8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2023, 06:03

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General

Target

8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
Size

277KB
MD5

b97cf9fbf6c73f1f5f7299eaaf0837dc
SHA1

3a4f51690bfc267cdd6e10691e4da5818891b11a
SHA256

8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5
SHA512

740ff99e9bba1d138c2e70c2d7c8dbbf2adc950844ae91c6751f9e01ca1c0de25568b71a9813a0fc8556390fde21aee4fb0984de5df412d565a4fddb38f33290
SSDEEP

6144:CXzKdNY49u8rVS6btCN/w+atfHcHx1SFeE01netz:Ra4Al6bsN/jatfHuxA901g

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe

Executes dropped EXE 2 IoCs

pid	Process
3592	ITS SB App Switch.exe
404	ITS SB App Switch.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/972-134-0x0000000000F30000-0x0000000000FD0000-memory.dmp	upx
behavioral1/memory/972-143-0x0000000000F30000-0x0000000000FD0000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 3592	972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe	82
PID 972 wrote to memory of 3592	972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe	82
PID 972 wrote to memory of 3592	972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe	82
PID 972 wrote to memory of 404	972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe	83
PID 972 wrote to memory of 404	972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe	83
PID 972 wrote to memory of 404	972	8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe	83

C:\Users\Admin\AppData\Local\Temp\8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe
"C:\Users\Admin\AppData\Local\Temp\8c423ad9fdbf23f32df37dc6ddaff0a3a07183bcfcc2c1f05d9d5528007a41e5.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:972
- 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:3592
- 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:404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/972-134-0x0000000000F30000-0x0000000000FD0000-memory.dmp

Filesize
640KB

Download
memory/972-143-0x0000000000F30000-0x0000000000FD0000-memory.dmp

Filesize
640KB

Download