519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7

Analysis

max time kernel
141s
max time network
143s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
27/03/2023, 04:54

Target

519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
Size

277KB
MD5

4e31b7edd724d099ecb243d694930b11
SHA1

09182e2cff9360e679259da791438fa860db718c
SHA256

519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7
SHA512

372686be52a8094d975ec6c6c0620fb0ace6208b93d4dd81949fa83a12db683b127d3496762648737be5711561fe79d32f61057bc310021b00b6aa1f49b60ef3
SSDEEP

6144:/XzKdNY49u8rVX1tZKC9Mlr5xuRrU9401netg:Aa4Aan+lNxV4013

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
4136	ITS SB App Switch.exe
4484	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/3704-117-0x0000000000E90000-0x0000000000F30000-memory.dmp	upx
behavioral1/memory/3704-124-0x0000000000E90000-0x0000000000F30000-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
3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 4136	3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe	66
PID 3704 wrote to memory of 4136	3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe	66
PID 3704 wrote to memory of 4136	3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe	66
PID 3704 wrote to memory of 4484	3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe	67
PID 3704 wrote to memory of 4484	3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe	67
PID 3704 wrote to memory of 4484	3704	519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe	67

C:\Users\Admin\AppData\Local\Temp\519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe
"C:\Users\Admin\AppData\Local\Temp\519226aef5920c61f45f517b7c126bb946a1cb1d5fde054f1a4f6080c77107b7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3704
- 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:4136
- 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:4484

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/3704-117-0x0000000000E90000-0x0000000000F30000-memory.dmp

Filesize
640KB

Download
memory/3704-124-0x0000000000E90000-0x0000000000F30000-memory.dmp

Filesize
640KB

Download