bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4

Analysis

max time kernel
61s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2023 17:20

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General

Target

bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe
Size

277KB
MD5

28bd4dea505dba5554ffa7270e6b3830
SHA1

522eb55218cd274ba1edb58cd0d6268b4a5c37dc
SHA256

bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4
SHA512

43521d70b0d7a1dcd88c08e64c5ee294a84e0ea15898efbe8a05a4cc63c57cf9357fc9d5756269242d1eeb4f69d726ab5db699786b072c4292e95f4e468ed14b
SSDEEP

6144:HXzKdNY49u8rVEaKCcCwxYBh/9101netR:Ya4Ai1wxgD101G

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe

Executes dropped EXE 2 IoCs

pid	Process
4876	ITS SB App Switch.exe
5100	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/4376-134-0x0000000000E20000-0x0000000000EC0000-memory.dmp	upx
behavioral1/memory/4376-147-0x0000000000E20000-0x0000000000EC0000-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
4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe
4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe
4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe
4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 4876	4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe	82
PID 4376 wrote to memory of 4876	4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe	82
PID 4376 wrote to memory of 4876	4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe	82
PID 4376 wrote to memory of 5100	4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe	83
PID 4376 wrote to memory of 5100	4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe	83
PID 4376 wrote to memory of 5100	4376	bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe	83

C:\Users\Admin\AppData\Local\Temp\bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe
"C:\Users\Admin\AppData\Local\Temp\bc6df44862c5d08bfa1064f71c4abea06cf0e80a3b1682afe94638465be690d4.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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:4876
- 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:5100

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/4376-134-0x0000000000E20000-0x0000000000EC0000-memory.dmp

Filesize
640KB

Download
memory/4376-147-0x0000000000E20000-0x0000000000EC0000-memory.dmp

Filesize
640KB

Download