MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df
SHA3-384 hash: 83f14d1abdeffc2dfde329c0f9c84ae0e7af1eda284b00e00c7292a07fe97bc83f4f64de9361e4b3e512aebd603f5ba0
SHA1 hash: 6a6575aeee68b1498f9c47d46f86a5be0b0a83fe
MD5 hash: e03400190cf309329677b60c41bcaba5
humanhash: green-missouri-magazine-queen
File name:e03400190cf309329677b60c41bcaba5
Download: download sample
Signature Formbook
Create hunting rule
File size:360'960 bytes
First seen:2021-11-15 14:35:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:OrtIwQeMKMss0mSWugYGWT3d2qm9CdPCa5uVgejBYbYZe8Q8sE5x:LwQePtzWsPrwqm2J5od9NRQ
Threatray 11'307 similar samples on MalwareBazaar
TLSH T1897423568368557FC4BF6E3EA4A3A5400739A2CCA007F7DD4BDAD49676233C3A141B53
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO20192702.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-15 21:06:09 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/c71e5d54-bef8-48f6-b288-9007e10ff8aa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/205953/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18950.UNOFFICIAL
Create hunting rule

Win.Packed.Filerepmalware-9908276-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61927055a00afa9663a865df/reports/0361815c-c3fe-43fc-b844-8cced85dcbf3/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b033755a-3146-4cc9-898a-4a29223aada9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/889531
Signature
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 522003 Sample: OYATOaUo0U Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 33 www.rwilogisticsandbrokerage.com 2->33 35 www.anchoramolnile.com 2->35 37 domains.vpsiteserver04.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 OYATOaUo0U.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\OYATOaUo0U.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 OYATOaUo0U.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 39 www.handmadequatang.com 103.75.187.19, 49852, 80 VNBOOKING-AS-VNVietNamBookingcorporationVN Viet Nam 18->39 41 natsuyagimaki.com 59.106.171.21, 49849, 80 SAKURA-BSAKURAInternetIncJP Japan 18->41 43 8 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Performs DNS queries to domains with low reputation 18->55 22 systray.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-09 07:38:51 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
35204f1850b1439ef9a8fd958d6c3045edae69378aa3593021795d0600fc5a01
Formbook
66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e
Formbook
86df15ac78abc1d224a4249db72d29dcb2979fd0669a15c0d291e47648dc0c1c
Formbook
89dd90006d6cd58559565a7ccebc2147780e2a3ae084b5d114b2077c2ae341d7
Formbook
b17b8be05fc8389990be623a727369826383bfc2fb33693943f208faa184ff40
Formbook
c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9
Formbook
de12f96f01168f625165bda83f4d556d00d6c473e61aa5c6f424aed07ae9cc04
Formbook
f70490cd601507ae7dc51679c29788ac1a4b75d1fbea50022bcf43a98791287e
Formbook
+ 11'297 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bs8f loader rat
Link:
https://tria.ge/reports/211115-ryk55afefk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rwilogisticsandbrokerage.com/bs8f/
Unpacked files
SH256 hash:
437f71eeac365ed438585d7f81b4aad3fc2728bcb08984b584d8e1dc9b953951
MD5 hash:
717be70bab2a5981683648761ff810f6
SHA1 hash:
bb8dee942ce1f5de1aedf3d6ac404ae1bce28497
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/27e64472-b371-4b46-9a11-f6375ffd7fbf/
Parent samples :
c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9
c87415b188828e354d7f87edc4184c94adb757258e79ab5e1e6e200a8c8df52c
66ebc2bbaf8ea07be988cce296542d9e1d7d24fbfe4523894bfd5a8c4474502e
bc8d2b7c7d534633d3e80f50a21ddbc634c0800ce6469bfbaaf40a5d8e0de466
86c0bfd6c4dd8c077a022db87078ebaec7414ee55ed205b0efe836854614519a
77582ba5bb0a7e0894a64d832ead70cd8572cb49f21fcdc10d8904d68343798d
8ea8f9f842988640002c282c9a79c67b13429fe061b9067ca79e7ad36132d05e
4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f
7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df
SH256 hash:
9cf46677bb03e5fdc2a4325cf39ae573c04e5bca507cb376c22a800848b5663e
MD5 hash:
910f58f1255d7fa72ef6e1b6bc0b2ded
SHA1 hash:
da28fd7a962990991bf7fb03ae591d4d72f846e3
Link:
https://www.unpac.me/results/27e64472-b371-4b46-9a11-f6375ffd7fbf/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/27e64472-b371-4b46-9a11-f6375ffd7fbf/
SH256 hash:
7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df
MD5 hash:
e03400190cf309329677b60c41bcaba5
SHA1 hash:
6a6575aeee68b1498f9c47d46f86a5be0b0a83fe
Link:
https://www.unpac.me/results/27e64472-b371-4b46-9a11-f6375ffd7fbf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df

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
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Rule name:pe_imphash
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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.

Web download

Formbook

Executable exe 7efe7d38b841aac0c56e86c8c6698743dd7cc5d70b3546b416a23f4e7712c9df

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1767738/
Cape
Cape
https://www.capesandbox.com/analysis/205953/

Comments


Avatar
zbet commented on 2021-11-15 14:35:57 UTC

url : hxxp://180.214.237.39/1114/vbc.exe