a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400

Analysis

max time kernel
54s
max time network
139s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
14/04/2023, 01:10

Target

a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe
Size

277KB
MD5

167333cdfd07c5da2deba58b1d9df90b
SHA1

98dacb4f55a92d9530ce97c512c225294f1f6d4d
SHA256

a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400
SHA512

5868701f4b2cba038b6444ae5cd81c130f23c1bb4ad0e0902eae3535dbb6eb5c2dc455b916b358eb3656ba7b996519a7eff028a640ef6b2f5a805106092f43a1
SSDEEP

3072:ENXEGZJWhfNFC4S60+XoLczrVmXUpC1brHjS+/fbC8DcGLSrZgH01ne4PKOxb:SXzKdNY49u8rVVmjLHu8DcGLSi01netq

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
3592	ITS SB App Switch.exe
2348	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/4124-117-0x0000000000E30000-0x0000000000ED0000-memory.dmp	upx
behavioral1/memory/4124-124-0x0000000000E30000-0x0000000000ED0000-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
4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe
4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe
4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe
4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3592	4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe	66
PID 4124 wrote to memory of 3592	4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe	66
PID 4124 wrote to memory of 3592	4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe	66
PID 4124 wrote to memory of 2348	4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe	67
PID 4124 wrote to memory of 2348	4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe	67
PID 4124 wrote to memory of 2348	4124	a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe	67

C:\Users\Admin\AppData\Local\Temp\a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe
"C:\Users\Admin\AppData\Local\Temp\a3cacb13e2a561b7854a0a5d0afd2e8eb3f52834acd50fd062450dc249fbb400.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4124
- 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:2348

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/4124-117-0x0000000000E30000-0x0000000000ED0000-memory.dmp

Filesize
640KB

Download
memory/4124-124-0x0000000000E30000-0x0000000000ED0000-memory.dmp

Filesize
640KB

Download