b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150

Analysis

max time kernel
130s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2023, 01:17

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General

Target

b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe
Size

277KB
MD5

44875bed3288fd00cb4c8336f0c4ddb0
SHA1

93160c56476c36a686d1569f046b01d2155aae77
SHA256

b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150
SHA512

90b4df999c3233135e76195be9f9eea37b51ddb530e379a0afedb76dbeeecedff931c77c18dcb9928b90d7acaa888e44c10b799075602a7d4ea07a392500bc09
SSDEEP

3072:YNXEGZJWhfNFC4S60+XoLczrVmX+FdpF8MZ94lJkbZ+Y+x+tfnEafTueUdSH01nR:mXzKdNY49u8rV7/QkKInEaf5UE01nete

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe

Executes dropped EXE 2 IoCs

pid	Process
5028	ITS SB App Switch.exe
1544	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4440-132-0x0000000000DB0000-0x0000000000E50000-memory.dmp	upx
behavioral1/memory/4440-138-0x0000000000DB0000-0x0000000000E50000-memory.dmp	upx
behavioral1/memory/4440-139-0x0000000000DB0000-0x0000000000E50000-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
4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe
4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe
4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe
4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 5028	4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe	78
PID 4440 wrote to memory of 5028	4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe	78
PID 4440 wrote to memory of 5028	4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe	78
PID 4440 wrote to memory of 1544	4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe	79
PID 4440 wrote to memory of 1544	4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe	79
PID 4440 wrote to memory of 1544	4440	b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe	79

C:\Users\Admin\AppData\Local\Temp\b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe
"C:\Users\Admin\AppData\Local\Temp\b3ddfa3d790dae4c1b4a832930db98d3ccd5721d3dd676cd4fa8d627319ff150.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4440
- 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:5028
- 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:1544

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/4440-132-0x0000000000DB0000-0x0000000000E50000-memory.dmp

Filesize
640KB

Download
memory/4440-138-0x0000000000DB0000-0x0000000000E50000-memory.dmp

Filesize
640KB

Download
memory/4440-139-0x0000000000DB0000-0x0000000000E50000-memory.dmp

Filesize
640KB

Download