390d7472201e8ea9bdc6c7fa2b4ab1f6faca02071f1f997037cc5f52759a9cb6

Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

max time kernel
175s
max time network
315s
platform
windows10_x64
resource
win10-en-20211014
submitted
12-11-2021 18:04

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Report Analysis Logs

General

Target

infected dot net installer.exe
Size

1.7MB
MD5

6eb2b081d12ad12c2ce50da34438651d
SHA1

2092c0733ec3a3c514568b6009ee53b9d2ad8dc4
SHA256

1371b24900cbd474a6bc2804f0e79dbd7b0429368be6190f276db912d73eb104
SHA512

881d14d87a7f254292f962181eee79137f612d13994ff4da0eb3d86b0217bcbac39e04778c66d1e4c3df8a5b934cbb6130b43c0d4f3915d5e8471e9314d82c1b

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2900	._cache_infected dot net installer.exe
1104	Synaptics.exe
4084	Setup.exe

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-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International\Geo\Nation	infected dot net installer.exe

Loads dropped DLL 5 IoCs

pid	Process
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	infected dot net installer.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Setup.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	infected dot net installer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe
4084	Setup.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2900	2652	infected dot net installer.exe	69
PID 2652 wrote to memory of 2900	2652	infected dot net installer.exe	69
PID 2652 wrote to memory of 2900	2652	infected dot net installer.exe	69
PID 2652 wrote to memory of 1104	2652	infected dot net installer.exe	70
PID 2652 wrote to memory of 1104	2652	infected dot net installer.exe	70
PID 2652 wrote to memory of 1104	2652	infected dot net installer.exe	70
PID 2900 wrote to memory of 4084	2900	._cache_infected dot net installer.exe	71
PID 2900 wrote to memory of 4084	2900	._cache_infected dot net installer.exe	71
PID 2900 wrote to memory of 4084	2900	._cache_infected dot net installer.exe	71

C:\Users\Admin\AppData\Local\Temp\infected dot net installer.exe
"C:\Users\Admin\AppData\Local\Temp\infected dot net installer.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\._cache_infected dot net installer.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_infected dot net installer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\8ce1a7037ebfc3cc6882819e19\Setup.exe
    C:\8ce1a7037ebfc3cc6882819e19\\Setup.exe /x86 /x64 /web
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:4084
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  PID:1104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

memory/1104-125-0x0000000000550000-0x000000000069A000-memory.dmp

Filesize
1.3MB

Download
memory/2652-118-0x0000000000640000-0x000000000078A000-memory.dmp

Filesize
1.3MB

Download
memory/4084-172-0x0000000002C60000-0x0000000002C61000-memory.dmp

Filesize
4KB

Download