MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 965df8ebef029defa94503159ecc0bb6d34368723093287b6b812983ed3fdd77. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 965df8ebef029defa94503159ecc0bb6d34368723093287b6b812983ed3fdd77
SHA3-384 hash: 2bb295d2009658f20ed44cd22259d55069f5f0959631dfdfcad0e6ab8e96ff76b437e06254b2de7a8cd3a74df09a1a28
SHA1 hash: 917b6de15852d564e61e2610a7724b22843a213b
MD5 hash: 9a0ca1c49f95afd6fc811920a55a2bba
humanhash: five-beryllium-lion-east
File name:Quotation.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:694'272 bytes
First seen:2021-03-01 07:29:44 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:CG2eTKQp6aBJcPPQTtGpDwaQHzzv/ldaOHW2vZi970ezJjme1:h2eTKQp6gJcQhCDkzxFZIzJjmc
Threatray 4'023 similar samples on MalwareBazaar
TLSH A8E49D2227AB5B46D0BE57794130919893F9AB93E73BD748BDA434CD0D32BC582637C2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: relay-006-03.anc24.com
Sending IP: 175.126.146.70
From: Gloria<gloria@ndmold.co.kr>
Subject: Re:RFQ H-18-600 (50,000Pc)
Attachment: Quotation.pdf.img (contains "Quotation.pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 07:30:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d74f24ba-8a30-4840-adf9-27d0fc3ddb33

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/120145/
Result
Verdict:
Clean
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/621853
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359919 Sample: Quotation.pdf.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 10 other signatures 2->48 10 Quotation.pdf.exe 3 2->10         started        process3 file4 34 C:\Users\user\...\Quotation.pdf.exe.log, ASCII 10->34 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 Quotation.pdf.exe 10->14         started        17 Quotation.pdf.exe 10->17         started        19 Quotation.pdf.exe 10->19         started        21 Quotation.pdf.exe 10->21         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 23 explorer.exe 14->23 injected process8 dnsIp9 36 housepopup.com 192.185.121.114, 49726, 80 UNIFIEDLAYER-AS-1US United States 23->36 38 www.getjohnstownpets.com 45.199.37.16, 49727, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 23->38 40 2 other IPs or domains 23->40 50 System process connects to network (likely due to code injection or exploit) 23->50 27 raserver.exe 23->27         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 27->54 56 Maps a DLL or memory area into another process 27->56 58 Tries to detect virtualization through RDTSC time measurements 27->58 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/965df8ebef029defa94503159ecc0bb6d34368723093287b6b812983ed3fdd77/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 07:30:23 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=szo7r27pako67kkfamkz5talw3jug2dsgcjsq63lqeuyh3j73v3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3
Formbook
6a4762f9c862a1ee20e00a7706f5b7dd6f12575513efdb09ea36adbec1ee202f
Formbook
a1db821171c7bd2950fad26899fbbc88c787f0cc7d869ee9b29f86bf09ebb92b
Formbook
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Formbook
b5ac8902c4d239f5f72366876e99a586d3aaafe45c9a9e098c8ded9a2db7615c
Formbook
+ 4'013 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/210301-slw2m74als/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.alimcast.com/edko/
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/c7c091ff-b9b7-44a0-b804-69d33ae0ab12/
SH256 hash:
965df8ebef029defa94503159ecc0bb6d34368723093287b6b812983ed3fdd77
MD5 hash:
9a0ca1c49f95afd6fc811920a55a2bba
SHA1 hash:
917b6de15852d564e61e2610a7724b22843a213b
Link:
https://www.unpac.me/results/c7c091ff-b9b7-44a0-b804-69d33ae0ab12/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/965df8ebef029defa94503159ecc0bb6d34368723093287b6b812983ed3fdd77

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:adonunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information

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

Malspam

Formbook

img 4975a611bcda50af81b86f58d5fd32ed46a43796b4734bb8e23bd59a57437d81

Formbook

Executable exe 965df8ebef029defa94503159ecc0bb6d34368723093287b6b812983ed3fdd77

(this sample)

  
Dropped by
MD5 dbf704c1222b5d2dfb5f2f077975585b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4975a611bcda50af81b86f58d5fd32ed46a43796b4734bb8e23bd59a57437d81
Cape
Cape
https://www.capesandbox.com/analysis/120145/

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