ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0

Analysis

max time kernel
154s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 10:41

Target

ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe
Size

532KB
MD5

0775371037ceb7c8e847cd8a4cbf83de
SHA1

fadc39f7e35206979544c5ac81c8137683e00b8a
SHA256

ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0
SHA512

d6fe84dd246413f29b9f7fbb9b8b4d2f2c6e5df3dc53d56a0cada7ced66d8354ba4b4f4077d1dfae825ebb2251c6b27310f28f79eb5c83ff2ac49dfd78cc6217
SSDEEP

6144:gXvrytgHXCFdoW/HotZk9K0C4mXE7EbmSIPzjZivhzO2PJehlNAI04Jl47sHvEhM:SvfyIIIzAClE7uDOch+h2ul/mJoKwl

Score

8^/10

upx

Executes dropped EXE 1 IoCs

Processes:

irsetup.exe

pid process

3080 irsetup.exe

pid	process
3080	irsetup.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe	upx
C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe	upx
behavioral2/memory/3080-135-0x0000000000400000-0x0000000000527000-memory.dmp	upx
behavioral2/memory/3080-136-0x0000000000400000-0x0000000000527000-memory.dmp	upx
behavioral2/memory/3080-137-0x0000000000400000-0x0000000000527000-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 use of SetWindowsHookEx 2 IoCs

Processes:

irsetup.exe

pid process

3080 irsetup.exe
3080 irsetup.exe

pid	process
3080	irsetup.exe
3080	irsetup.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe

description	pid	process	target process
PID 2200 wrote to memory of 3080	2200	ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe	irsetup.exe
PID 2200 wrote to memory of 3080	2200	ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe	irsetup.exe
PID 2200 wrote to memory of 3080	2200	ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe	irsetup.exe

C:\Users\Admin\AppData\Local\Temp\ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe
"C:\Users\Admin\AppData\Local\Temp\ececb174a82e90fe49e2020f291283f98cec02b004fe067a2eae7814041144a0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2200

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\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
memory/3080-132-0x0000000000000000-mapping.dmp

Download
memory/3080-135-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/3080-136-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/3080-137-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download