MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d857d2ffbdaab5c6866d6e50027dba89644d703b9081218a0e943db3c9cae310. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d857d2ffbdaab5c6866d6e50027dba89644d703b9081218a0e943db3c9cae310
SHA3-384 hash: f71a29d41cecb82bc238988b7121e80ccace0c216a074b2f4bc94e9f79141b7a9761a5c4b5067fc5ce521582e50aeb24
SHA1 hash: 36e9693a76081baf4e554f796a7b59ca11a204c0
MD5 hash: 5a753312023258e790c05f59e8086ce3
humanhash: single-network-table-two
File name:주문 090521 PTJAYA 8 월 선적 계약 문서.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'119'232 bytes
First seen:2021-06-01 06:30:14 UTC
Last seen:2021-06-01 08:09:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:H9preTfCLTpa21pmtkXuCtUhhpLXwAx2BEd7IFqYRkC:H9bfpa2/VtuhZXSEpIwOD
Threatray 5'516 similar samples on MalwareBazaar
TLSH 0635BE7E32817ACEC96BCD72C954AC61EA61A1B34307E323506311DC9E9D69BDF181F2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
주문 090521 PTJAYA 8 월 선적 계약 문서.exe
Verdict:
Malicious activity
Analysis date:
2021-06-01 06:33:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9857e1cb-c927-4f05-a10c-aad573d14a90

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/163651/
Detection(s):
SecuriteInfo.com.Artemis5A7533120232.25603.13546.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/795001
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 427396 Sample: #Uc8fc#Ubb38 090521 PTJAYA ... Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 45 www.gsxnippon.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 18 other signatures 2->59 10 #Uc8fc#Ubb38 090521 PTJAYA 8 #Uc6d4 #Uc120#Uc801 #Uacc4#Uc57d #Ubb38#Uc11c.exe 7 2->10         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\YbPYBOtVWq.exe, PE32 10->37 dropped 39 C:\Users\...\YbPYBOtVWq.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmpF908.tmp, XML 10->41 dropped 43 #Uc8fc#Ubb38 09052...Ubb38#Uc11c.exe.log, ASCII 10->43 dropped 69 Injects a PE file into a foreign processes 10->69 14 #Uc8fc#Ubb38 090521 PTJAYA 8 #Uc6d4 #Uc120#Uc801 #Uacc4#Uc57d #Ubb38#Uc11c.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 #Uc8fc#Ubb38 090521 PTJAYA 8 #Uc6d4 #Uc120#Uc801 #Uacc4#Uc57d #Ubb38#Uc11c.exe 10->19         started        21 #Uc8fc#Ubb38 090521 PTJAYA 8 #Uc6d4 #Uc120#Uc801 #Uacc4#Uc57d #Ubb38#Uc11c.exe 10->21         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Maps a DLL or memory area into another process 14->73 75 Sample uses process hollowing technique 14->75 77 Queues an APC in another process (thread injection) 14->77 23 rundll32.exe 14->23         started        26 explorer.exe 14->26 injected 29 autochk.exe 14->29         started        31 conhost.exe 17->31         started        process9 dnsIp10 61 Modifies the context of a thread in another process (thread injection) 23->61 63 Maps a DLL or memory area into another process 23->63 65 Tries to detect virtualization through RDTSC time measurements 23->65 33 cmd.exe 1 23->33         started        47 www.mommymeamore.com 26->47 49 www.mihama-dc-recruit.com 26->49 51 2 other IPs or domains 26->51 67 System process connects to network (likely due to code injection or exploit) 26->67 signatures11 process12 process13 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d857d2ffbdaab5c6866d6e50027dba89644d703b9081218a0e943db3c9cae310/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 22:58:53 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bl5f755vk24nbtnnziae7n2rfse24b3scasdcqosq63hsok4mia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ed458c466676594e5feaee03cbd536339dc28c162a266daaccbeaaa7afdb887
Formbook
2a728511ab345b4207ea5959439df12205796548388cc170b427110f9cc247dd
Formbook
36ac85986999d60ef2bcf74e50d27daa1bfbf6c4815e6fb5e5dc1547d8dcb8c9
Formbook
3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461
Formbook
4d90c368dbb4c085f00a9d323996a1c6235acd5afadcbcf935d0b56a432a3410
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5313ca84959a3d88973ad5b85acc66e268c3e8874d5d6f21fcd4a4c1a7628496
Formbook
744400d590042d779a25401879f9906b979e32bba3fac355a0ff2d5a00f4fcfc
Formbook
78b11874a66b80ec78962b27c352a643d1a11c7f5cf9273f0db06df3f4f7e76c
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
e8be28fabd7cdb2d4e96137dae73bd9b227a86b654c696e9fd401cb37ec68267
Formbook
+ 5'506 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/210601-zccs5ldnes/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/d857d2ffbdaab5c6866d6e50027dba89644d703b9081218a0e943db3c9cae310

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 d857d2ffbdaab5c6866d6e50027dba89644d703b9081218a0e943db3c9cae310

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/163651/

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