b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1f

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:09

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General

Target

b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe
Size

36KB
MD5

15a0846b2a721f78d5deff6641c38f00
SHA1

46b9be861e14dda3e63384dd6924fc48867f798f
SHA256

b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1f
SHA512

70c5cf63d4209d2c75e5a140956bf16d436e186eb9617f6fe823cf4a204844d68e5d2b056f6452a947e4e71b39c5e1a7954e135dfb366e082d8a55327aadf5e4
SSDEEP

384:MApc8m4e0GvQak4JI341C0abnk6hJPohjLmyGF:MApQr0GvdFJI34qTk6hJPoVi3

Score

7^/10

discovery

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe

Executes dropped EXE 1 IoCs

pid	Process
3928	sal.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\sal.exe	b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 3928	2016	b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe	82
PID 2016 wrote to memory of 3928	2016	b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe	82
PID 2016 wrote to memory of 3928	2016	b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe	82

C:\Users\Admin\AppData\Local\Temp\b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe
"C:\Users\Admin\AppData\Local\Temp\b87d54cf85a9fbd0722c28caacd7b6e59d759d81becb634c98a26983bc46be1fN.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016
- C:\windows\SysWOW64\sal.exe
  "C:\windows\system32\sal.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\sal.exe

Filesize
36KB

MD5
df3889d4659a1c0ce9677122b359d599

SHA1
117f48d2ee12f3dd12138dd20d9bbb486a90caea

SHA256
199d7266c108b789155813c5876ca84aef5abe4178bb100aaacce74e2d568fbc

SHA512
6b341b9053a8c7ea23e3d8dddc7f7e1120ca57f1edfeb5e5ea419b28c376ab13a1dcb336c59fdad700009c16a1c6c8e3138f162f4532bf68387000ca7b9f583b

Download Submit
memory/2016-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2016-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3928-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download