MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832
SHA3-384 hash: be602658a5b11670089a569b4b9df0bb4f0bbb5765b07884a18c585c1406a42f906487dbb643f56fc0f707c7fc3e504c
SHA1 hash: 61345b9633b50081b63b65bbf95410d265ea6ce5
MD5 hash: ca35b660415defe96fe6af4eb3a45d86
humanhash: delta-north-lake-papa
File name:transferir copia_98087.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:465'920 bytes
First seen:2021-02-23 16:19:13 UTC
Last seen:2021-02-23 18:06:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:lr3++81XB6UShhRodjvFfWMyYNkdEK+7Wiv60O:df81XBwEdjvVfo+CJ
Threatray 3'710 similar samples on MalwareBazaar
TLSH 96A4CF05229C621CF47E77368AB0554F97F6BE129663D56F2CE4328F0D72F848B2172A
Reporter abuse_ch
Tags:ESP exe FormBook geo


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: web333.fangio.net
Sending IP: 190.106.131.237
From: Banco Santander <remittance@tecnosorgosa.com.ar>
Subject: Copia de transferencia de pago
Attachment: transferir copia_98087.iso (contains "transferir copia_98087.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1296A5ACFDA0C9A69B74AAD50F84A06D570CA155
Verdict:
Malicious activity
Analysis date:
2021-02-23 15:21:02 UTC
Tags:
macros ole-embedded macros-on-open exploit CVE-2017-11882
Link:
https://app.any.run/tasks/07a45213-575a-41e9-b0c1-9734718db03b

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/118724/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.ZTAtr.5837.9055.UNOFFICIAL
Create hunting rule

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/615636
Signature
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)
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 356823 Sample: transferir copia_98087.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 32 www.shroomsdrop.com 2->32 34 www.lexafit.com 2->34 36 3 other IPs or domains 2->36 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 6 other signatures 2->54 11 transferir copia_98087.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\...\transferir copia_98087.exe.log, ASCII 11->30 dropped 64 Injects a PE file into a foreign processes 11->64 15 transferir copia_98087.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 38 quaichshop.net 46.23.69.44, 49700, 80 UK2NET-ASGB United Kingdom 18->38 40 bet.hk02.web.goomay.com.cn 150.109.148.157, 49708, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN Singapore 18->40 42 13 other IPs or domains 18->42 56 System process connects to network (likely due to code injection or exploit) 18->56 22 msdt.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.tiaozaoxinlingshou.net 22->44 46 192.168.2.1 unknown unknown 22->46 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 15:00:56 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=umzhzfo2gal3p6pyp3xo7dglu43t4nr7vswvajcdfn5luifjxaza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a2e7c9ad53b5355f4f723912d07f9dae7d1e2d72ac62758cdc44196f124945e
Formbook
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
Formbook
2bec4da3283f4d9329b155c12e5ee6f5f8943bb43d9e66c1767b877b89a19063
Formbook
2ff45850f2e31480bb0020b00786bc290a3979c3db934975e6d15155ba59b453
Formbook
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
Formbook
a8fe6d7fa624e8e96f71d3ff6375a012b44b51f06179feb7cef8c33fd6d38570
Formbook
b8392aaf409d89fe323576fdf09bf3320094962da9812918d23bb47b3d8d53f8
Formbook
bf07178f2c85eed5d1e0feafc5c312fce344c6ad7666b5be2abf736e6af94169
Formbook
e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e
Formbook
fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a
Formbook
+ 3'700 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/210223-r9z5n4x5he/
Behaviour
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.basiclablife.com/8zdn/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/4d4e13ad-f1e7-444e-b746-932b5b47dc5a/
SH256 hash:
a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832
MD5 hash:
ca35b660415defe96fe6af4eb3a45d86
SHA1 hash:
61345b9633b50081b63b65bbf95410d265ea6ce5
Link:
https://www.unpac.me/results/4d4e13ad-f1e7-444e-b746-932b5b47dc5a/
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/a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832

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

iso 3167a32d075d3c38d0c30d274ff51bcb77a23d7465788e295a3553556403776a

Formbook

Executable exe a3327c95da3017b7f9f87eeeef8ccba7373e363facad5024432b7aba20a9b832

(this sample)

  
Dropped by
MD5 3ca7b06207330b329d9431ec99203695
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118724/
  
URLhaus
https://urlhaus.abuse.ch/url/1025954/
  
Dropped by
SHA256 3167a32d075d3c38d0c30d274ff51bcb77a23d7465788e295a3553556403776a

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