398775636fcd308b9f1b78c3741d004a05a85831d9a8c14106462bc31d388a90

Analysis

max time kernel
178s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 15:08

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General

Target

77ef09fec41a20b67a1f2e89fb592113.exe
Size

41KB
MD5

77ef09fec41a20b67a1f2e89fb592113
SHA1

1fe663cf9e9c91f1cb3d691074d1d9ad4defe6ea
SHA256

398775636fcd308b9f1b78c3741d004a05a85831d9a8c14106462bc31d388a90
SHA512

9018a6c206b57b7e937ad46cffb457c2a2a15abfdcb3518655a5c20b0bd1d40e59cbfb3d515c987986d47a27e9146babcec995706b94f2dfaf328fb73b23ba77
SSDEEP

768:QIBar1ZIZYnfI9opm6AIHIjaI7g9mVmUn9oNE/W5dRV8:pW1ZIZqI9opm6AIHIjzmUWNzd

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	77ef09fec41a20b67a1f2e89fb592113.exe
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	sxhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	sxhost.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2412	1524	77ef09fec41a20b67a1f2e89fb592113.exe	92
PID 1524 wrote to memory of 2412	1524	77ef09fec41a20b67a1f2e89fb592113.exe	92
PID 1524 wrote to memory of 2412	1524	77ef09fec41a20b67a1f2e89fb592113.exe	92
PID 1524 wrote to memory of 1860	1524	77ef09fec41a20b67a1f2e89fb592113.exe	93
PID 1524 wrote to memory of 1860	1524	77ef09fec41a20b67a1f2e89fb592113.exe	93
PID 1524 wrote to memory of 1860	1524	77ef09fec41a20b67a1f2e89fb592113.exe	93
PID 2412 wrote to memory of 4772	2412	sxhost.exe	97
PID 2412 wrote to memory of 4772	2412	sxhost.exe	97
PID 2412 wrote to memory of 4772	2412	sxhost.exe	97

C:\Users\Admin\AppData\Local\Temp\77ef09fec41a20b67a1f2e89fb592113.exe
"C:\Users\Admin\AppData\Local\Temp\77ef09fec41a20b67a1f2e89fb592113.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\sxhost.exe
  "C:\Users\Admin\sxhost.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
    3⤵
    PID:4772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\77EF09~1.EXE >> NUL
  2⤵
  PID:1860

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\sxhost.exe

Filesize
41KB

MD5
77ef09fec41a20b67a1f2e89fb592113

SHA1
1fe663cf9e9c91f1cb3d691074d1d9ad4defe6ea

SHA256
398775636fcd308b9f1b78c3741d004a05a85831d9a8c14106462bc31d388a90

SHA512
9018a6c206b57b7e937ad46cffb457c2a2a15abfdcb3518655a5c20b0bd1d40e59cbfb3d515c987986d47a27e9146babcec995706b94f2dfaf328fb73b23ba77

Download Submit
memory/1524-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1524-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1524-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-44-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download