MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d. 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

SHA256 hash: 1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d
SHA3-384 hash: 3a8122dccbe6041aa69970139733210a2a2a254f99c3946065e40112c460dbde8284d9179f38594cc3f8f47acd302a6e
SHA1 hash: 12ba0b4e8c41ececa29814f9b64da351e5509fb0
MD5 hash: f6eaacd1b39028130602ee0892e67663
humanhash: louisiana-mirror-batman-uranus
File name:triage_dropped_file
Download: download sample
Signature Formbook
File size:408'064 bytes
First seen:2022-01-28 13:59:18 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 6144:h1hwO+Q45IX8LhyTa4eD9n1jMrOmm/jvXryE/74GoynY5vLyv97SnxQf8YdxvBWR:fLenxeOmm/j2Ub2M8YdByUHIgMv4rS
Threatray 12'964 similar samples on MalwareBazaar
TLSH T1D094F12815DB8659F54B9DB01BBCF9B00072729325C64E380B1E6116CFEDF552FCAA4E
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new PO.doc
Verdict:
Malicious activity
Analysis date:
2022-01-27 23:26:34 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 562157 Sample: triage_dropped_file Startdate: 28/01/2022 Architecture: WINDOWS Score: 100 33 www.hstolchsjybyl.com 2->33 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 9 other signatures 2->45 11 triage_dropped_file.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 triage_dropped_file.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 35 www.inspectdecided.xyz 104.21.22.47, 49811, 80 CLOUDFLARENETUS United States 18->35 37 www.fengyat.club 188.114.96.7, 49818, 80 CLOUDFLARENETUS European Union 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 51 Uses netsh to modify the Windows network and firewall settings 18->51 22 netsh.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-27 13:35:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a83r rat spyware stealer trojan
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
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
SH256 hash:
583a39cdcf3e8edc28478bdeb43890631807c84764646183d56db9d9e7757f55
MD5 hash:
a4464549d5c76ba1282fa1e032705655
SHA1 hash:
5d51d269c5641b2f5fc61d39eb9eaa1cd946dfd9
SH256 hash:
1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d
MD5 hash:
f6eaacd1b39028130602ee0892e67663
SHA1 hash:
12ba0b4e8c41ececa29814f9b64da351e5509fb0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d

(this sample)

  
Delivery method
Distributed via web download

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