123fb39a88c24e9d8b35f735b198f42ad97a82a88e49788448f48854046df383

Analysis

max time kernel
41s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 06:52

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General

Target

2c4ba683289f711486a2ce38ddcdb523.exe
Size

366KB
MD5

2c4ba683289f711486a2ce38ddcdb523
SHA1

3a13f27bf8216b3eb48ca15fca56b9b70475dd39
SHA256

123fb39a88c24e9d8b35f735b198f42ad97a82a88e49788448f48854046df383
SHA512

138052b78289c10524972b112b19c77cf01a8808589f4e3eaa5b8164bb059fedf66a1fbb8a9e9cf173049ad42322ae20e9b209055a45d4f11d614d5e1c8e445c
SSDEEP

6144:iIzSxdhTIjYq+U5IqTQqdFTyuovksEUPtavIYJu4Jel/KGAwJcR:iBdajVzIqrF2LcKIQYvJe1KKJc

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2548-1-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2156-6-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\fy59tfyCrL5i	fy59tfyCrL5i.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2548	2c4ba683289f711486a2ce38ddcdb523.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2156	fy59tfyCrL5i.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2548	2c4ba683289f711486a2ce38ddcdb523.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe
2156	fy59tfyCrL5i.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2156	2548	2c4ba683289f711486a2ce38ddcdb523.exe	28
PID 2548 wrote to memory of 2156	2548	2c4ba683289f711486a2ce38ddcdb523.exe	28
PID 2548 wrote to memory of 2156	2548	2c4ba683289f711486a2ce38ddcdb523.exe	28
PID 2548 wrote to memory of 2156	2548	2c4ba683289f711486a2ce38ddcdb523.exe	28

C:\Users\Admin\AppData\Local\Temp\2c4ba683289f711486a2ce38ddcdb523.exe
"C:\Users\Admin\AppData\Local\Temp\2c4ba683289f711486a2ce38ddcdb523.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- C:\PROGRA~3\fy59tfyCrL5i.exe
  C:\PROGRA~3\fy59tfyCrL5i.exe
  2⤵
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2156-17-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-6-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-29-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-28-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-26-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-5-0x0000000001D30000-0x0000000001D82000-memory.dmp

Filesize
328KB

Download
memory/2156-16-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-7-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-8-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-10-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-27-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-15-0x0000000001D30000-0x0000000001D82000-memory.dmp

Filesize
328KB

Download
memory/2156-21-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-18-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-19-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-20-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-24-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-22-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2156-23-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2548-0-0x0000000000380000-0x00000000003D2000-memory.dmp

Filesize
328KB

Download
memory/2548-1-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2548-3-0x0000000000380000-0x00000000003D2000-memory.dmp

Filesize
328KB

Download
memory/2548-4-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2548-2-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download