f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb

Analysis

max time kernel
77s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 21:37

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General

Target

f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe
Size

277KB
MD5

42aa09866e1f76f09357e6503d95cb2c
SHA1

e4fc0d327a1c3c6ed5892c7e8e8ef09215f4628c
SHA256

f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb
SHA512

4d381d786ba804b49af3343dc56e7a9ef11a49e5e219c74200e50082be2bb445407e75e4e00c8b0bac3c1ebdb97cf1ee3afac84d4a47be8145210e9c4deeec7a
SSDEEP

3072:tNXEGZJWhfNFC4S60+XoLczrVmXSsGe/YkRdfZNL+C5LYZNO5McAx9Lh4H01ne4p:rXzKdNY49u8rVoHr3Mi5McwM01netw

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe

Executes dropped EXE 2 IoCs

pid	Process
1332	ITS SB App Switch.exe
3376	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/3316-133-0x0000000000810000-0x00000000008B0000-memory.dmp	upx
behavioral1/memory/3316-147-0x0000000000810000-0x00000000008B0000-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
3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe
3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe
3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe
3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 1332	3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe	86
PID 3316 wrote to memory of 1332	3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe	86
PID 3316 wrote to memory of 1332	3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe	86
PID 3316 wrote to memory of 3376	3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe	87
PID 3316 wrote to memory of 3376	3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe	87
PID 3316 wrote to memory of 3376	3316	f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe	87

C:\Users\Admin\AppData\Local\Temp\f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe
"C:\Users\Admin\AppData\Local\Temp\f5ae3d383c0a7157be8b6e850c0b34e4fc276c4e8b20ff757e4a7895b1f559bb.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3316
- 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:1332
- 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:3376

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/3316-133-0x0000000000810000-0x00000000008B0000-memory.dmp

Filesize
640KB

Download
memory/3316-147-0x0000000000810000-0x00000000008B0000-memory.dmp

Filesize
640KB

Download