1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c

Analysis

max time kernel
53s
max time network
58s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
13/04/2023, 07:28

Target

1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe
Size

277KB
MD5

1aacab564de64b722ab578fe0c23aca6
SHA1

38cb58eaf9d7a5684a9ca8e7782c84b8a999616c
SHA256

1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c
SHA512

5fef3d7c5bc96b724fb83cbb6a5f5a6e1ea1c5f43aa85d3c6af4081553e1901343ffb62383092ce3c82423d0277f68151d651dd24536f0e29dea7518fdd65159
SSDEEP

6144:aXzKdNY49u8rVo/nkV4dPMvc+/cv1r01netY:Za4Adxd2/y01r

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
3756	ITS SB App Switch.exe
2728	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

resource	yara_rule
behavioral1/memory/4120-121-0x0000000000900000-0x00000000009A0000-memory.dmp	upx
behavioral1/memory/4120-129-0x0000000000900000-0x00000000009A0000-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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 3756	4120	1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe	66
PID 4120 wrote to memory of 3756	4120	1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe	66
PID 4120 wrote to memory of 3756	4120	1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe	66
PID 4120 wrote to memory of 2728	4120	1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe	67
PID 4120 wrote to memory of 2728	4120	1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe	67
PID 4120 wrote to memory of 2728	4120	1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe	67

C:\Users\Admin\AppData\Local\Temp\1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe
"C:\Users\Admin\AppData\Local\Temp\1521c259e51b192f11735b34612f5e8424f295524ef786474ad4d0d155079b1c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4120
- 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:3756
- 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:2728

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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/4120-121-0x0000000000900000-0x00000000009A0000-memory.dmp

Filesize
640KB

Download
memory/4120-129-0x0000000000900000-0x00000000009A0000-memory.dmp

Filesize
640KB

Download