0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2023, 03:10

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General

Target

0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe
Size

277KB
MD5

7b85b74989845c6e1d6f8d257f367a3b
SHA1

30ac34a43edc85c3cb89130cb0bbf164109f7288
SHA256

0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50
SHA512

cd1969c61346113f2e74cb4a7bdcc8091b470a727c894309b7a869513f90b4c3bc350dc7d43388ef20ea3a96fc2587622a1dd394e348dc54ffa1b79ccb0dd896
SSDEEP

6144:kXzKdNY49u8rVhV37+UFkkQNltmkId01netc:La4A4V/YlXo01P

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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe

Executes dropped EXE 2 IoCs

pid	Process
3312	ITS SB App Switch.exe
1632	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/2244-133-0x0000000000420000-0x00000000004C0000-memory.dmp	upx
behavioral1/memory/2244-147-0x0000000000420000-0x00000000004C0000-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
2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe
2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe
2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe
2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 3312	2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe	86
PID 2244 wrote to memory of 3312	2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe	86
PID 2244 wrote to memory of 3312	2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe	86
PID 2244 wrote to memory of 1632	2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe	87
PID 2244 wrote to memory of 1632	2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe	87
PID 2244 wrote to memory of 1632	2244	0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe	87

C:\Users\Admin\AppData\Local\Temp\0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe
"C:\Users\Admin\AppData\Local\Temp\0b4b66efd03e3109c42ee0d03c73501d02bcf9ecabb31e764fb11b5a43b9ef50.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2244
- 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:3312
- 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:1632

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/2244-133-0x0000000000420000-0x00000000004C0000-memory.dmp

Filesize
640KB

Download
memory/2244-147-0x0000000000420000-0x00000000004C0000-memory.dmp

Filesize
640KB

Download