9404c7a99bcdde02f50e378d1dffad170426af7c1c5c545b2f6fd57de48ffad5

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:32

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General

Target

malware/vbc1.exe
Size

233KB
MD5

9a438bc1d2e08161d0fade11ff6c39bf
SHA1

9522e356bba95728046ced9c7071b58cdb5a6d76
SHA256

b77f6786b940f40b4eebd492b925ad174b28b50fbf9ead3a1b1000189b530704
SHA512

2ecffdcb152f302ea16bbfdd57182ccac40361a2c2345cf41d0863685807ebdeaf9f8c43ce43816289d45352dbafade5c8ba820795c0c8c7cf8e016bcf8ade9d
SSDEEP

3072:l1NjcVVnLpPunb5AWOGVQurbu9wVL16oqjoKDqsuoSS4wNPiZeEHO3My6H+sUPln:HNeZm5A9GSgVL1jq7U7wpjtp6Hfq//Fp

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4428	eblupydfzx.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3756	4428	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eblupydfzx.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 4428	3804	vbc1.exe	82
PID 3804 wrote to memory of 4428	3804	vbc1.exe	82
PID 3804 wrote to memory of 4428	3804	vbc1.exe	82
PID 4428 wrote to memory of 976	4428	eblupydfzx.exe	83
PID 4428 wrote to memory of 976	4428	eblupydfzx.exe	83
PID 4428 wrote to memory of 976	4428	eblupydfzx.exe	83

C:\Users\Admin\AppData\Local\Temp\malware\vbc1.exe
"C:\Users\Admin\AppData\Local\Temp\malware\vbc1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Users\Admin\AppData\Local\Temp\eblupydfzx.exe
  C:\Users\Admin\AppData\Local\Temp\eblupydfzx.exe C:\Users\Admin\AppData\Local\Temp\xxxknyg
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Users\Admin\AppData\Local\Temp\eblupydfzx.exe
    C:\Users\Admin\AppData\Local\Temp\eblupydfzx.exe C:\Users\Admin\AppData\Local\Temp\xxxknyg
    3⤵
    PID:976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 548
    3⤵
    - Program crash
    PID:3756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4428 -ip 4428
1⤵
PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\eblupydfzx.exe

Filesize
4KB

MD5
ca2bb1242c27b83ee0002fe931c4d5e0

SHA1
a2da8943712e92171229fa0316398150594d2b40

SHA256
189623f765bde100bf74824aca0038ecd2fea8ec2994c5e097ac657bfa1c5daf

SHA512
73b166c1ff8d2c5b0c8ed28861b250e2e1689a6def66f990927d78d9053a1d9d51ca96959f75f9e43d2c1d9434d26931da967964f602d9e141ac816e5e3ffaa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\k3wc0faknhbe

Filesize
213KB

MD5
4609cb6c51c7b7c4f657405eb57b8aad

SHA1
728f3b05895500204b2e5223d387b024698f47b9

SHA256
f22c27aa4edff08b75f27454d54397e1717ad6887d90f88f08b2c4531e788de1

SHA512
c3ddcefb50ecbe338c4857b729dad07bb3de254371761dd545a39fa01292436d414cb9580bc53097200daca9f8fc455c815f192f3c5a959a8bd551c715d1cee3

Download Submit
C:\Users\Admin\AppData\Local\Temp\xxxknyg

Filesize
5KB

MD5
f0724512513ceb7ffcc923b248aed4b9

SHA1
56b2d4b696e03f23c20eb8a9054fe9a1f775c58e

SHA256
dec4eb54843f425648c34f5293557014234598dc56cfa4defce428a79066cf20

SHA512
2a4d91f46062dfd069bdbe1a52d4d08d272fec28d1ed6de66725d06e16b93b7dfb91922e542db2567e2c0f7c91a2610bab90c370ac520929393746151f338a78

Download Submit
memory/4428-7-0x00000000005B0000-0x00000000005B2000-memory.dmp

Filesize
8KB

Download