a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-04-2023 09:35

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General

Target

a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe
Size

277KB
MD5

f3d6fe4ad10b9aca69d7ff398ebf176c
SHA1

4bd09e8fb3132272fd096a5757a875d1cabb5cff
SHA256

a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f
SHA512

7f6e28fa85476657d6a3a3b120a9c9495b6009bdff2f2859c76c40c372edb74ef4d64c5af157f1aab4ff98eb38d13decccf039c5c67ef915016a27ff27f0fab8
SSDEEP

6144:EXzKdNY49u8rVkVWEriGtJjcWoy01netE:ra4AdVvri6Jp01r

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe

Executes dropped EXE 2 IoCs

pid	Process
4900	ITS SB App Switch.exe
3992	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/4416-134-0x0000000000AE0000-0x0000000000B80000-memory.dmp	upx
behavioral1/memory/4416-147-0x0000000000AE0000-0x0000000000B80000-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
4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe
4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe
4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe
4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 4900	4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe	85
PID 4416 wrote to memory of 4900	4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe	85
PID 4416 wrote to memory of 4900	4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe	85
PID 4416 wrote to memory of 3992	4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe	86
PID 4416 wrote to memory of 3992	4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe	86
PID 4416 wrote to memory of 3992	4416	a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe	86

C:\Users\Admin\AppData\Local\Temp\a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe
"C:\Users\Admin\AppData\Local\Temp\a3253e50c43747835a6dfb8c635fd6af6c1919850f9c249c6965c3d67866890f.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4416
- 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:4900
- 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:3992

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/4416-134-0x0000000000AE0000-0x0000000000B80000-memory.dmp

Filesize
640KB

Download
memory/4416-147-0x0000000000AE0000-0x0000000000B80000-memory.dmp

Filesize
640KB

Download