Behavioral Report

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2023 19:40

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Report Files Registry Network Processes Mutex Misc

General

Target

file.exe
Size

3MB
MD5

69101e26faea9e8412c011ab73da7e92
SHA1

1e72408118f740c4dfaca4ba157bb07c55ad9b1c
SHA256

67a7f99493b62e553232daac052b6382ddf57eb5661ee08ea0fa769d92ca6090
SHA512

5c977e5cb9f755fe010c78f4cdb86f2f0a73bb9d1f7247e6761f4bd64023ed9d985378aeac663a0bb11dffcbc61b2bb7f7fbff58d51a1d1cbe0e8f5e51edbfe0
SSDEEP

98304:AqNHddSy2xT3SJ0vsw4AHCJpV/82TJNK+gT9/69CzFc7P7CbM5zD6sILTjblMS0u:rjV/pNK+gMwz+i4osI3jhMSN

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Loads dropped DLL 10 IoCs

Processes:

file.exe

pid process

4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
4040 file.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

TTPs:

Data from Local System Credentials in Files
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

TTPs:

Data from Local System Credentials in Files
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

TTPs:

Query Registry
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ipinfo.io
2 ipinfo.io
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1564 4040 WerFault.exe file.exe

pid	process
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe
4040	file.exe

flow	ioc
1	ipinfo.io
2	ipinfo.io

pid	pid_target	process	target process
1564	4040	WerFault.exe	file.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

TTPs:

Query Registry System Information Discovery

Processes:

file.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

4040 file.exe
4040 file.exe

pid	process
4040	file.exe
4040	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Loads dropped DLL
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses

PID:4040

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 1452

Program crash

PID:1564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4040 -ip 4040

PID:1388

Network

MITRE ATT&CK Matrix

Collection

Data from Local System

T1005

Command and Control

Credential Access

Credentials in Files

T1081

Defense Evasion

Discovery

Query Registry

T1012

System Information Discovery

T1082

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\nss3.dll
Filesize
1MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\softokn3.dll
Filesize
141KB

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\LocalSimbaPewZ6wmpUrS\softokn3.dll
Filesize
141KB

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit