15aac068d2c98512f0072ccf585fb2bcc2ecc5bbdbdf294d9fa61f4b99a72b63

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 18:06

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Cxjk.exe
Size

864KB
MD5

48bdc1417ce89b83bc3fdd9bd33adfce
SHA1

bb5a3b9049cd51b91d15b9f88f047ec1ec0f4054
SHA256

aa6310f9d4c4c65bc1ee8694830b552f67c79a1700249fd48ed90b533e3ec609
SHA512

d15fdabc50a286ae40cdb6b3ee8aebcad0a738fc596ed31561e37bfa5e48f08078c3b044338e87bbebdcc966d763c7bb16a52a04749794b91dfd631b9fffed9f
SSDEEP

24576:ApniCj2qoB0set75NwT5FzTGB/rPA+XDsa3kY2+mO8v:+ig2qBs+75A5Fnc/rT13O+mO0

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2964	is-65D3V.tmp

Loads dropped DLL 3 IoCs

pid	Process
1924	Cxjk.exe
2964	is-65D3V.tmp
2964	is-65D3V.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
2964	is-65D3V.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28
PID 1924 wrote to memory of 2964	1924	Cxjk.exe	28

C:\Users\Admin\AppData\Local\Temp\Cxjk.exe
"C:\Users\Admin\AppData\Local\Temp\Cxjk.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\is-3F2VB.tmp\is-65D3V.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3F2VB.tmp\is-65D3V.tmp" /SL4 $400BE "C:\Users\Admin\AppData\Local\Temp\Cxjk.exe" 653414 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2964

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

C:\Users\Admin\AppData\Local\Temp\is-3F2VB.tmp\is-65D3V.tmp

Filesize
634KB

MD5
d291acbf9866b8846fe0629e690feb1a

SHA1
293314b11340d798d3c74e2416e2a43f267a25d6

SHA256
ab3e1fa210171e5ed2decc615c9328379ee3d29b55ee0e5d7ef6bece43f583eb

SHA512
320e68a67fdcf13dc25640cf68468abd9e0dc51b647f95277eebbd06c7c5ee298b1f68d4a01deb886979e42cbc3eddf16ac4db18884a96b1535598ba11ba36ed

Download Submit
\Users\Admin\AppData\Local\Temp\is-GTJ2O.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1924-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1924-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1924-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2964-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download