3d755dbb72907a6091e8
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Filesize
2.8MB
MD52901599849c63bb80880129edd38c3ed
SHA1c5acc4af1c891fc38b9e464891ef82e152f20bbe
SHA2569a7c43f5c3129a6e26cb469a748068a530fedad3bd763e8f6b9b41acd1e18857
SHA51255052b5e5fd3b8c6633722f889645f51fdd643f7e47474c57fed2ef3db8aeff26b08354b190170157f85e7648e042ae8dfc509777caa3d755dbb72907a6091e8
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
659KB
MD534a3efb47055787f7a4537fb08fb93ec
SHA17396195a1bc60f31bb90b5c8abf4b4ce95ec06f9
SHA256fe0505386751f6c7a49d4b3594cc99c8936a9906e49c595934e586f0b9a9e409
SHA512055b18c604aa583f0150f39e564438e15cd07dff308212a2c508978e2347224e2c7979f5066fb4f4e9073d5a76ee845d659214cd5f8669ce808e74d0078520ff
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Filesize
659KB
MD534a3efb47055787f7a4537fb08fb93ec
SHA17396195a1bc60f31bb90b5c8abf4b4ce95ec06f9
SHA256fe0505386751f6c7a49d4b3594cc99c8936a9906e49c595934e586f0b9a9e409
SHA512055b18c604aa583f0150f39e564438e15cd07dff308212a2c508978e2347224e2c7979f5066fb4f4e9073d5a76ee845d659214cd5f8669ce808e74d0078520ff