a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29

Analysis

max time kernel
160s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:52

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General

Target

a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe
Size

920KB
MD5

b16483ce516aa195f1d2d507862008bf
SHA1

8634266908e1d838df295c3df875810e579ad53c
SHA256

a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29
SHA512

aec35315b5542e2004a600a8bc069d61c418abe07a07106d0cea2ae3e3be04e51f682fbba43652dc9e47547bfe7ed20673a79acab0e0065bc6ae2d0b06f019dd
SSDEEP

24576:lz9a33O6Krm6/gUol8CAcq/+u5PzfRVY:lzbdm6/gU8Vd8f

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2080-133-0x0000000000400000-0x0000000000642000-memory.dmp	upx
behavioral2/memory/2080-135-0x0000000000400000-0x0000000000642000-memory.dmp	upx
behavioral2/memory/2080-136-0x0000000000400000-0x0000000000642000-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

Processes:

a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe"	a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.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

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main	a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = e980f97f7389a829dcec0f517a5eaf7935a789f2aba1f437028b681ca4b6d391f70eec75a42074ab16c6acce0ea965a3b000ac644eccb38dc9086696c0e62a7ddeb7530c11ead49c27773463792f0891516c739413677f086fb783d0e21b75e5eec00aa6f1a40e	a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DC4/TlT8jpnQ3sTZPWd5VTbM/Vxrr6MYGh581RfRXkRXs/NxOaA/bcMRed2Oy6KV7Q=="	a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe

C:\Users\Admin\AppData\Local\Temp\a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe
"C:\Users\Admin\AppData\Local\Temp\a88c20f42b3c3618675775631c750da9ab0a1a944a372fa71d85100d95f37d29.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
PID:2080

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/2080-132-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2080-133-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2080-135-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2080-136-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download