e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

Analysis

max time kernel
95s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 23:09

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General

Target

e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe
Size

41KB
MD5

095be71db8bf27fc4db5e414ccc2ee31
SHA1

7d101711ed050ee4fdbf8bb1f9504938e6a02aea
SHA256

e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac
SHA512

4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066
SSDEEP

768:QIBar1ZIZYnfI9opm6AIHIjaI7g9mVmUnioNE/W5dRV8:pW1ZIZqI9opm6AIHIjzmUzNzd

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3400	sxhost.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	sxhost.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 3400	4996	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe	82
PID 4996 wrote to memory of 3400	4996	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe	82
PID 4996 wrote to memory of 3400	4996	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe	82
PID 4996 wrote to memory of 5068	4996	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe	83
PID 4996 wrote to memory of 5068	4996	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe	83
PID 4996 wrote to memory of 5068	4996	e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe	83
PID 3400 wrote to memory of 1728	3400	sxhost.exe	85
PID 3400 wrote to memory of 1728	3400	sxhost.exe	85
PID 3400 wrote to memory of 1728	3400	sxhost.exe	85

C:\Users\Admin\AppData\Local\Temp\e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe
"C:\Users\Admin\AppData\Local\Temp\e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Users\Admin\sxhost.exe
  "C:\Users\Admin\sxhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
    3⤵
    PID:1728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E81CF1~1.EXE >> NUL
  2⤵
  PID:5068

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\sxhost.exe

Filesize
41KB

MD5
095be71db8bf27fc4db5e414ccc2ee31

SHA1
7d101711ed050ee4fdbf8bb1f9504938e6a02aea

SHA256
e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

SHA512
4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

Download Submit
C:\Users\Admin\sxhost.exe

Filesize
41KB

MD5
095be71db8bf27fc4db5e414ccc2ee31

SHA1
7d101711ed050ee4fdbf8bb1f9504938e6a02aea

SHA256
e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

SHA512
4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

Download Submit
memory/3400-138-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3400-140-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4996-132-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4996-137-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download