1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c

Analysis

max time kernel
127s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 02:32

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General

Target

1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe
Size

277KB
MD5

c3d2b775500630a87800c1501344b758
SHA1

cf884a77b6e0bb0bd5eae1abe061e6d1fa8c5bb8
SHA256

1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c
SHA512

6359efad9845ca285a991c931dc49a4ea6285d4afd5866e379946334a19d15576836779f2675a36ae04675833cb75c7b82a4988667acf2b3dda2ba57e26fdc0d
SSDEEP

6144:LXzKdNY49u8rVrvCmczSlUHURod901netJ:Ua4A2amczSLoX01u

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe

Executes dropped EXE 2 IoCs

pid	Process
4496	ITS SB App Switch.exe
604	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/2780-136-0x0000000000090000-0x0000000000130000-memory.dmp	upx
behavioral1/memory/2780-137-0x0000000000090000-0x0000000000130000-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
2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe
2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe
2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe
2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 4496	2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe	81
PID 2780 wrote to memory of 4496	2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe	81
PID 2780 wrote to memory of 4496	2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe	81
PID 2780 wrote to memory of 604	2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe	82
PID 2780 wrote to memory of 604	2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe	82
PID 2780 wrote to memory of 604	2780	1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe	82

C:\Users\Admin\AppData\Local\Temp\1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe
"C:\Users\Admin\AppData\Local\Temp\1ef1572db58ef4de3668e4992d2b5c3833e0531716deb74bdec20db7519e679c.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2780
- 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:4496
- 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:604

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
memory/2780-136-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download
memory/2780-137-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download