81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2023, 00:08

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General

Target

81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe
Size

277KB
MD5

471f7f310255108c8dfbba4379b251bc
SHA1

6de207389ea99be8f1ec0f6da04fccf50572f7cf
SHA256

81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15
SHA512

04ba647f2029fa9767973263f87ae9592ebb8be01d643b8b9f20e6fc6f45a63e5239eed18c3972126bcfc5d963b871bf34e166a9fdfc2cdc945d9b293d4872be
SSDEEP

3072:DNXEGZJWhfNFC4S60+XoLczrVmX0YyrlJkbZ+Y+x+tfnEafTp8H01ne4PKxxnH:pXzKdNY49u8rVVkKInEafq01netr

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe

Executes dropped EXE 2 IoCs

pid	Process
4280	ITS SB App Switch.exe
3484	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/4556-132-0x0000000000990000-0x0000000000A30000-memory.dmp	upx
behavioral1/memory/4556-133-0x0000000000990000-0x0000000000A30000-memory.dmp	upx
behavioral1/memory/4556-138-0x0000000000990000-0x0000000000A30000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe
4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe
4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe
4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 4280	4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe	80
PID 4556 wrote to memory of 4280	4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe	80
PID 4556 wrote to memory of 4280	4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe	80
PID 4556 wrote to memory of 3484	4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe	81
PID 4556 wrote to memory of 3484	4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe	81
PID 4556 wrote to memory of 3484	4556	81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe	81

C:\Users\Admin\AppData\Local\Temp\81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe
"C:\Users\Admin\AppData\Local\Temp\81cb6c10dad210ddb7ce60986a0cb78ccaa50bae48a70f5c356439a7946aae15.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4556
- 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:4280
- 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:3484

Network

MITRE ATT&CK Enterprise v6

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

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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
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/4556-132-0x0000000000990000-0x0000000000A30000-memory.dmp

Filesize
640KB

Download
memory/4556-133-0x0000000000990000-0x0000000000A30000-memory.dmp

Filesize
640KB

Download
memory/4556-138-0x0000000000990000-0x0000000000A30000-memory.dmp

Filesize
640KB

Download