MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0898da54ae0f11c2769f71e20969563bc58e74bb1594869108b8242a9c2419b. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0898da54ae0f11c2769f71e20969563bc58e74bb1594869108b8242a9c2419b
SHA3-384 hash: c4db399e90d8cc30f23fe8f45a8ad1fd3af4f4960ee555c10da02b3bd7429d58a012224ec695ce6e73ff3624dddec407
SHA1 hash: 603e4ccf3f9fb75ece2008fcfb39214fd4c43e02
MD5 hash: e8fa281769eebdc238ff7996041239a8
humanhash: black-uniform-maine-vegan
File name:Drawings2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:906'240 bytes
First seen:2021-02-22 07:25:14 UTC
Last seen:2021-02-22 08:41:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ZrUPu4kyawNdiPQECvWh6f1NpQansF5ldnQm2dpIQp6WNA111Udh3K:ZSaw/iPYTq1FXlQm2dpvp6EAv1k
Threatray 3'804 similar samples on MalwareBazaar
TLSH AF159D026B88DFADE07EA7355014960E9BF5B512E325ED4F7DD620EF0D61E8087A1E23
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: Averett.edu
Sending IP: 205.167.138.208
From: Trim Poker <abuse@averett.edu>
Reply-To: Trim Poker <smtpfox-zxy5e@dgpl.by>
Subject: New Order Confirmation
Attachment: Drawings.zip (contains "Drawings2.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118235/
Detection(s):
SecuriteInfo.com.Win32.345.2290.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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/613727
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 355872 Sample: Drawings2.exe Startdate: 22/02/2021 Architecture: WINDOWS Score: 100 35 www.xn--vhqqb859burbuz7jebh.com 2->35 37 www.thepostmail.com 2->37 39 8 other IPs or domains 2->39 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 7 other signatures 2->55 11 Drawings2.exe 3 2->11         started        signatures3 process4 signatures5 65 Tries to detect virtualization through RDTSC time measurements 11->65 14 Drawings2.exe 11->14         started        17 Drawings2.exe 11->17         started        19 Drawings2.exe 11->19         started        process6 signatures7 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 21 explorer.exe 14->21 injected process8 dnsIp9 41 www.tshirtuae.com 198.57.247.220, 49752, 80 UNIFIEDLAYER-AS-1US United States 21->41 43 www.youkut.com 103.224.212.221, 49739, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->43 45 8 other IPs or domains 21->45 57 System process connects to network (likely due to code injection or exploit) 21->57 25 ipconfig.exe 12 21->25         started        29 autoconv.exe 21->29         started        signatures10 process11 dnsIp12 47 www.sapanyc.com 25->47 59 Modifies the context of a thread in another process (thread injection) 25->59 61 Maps a DLL or memory area into another process 25->61 63 Tries to detect virtualization through RDTSC time measurements 25->63 31 cmd.exe 1 25->31         started        signatures13 process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f0898da54ae0f11c2769f71e20969563bc58e74bb1594869108b8242a9c2419b/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-02-22 07:26:09 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6cey3jkk4dyryj3j64pcbfuvmo6frz2lwfmuq2iqrobefkocignq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1432f0240c91b7439722df807e35ef9b4cc9b126f3e5d42cedb27b28751118d7
Formbook
170eb254fe7cae506272dd7f934000734f55648fcefab6843eca50311a98a07d
Formbook
5528ee96b8cefda8ec99999701a1673fb0dff17a8e603f2c8ccd3abac08f7489
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
b0787f51caf44390126cfb1e827d548139021e30bca2cf2e299917ea5788a8bf
Formbook
c1dc214e929541d1f9d0ede9422bf40f61f766de5e8a32bc2fb2d73a91e4a71e
Formbook
cfc09cd2a2109a174ccbc346779f2e19316be4601173e2e85c3e4314cc139017
Formbook
dc5f7d89ab2465597ff7fa9f544326613aeaab2afa6e2e457ba5fc0da15bd450
Formbook
e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e
Formbook
+ 3'794 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210222-g138y85r3x/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.primeviewm.com/e68n/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/97389477-0399-42c2-a4a1-8a5daa0bef39/
SH256 hash:
f0898da54ae0f11c2769f71e20969563bc58e74bb1594869108b8242a9c2419b
MD5 hash:
e8fa281769eebdc238ff7996041239a8
SHA1 hash:
603e4ccf3f9fb75ece2008fcfb39214fd4c43e02
Link:
https://www.unpac.me/results/97389477-0399-42c2-a4a1-8a5daa0bef39/
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: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

File information

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

Malspam

Formbook

zip 8a66b21667a04908ecafa8ac112c66588101c5e314cf32ca3b628891129635eb

Formbook

Executable exe f0898da54ae0f11c2769f71e20969563bc58e74bb1594869108b8242a9c2419b

(this sample)

  
Dropped by
MD5 843aa22495480166aff7bd3795f00b7c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8a66b21667a04908ecafa8ac112c66588101c5e314cf32ca3b628891129635eb
  
URLhaus
https://urlhaus.abuse.ch/url/1023452/
Cape
Cape
https://www.capesandbox.com/analysis/118235/

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