MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d13f3e40c90d1e1d5d4a05438f8e748b6d2a21f93831f5d4351e1f7a0d50c60. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7d13f3e40c90d1e1d5d4a05438f8e748b6d2a21f93831f5d4351e1f7a0d50c60
SHA3-384 hash: 87e079b22f8b7f724fe580d5e04f1db9256ed143ba111275897563eee40701021c4d33f6c3b392037c5720411b747d34
SHA1 hash: a5b37522e1bfbc5139718370ef2df0ca58960c33
MD5 hash: f77938f201d57f13ab4f1a6ac9a73879
humanhash: stream-nevada-minnesota-butter
File name:f77938f201d57f13ab4f1a6ac9a73879.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:796'272 bytes
First seen:2021-02-03 18:42:55 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 12288:vKQRycAPrJh3WS6oOwRmzpAV35Dl50N+XcCHR0NVmlGisPI5hb7Dk:SQotPrJh3D6RXdyMYMUR0IGiqI5K
Threatray 211 similar samples on MalwareBazaar
TLSH 4A05D4859F70DE4AC448FF7F9299E2AD0382F8DB0A909916D70D6FF6A8613C964CD4C4
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_59733.doc
Verdict:
Malicious activity
Analysis date:
2021-02-03 07:42:18 UTC
Tags:
ole-embedded exploit CVE-2017-11882 trojan formbook stealer
Link:
https://app.any.run/tasks/abd2f593-f70c-4496-a4f1-06a7a54df882

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.ArtemisF77938F201D5.8630.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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/598429
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 348252 Sample: zcRe1cyAou.exe Startdate: 03/02/2021 Architecture: WINDOWS Score: 100 33 www.joebowmanforlafayette.com 2->33 35 joebowmanforlafayette.com 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 5 other signatures 2->49 11 zcRe1cyAou.exe 15 4 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\zcRe1cyAou.exe.log, ASCII 11->31 dropped 59 Writes to foreign memory regions 11->59 61 Allocates memory in foreign processes 11->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->63 65 Injects a PE file into a foreign processes 11->65 15 AddInProcess32.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 jokerwirewheels.com 34.102.136.180, 49743, 49761, 49762 GOOGLEUS United States 18->37 39 www.miramelfruits.com 178.218.212.74, 49747, 80 ESERVERRU Russian Federation 18->39 41 7 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 msdt.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7d13f3e40c90d1e1d5d4a05438f8e748b6d2a21f93831f5d4351e1f7a0d50c60/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-03 07:01:13 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=puj7hzamsdi6dvouubkdr6hhjc3nfiq7sobr6xkdkhq7pigvbrqa._file
Verdict:
unknown
Similar samples:
19d23d06b49ced25b47d72f5338af4fa1fc533cce85dcaff4286e0da31054a38
Formbook
2c2323849ce8b94fdba446df7ff61ff3048507771fa126b486ddbe07d40c7c89
Formbook
32ec92b57297749ae4e4cc6299579355e77573ffdf0b125d1f65ebcc62b9fbfb
Formbook
49a63eb1c6fd5d4b22396bb8a8397c3bf124c3f94d104bc2a7a304f4457b4526
Formbook
5da82dd52f913ff5d416ec5479133a0f89cd5d835d2fbd964f32191f642ca9fa
Formbook
a8e43601776f927b6f02d5c473ae0caa3f686b948236c94a377b68fc9aaff830
Formbook
c1a0c0da434d13c2e3eaa3562e93947267c7c6415da24d4ff4f189f0b44f4d43
Formbook
d2397447ce64327716a26a8083375ecca1c8d59747d55c74a65759b7add30245
Formbook
ef203882acf676c759bf86f6f60a5a570a5c84a163314462c133bb70fada63a7
Formbook
fb5d3e82dd9213436edf619325fd63430b32afe0e43242e1839b73bb7b8e4898
Formbook
+ 201 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210203-a9mwth9m1e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.theprintshop.ink/bsl/
Unpacked files
SH256 hash:
7d13f3e40c90d1e1d5d4a05438f8e748b6d2a21f93831f5d4351e1f7a0d50c60
MD5 hash:
f77938f201d57f13ab4f1a6ac9a73879
SHA1 hash:
a5b37522e1bfbc5139718370ef2df0ca58960c33
Link:
https://www.unpac.me/results/7086834d-76eb-40aa-a3ea-76873d16be4c/
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/7d13f3e40c90d1e1d5d4a05438f8e748b6d2a21f93831f5d4351e1f7a0d50c60

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

Formbook

Executable exe 7d13f3e40c90d1e1d5d4a05438f8e748b6d2a21f93831f5d4351e1f7a0d50c60

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/988844/
  
Delivery method
Distributed via web download

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