d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403

Analysis

max time kernel
78s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2023 22:21

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General

Target

d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe
Size

277KB
MD5

4a640be40fb258eec4a08da9ebfea97e
SHA1

1dc39f9253b2ea8e88a68819df49655ef4cf9433
SHA256

d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403
SHA512

1884f047a7ebac6d65a8b1cffa950e482891a76ed12d10bc66c47686dc737eb19984781d581b247a9b0aa0570a304f180b4e87014dc62b7a8fc82cf4101e5448
SSDEEP

6144:rXzKdNY49u8rVeaKC+JASgv3IXNPFD01nets:0a4AkNSgv+D01X

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe

Executes dropped EXE 2 IoCs

pid	Process
4740	ITS SB App Switch.exe
4860	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/4676-134-0x0000000000860000-0x0000000000900000-memory.dmp	upx
behavioral1/memory/4676-147-0x0000000000860000-0x0000000000900000-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
4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe
4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe
4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe
4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 4740	4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe	82
PID 4676 wrote to memory of 4740	4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe	82
PID 4676 wrote to memory of 4740	4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe	82
PID 4676 wrote to memory of 4860	4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe	83
PID 4676 wrote to memory of 4860	4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe	83
PID 4676 wrote to memory of 4860	4676	d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe	83

C:\Users\Admin\AppData\Local\Temp\d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe
"C:\Users\Admin\AppData\Local\Temp\d767b6bf4f556e0e27eabde8dba5b8a0103e45f44bdb8c5f02ff1e7a3b85c403.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4676
- 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:4740
- 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:4860

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/4676-134-0x0000000000860000-0x0000000000900000-memory.dmp

Filesize
640KB

Download
memory/4676-147-0x0000000000860000-0x0000000000900000-memory.dmp

Filesize
640KB

Download