b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2023, 19:29

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General

Target

b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe
Size

277KB
MD5

135e1fad2d063032d22affb91e500d20
SHA1

53824fe4ff6ddbe0634bf7c4aba3aa62a240169b
SHA256

b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0
SHA512

0fffc8787649382bdf80ee3b5551c131cf83d165685dec4a3ff7fb102825f9ef33d74334c844f5abcdf60c2996e386ae71ddeac12e8c9200a7c9f45596cd56e8
SSDEEP

6144:6XzKdNY49u8rVPbjgT/TRPkTMekKi01netK:5a4ACHw/tPCNkv01F

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2072-134-0x00000000005E0000-0x0000000000680000-memory.dmp	upx
behavioral1/memory/2072-147-0x00000000005E0000-0x0000000000680000-memory.dmp	upx

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe

Executes dropped EXE 2 IoCs

pid	Process
3564	ITS SB App Switch.exe
2388	ITS SB App Switch.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe
2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe
2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe
2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3564	2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe	84
PID 2072 wrote to memory of 3564	2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe	84
PID 2072 wrote to memory of 3564	2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe	84
PID 2072 wrote to memory of 2388	2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe	85
PID 2072 wrote to memory of 2388	2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe	85
PID 2072 wrote to memory of 2388	2072	b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe	85

C:\Users\Admin\AppData\Local\Temp\b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe
"C:\Users\Admin\AppData\Local\Temp\b6fa7f27d6eab7dc2190b497f458786d5e0ddbfef7311ef7f92f5cc7c573f0f0.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2072
- 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:3564
- 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:2388

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/2072-134-0x00000000005E0000-0x0000000000680000-memory.dmp

Filesize
640KB

Download
memory/2072-147-0x00000000005E0000-0x0000000000680000-memory.dmp

Filesize
640KB

Download