857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6

Analysis

max time kernel
83s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2023, 02:04

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General

Target

857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe
Size

277KB
MD5

8d1f3ccfebf700effe1a11e93f7e23a7
SHA1

c10830fd7fe66c2f657cbba16158f8022525381d
SHA256

857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6
SHA512

fa90a8fb531bfebf2061f30a7dc1cd0c6f4cbedf1e1a93b390415a753593e601b7f41139aab51a0bb5ca377dcaecb225fb10f70472793e8f59fb903a4cd58519
SSDEEP

6144:IXzKdNY49u8rVSV37DAASgv3IXNPhg01net9:3a4AjDZSgvKg016

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	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe

Executes dropped EXE 2 IoCs

pid	Process
4048	ITS SB App Switch.exe
2088	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/5040-133-0x0000000000490000-0x0000000000530000-memory.dmp	upx
behavioral1/memory/5040-143-0x0000000000490000-0x0000000000530000-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
5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe
5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe
5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe
5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4048	5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe	84
PID 5040 wrote to memory of 4048	5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe	84
PID 5040 wrote to memory of 4048	5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe	84
PID 5040 wrote to memory of 2088	5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe	85
PID 5040 wrote to memory of 2088	5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe	85
PID 5040 wrote to memory of 2088	5040	857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe	85

C:\Users\Admin\AppData\Local\Temp\857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe
"C:\Users\Admin\AppData\Local\Temp\857df8d14f941f96544e355d2cdd8a418b8d54785a3d99ac5e6b95e180b36eb6.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5040
- 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:4048
- 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:2088

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
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/5040-133-0x0000000000490000-0x0000000000530000-memory.dmp

Filesize
640KB

Download
memory/5040-143-0x0000000000490000-0x0000000000530000-memory.dmp

Filesize
640KB

Download