b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a

Analysis

max time kernel
106s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2023 04:20

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General

Target

b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe
Size

277KB
MD5

eb70e9df9d017163da3d09eac4d0cf1a
SHA1

f8b163a21f87b37871ab8ebefe33b4adafc5b43b
SHA256

b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a
SHA512

9ed52e74eb40b756867ac7d6d454c8b7670d26b02ff9e377e2873ce4c203a1d718efaaefad02d0df48cd00a0f8e8beb81dbf8611d584c71d0b196a84e9cab39d
SSDEEP

6144:LXzKdNY49u8rVFV0hUkx2/bQcF601net/:Ua4Aw0mZF601g

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe

Executes dropped EXE 2 IoCs

pid	Process
3852	ITS SB App Switch.exe
3032	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/3008-132-0x0000000000460000-0x0000000000500000-memory.dmp	upx
behavioral1/memory/3008-137-0x0000000000460000-0x0000000000500000-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
3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe
3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe
3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe
3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 3852	3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe	82
PID 3008 wrote to memory of 3852	3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe	82
PID 3008 wrote to memory of 3852	3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe	82
PID 3008 wrote to memory of 3032	3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe	83
PID 3008 wrote to memory of 3032	3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe	83
PID 3008 wrote to memory of 3032	3008	b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe	83

C:\Users\Admin\AppData\Local\Temp\b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe
"C:\Users\Admin\AppData\Local\Temp\b7b5bd572f1f1c62ac73d660ffe7c54cf4f76a59b400659f76f6bfa83c5aac6a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3008
- 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:3852
- 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:3032

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/3008-132-0x0000000000460000-0x0000000000500000-memory.dmp

Filesize
640KB

Download
memory/3008-137-0x0000000000460000-0x0000000000500000-memory.dmp

Filesize
640KB

Download