43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53

Analysis

max time kernel
135s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2023 23:47

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General

Target

43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe
Size

277KB
MD5

13898f18d80cd87f0a9f7a4186343a20
SHA1

827e30459fe0a98fd40ca99106aa7c55b505766a
SHA256

43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53
SHA512

d0e9bbfe09b4719e8f61f10e9351334710e1dfc11ba27371069ee8ae56416081a0bf58fa03acaa56cd0778d5fb0a0bf01446a8c6e01e79bb18fa90a4f6cc67ab
SSDEEP

6144:4XzKdNY49u8rVu8zJTeB6IxACs2z01netg:na4A2zU0IpLz01n

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe

Executes dropped EXE 2 IoCs

pid	Process
4616	ITS SB App Switch.exe
3132	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/2620-132-0x00000000009C0000-0x0000000000A60000-memory.dmp	upx
behavioral1/memory/2620-137-0x00000000009C0000-0x0000000000A60000-memory.dmp	upx
behavioral1/memory/2620-138-0x00000000009C0000-0x0000000000A60000-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
2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe
2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe
2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe
2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 4616	2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe	80
PID 2620 wrote to memory of 4616	2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe	80
PID 2620 wrote to memory of 4616	2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe	80
PID 2620 wrote to memory of 3132	2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe	81
PID 2620 wrote to memory of 3132	2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe	81
PID 2620 wrote to memory of 3132	2620	43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe	81

C:\Users\Admin\AppData\Local\Temp\43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe
"C:\Users\Admin\AppData\Local\Temp\43e6646b9f235c8f00da1de91757511f76e5816e25340446058181d8222aaf53.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2620
- 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:4616
- 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:3132

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
memory/2620-132-0x00000000009C0000-0x0000000000A60000-memory.dmp

Filesize
640KB

Download
memory/2620-137-0x00000000009C0000-0x0000000000A60000-memory.dmp

Filesize
640KB

Download
memory/2620-138-0x00000000009C0000-0x0000000000A60000-memory.dmp

Filesize
640KB

Download
memory/3132-135-0x0000000000000000-mapping.dmp

Download
memory/4616-133-0x0000000000000000-mapping.dmp

Download