664711494699600eb0257c8dc647c402110fc3eaea33cb2da5d4bac40a954380

Analysis

max time kernel
100s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 21:49

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General

Target

48ea5a89bd5bb4f282089cf15fcb8140N.exe
Size

57KB
MD5

48ea5a89bd5bb4f282089cf15fcb8140
SHA1

974a0ca29d620ed2b63125bb742f7f6ed94904d7
SHA256

664711494699600eb0257c8dc647c402110fc3eaea33cb2da5d4bac40a954380
SHA512

d8d86958117bb34891ea9c73d2243a41355d589959db2d25458ae999231170e9eeea0d1606a635d7849242c5498b766ed422dfadf37a6f8047ca2155c72feca3
SSDEEP

1536:0AfXclvQUl4AS0j6zEiI84zezXggS9hw+U:08clvQUuI84zezwgR

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2620	vusjeson.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	48ea5a89bd5bb4f282089cf15fcb8140N.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	icanhazip.com

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	48ea5a89bd5bb4f282089cf15fcb8140N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vusjeson.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2620	2256	48ea5a89bd5bb4f282089cf15fcb8140N.exe	29
PID 2256 wrote to memory of 2620	2256	48ea5a89bd5bb4f282089cf15fcb8140N.exe	29
PID 2256 wrote to memory of 2620	2256	48ea5a89bd5bb4f282089cf15fcb8140N.exe	29
PID 2256 wrote to memory of 2620	2256	48ea5a89bd5bb4f282089cf15fcb8140N.exe	29

C:\Users\Admin\AppData\Local\Temp\48ea5a89bd5bb4f282089cf15fcb8140N.exe
"C:\Users\Admin\AppData\Local\Temp\48ea5a89bd5bb4f282089cf15fcb8140N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\vusjeson.exe
  C:\Users\Admin\AppData\Local\Temp\vusjeson.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\vusjeson.exe

Filesize
58KB

MD5
5c48403ca8f9d2fe24103f460e5690d7

SHA1
8d459ed3df9accf2e4eaf96320488b1e537149fc

SHA256
9979e8514c748b729ab4bd6cc4eb27cc9cda3549140992b64d656bdbc93f5d40

SHA512
ce9c0e0a93df4ef3b5b6726a7d0a3b5ceb276f59141ea419a9a6a3bef4e6d633d4ce0bf477910a85829b06031fae68ffeddabd081d9400feae4e7d5b6dc30fbc

Download Submit
memory/2256-0-0x0000000000403000-0x0000000000405000-memory.dmp

Filesize
8KB

Download
memory/2620-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download