fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea

Analysis

max time kernel
150s
max time network
62s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
11/04/2023, 05:21

Target

fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe
Size

277KB
MD5

c17f2f2b5a7316f61f2f9072c4b18da8
SHA1

788bdabb3e3758c9cd216378aa51e17671006068
SHA256

fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea
SHA512

cfb87e2f02ae3bd52c8b3429dfe3ef76be2131585ad7df730b65e6fba04f1e53f138b92d6f744c84de1d50f7cde02b24cb4f2769f7d75ab77bb37d057b05b6b2
SSDEEP

6144:bXzKdNY49u8rV/bSxvfdqbCe1KZG01netBt:ka4AISxvAbCE01ct

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
4144	ITS SB App Switch.exe
3928	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/3840-121-0x0000000000FE0000-0x0000000001080000-memory.dmp	upx
behavioral1/memory/3840-128-0x0000000000FE0000-0x0000000001080000-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
3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe
3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe
3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe
3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 4144	3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe	66
PID 3840 wrote to memory of 4144	3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe	66
PID 3840 wrote to memory of 4144	3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe	66
PID 3840 wrote to memory of 3928	3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe	67
PID 3840 wrote to memory of 3928	3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe	67
PID 3840 wrote to memory of 3928	3840	fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe	67

C:\Users\Admin\AppData\Local\Temp\fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe
"C:\Users\Admin\AppData\Local\Temp\fa883bdf888a8e9734121e53875145d820b46ec1b959373c4f2643eba1de24ea.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3840
- 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:4144
- 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:3928

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/3840-121-0x0000000000FE0000-0x0000000001080000-memory.dmp

Filesize
640KB

Download
memory/3840-128-0x0000000000FE0000-0x0000000001080000-memory.dmp

Filesize
640KB

Download