MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac. 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
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SHA256 hash: 2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac
SHA3-384 hash: 3027fa284105a5b8d694de965fc37de0be4b5ecbdda739ca828a45d7574967779652af9375bcffe4624485f9844ff335
SHA1 hash: faf7ab8e478cb203a11fd1de53974a3224a9670e
MD5 hash: 1f05c4fe505d798e57a409f494f3b3c5
humanhash: carpet-minnesota-eighteen-grey
File name:DHL DELIVERY DOCUMENT.exe
Download: download sample
Signature Formbook
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File size:433'152 bytes
First seen:2022-02-14 07:11:16 UTC
Last seen:2022-02-14 09:16:53 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 12288:j+asVwdxv0p83jEhZqOXAsrp9gTbC4DLZLmT:jTsePvl3IqqAsr4T+QNqT
TLSH T10194E02940F380B5D8A996FFF892C64C2F78EA6F9457F6FA0448603C047DBD546C6A63
File icon (PE):PE icon
dhash icon c4a4d8dca0cc06d2 (5 x AgentTesla, 2 x SnakeKeylogger, 2 x Formbook)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/241278/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.22643.9130.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3de2a191-7cd7-4818-ab9c-af9b3003ffc5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/939160
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 571638 Sample: DHL DELIVERY DOCUMENT.exe Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 31 www.dcassorealtor.com 2->31 33 td-ccm-168-233.wixdns.net 2->33 35 gcdn0.wixdns.net 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 11 DHL DELIVERY DOCUMENT.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\DHL DELIVERY DOCUMENT.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 DHL DELIVERY DOCUMENT.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.laurentmathieu.com 18->37 39 laurentmathieu.com 212.129.61.20, 49811, 80 OnlineSASFR France 18->39 41 5 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 raserver.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-02-14 07:12:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=filqzriinialihhi75f47d6oix4fv3zufvgpjuepageuhtcsegwa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:zqzw loader rat suricata
Link:
https://tria.ge/reports/220214-h1kspshggl/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
79ae0b03c7fb13f978ce4d5240f8ac11d7df67fa21d870dd77fc7566685c2ec2
MD5 hash:
b1e1ec5c090c44cf46751f1a1ec609b6
SHA1 hash:
ae8c65bfa078322b1f6ff8fec4361373edaf01a5
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/f1cb959b-8e8b-4bb3-aee1-57e552c4e489/
Parent samples :
82ca37f8d0b630ec22f7b60a7ce6e5e8490ca703f240b0db10b2e6e014c5d4ab
e8232a6b14f66804622f2ea2bfd8c2d8bfe5eef292f664c5801844b96a84d125
2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac
fa0c54af42af10dbb34626554f789c0d00d392a6bca0017f97babda9e17ef785
ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615
08e2b0e469f2809991e59e65177fe994f3aeeea601a2af8aec6c7ae1406debb0
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93
3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343
c0a5470477f1ef65286a66e14b46c02b71c41eabc473b9885fbe7911844d90b7
SH256 hash:
3cf888858ba4e9973faf4589c3a813d2c38bd197b2731b6499a1a6a3735906a1
MD5 hash:
7cb3a716018d747535fe8fe31efe8691
SHA1 hash:
a5807fc98e980c27251f3945342f0d3d9f3711d2
Link:
https://www.unpac.me/results/f1cb959b-8e8b-4bb3-aee1-57e552c4e489/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/f1cb959b-8e8b-4bb3-aee1-57e552c4e489/
SH256 hash:
2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac
MD5 hash:
1f05c4fe505d798e57a409f494f3b3c5
SHA1 hash:
faf7ab8e478cb203a11fd1de53974a3224a9670e
Link:
https://www.unpac.me/results/f1cb959b-8e8b-4bb3-aee1-57e552c4e489/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2a170cc5086a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241278/

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