MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6
SHA3-384 hash: a168b1f567468cc45ad7c6083309a93ea484bd96edbc0647605a04a254d5dd8b7cfce7e12e30635e2dd06aa1f4bd5d53
SHA1 hash: 0e1edb9297f0b7db297be69d4aee0c3a38eb7b84
MD5 hash: 1eaf8232051d48b6207937c971965e2d
humanhash: fish-india-south-texas
File name:aT8aer3ybNvYpl3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:822'272 bytes
First seen:2021-09-20 19:15:32 UTC
Last seen:2021-09-20 22:02:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:H2TMsmtiK5oUZrxFonq8p3vTwKgXT8+H4tSPN9astlO8tXqyGQK:Q+Fodr1vstj8GPN9ZoqXNZK
Threatray 9'436 similar samples on MalwareBazaar
TLSH T15705AED13D47D89BF0DF2AB398AFC42011646D8D9161C73D26967A2B64F335230ABE4E
File icon (PE):PE icon
dhash icon b282b8a4a6929e9e (23 x Formbook, 20 x AgentTesla, 9 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aT8aer3ybNvYpl3.exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 19:19:00 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c5d0b249-16b8-4f0a-9434-bf3abf78f2d7

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/189591/
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/6b7d7004-5c2a-438f-b157-01df6fdffa53
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854402
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486832 Sample: aT8aer3ybNvYpl3.exe Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 35 www.bjhwky.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 7 other signatures 2->49 11 aT8aer3ybNvYpl3.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\aT8aer3ybNvYpl3.exe.log, ASCII 11->33 dropped 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 61 Injects a PE file into a foreign processes 11->61 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        20 RegSvcs.exe 11->20         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 22 explorer.exe 15->22 injected 71 Tries to detect virtualization through RDTSC time measurements 18->71 process9 dnsIp10 37 www.drdavesea.com 64.98.145.30, 49773, 80 TUCOWS-3CA Canada 22->37 39 www.cpassminimedicalschools.info 206.188.193.100, 49792, 80 DEFENSE-NETUS United States 22->39 41 9 other IPs or domains 22->41 51 System process connects to network (likely due to code injection or exploit) 22->51 26 msiexec.exe 22->26         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 26->53 55 Maps a DLL or memory area into another process 26->55 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/0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 19:15:23 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a2j4qfuyn5zythrvdymyseb6nagdg32adtfb2fhvxtr3lbs473ta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
672ca84f8680ab545196dd1f961b3f456ae6b4ff1e0629fab96ed0625f22bbd1
Formbook
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
Formbook
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
Formbook
a0d1e3fbe11fcbbea9dcad1880e23ea531c01c20fbbf383174cd420349657a01
Formbook
b32448dbeec13e1eb23e55a57ffc06f9dfc8fd44687e19fc0be1c4fbabc10abb
Formbook
be2ed31f85df8e65c76d1fd87ceb62a6381c0c5244eca15349bb0976052c2695
Formbook
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
Formbook
fa9bd0ededa6a35bd948c884848855568c1efd4e77bd2ca7786144f81d3f64c5
Formbook
+ 9'426 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gjeh loader rat
Link:
https://tria.ge/reports/210920-xytedsfbe6/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.getaudionow.com/gjeh/
Unpacked files
SH256 hash:
fb12b908851c176fa02f78aaffa4c2701c0529764631f5efd91b388774956f20
MD5 hash:
762633281627890c2ec1a04393db0201
SHA1 hash:
92a1947e2989fe9572f561fa6642f7920c3f2330
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e3ba5f1-b809-4439-969b-a1eef18baa73/
Parent samples :
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6
115716164b2092df207c750d11a2b4ce05bee204b7f21f1f62d93a5b7d78afa1
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/3e3ba5f1-b809-4439-969b-a1eef18baa73/
SH256 hash:
252f86d85d2b948dcc11d7f7acc09a9ae9657834e3f81b507d8ae4d30b362cfc
MD5 hash:
db1776fa9e7bceae19c50f4eb56d0aad
SHA1 hash:
92ebcac42f2abbcff310b01d1724e63ddfcce7fb
Link:
https://www.unpac.me/results/3e3ba5f1-b809-4439-969b-a1eef18baa73/
SH256 hash:
7fc6a541a19b2101e4ca5d4dd1fcc6d1915d080a7438963e9c4fe0336b4fb09d
MD5 hash:
afa8a56f2c21442d4bbe3d6cd60dde50
SHA1 hash:
45bb7d60cbf0a66d5d4d04d6eb19e4392388b32b
Link:
https://www.unpac.me/results/3e3ba5f1-b809-4439-969b-a1eef18baa73/
SH256 hash:
0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6
MD5 hash:
1eaf8232051d48b6207937c971965e2d
SHA1 hash:
0e1edb9297f0b7db297be69d4aee0c3a38eb7b84
Link:
https://www.unpac.me/results/3e3ba5f1-b809-4439-969b-a1eef18baa73/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/189591/

Comments