02ba902cf49ca9cf5d4d398ed5d72f37847b9aa7c8a561a06186ff004ffb8812

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 07:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

FlashSaver_5b8_WestKing_HA.exe
Size

2.8MB
MD5

91bb9d4ee13cf8207e1dad465b58a7e9
SHA1

b0615d9f6d8abe59c3ec718443a85da4159be5e8
SHA256

5eb04636520f3c18ee20f3592741c80cf20a65be796addde6a47e7f60f3cd58a
SHA512

6682b2a7f07ebbeaf7f9e2cf51a7d0911caccfd307b95a433b0f453f2dcde9192c2d8432c2fa86d3826c50873efbdba559c328859d9c260d59d2b47a1512a4a1
SSDEEP

49152:B6dWEGdUgUa5jjbSFRqK7qF1GSjyKSNXd1mIj2q4vXaMqpmpbbp49YbOH6:kdAtdtXSFRbqnGKFRDGmR4YbU6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2208	is-0ADV6.tmp

Loads dropped DLL 3 IoCs

pid	Process
1716	FlashSaver_5b8_WestKing_HA.exe
2208	is-0ADV6.tmp
2208	is-0ADV6.tmp

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2208	is-0ADV6.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15
PID 1716 wrote to memory of 2208	1716	FlashSaver_5b8_WestKing_HA.exe	15

C:\Users\Admin\AppData\Local\Temp\FlashSaver_5b8_WestKing_HA.exe
"C:\Users\Admin\AppData\Local\Temp\FlashSaver_5b8_WestKing_HA.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\is-E1ER5.tmp\is-0ADV6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-E1ER5.tmp\is-0ADV6.tmp" /SL4 $40150 "C:\Users\Admin\AppData\Local\Temp\FlashSaver_5b8_WestKing_HA.exe" 2745568 48128
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2208

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

Loading Replay Monitor...

Downloads

memory/1716-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1716-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2208-15-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download