MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 056a418a5845dd5395833d8ec888e661712004bb0d4aa4c7bd7cf3bf87325085. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 056a418a5845dd5395833d8ec888e661712004bb0d4aa4c7bd7cf3bf87325085
SHA3-384 hash: c752b6e803e824c1e2b99e54b13babe9350361cf0d72aeadb1a215abc56b487b745ad7ab21289a93c2d79917a135f868
SHA1 hash: 7fe065dc63cbb5ae6d2cf7f9d52905f36d43009e
MD5 hash: 585108bc80d6300112409aa76ca987c9
humanhash: earth-illinois-skylark-victor
File name:west.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:66'448 bytes
First seen:2022-11-10 07:42:08 UTC
Last seen:2022-11-10 09:52:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:mZ7vPUEc33qYk0qNb7xuI7uO116noeZyi0:mNY33qDnN3xuI7u06KJ
Threatray 3'006 similar samples on MalwareBazaar
TLSH T1A053B59D721472CFC857C472DAA83C68EEA874B7931F4203946355AE9E0D99BCF250F2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter JAMESWT_WT
Tags:exe FormBook scarenx-gq

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
west.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 07:44:19 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fde91808-29fb-4976-9026-a0466c1caff2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/331765/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/636cab8720a0b4943a8eb453/reports/30c2add2-d5fe-41b8-9a61-1e7cf2d8e3c9/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d177a2cc-9ac9-46c2-9ea4-dfd3db070a59
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1110149
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
PE file has nameless sections
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 742828 Sample: west.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 5 other signatures 2->43 8 west.exe 15 3 2->8         started        process3 dnsIp4 31 scarenx.gq 162.240.48.131, 443, 49696, 49697 UNIFIEDLAYER-AS-1US United States 8->31 23 C:\Users\user\AppData\Local\...\west.exe.log, CSV 8->23 dropped 53 Writes to foreign memory regions 8->53 55 Allocates memory in foreign processes 8->55 57 Injects a PE file into a foreign processes 8->57 59 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->59 13 aspnet_compiler.exe 8->13         started        file5 signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.vr360heros.com 156.254.145.14, 49704, 49705, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 16->25 27 www.sarahpike.co.uk 217.160.0.128, 49701, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->27 29 3 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 35 Performs DNS queries to domains with low reputation 16->35 20 msiexec.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/056a418a5845dd5395833d8ec888e661712004bb0d4aa4c7bd7cf3bf87325085/
Threat name:
ByteCode-MSIL.Trojan.Hesv
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 07:43:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=avvedcsyixovhfmdhwhmrchgmfysabf3bvfkjr55ptz37bzskccq._file
Verdict:
malicious
Similar samples:
2218cb9e3e826feb6be7d7d10b279f8dc34b57b6a9f981fd98fb1591529be1aa
Formbook
226abb03563c18970c9c94a4ab6e348d635504ae596a6e52b08d200eb7aa9b06
Formbook
3b3c1e4ea9054675c0c55e4978755e4574caaebe81102b1dac7d28b8f8c73833
Formbook
575c947f3754f0fbd194dbe3e99b7ac804c4e9fcb8b0dab89bb72175cc5d3cab
Formbook
7ac48628de4b567db12b4af67071cd3cf1279a3dced5a71cf3e9cba664f4f43a
Formbook
9e8d2ee7835538d72e68dab5d7fec7e3fc1710147f679f1fc3045e14bfb42848
Formbook
c7dfb5506ce5f7bfee82f1de42b5054c0edc165a6fc165a41886a8c23c83420c
Formbook
dc66eb80a4d03ca5ccedc75ff42840c6c8fe9518d73483bd14e042bd5e466938
Formbook
+ 2'996 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:tu7g rat spyware stealer trojan
Link:
https://tria.ge/reports/221110-jj8zmshgdp/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8a5c35ff-ba37-4bd0-90ea-85d419761eb5
Unpacked files
SH256 hash:
056a418a5845dd5395833d8ec888e661712004bb0d4aa4c7bd7cf3bf87325085
MD5 hash:
585108bc80d6300112409aa76ca987c9
SHA1 hash:
7fe065dc63cbb5ae6d2cf7f9d52905f36d43009e
Link:
https://www.unpac.me/results/ee2d5329-006c-48c5-ab72-a902e21f0c3d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/056a418a5845dd5395833d8ec888e661712004bb0d4aa4c7bd7cf3bf87325085

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 056a418a5845dd5395833d8ec888e661712004bb0d4aa4c7bd7cf3bf87325085

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/331765/
  
URLhaus
https://urlhaus.abuse.ch/url/2406584/
  
Delivery method
Distributed via web download

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