b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7

Analysis

max time kernel
86s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2023, 05:30

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General

Target

b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe
Size

277KB
MD5

7d0025f6d3cf4d6ee2528ffa3217affa
SHA1

240b51e329722b1c47c791e9a88fc6e449f7dfa6
SHA256

b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7
SHA512

04c61efb3bf6fd578ef4f73293a3ea4f4f04d050774bede872406d2d8970bad7b12a699fc5485fcf3af45cdd05b094e92d525d77551cbfacca122d1523d0a1b2
SSDEEP

3072:5NXEGZJWhfNFC4S60+XoLczrVmXR1+KDAYdfiQrImF+lASgnv3Ih1NT6pH01ne4M:XXzKdNY49u8rVgCASgv3IXNc01netJ

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	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe

Executes dropped EXE 2 IoCs

pid	Process
1684	ITS SB App Switch.exe
4524	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/3804-134-0x0000000000720000-0x00000000007C0000-memory.dmp	upx
behavioral1/memory/3804-147-0x0000000000720000-0x00000000007C0000-memory.dmp	upx
behavioral1/memory/3804-148-0x0000000000720000-0x00000000007C0000-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
3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe
3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe
3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe
3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 1684	3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe	83
PID 3804 wrote to memory of 1684	3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe	83
PID 3804 wrote to memory of 1684	3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe	83
PID 3804 wrote to memory of 4524	3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe	84
PID 3804 wrote to memory of 4524	3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe	84
PID 3804 wrote to memory of 4524	3804	b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe	84

C:\Users\Admin\AppData\Local\Temp\b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe
"C:\Users\Admin\AppData\Local\Temp\b3be2f919cad0bc31efa53fb8b7e219c2bdf3f57ce42d472f2b7b31d990d55e7.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3804
- 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:1684
- 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:4524

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/3804-134-0x0000000000720000-0x00000000007C0000-memory.dmp

Filesize
640KB

Download
memory/3804-147-0x0000000000720000-0x00000000007C0000-memory.dmp

Filesize
640KB

Download
memory/3804-148-0x0000000000720000-0x00000000007C0000-memory.dmp

Filesize
640KB

Download