MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f
SHA3-384 hash: 5a418613c6a8c2d86552b446b61546003327f7a298f8524ad08e140618329525161c8da9d4826bb837e753c639b6f10e
SHA1 hash: 9708cd352c2c8e656ef0b34e6973aee7500861c2
MD5 hash: cbf2e59dcef3eaa44addc017d69a3a98
humanhash: fix-six-nevada-venus
File name:b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f
Download: download sample
Signature Formbook
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File size:812'544 bytes
First seen:2022-06-07 10:38:08 UTC
Last seen:2022-06-07 12:07:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ZLF5/DUJBwVZaAAlxww9Dpxu0MPfLbHM8GnP:T5bEBwepxju0MXLbHzGn
TLSH T1C70512123B6C7B11D5ABEB351292C10096B2ECAFBD37F12B6DA33C8E585CB415270976
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f
Verdict:
Malicious activity
Analysis date:
2022-06-07 10:39:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2f13f90f-516d-43f9-875f-22b164647892

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/277306/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.51288.23975.6446.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/629f2ac9c221aaaa25bf71d9/reports/68d47094-ad1b-429c-a71a-77283fb71923/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/b2d4cc1c-b447-4149-b6db-b401c46df048
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008044
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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 or bat file
Snort IDS alert for network traffic
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: 640540 Sample: 274MlRK418 Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 33 www.grandfashionmag.com 2->33 35 parkingpage.namecheap.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 274MlRK418.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\274MlRK418.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 274MlRK418.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 artafars.com 142.132.198.196, 49816, 80 UNIVERSITYOFWINNIPEG-ASNCA Canada 18->37 39 www.escapenot.com 103.224.212.220, 49823, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->39 41 5 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 wscript.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 55 Self deletion via cmd or bat file 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-05-13 14:34:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wyvtiqchrwgoo55zemrzoey7tx7dhyttegkbs2rgb64zzwwxowpq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:hpmw loader rat
Link:
https://tria.ge/reports/220607-mpymmsdeh7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
04192837d51f277fdde980ea9182b3bc2877f1d8d9263161fd129738be764e46
MD5 hash:
ccff6d14fc4c51376b0f5aeda689a37a
SHA1 hash:
3a137ec60424de9228f0eefd5d530067a432f95d
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/a003777e-b1fd-4724-806f-5e58d5cc282d/
Parent samples :
b78ddc4e9c0dac6a303d69b8ef49cd4a6ef4c2be341745179151073283bc3a11
546469373030a46e31f2f2678a848faf46401a804d776fbba5c3f2bbd19bc07b
b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f
SH256 hash:
409d186cdf1f939346f13dc0a025f2e12d1947a121083f1c4774535724671b19
MD5 hash:
d76eec81e7320652f7640e7f941090bb
SHA1 hash:
8c775a304e187a9562630dc57b853af01332e467
Link:
https://www.unpac.me/results/a003777e-b1fd-4724-806f-5e58d5cc282d/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/a003777e-b1fd-4724-806f-5e58d5cc282d/
SH256 hash:
b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f
MD5 hash:
cbf2e59dcef3eaa44addc017d69a3a98
SHA1 hash:
9708cd352c2c8e656ef0b34e6973aee7500861c2
Link:
https://www.unpac.me/results/a003777e-b1fd-4724-806f-5e58d5cc282d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b62b3440478d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f

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:Skystars_Malware_Imphash
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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 b62b3440478d8ce777b9232397131f9dfe33e2732194196a260fb99cdad7759f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277306/

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