bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44

Analysis

max time kernel
278s
max time network
340s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2023 11:35

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General

Target

bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe
Size

277KB
MD5

bbab31e0b9e41cc8c3991bdaf8ab3e7b
SHA1

ebadc66b5eff2690ba4f34dce2dcc8db7d0a92bb
SHA256

bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44
SHA512

a59bb92049e21a866fa28dc4b1432147ab95da81017091a9d44e2e0b5a5ba8c0ad3708a4e61b87431ded95a4e29aa0cba66a43626750e16bb3592dbab0212139
SSDEEP

6144:4XzKdNY49u8rVRHrlhV7k1QXzF5Ov01net8G:na4Agrl/7lXiv01g

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe

Executes dropped EXE 2 IoCs

pid	Process
2004	ITS SB App Switch.exe
1696	ITS SB App Switch.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/400-132-0x0000000000560000-0x0000000000600000-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 2 IoCs

pid	Process
400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe
400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2004	400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe	84
PID 400 wrote to memory of 2004	400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe	84
PID 400 wrote to memory of 2004	400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe	84
PID 400 wrote to memory of 1696	400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe	85
PID 400 wrote to memory of 1696	400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe	85
PID 400 wrote to memory of 1696	400	bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe	85

C:\Users\Admin\AppData\Local\Temp\bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe
"C:\Users\Admin\AppData\Local\Temp\bd55a58950f1a704631e3c1697816bfd5f0ec8ecbd79cfe0481d3f2a68f17a44.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:400
- 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:2004
- 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:1696

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/400-132-0x0000000000560000-0x0000000000600000-memory.dmp

Filesize
640KB

Download
memory/1696-136-0x0000000000000000-mapping.dmp

Download
memory/2004-133-0x0000000000000000-mapping.dmp

Download