MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e
SHA3-384 hash: 5cf4554364a5a7159c43b11e3c8b9ea9ebfed4121eace990473a38a4253a1253ec7fbe7fd5a242673dbd1143cc17404a
SHA1 hash: 8c91835859dea48ce23326f83d965fcfe3d30363
MD5 hash: beb149595ce92039e9067b46f231dc32
humanhash: undress-red-floor-zebra
File name:beb149595ce92039e9067b46f231dc32
Download: download sample
Signature Formbook
Create hunting rule
File size:860'160 bytes
First seen:2023-02-04 04:57:16 UTC
Last seen:2023-02-04 06:33:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:UhefaqG4yPaC6Fy2MxzBembh43Bqs35oXyqbYEF8iD5MAgWFA2xZK83:yeSqG4yPaC6F0xdRFmBAfeoZgWFzd
TLSH T194058EA337B199B2F78720B20434BA885BF07503BE56E2939BB737C06785DB77294152
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
beb149595ce92039e9067b46f231dc32
Verdict:
Malicious activity
Analysis date:
2023-02-04 04:59:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a1934483-5552-4b82-8153-1be48857b532

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/360151/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.38907.28254.7416.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/63dde5db905a5ac3b9096d33/reports/5d0add85-5b0b-4a70-a8ca-c36d43233e33/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ead5c521-7c14-4c1b-a413-abb255abe386
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1165654
Signature
Antivirus detection for URL or domain
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 798425 Sample: 7721gAhU6K.exe Startdate: 04/02/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 8 7721gAhU6K.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\7721gAhU6K.exe.log, ASCII 8->22 dropped 52 Injects a PE file into a foreign processes 8->52 12 7721gAhU6K.exe 8->12         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 1 12->15 injected process8 dnsIp9 24 www.bitcoinmachinenewyork.com 199.85.210.18, 49702, 49703, 80 VIMRO-AS15189US United States 15->24 26 www.bmmyi5k.shop 154.12.33.32, 49706, 49707, 80 UNMETEREDCA United States 15->26 28 13 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Performs DNS queries to domains with low reputation 15->32 34 Uses ipconfig to lookup or modify the Windows network settings 15->34 19 ipconfig.exe 13 15->19         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 19->44 46 Tries to harvest and steal browser information (history, passwords, etc) 19->46 48 Deletes itself after installation 19->48 50 2 other signatures 19->50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-03 13:10:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iwnkekbh5vvbhl4dthhwk25hnmpzkopnwmef74zfnacocepvfspa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230204-flte7afh31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
9bfbb42fc88543f9a30515fb1fcb13712653af474739aaa604f0901d16af93c9
MD5 hash:
9a43a96a9a86c11c11dcd55674af54f9
SHA1 hash:
243fadde5d2c3d164712eb5d40f1d7084cdeac8c
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
Parent samples :
55d131fb7bf3d455edf038190cc1d69db3bf700a305e5e2f00a2e2fb46475380
459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e
SH256 hash:
5c5ef48c34898ce952c18b75ce9cfc478c2b1535c1587e9f0ea2496cf0a48317
MD5 hash:
0f1b6adcc3cf7a7346e6e5237f9f45f1
SHA1 hash:
c9dbc1b0675d031f5b88068e6e6cd7a73383d7b3
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
SH256 hash:
356301d95b1813ef3978de05be99e0e7fc134a8e9c6b87f548055b33676db305
MD5 hash:
e42fde3027abcb0f832429c5e5882b9e
SHA1 hash:
c435c0e342f87836ab006069bc5d8e4f1a5594fa
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
SH256 hash:
cdf3277dcb3338e96418f2620a26457855c43c8f5ddf751b21ea1bf29438810b
MD5 hash:
52f36f87679c24bddbbb644ea1e273b7
SHA1 hash:
29bf08be1d5e0eee68ef909b92c5acea111df4ae
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
SH256 hash:
459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e
MD5 hash:
beb149595ce92039e9067b46f231dc32
SHA1 hash:
8c91835859dea48ce23326f83d965fcfe3d30363
Link:
https://www.unpac.me/results/446284e7-b7f8-497a-ad82-fade109e0f0c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/459aa22827ed/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e

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: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 459aa22827ed6a13af8399cf656ba76b1f9539edb3085ff3256804e111f52c9e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2529745/
Cape
Cape
https://www.capesandbox.com/analysis/360151/

Comments


Avatar
zbet commented on 2023-02-04 04:57:20 UTC

url : hxxp://38.153.157.57/76/vbc.exe