a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b

Analysis

max time kernel
81s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2023, 16:58

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General

Target

a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe
Size

277KB
MD5

a3f7962939069ba7de9a347cafb51daf
SHA1

8e70f75df816983c4a488abe1acdfc1ea7dc526c
SHA256

a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b
SHA512

de5a05329583fe252154d3a26facead40397f5861711cf1797b7a0cde9a0d160fe0ff8cf7794c9fdabd19435c1f5e1f957619c8ac4b7a099217e097544f01074
SSDEEP

6144:+XzKdNY49u8rVni32s9mdB7Les+eFMBxIeOl01netJ0:Fa4AUsMBu/eF+el01Z

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe

Executes dropped EXE 2 IoCs

pid	Process
3536	ITS SB App Switch.exe
1884	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/3984-133-0x0000000000FF0000-0x0000000001090000-memory.dmp	upx
behavioral1/memory/3984-147-0x0000000000FF0000-0x0000000001090000-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
3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe
3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe
3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe
3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 3536	3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe	86
PID 3984 wrote to memory of 3536	3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe	86
PID 3984 wrote to memory of 3536	3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe	86
PID 3984 wrote to memory of 1884	3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe	87
PID 3984 wrote to memory of 1884	3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe	87
PID 3984 wrote to memory of 1884	3984	a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe	87

C:\Users\Admin\AppData\Local\Temp\a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe
"C:\Users\Admin\AppData\Local\Temp\a5a327ebf2701e3fde411699b7c54baba1e2bb77c3ef289b5b6e0ab2be77334b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3984
- 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:3536
- 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:1884

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/3984-133-0x0000000000FF0000-0x0000000001090000-memory.dmp

Filesize
640KB

Download
memory/3984-147-0x0000000000FF0000-0x0000000001090000-memory.dmp

Filesize
640KB

Download