MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31790f449fcc08ffaee303bf54af86f8264a6eac93e479422997854d66ca39f5. 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 3 File information Comments

SHA256 hash: 31790f449fcc08ffaee303bf54af86f8264a6eac93e479422997854d66ca39f5
SHA3-384 hash: 317670e48c1f31dedd945e8a130dc3355b8bac69f849ae24276136f692482e598f50c275299b26756142d17fd64e0c0c
SHA1 hash: d9b9266f7ab60ed7a84d67f71e0a27098cb554bc
MD5 hash: bc55bbe0e3bd097c4c52a18d62b464d4
humanhash: oregon-lactose-twelve-black
File name:DHL_AWB_NO#907853880911.exe
Download: download sample
Signature Formbook
File size:761'344 bytes
First seen:2021-11-15 08:29:36 UTC
Last seen:2021-11-15 11:14:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:aRWzQhIiHcfpaZtSgqlZFTFH4eDqvCFMCKMdfhLZSzPWj4Ocy:VAZtSgqhTFH4euvCrdZLZcuEzy
TLSH T1B7F4AE6426E49E2FD19E13BCE0A90114D3F4F1216647F76F1F90A1B82CB73A2CD456AB
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
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:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 521677 Sample: DHL_AWB_NO#907853880911.exe Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 10 DHL_AWB_NO#907853880911.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 13 DHL_AWB_NO#907853880911.exe 10->13         started        16 DHL_AWB_NO#907853880911.exe 10->16         started        18 DHL_AWB_NO#907853880911.exe 10->18         started        20 2 other processes 10->20 process5 signatures6 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 22 explorer.exe 13->22 injected process7 dnsIp8 33 shops.myshopify.com 23.227.38.74, 49779, 80 CLOUDFLARENETUS Canada 22->33 35 www.makheads.com 22->35 37 www.gazprommeta.com 22->37 47 System process connects to network (likely due to code injection or exploit) 22->47 26 msiexec.exe 22->26         started        signatures9 process10 signatures11 53 Self deletion via cmd delete 26->53 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-15 08:30:10 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fl9w rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Malware Config
C2 Extraction:
http://www.makheads.com/fl9w/
Unpacked files
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
aad89fb1ddbac172c83678146febc637db8976d26a3bf5f2024864ad0142089a
MD5 hash:
b17b117cd53975b9d4881df8b8e14b5b
SHA1 hash:
2ea65ff9c1831525a556355ce892feaeda305124
SH256 hash:
31790f449fcc08ffaee303bf54af86f8264a6eac93e479422997854d66ca39f5
MD5 hash:
bc55bbe0e3bd097c4c52a18d62b464d4
SHA1 hash:
d9b9266f7ab60ed7a84d67f71e0a27098cb554bc
Malware family:
FormBook
Verdict:
Malicious
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: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.

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