MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01
SHA3-384 hash: 0eebc25e06ac6625177e971b0aac79232ee43dd6eed4d2c4d6c81cf6edb4657966fbd262bfb685e1d2c7f3bbaec0fffb
SHA1 hash: f08bc30497f3265d749d029a0d26f74982af22ec
MD5 hash: f3cd05456f93b132ced1cea2934691e5
humanhash: twelve-echo-magnesium-pip
File name:f3cd05456f93b132ced1cea2934691e5
Download: download sample
Signature Formbook
Create hunting rule
File size:497'152 bytes
First seen:2021-09-20 06:44:38 UTC
Last seen:2021-09-20 08:02:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:pyp0eOoRD1XhQSkiOeIaqBUyB6r5Pv+WwakIscOf8bx:pyeenX+ribm985X+HNUV
Threatray 9'367 similar samples on MalwareBazaar
TLSH T1B5B4222A72B82F56CF3C5BF06234049097B1621BB1A1FB194FC9B8C76D99B55C7A1E03
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Hua Joo Success Industry.xlsx
Verdict:
Malicious activity
Analysis date:
2021-09-20 06:15:25 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/848cf797-70d0-4cae-b6f1-debcda0ff599

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/189222/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.26749.274.28962.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a96cbce6-f424-4eaf-8e6e-07f083a6ea85
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853767
Signature
.NET source code contains potential unpacker
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
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: 486198 Sample: 77dsREO8Me Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 33 www.jakital.com 2->33 35 HDRedirect-LB7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 77dsREO8Me.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\77dsREO8Me.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 77dsREO8Me.exe 11->15         started        18 77dsREO8Me.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.013yu.xyz 20->37 39 rafathecook.com 108.167.172.130, 49796, 80 UNIFIEDLAYER-AS-1US United States 20->39 41 13 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 WWAHost.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01/
Threat name:
ByteCode-MSIL.Backdoor.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 00:56:11 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18b7d102ed7c43b96306fcf3616a4e96add77a7d2c55296dd059f974ef8ddcf5
Formbook
473b56394b74234a01d3d49d249efb5da557cf356fffc1dc3cac654303964ea9
Formbook
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
Formbook
81cbdffd1b44ca983180456d058b8eaadf51adbd19600dbbde68be7a4ef09a54
Formbook
94b5ba8b9cf0c9b6d3e790aadc37b8afb3099af0d151761d5c7196dd6fb81539
Formbook
9eb08a4fd35569b3034dbe07ba5334ec8c5bfe262d589bb123e838dbcf688e08
Formbook
e94b8626361ef2ef783dbb4c5662c62a2f27f79e7453b0831805a04541e0ac12
Formbook
f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594
Formbook
+ 9'357 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:euzn loader rat
Link:
https://tria.ge/reports/210920-hh292afgfq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.heser.net/euzn/
Unpacked files
SH256 hash:
e86f8321145d76c1d4dea6b6078bd199bc465aa1a1350667a2a622ebd5c09573
MD5 hash:
87fe8cd2bd5e5743c2206ac8eb983678
SHA1 hash:
205e2e983ffc60f77f80687c332d26a7d96b442a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8af3779c-c239-4800-9ebe-38ad55aee9e7/
Parent samples :
a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01
a243b394a1a3377b3ae936e6ea896588cca8cc43f8b961bdecbbe324e28c283c
662ae2a76488e0f775884f0c19daa286c910f2e72acb414a5f820b655ef42565
3dafcb39d7cc251c9a8212a8e745e0d72f2c530bf699a9168a379fa25e36ec38
7b5de7135bd7e3c2eb98a94977c138597d357def8a9851a8df3ee442f83ec737
6446736e3662120e1fe4c3518bc8e6d14553f6b0b27aaf1fc5676e1f73a50c33
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d
9508c04b4c1dd578c8c3b8597a68bb73548b107edcbb37f13909a18d85f78b3a
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/8af3779c-c239-4800-9ebe-38ad55aee9e7/
SH256 hash:
c0881e14b714f8b00673ac992e941f7b20fa56ed905807e94aafbaff7d645bed
MD5 hash:
836b1bbfafd8d5626a614df439692787
SHA1 hash:
adc5b2d5e0bdc028f553b5845a0bf58021a4c1c6
Link:
https://www.unpac.me/results/8af3779c-c239-4800-9ebe-38ad55aee9e7/
SH256 hash:
62d6aebb1a8a0cee515ad8a47070496a07ec5e886d5ecda3cf7581042a4e7e2d
MD5 hash:
017133ab2748ce2a143e8dd7c1db9d87
SHA1 hash:
a0ec94ae9a0ce0040bdc680359e48b03ec8a4b05
Link:
https://www.unpac.me/results/8af3779c-c239-4800-9ebe-38ad55aee9e7/
SH256 hash:
a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01
MD5 hash:
f3cd05456f93b132ced1cea2934691e5
SHA1 hash:
f08bc30497f3265d749d029a0d26f74982af22ec
Link:
https://www.unpac.me/results/8af3779c-c239-4800-9ebe-38ad55aee9e7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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 a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/189222/
  
URLhaus
https://urlhaus.abuse.ch/url/1634770/

Comments


Avatar
zbet commented on 2021-09-20 06:44:39 UTC

url : hxxp://103.133.106.199/rtr/vbc.exe