MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ff80cfa807700323750e18e0027ac5bff1c4f34080e27850856bedaceb13311. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 1ff80cfa807700323750e18e0027ac5bff1c4f34080e27850856bedaceb13311
SHA3-384 hash: 72b7ccb26af0ccbd0afa8c687d4baa7c0da04547a93c6e4944619e0bdccb6ac79882c57d272ac8671fb9875b93329682
SHA1 hash: e4ebd5f898e2b99cfe850b869b098c073c42d2d1
MD5 hash: 7ada0d4c5bc6af4fa4a0ff7055045469
humanhash: steak-table-eighteen-island
File name:quotation zip.exe
Download: download sample
Signature Formbook
File size:912'896 bytes
First seen:2021-06-08 07:10:26 UTC
Last seen:2021-06-08 08:11:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'475 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:d/UVYtXiZKaRhltOl3xK7oOyN9ubfGhsfznd8a:1UYtXiZvh2nKkfrV6fDK
Threatray 5'657 similar samples on MalwareBazaar
TLSH 2815D1423284DC8BD11729F248AFD52051F4BD8E9164C91D3F83BB2B54F7742269BB9E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
quotation zip.exe
Verdict:
Malicious activity
Analysis date:
2021-06-08 07:46:16 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
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 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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430962 Sample: quotation zip.exe Startdate: 08/06/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Yara detected AntiVM3 2->52 54 9 other signatures 2->54 10 quotation zip.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\svTkPPsr.exe, PE32 10->34 dropped 36 C:\Users\...\svTkPPsr.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3EA7.tmp, XML 10->38 dropped 40 C:\Users\user\...\quotation zip.exe.log, ASCII 10->40 dropped 58 Injects a PE file into a foreign processes 10->58 14 quotation zip.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 quotation zip.exe 10->19         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 21 explorer.exe 6 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 42 www.uixsv.com 185.215.224.53, 49727, 80 AS40676US United Kingdom 21->42 44 www.rafaelraf.com 21->44 46 2 other IPs or domains 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 27 msiexec.exe 21->27         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-06-08 04:26:09 UTC
AV detection:
4 of 47 (8.51%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.jzmbgjj.com/j7e/
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
SH256 hash:
1ff80cfa807700323750e18e0027ac5bff1c4f34080e27850856bedaceb13311
MD5 hash:
7ada0d4c5bc6af4fa4a0ff7055045469
SHA1 hash:
e4ebd5f898e2b99cfe850b869b098c073c42d2d1
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.

Malspam

Formbook

Executable exe 1ff80cfa807700323750e18e0027ac5bff1c4f34080e27850856bedaceb13311

(this sample)

  
Delivery method
Distributed via e-mail attachment

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