f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9

Analysis

max time kernel
60s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 06:28

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General

Target

f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe
Size

277KB
MD5

ae09dcac2f5bb6f0c29694ddc5b4d1f1
SHA1

4cb8bd1e121731658db26ccc493a4c03be3c3305
SHA256

f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9
SHA512

bdc1ce046808dd3688eb6ef045861d0f6570919d5cf2be210bb9fce59e6ca8e4daa519fab7b559f2914b408cb3598957761b5ad3c0b4cf61955c66facd6b297b
SSDEEP

6144:PXzKdNY49u8rVFaKCmhV7k1QXzF5O801netV:Qa4ApS/7lXi801+

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe

Executes dropped EXE 2 IoCs

pid	Process
1536	ITS SB App Switch.exe
3076	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/3248-132-0x0000000000BC0000-0x0000000000C60000-memory.dmp	upx
behavioral1/memory/3248-138-0x0000000000BC0000-0x0000000000C60000-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
3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe
3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe
3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe
3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 1536	3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe	83
PID 3248 wrote to memory of 1536	3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe	83
PID 3248 wrote to memory of 1536	3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe	83
PID 3248 wrote to memory of 3076	3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe	84
PID 3248 wrote to memory of 3076	3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe	84
PID 3248 wrote to memory of 3076	3248	f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe	84

C:\Users\Admin\AppData\Local\Temp\f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe
"C:\Users\Admin\AppData\Local\Temp\f1b157d9494c5527be8a5ced214eaa915ca5780397199440f790e1667d70e7f9.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3248
- 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:1536
- 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:3076

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/3248-132-0x0000000000BC0000-0x0000000000C60000-memory.dmp

Filesize
640KB

Download
memory/3248-138-0x0000000000BC0000-0x0000000000C60000-memory.dmp

Filesize
640KB

Download