4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa

Analysis

max time kernel
56s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2023, 06:00

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General

Target

4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe
Size

277KB
MD5

4b70a779ff1d40c1132f50a6fd53ec1e
SHA1

6a4eb233f01c529357139d6f39aa6f216b3dbf92
SHA256

4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa
SHA512

1cae8787291bf4ead3fbe0657546eb9eedb0e6bf768e19eee6c43feb2f718ad0b29c10fa7a861c3862f8abe3287d3c9f0f0f63f29c4cdd257246251bde1b880e
SSDEEP

3072:JNXEGZJWhfNFC4S60+XoLczrVmXgiDeu29ppzWGLiw6Zau4NDBzdrmaDbI/yH01S:nXzKdNY49u8rVji32kwzz9B01netN

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	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe

Executes dropped EXE 2 IoCs

pid	Process
4208	ITS SB App Switch.exe
4192	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/4900-134-0x0000000000800000-0x00000000008A0000-memory.dmp	upx
behavioral1/memory/4900-147-0x0000000000800000-0x00000000008A0000-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
4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe
4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe
4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe
4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 4208	4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe	83
PID 4900 wrote to memory of 4208	4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe	83
PID 4900 wrote to memory of 4208	4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe	83
PID 4900 wrote to memory of 4192	4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe	84
PID 4900 wrote to memory of 4192	4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe	84
PID 4900 wrote to memory of 4192	4900	4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe	84

C:\Users\Admin\AppData\Local\Temp\4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe
"C:\Users\Admin\AppData\Local\Temp\4cc8bcd3b2bd85020f0d8883dac2cc904ea8b300c6302abc645a26f0130f66aa.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4900
- 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:4208
- 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:4192

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/4900-134-0x0000000000800000-0x00000000008A0000-memory.dmp

Filesize
640KB

Download
memory/4900-147-0x0000000000800000-0x00000000008A0000-memory.dmp

Filesize
640KB

Download