MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b81070ab1c53b68f110a8127a7b1bc7fc83d9726c50e787949cac94f809bd92d. 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
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SHA256 hash: b81070ab1c53b68f110a8127a7b1bc7fc83d9726c50e787949cac94f809bd92d
SHA3-384 hash: 6633e859c3fd969d7271cf6ad3307b4f7546ff497aa66f3adf6b8961b9a04a27d0c6639d4bcbc473d08dd0dd83c66183
SHA1 hash: de7c7c7f22b1ebb0225502b1faf2aef5909898e9
MD5 hash: c3c62d7714dd5af682876b8fcc9c5185
humanhash: angel-item-missouri-vegan
File name:DHL_FORM-01032022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:176'640 bytes
First seen:2022-03-01 17:36:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:DWkj5CAb1hZoeLbLa5PI81ECzo1pYsIW2uegHWsXQjnpEWqs6yJi3tfAsAz89nhS:7bqCbSRYNIWybqs6yJidfAsAz8lhuMi
Threatray 13'845 similar samples on MalwareBazaar
TLSH T11D04C4FDFDC42730D4C46F37F64853FE6989EA33829514796A283A4625706E198BEC38
File icon (PE):PE icon
dhash icon e0c486a29286c4e0 (1 x Formbook)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/245931/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/621e59c8b94fb38cb4306be5/reports/d65e5ccc-feb9-402f-9506-ddbb2af9c6e6/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c33c5f56-03d2-4a0f-8824-07a31f54a8c5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/948485
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 580967 Sample: DHL_FORM-01032022.exe Startdate: 01/03/2022 Architecture: WINDOWS Score: 100 35 www.sgmlegal.online 2->35 37 store-images.s-microsoft.com 2->37 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 7 other signatures 2->47 10 DHL_FORM-01032022.exe 15 4 2->10         started        signatures3 process4 dnsIp5 39 cdn.discordapp.com 162.159.129.233, 443, 49762 CLOUDFLARENETUS United States 10->39 33 C:\Users\user\...\DHL_FORM-01032022.exe.log, ASCII 10->33 dropped 53 Encrypted powershell cmdline option found 10->53 55 Tries to detect virtualization through RDTSC time measurements 10->55 15 DHL_FORM-01032022.exe 10->15         started        18 powershell.exe 9 10->18         started        file6 signatures7 process8 signatures9 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 20 explorer.exe 15->20 injected 22 cmd.exe 1 18->22         started        24 conhost.exe 18->24         started        process10 process11 26 cmstp.exe 20->26         started        29 timeout.exe 1 22->29         started        signatures12 49 Self deletion via cmd delete 26->49 51 Tries to detect virtualization through RDTSC time measurements 26->51 31 cmd.exe 26->31         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b81070ab1c53b68f110a8127a7b1bc7fc83d9726c50e787949cac94f809bd92d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-01 17:37:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xaihbky4ko3i6eikqet2pmn4p7ed3fzgyuhhq6kjzleu7ae33ewq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b7b92e40a75e7c96676e65733f2babfdf0c37529c130619510b2b0b7879a697
Formbook
30eca50cfb9de3391b755191b2e3e3d048222fd7b1af995cc089c49258b44610
Formbook
3a4c026f2e3c450b18931610d6a795ffe504c41ca1d4bf7d26c5a7a57abcf389
Formbook
54d3a5ab9cf83b63a50a382b1f3fe4f2bdc03620744b9ecdee74723415fccd9d
Formbook
6f0508408689f77795e27f5320115355744c6b7d02cf59197dae8646bc73f267
Formbook
dae8588b604d0728a1a1ecc77096197a34ed1b22ae7de69a53f39b59e6574ffd
Formbook
e812adcd8f8470a1be64d92dafaebf717db1c45d58fe04a9160d88a468cf7e3c
Formbook
ec6636f70ab0c5c4a752505049efb9e4ebb856671e6c47fe0c869b9efdf254d7
Formbook
+ 13'835 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bifp loader rat suricata
Link:
https://tria.ge/reports/220301-v67kwacecm/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b81070ab1c53b68f110a8127a7b1bc7fc83d9726c50e787949cac94f809bd92d
MD5 hash:
c3c62d7714dd5af682876b8fcc9c5185
SHA1 hash:
de7c7c7f22b1ebb0225502b1faf2aef5909898e9
Link:
https://www.unpac.me/results/9cb862cd-6ee3-4060-9d83-47b66f2e6a5a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b81070ab1c53b68f110a8127a7b1bc7fc83d9726c50e787949cac94f809bd92d

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_EXE_DiscordURL
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Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

Formbook

Executable exe b81070ab1c53b68f110a8127a7b1bc7fc83d9726c50e787949cac94f809bd92d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/245931/

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