bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1

Analysis

max time kernel
137s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2023, 22:19

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General

Target

bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe
Size

277KB
MD5

fbfddf28a0f3e3d796d78c746337db64
SHA1

be7492015d8f3315a3223bb26be5e966f3db0e14
SHA256

bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1
SHA512

6031173b8ea3dfc19411d90dd5d3440c0be603e4d6ecf650ec85b58249334087ebd3c2d07ae6f9c719a878008431b57747f042b5ffa43ae0d13f728770bda4fe
SSDEEP

6144:EXzKdNY49u8rVJn4cj3VUKIpBdt01net7B:ra4AO4cxfIj01CB

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/432-134-0x0000000000100000-0x00000000001A0000-memory.dmp	upx
behavioral1/memory/432-147-0x0000000000100000-0x00000000001A0000-memory.dmp	upx

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe

Executes dropped EXE 2 IoCs

pid	Process
4376	ITS SB App Switch.exe
4488	ITS SB App Switch.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe
432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe
432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe
432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4376	432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe	82
PID 432 wrote to memory of 4376	432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe	82
PID 432 wrote to memory of 4376	432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe	82
PID 432 wrote to memory of 4488	432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe	83
PID 432 wrote to memory of 4488	432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe	83
PID 432 wrote to memory of 4488	432	bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe	83

C:\Users\Admin\AppData\Local\Temp\bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe
"C:\Users\Admin\AppData\Local\Temp\bec6153c912f4c107fb71d6e073ed8cfd66ac9a4d940c9392c23d4ed2654c2f1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:432
- 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:4376
- 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:4488

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/432-134-0x0000000000100000-0x00000000001A0000-memory.dmp

Filesize
640KB

Download
memory/432-147-0x0000000000100000-0x00000000001A0000-memory.dmp

Filesize
640KB

Download