Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
28-08-2024 20:15
Static task
static1
Behavioral task
behavioral1
Sample
290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
Resource
win10v2004-20240802-en
General
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Target
290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
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Size
52KB
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MD5
43daee431e96ef8668d3219fb0c5fb7a
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SHA1
14e105e578dd8b91d2391d13bf0e7ec11ba1e539
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SHA256
290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a
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SHA512
912910cd483742e17a40a4829272876fd2d65b7b373d698970ac06382c74c955aec0c0182391f6796aea3d5e9938c7d31ae1bbe19bed0aa7d75308c12c58d444
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SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIF:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV/
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2532 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2532 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.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 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2548 wrote to memory of 2532 2548 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe 30 PID 2548 wrote to memory of 2532 2548 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe 30 PID 2548 wrote to memory of 2532 2548 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe 30 PID 2548 wrote to memory of 2532 2548 290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe"C:\Users\Admin\AppData\Local\Temp\290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:2532
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD561932c5e836a8c9f9120ad0560b6bcb5
SHA175edfaf4a1c0b3fd7c8236007b02739a3ecdce35
SHA2568fe7053fd46758ff99436225649ae6186f28bcaeadb02f5f18981a58d59ae638
SHA5127d05831252d128667c893e696d38a90beeceb06aaccc278e509ea0489961bd94c25f8479809fdc9f09ec2411a69a76e000440e5d0cac8fcac89fa48fe3ca4f20