MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb
SHA3-384 hash: 3e642ffc464beaf039a13d984c6248610560b03686981f9e9b52bee31f02f247b15ec0ccf5e23940712418641e473f38
SHA1 hash: f08aa50d0dce7360feb4ed45be81f3987e2b8185
MD5 hash: bc08c5debb3419808915c16751835618
humanhash: princess-kilo-magazine-massachusetts
File name:bank details.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:435'200 bytes
First seen:2021-04-01 07:26:57 UTC
Last seen:2021-04-01 13:04:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:3ZloV5YQI/jtxWM7beDFZm23tNGm1tFU7tqRRsWElGXdruo31q4RJ9kCA:3ZloV5bC/oztNGmmQ6DGluo31xcf
Threatray 4'496 similar samples on MalwareBazaar
TLSH 9D94BEF536E85B06F07EEBF86861100193F4A57E86E6D60D2D9810DE1872FB195A2F33
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: allwaystravelling.com
Sending IP: 103.125.191.170
From: pagos@allwaystravelling.com
Reply-To: pagos.allwaystravelling.com<xmgtsale10@gmail.com>
Subject: FW:RE: CONFIRM AND RESEND INVOICE FOR PAYMENT
Attachment: bank details.ace (contains "bank details.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bank details.exe
Verdict:
Malicious activity
Analysis date:
2021-04-01 07:56:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8a1b7385-c352-4614-9ab4-5d9059404eb7

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/130520/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.576-3.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/661848
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 379859 Sample: bank details.exe Startdate: 01/04/2021 Architecture: WINDOWS Score: 100 45 www.856379765.xyz 2->45 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for dropped file 2->59 61 12 other signatures 2->61 11 bank details.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\RQwooypj.exe, PE32 11->37 dropped 39 C:\Users\...\RQwooypj.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpD865.tmp, XML 11->41 dropped 43 C:\Users\user\...\bank details.exe.log, ASCII 11->43 dropped 14 MSBuild.exe 11->14         started        17 MSBuild.exe 11->17         started        19 schtasks.exe 1 11->19         started        21 2 other processes 11->21 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 23 explorer.exe 14->23 injected 73 Tries to detect virtualization through RDTSC time measurements 17->73 27 conhost.exe 19->27         started        process8 dnsIp9 47 www.haoshi68.com 164.155.20.27, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS South Africa 23->47 49 www.2k20-aide.com 20.43.32.222, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->49 51 7 other IPs or domains 23->51 63 System process connects to network (likely due to code injection or exploit) 23->63 29 wlanext.exe 12 23->29         started        signatures10 process11 dnsIp12 53 www.2k20-aide.com 29->53 75 Modifies the context of a thread in another process (thread injection) 29->75 77 Maps a DLL or memory area into another process 29->77 79 Tries to detect virtualization through RDTSC time measurements 29->79 33 cmd.exe 1 29->33         started        signatures13 process14 process15 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnyoj7ciny27hcg3azp7r4mh6vniedgprtuq6dtfn72vvkqnl7nq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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1432f0240c91b7439722df807e35ef9b4cc9b126f3e5d42cedb27b28751118d7
Formbook
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
3803dec5e2ab718dedda091e9ee84b588545614ae3d54aa78d956cec21128fda
Formbook
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Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
cfc09cd2a2109a174ccbc346779f2e19316be4601173e2e85c3e4314cc139017
Formbook
d853a2c5b2ea683d568bc9065aa37ed906e46eacaef2412173cdb7a04214db2a
Formbook
dc5f7d89ab2465597ff7fa9f544326613aeaab2afa6e2e457ba5fc0da15bd450
Formbook
ddaa3b6f19f3e7b9a6e8ebe8188ceea0d1bb0c285a0b2d783c8d0cc7005e37a6
Formbook
+ 4'486 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210401-16144dmzln/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.trendyheld.com/edbs/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/5973ea14-81ad-489a-ba2a-7b515f46e992/
SH256 hash:
3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb
MD5 hash:
bc08c5debb3419808915c16751835618
SHA1 hash:
f08aa50d0dce7360feb4ed45be81f3987e2b8185
Link:
https://www.unpac.me/results/5973ea14-81ad-489a-ba2a-7b515f46e992/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

ace 26056178e6fa24a828e57c46421c787153d3c48eac760bdf027c64df280abffe

Formbook

Executable exe 3b70e4fc486e35f388db065ff8f187f55a820ccf8ce90f0e656ff55aaa0d5fdb

(this sample)

  
Dropped by
MD5 b93306710a842ba25a6798d870ecf80d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/130520/
  
Dropped by
SHA256 26056178e6fa24a828e57c46421c787153d3c48eac760bdf027c64df280abffe

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