f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140

Analysis

max time kernel
70s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2023, 18:36

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General

Target

f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe
Size

277KB
MD5

52a0f678bc8b396c2c73cf1814b9988b
SHA1

b20b50ba9a628f71e1cc60f5cdb8e3b23b8d579c
SHA256

f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140
SHA512

e334ad8ed4bbf020782df76eca6b36c3f2f6d7d798a16343ce39c32e9d5ac3d431a6b82eae3cc11360773d4e9cef91f929a3e986388b40311f84faf6522d6d3e
SSDEEP

3072:CNXEGZJWhfNFC4S60+XoLczrVmXLM3htSHTWKK8/3UuwiDIAkJhgDl85H01ne4Pv:wXzKdNY49u8rVs1SypDIAygDqh01netG

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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe

Executes dropped EXE 2 IoCs

pid	Process
4652	ITS SB App Switch.exe
3236	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4988-134-0x0000000000EE0000-0x0000000000F80000-memory.dmp	upx
behavioral1/memory/4988-147-0x0000000000EE0000-0x0000000000F80000-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
4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe
4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe
4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe
4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 4652	4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe	83
PID 4988 wrote to memory of 4652	4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe	83
PID 4988 wrote to memory of 4652	4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe	83
PID 4988 wrote to memory of 3236	4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe	84
PID 4988 wrote to memory of 3236	4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe	84
PID 4988 wrote to memory of 3236	4988	f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe	84

C:\Users\Admin\AppData\Local\Temp\f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe
"C:\Users\Admin\AppData\Local\Temp\f73b7621c756b0798bea621d7d37af8c8dea31da4becdae7e71cbf1486d85140.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4988
- 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:4652
- 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:3236

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
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/4988-134-0x0000000000EE0000-0x0000000000F80000-memory.dmp

Filesize
640KB

Download
memory/4988-147-0x0000000000EE0000-0x0000000000F80000-memory.dmp

Filesize
640KB

Download