MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5. 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 4 File information Comments
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SHA256 hash: ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
SHA3-384 hash: 92b3136ad303c034ffdf95b2b9418e7158a5c85784a4fc7239306c748e9be136a10192dca72ba94bb11bae5f333dce36
SHA1 hash: 19645fc145feaa325c5cc765bc873075a0aa7512
MD5 hash: 08098c5ef23fb87af19a5adbdd31324b
humanhash: nineteen-sad-comet-glucose
File name:Updated SOA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:833'024 bytes
First seen:2021-09-21 00:17:18 UTC
Last seen:2021-09-21 03:09:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:G+vLaFsmtiK5oUZ3Wj+RellamFY42oDSYlIqxRmiBlGQK:Oa+Fo/hFY4JX5RZlZK
Threatray 9'436 similar samples on MalwareBazaar
TLSH T15D05ADC27D47D89BF0DF2AB398AFC42011656E8D9161C73D36867A2B54F3352306BA4E
File icon (PE):PE icon
dhash icon b282b8a4a6929e9e (23 x Formbook, 20 x AgentTesla, 9 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Updated SOA.exe
Verdict:
Malicious activity
Analysis date:
2021-09-21 00:18:41 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/bf9b98a6-8df2-41c7-9aa7-37555068ca04

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/189622/
Detection(s):
SecuriteInfo.com.W32.Trojan.GQW.genEldorado.15122.10788.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:
Loki
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bce07111-9613-41a7-909a-7a7699629962
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854493
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
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486924 Sample: Updated SOA.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 41 www.newstodayupdate.com 2->41 43 newstodayupdate.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 11 other signatures 2->57 11 Updated SOA.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\oydxFbGhGlh.exe, PE32 11->33 dropped 35 C:\Users\...\oydxFbGhGlh.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp14E0.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\Updated SOA.exe.log, ASCII 11->39 dropped 71 Injects a PE file into a foreign processes 11->71 15 Updated SOA.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 connect.shopbase.com 185.33.94.22, 49784, 80 XTOMxTomEU United Kingdom 20->45 47 starsspell.com 70.40.216.229, 49802, 80 UNIFIEDLAYER-AS-1US United States 20->47 49 11 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 61 Performs DNS queries to domains with low reputation 20->61 26 cmmon32.exe 20->26         started        signatures11 process12 signatures13 63 Self deletion via cmd delete 26->63 65 Modifies the context of a thread in another process (thread injection) 26->65 67 Maps a DLL or memory area into another process 26->67 69 Tries to detect virtualization through RDTSC time measurements 26->69 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 20:03:18 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vndhn7eq4rk5uijhcjv7xup5czzsrr463kb7nbxpohoysjtiex2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
672ca84f8680ab545196dd1f961b3f456ae6b4ff1e0629fab96ed0625f22bbd1
Formbook
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
Formbook
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
Formbook
9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145
Formbook
b32448dbeec13e1eb23e55a57ffc06f9dfc8fd44687e19fc0be1c4fbabc10abb
Formbook
be2ed31f85df8e65c76d1fd87ceb62a6381c0c5244eca15349bb0976052c2695
Formbook
bf6ae876108b5fec915d91bd36d3ccd22c8593be29412521c32a4b3f11a757f0
Formbook
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
Formbook
+ 9'426 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b2c0 loader rat
Link:
https://tria.ge/reports/210921-almdzsffd7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.thesewhitevvalls.com/b2c0/
Unpacked files
SH256 hash:
ada6701c3577dfc968d29951e11435733ed201c228d21d05dffaf26fba9be80b
MD5 hash:
00950d2c2f77713a0bb9a84b022a27b8
SHA1 hash:
642f8c60a60249208e8920c78773f88b047b2951
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e18f0b10-9b5e-430a-9103-ed432778c4f4/
Parent samples :
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
40da3a76d7dfbe395b879dc9b090af73483617c65c7c433975490c0a22e4a71a
3ac2da7ec8b0c46550c9b85707c4743ea4cacbb5bb6ee0fd159792f3978e3ad3
2d0bddbcdb78a0fed7250784feb4238aa9ad086fb4c9ab8d7c877a6ff503d309
3c299b147655000b066676d4e3957f5583819bdda36c7d7710151932a337d2ba
d4d741eed6175c2c27cad4ef53d1413c9722b37411e82f30334a611bcbe856b2
612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
a16f2d423430943200368f83b9a96afc304d51d94e04559a456491632948799d
5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6
6623c86614f32885765a529c796fbe3e3b476dc58782a813e622d0d0873eaafb
62af6d80ae19c6beb856b49527eb3bb0d594e7f33c7cb927c7c58f72b9523ea6
f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d
19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/e18f0b10-9b5e-430a-9103-ed432778c4f4/
SH256 hash:
b505bb8a608ac2cdd8b14b4b2f05679fd3038306f8d0fb13b9c27e1febd67c31
MD5 hash:
d1dffc9f0a0659a7a692d65bc9dd2c8c
SHA1 hash:
4536dd61c91ac2358413468efd3add3e96e43c5d
Link:
https://www.unpac.me/results/e18f0b10-9b5e-430a-9103-ed432778c4f4/
SH256 hash:
caeba0074a49cada3ff8c989dffe9a2870a9b31720a6ea96171be1e950367a5e
MD5 hash:
3402116fee7e7d52d9c8de9c915001fb
SHA1 hash:
2cec855d79f5753d51c18d735c7f74550cccfd20
Link:
https://www.unpac.me/results/e18f0b10-9b5e-430a-9103-ed432778c4f4/
SH256 hash:
ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
MD5 hash:
08098c5ef23fb87af19a5adbdd31324b
SHA1 hash:
19645fc145feaa325c5cc765bc873075a0aa7512
Link:
https://www.unpac.me/results/e18f0b10-9b5e-430a-9103-ed432778c4f4/
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/ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

Executable exe ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189622/

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