538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e

Analysis

max time kernel
166s
max time network
176s
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, 02:32

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General

Target

538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe
Size

277KB
MD5

c4376eed990b901cff2770ef21e73844
SHA1

9f4f6a10b90b91beeee108a469d1f34769916fc2
SHA256

538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e
SHA512

b79a8232aa8cef55618abb1d6a0c782f0a089e07e963d5e26a797ea868354395bfe7c3147eb84d650ab0c33ae2b5ea8c453f06764e2e44765578323a2db1e1bd
SSDEEP

6144:ZXzKdNY49u8rVHHrIczJTeB6IxACs2SK01nett:Ca4AsrFzU0IpLSK01C

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe

Executes dropped EXE 2 IoCs

pid	Process
4156	ITS SB App Switch.exe
508	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/4784-132-0x0000000000F40000-0x0000000000FE0000-memory.dmp	upx
behavioral1/memory/4784-133-0x0000000000F40000-0x0000000000FE0000-memory.dmp	upx
behavioral1/memory/4784-139-0x0000000000F40000-0x0000000000FE0000-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
4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe
4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe
4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe
4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 4156	4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe	82
PID 4784 wrote to memory of 4156	4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe	82
PID 4784 wrote to memory of 4156	4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe	82
PID 4784 wrote to memory of 508	4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe	83
PID 4784 wrote to memory of 508	4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe	83
PID 4784 wrote to memory of 508	4784	538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe	83

C:\Users\Admin\AppData\Local\Temp\538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe
"C:\Users\Admin\AppData\Local\Temp\538b0ae879f6b577b1de58f7517ae6f514bf6d2e8cbc92444be67319afa06a7e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4784
- 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:4156
- 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:508

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/4784-132-0x0000000000F40000-0x0000000000FE0000-memory.dmp

Filesize
640KB

Download
memory/4784-133-0x0000000000F40000-0x0000000000FE0000-memory.dmp

Filesize
640KB

Download
memory/4784-139-0x0000000000F40000-0x0000000000FE0000-memory.dmp

Filesize
640KB

Download