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Analysis
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max time kernel
120s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
19/08/2024, 12:19
Static task
static1
Behavioral task
behavioral1
Sample
d89e65b289451c13865b1a3a574883e0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d89e65b289451c13865b1a3a574883e0N.exe
Resource
win10v2004-20240802-en
General
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Target
d89e65b289451c13865b1a3a574883e0N.exe
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Size
43KB
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MD5
d89e65b289451c13865b1a3a574883e0
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SHA1
cd0f2d2cdbbf2e3553e692892551a2fec00078b2
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SHA256
9ff05cd5a5499a86eb0cc463b23c4d0942ab73a9b27eb340f9485919e34159be
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SHA512
d6387a7d528cf237a97a0593334129981cb0e3c2be7cf392f699a8254f1478c3162c4bebb459219a7a61b5aa7a3659e9824463f783d6099900662d36ccfe5c67
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhj:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYD
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3044 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3044 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" d89e65b289451c13865b1a3a574883e0N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe d89e65b289451c13865b1a3a574883e0N.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d89e65b289451c13865b1a3a574883e0N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2468 wrote to memory of 3044 2468 d89e65b289451c13865b1a3a574883e0N.exe 29 PID 2468 wrote to memory of 3044 2468 d89e65b289451c13865b1a3a574883e0N.exe 29 PID 2468 wrote to memory of 3044 2468 d89e65b289451c13865b1a3a574883e0N.exe 29 PID 2468 wrote to memory of 3044 2468 d89e65b289451c13865b1a3a574883e0N.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\d89e65b289451c13865b1a3a574883e0N.exe"C:\Users\Admin\AppData\Local\Temp\d89e65b289451c13865b1a3a574883e0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:3044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD565b40a80ceab368eb29b5ecfeb6e19f2
SHA14004276010f99d8b1a2263dfd832953615220c31
SHA256bfefa4927ea96f3ba63a35b5c5a8fdb4458d162d0a9ee20b82ef1ac89def40a3
SHA51291a27c92ba3b9b78bc54f89dfbc4e84689c5830a7c510a76f07d0516f238e903b7397acf2e6753cd2d7bd7af089237445397e54d020883b8177a7a7100304e84