efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48

Analysis

max time kernel
54s
max time network
56s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
26-03-2023 13:00

Target

efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe
Size

277KB
MD5

91cf933e6374815ab158148c596870f6
SHA1

ada5b3480126f15b571431d2721cdae9bfad91ab
SHA256

efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48
SHA512

4ef6e6c2e39c572ed725941ca2cb6f5bde6cb4b9460ac6bca94a56b47c15468d42ac3d82bf79548d69b77947ebac164e90f686b049e49c7d998a03b77f2b020e
SSDEEP

3072:jNXEGZJWhfNFC4S60+XoLczrVmXqobOS/koRyxZJN4oqzXGdVHEH01ne4PK7xT7:JXzKdNY49u8rVwxsHHN4oqXGc01netF7

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
2096	ITS SB App Switch.exe
4732	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/3096-117-0x00000000010E0000-0x0000000001180000-memory.dmp	upx
behavioral1/memory/3096-124-0x00000000010E0000-0x0000000001180000-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
3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe
3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe
3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe
3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 2096	3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe	66
PID 3096 wrote to memory of 2096	3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe	66
PID 3096 wrote to memory of 2096	3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe	66
PID 3096 wrote to memory of 4732	3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe	67
PID 3096 wrote to memory of 4732	3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe	67
PID 3096 wrote to memory of 4732	3096	efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe	67

C:\Users\Admin\AppData\Local\Temp\efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe
"C:\Users\Admin\AppData\Local\Temp\efc64997cfe54fd18be5556f5712d89995de3ca48a439d8bc031e4ce96e0ad48.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3096
- 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:2096
- 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:4732

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/3096-117-0x00000000010E0000-0x0000000001180000-memory.dmp

Filesize
640KB

Download
memory/3096-124-0x00000000010E0000-0x0000000001180000-memory.dmp

Filesize
640KB

Download