f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 18:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe
Size

266KB
MD5

a9baf90cc51e68583718449595f61183
SHA1

81beec4a41716194f549fdd75d46333a6530fa67
SHA256

f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8
SHA512

0095254e137b9a4599a17acc64fc9aceb3e784f870521bc8e8ef99c894518e131a2604d98510afc037aea755758532282304d4743630a9d0931e1e7db6f90626
SSDEEP

6144:1XzKdNY49u8rVhHrLVzJTeB6IxACs24l01net:ma4Aor5zU0IpL4l01

Score

7^/10

upx

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	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe

Executes dropped EXE 2 IoCs

pid	Process
4660	ITS SB App Switch.exe
2356	ITS SB App Switch.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000AC0000-0x0000000000B60000-memory.dmp	upx
behavioral1/memory/2888-14-0x0000000000AC0000-0x0000000000B60000-memory.dmp	upx
behavioral1/memory/2888-15-0x0000000000AC0000-0x0000000000B60000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe
2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe
2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe
2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 4660	2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe	93
PID 2888 wrote to memory of 4660	2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe	93
PID 2888 wrote to memory of 4660	2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe	93
PID 2888 wrote to memory of 2356	2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe	94
PID 2888 wrote to memory of 2356	2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe	94
PID 2888 wrote to memory of 2356	2888	f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe	94

C:\Users\Admin\AppData\Local\Temp\f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe
"C:\Users\Admin\AppData\Local\Temp\f3b8596ac4d86da8d622b6a7cbb1f0481cdfbf370ce8b01e6161ad5751d543e8.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:4660
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/2888-0-0x0000000000AC0000-0x0000000000B60000-memory.dmp

Filesize
640KB

Download
memory/2888-14-0x0000000000AC0000-0x0000000000B60000-memory.dmp

Filesize
640KB

Download
memory/2888-15-0x0000000000AC0000-0x0000000000B60000-memory.dmp

Filesize
640KB

Download