a5ef4d55c96aca6699873bba5d26645f4e3270ab2122ef8929a443cfb34a5a45

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 07:07

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General

Target

c027b9793f81fbf17a3b4507f7868d38.exe
Size

601KB
MD5

c027b9793f81fbf17a3b4507f7868d38
SHA1

bad579070ccc4b1ddfbe3377060704d49e82edaa
SHA256

a5ef4d55c96aca6699873bba5d26645f4e3270ab2122ef8929a443cfb34a5a45
SHA512

8c9b8f38d66c6c80be93161b596e320f44c3838a9b3f1764d5e39b61cd3b2572237996766a92b875644e552da33b5ea6e956abce4ac125a8f62d1f1895dd2afd
SSDEEP

6144:QA/TB+zbqp9lSxjEuWMTom9A/TB+zO3Cpn1bsAS0wvYlESM3kBukYYezRtuSJ13w:fUHnWMoUySA7Rv0gohYYeltuE3st

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	c027b9793f81fbf17a3b4507f7868d38.exe

Executes dropped EXE 2 IoCs

pid	Process
1076	biemn0bveNa1XvaxsUo9.exe
2996	vHvj3WAsY1mcPFeThCaG.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Media Center = "C:\\Windows\\smss.exe"	biemn0bveNa1XvaxsUo9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\smss.exe	biemn0bveNa1XvaxsUo9.exe
File opened for modification	C:\Windows\smss.exe	biemn0bveNa1XvaxsUo9.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2996	vHvj3WAsY1mcPFeThCaG.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 1076	3396	c027b9793f81fbf17a3b4507f7868d38.exe	101
PID 3396 wrote to memory of 1076	3396	c027b9793f81fbf17a3b4507f7868d38.exe	101
PID 3396 wrote to memory of 1076	3396	c027b9793f81fbf17a3b4507f7868d38.exe	101
PID 3396 wrote to memory of 2996	3396	c027b9793f81fbf17a3b4507f7868d38.exe	102
PID 3396 wrote to memory of 2996	3396	c027b9793f81fbf17a3b4507f7868d38.exe	102
PID 3396 wrote to memory of 2996	3396	c027b9793f81fbf17a3b4507f7868d38.exe	102

C:\Users\Admin\AppData\Local\Temp\c027b9793f81fbf17a3b4507f7868d38.exe
"C:\Users\Admin\AppData\Local\Temp\c027b9793f81fbf17a3b4507f7868d38.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\biemn0bveNa1XvaxsUo9.exe
  "C:\Users\Admin\AppData\Local\Temp\biemn0bveNa1XvaxsUo9.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  PID:1076
- C:\Users\Admin\AppData\Local\Temp\vHvj3WAsY1mcPFeThCaG.exe
  "C:\Users\Admin\AppData\Local\Temp\vHvj3WAsY1mcPFeThCaG.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2996

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:3708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biemn0bveNa1XvaxsUo9.exe

Filesize
14KB

MD5
b4c3111a9cc347bea4b1df5b81d4af80

SHA1
71238d3876926fa3344479c16d21d414d8823738

SHA256
deb425cee197f3632514061b77d824b4ed818e0b1da013f4ddf72e4cbe3b648e

SHA512
a804fa2fdefb0dce77dda4c94f319de94f408219f8d176cc14e2a75de979f19d35e3c041528d92a16a195554376956c760987cf6824ed7177169ce9914ddaa20

Download Submit
C:\Users\Admin\AppData\Local\Temp\vHvj3WAsY1mcPFeThCaG.exe

Filesize
312KB

MD5
f10bc6dd9b82bf380fedb0c121f1465e

SHA1
c09b22968a94ee6efca01373e92bbdde949902cf

SHA256
9d9a7dc08d063455e344502cdb2e67b8f9ef9e40e769da14706db4937c8bdf13

SHA512
ea12b73d61c46d0c33af4c0e38acfb59a219dff2eddd5ebe5dc19c06f666108559005360de058b2b0208b149e970e265ad827683544094f77279f75153358e1c

Download Submit
memory/3396-0-0x00007FF82D350000-0x00007FF82DCF1000-memory.dmp

Filesize
9.6MB

Download
memory/3396-1-0x00007FF82D350000-0x00007FF82DCF1000-memory.dmp

Filesize
9.6MB

Download
memory/3396-2-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/3396-3-0x000000001B8F0000-0x000000001B996000-memory.dmp

Filesize
664KB

Download
memory/3396-4-0x000000001BE70000-0x000000001C33E000-memory.dmp

Filesize
4.8MB

Download
memory/3396-5-0x000000001C3E0000-0x000000001C47C000-memory.dmp

Filesize
624KB

Download
memory/3396-6-0x0000000001160000-0x0000000001168000-memory.dmp

Filesize
32KB

Download
memory/3396-7-0x000000001C560000-0x000000001C5AC000-memory.dmp

Filesize
304KB

Download
memory/3396-8-0x0000000000F90000-0x0000000000FA0000-memory.dmp

Filesize
64KB

Download
memory/3396-27-0x00007FF82D350000-0x00007FF82DCF1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads