acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
28/11/2022, 06:36

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General

Target

acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
Size

1.4MB
MD5

00db48da4fc9a6ae8a29eaa8a65a5bbf
SHA1

c7a4db8ca7f729b8b643c36879969af8d5f49af4
SHA256

acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3
SHA512

b90677c4993010452e0be392a0ec90dd1599ae0848089994ae176a48e76dfb852959344f992aef3afdd54a43b88f30d9f3384fbb8943297c5dbf1df1520eed38
SSDEEP

24576:P3ll3TMV5V6Xsl3ZD/ebRwIG5/5E+BOJLHp:fb3TM/VjltWbRwny9JLJ

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4488-136-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral2/memory/4488-137-0x0000000000400000-0x000000000063E000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe"	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4488	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f7308f55439461da32d508355075b019fe219a3091f67dadb858c90e838b9130027b987cde2dac559fb299c8dcb68d655db5e119c7904db7983352dae59fd99d8fafdafc1c94bd350f197c41fab2ed5a593677f666d641f67e6f813cdc01035debe3543	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DBx8l2APAalTwqztls8pv9G3YxF2oPUwh77rDnCPTdIBIlpKRXnLDNPddkZIWPS1dQ=="	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4900	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
4488	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 4488	4900	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe	80
PID 4900 wrote to memory of 4488	4900	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe	80
PID 4900 wrote to memory of 4488	4900	acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe	80

C:\Users\Admin\AppData\Local\Temp\acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
"C:\Users\Admin\AppData\Local\Temp\acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Users\Admin\AppData\Local\Temp\acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe
  "C:\Users\Admin\AppData\Local\Temp\acff4632818930fc1cdc03bc7a119f910d5ef177c2af7abd05b36266569649f3.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4488

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/4488-134-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4488-136-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4488-137-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4900-132-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4900-135-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads