Analysis
-
max time kernel
174s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2023, 11:09
Behavioral task
behavioral1
Sample
431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe
Resource
win10v2004-20221111-en
General
-
Target
431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe
-
Size
277KB
-
MD5
35aa5a7b86cb01d8fe0a0807bf17d1b2
-
SHA1
5faecf50a3bc4b3936d5f8ecac183d8373e00021
-
SHA256
431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588
-
SHA512
2e719e3006d3abea25f82c62bf662acc06a75012756365f9b50a7ce6dee8396af10a3c4e01d759767f81dc1c21ad806b7081de4dba9b00c0c7e258f5716c126b
-
SSDEEP
6144:zXzKdNY49u8rVbuw27GvWz8mvP6rX01nets:sa4ApGvWXW01L
Malware Config
Signatures
-
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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe -
Executes dropped EXE 2 IoCs
pid Process 4384 ITS SB App Switch.exe 4612 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/4220-132-0x00000000001D0000-0x0000000000270000-memory.dmp upx behavioral1/memory/4220-138-0x00000000001D0000-0x0000000000270000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4220 wrote to memory of 4384 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 81 PID 4220 wrote to memory of 4384 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 81 PID 4220 wrote to memory of 4384 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 81 PID 4220 wrote to memory of 4612 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 82 PID 4220 wrote to memory of 4612 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 82 PID 4220 wrote to memory of 4612 4220 431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe"C:\Users\Admin\AppData\Local\Temp\431df5c4665d6b5ba233db8ecb7f9f49f09dc7fbbaa6c56ca69977144d2ae588.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
PID:4384
-
-
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
PID:4612
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
-
Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
-
Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5