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Analysis
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max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
02/09/2023, 14:51
Static task
static1
Behavioral task
behavioral1
Sample
Grammarly Promotional Launcher.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Grammarly Promotional Launcher.exe
Resource
win10-20230831-en
Behavioral task
behavioral3
Sample
Grammarly Promotional Launcher.exe
Resource
win10v2004-20230831-en
General
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Target
Grammarly Promotional Launcher.exe
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Size
20.4MB
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MD5
9ed667ef1d116c0cb1051b8001b6ea0f
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SHA1
cbe4fdb8847ff9b5d0aa1e0a43bb3abd28f4a875
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SHA256
deba2be10d757679996d33d70d37b968088ba37e1d0f86d71beb8be38c34262f
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SHA512
4fc726f8f2ca7f024f5db1a660a3c9dff109014cc2f56097470b317950d05956c084f2e19fb9da3d14d589444c2bb0a7a370bce8b5dc049b5d3e774994bdd4e1
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SSDEEP
393216:onRZwqeWLCKhc+0Uz+JD8rY5Pobe7n/k8MoeTtqLiVc4GYbJQp:CN1hxX+QrY5PAe7/kHtsii4bbJG
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: Grammarly Promotional Launcher.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2320 Grammarly Promotional Launcher.exe 2320 Grammarly Promotional Launcher.exe 2320 Grammarly Promotional Launcher.exe 2320 Grammarly Promotional Launcher.exe 2320 Grammarly Promotional Launcher.exe 2320 Grammarly Promotional Launcher.exe 2320 Grammarly Promotional Launcher.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2320 Grammarly Promotional Launcher.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf