ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31

Analysis

max time kernel
49s
max time network
74s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
30-03-2023 12:07

Target

ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe
Size

277KB
MD5

62d67ab297f3e8680a9a8afdf252e2b1
SHA1

67fe124795b0840ca2a51a18f86be690334f3771
SHA256

ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31
SHA512

f16d34b9059f9389b67978a4fafdc3795f674f5f94f0b333fce850dbb10d810238f1d88ccef89277f444bad2cec1e070a2abca4559bed1bb99c6c7841f35f847
SSDEEP

3072:WNXEGZJWhfNFC4S60+XoLczrVmXD7taWqWepzWGLiw6Zau4NDBzdrmaDbIIVPVHc:kXzKdNY49u8rVk7tlzwzz9f01netcR

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
4856	ITS SB App Switch.exe
4312	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/2256-117-0x0000000001040000-0x00000000010E0000-memory.dmp	upx
behavioral1/memory/2256-124-0x0000000001040000-0x00000000010E0000-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 2256 wrote to memory of 4856	2256	ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe	66
PID 2256 wrote to memory of 4856	2256	ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe	66
PID 2256 wrote to memory of 4856	2256	ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe	66
PID 2256 wrote to memory of 4312	2256	ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe	67
PID 2256 wrote to memory of 4312	2256	ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe	67
PID 2256 wrote to memory of 4312	2256	ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe	67

C:\Users\Admin\AppData\Local\Temp\ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe
"C:\Users\Admin\AppData\Local\Temp\ef9a7fe3b0c13964958d3872f74bdb0271477fc9e0f56391e2638244679edc31.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2256
- 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:4856
- 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:4312

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/2256-117-0x0000000001040000-0x00000000010E0000-memory.dmp

Filesize
640KB

Download
memory/2256-124-0x0000000001040000-0x00000000010E0000-memory.dmp

Filesize
640KB

Download