MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
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SHA256 hash: b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710
SHA3-384 hash: d1d3ed6c9dfc71535caf2e31f0c980d743cf1a3579a1f3a41de5d596dc2841d1209d869446284d9805f44fe3a57ae6f8
SHA1 hash: 8d62a8780080340e42046dd40185da0f9207a9f7
MD5 hash: fecd6f2a5e4a94cc09b721727a86295d
humanhash: nitrogen-golf-maryland-emma
File name:b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710
Download: download sample
Signature Formbook
Create hunting rule
File size:186'368 bytes
First seen:2023-02-13 07:07:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:gPEUkhyXt4Dg3h4IM2GH4j7evbUluEApIpZ7HYrqHbq5cPmmDU:tBuhFMDYj7ev4luXpIYrqHis
TLSH T1C104AE36D642C031F1B251B4F67D0B7B883D0E357255A4EAE3E21AE12EE45A5F42931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710
Verdict:
No threats detected
Analysis date:
2023-02-13 07:28:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c3972751-cc0a-4b2b-9ea1-ca6895b1dd49

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/364810/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
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Win.Malware.Formbook-9951997-0
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Win.Malware.Formbook-9964980-0
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/63e9e1ad19bdad8346355dc3/reports/e9fd0be4-81fc-48bd-a344-b3d0248711f9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710
Result
Verdict:
MALICIOUS
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d29d9457-125b-4e1b-bd7d-6102c7a7133a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173055
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 805845 Sample: HY2IrsLMoN.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 28 www.53538p.com 2->28 30 glfpwr5.impervadns.net 2->30 32 700cp.bcvpeaoobv40.com 2->32 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 5 other signatures 2->50 10 HY2IrsLMoN.exe 2->10         started        signatures3 process4 signatures5 52 Modifies the context of a thread in another process (thread injection) 10->52 54 Maps a DLL or memory area into another process 10->54 56 Sample uses process hollowing technique 10->56 58 2 other signatures 10->58 13 explorer.exe 4 12 10->13 injected process6 dnsIp7 34 kheloindia.online 109.106.251.214, 49699, 80 NETNET-ASRS Serbia 13->34 36 www.blackwineclub.com 142.93.68.156, 49697, 80 DIGITALOCEAN-ASNUS United States 13->36 38 2 other IPs or domains 13->38 60 System process connects to network (likely due to code injection or exploit) 13->60 17 msiexec.exe 13->17         started        20 autochk.exe 13->20         started        22 autofmt.exe 13->22         started        signatures8 process9 signatures10 40 Modifies the context of a thread in another process (thread injection) 17->40 42 Maps a DLL or memory area into another process 17->42 24 cmd.exe 1 17->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-02-13 07:08:07 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsxjbov37bp3cn6bopn4nkdzdsnubj6zwmvlodxyckchg3dig4ia._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sy22 rat
Link:
https://tria.ge/reports/230213-hxp81sah8v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710
MD5 hash:
fecd6f2a5e4a94cc09b721727a86295d
SHA1 hash:
8d62a8780080340e42046dd40185da0f9207a9f7
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e7c4a1b5-abf4-4765-9d97-c4dd7e8e5428/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4ae90babbf8/report/overview.html
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/b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/364810/

Comments