MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502
SHA3-384 hash: e930d1335ff787d87d2aa8002b314f7638bff0ad521ae2ef7ef5e59f94529646e47590528ddc47eb7a609a65e56ebaf6
SHA1 hash: fad0fecd43d5fa3c1507551b598177eac236ee7b
MD5 hash: 016a2ec587bcda6c0df1e5188bfeca7b
humanhash: undress-indigo-three-sixteen
File name:016a2ec587bcda6c0df1e5188bfeca7b
Download: download sample
Signature Formbook
Create hunting rule
File size:1'001'472 bytes
First seen:2021-08-19 09:16:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:U8aMOgdmwS3fYCvDc9F3nC0Py3gAh15er4GmVmXnE34cajAnrdNjYRvM+WgwW5N+:UM+80GmVsESgkRvM7W5bswcx
Threatray 8'206 similar samples on MalwareBazaar
TLSH T1EA25163C19B83627D1BAC766EBE18413B29094AF7121ED59A8DE03A70743B4675C733E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL SHIPMENT DOCUMENT CONFIRMATION.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-19 06:54:40 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/4a34337d-7c73-435a-b67d-e379369f1fc1

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/180634/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.998-1.UNOFFICIAL
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
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/391c6181-31cd-4cc6-b484-c87f1e1d4918
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/835675
Signature
.NET source code contains very large strings
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 signatures2 2 Behavior Graph ID: 468109 Sample: 0VxnNIB2en Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 5 other signatures 2->40 10 0VxnNIB2en.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\0VxnNIB2en.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 0VxnNIB2en.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.conservativetreehose.com 81.17.29.149, 49728, 80 PLI-ASCH Switzerland 17->30 32 192.168.2.1 unknown unknown 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cscript.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-19 04:59:03 UTC
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
29df0bb962a305621b5f1d2a5cf0eaeae9381872e2a329230e833e6db7c999fa
Formbook
37f6df44b9dd38408fe5682c6d660eceb04a2915b3420576afce05bf3076bc01
Formbook
4ce1f9a687727f9368f45a6f985a208e545d07b7aeaf39ecc02f61e5c1062171
Formbook
81da76220fb0ae253e2cb1708b5b69da345ed3f69fca6d5bda7a0f59470196fe
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
dfe96798a6065c99050d1cb964200874b40e3916f90e3caed35df9ace3dc3198
Formbook
fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386
Formbook
+ 8'196 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:kzk9 rat spyware stealer trojan
Link:
https://tria.ge/reports/210819-47lg3ax4mx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yourmajordomo.com/kzk9/
Unpacked files
SH256 hash:
c51b21245a12d8a37aa66bb9ee00582c63fa07dcf83a7b175575be1b4bdf0ff4
MD5 hash:
239f20b5afe5c94d2d52bdfcf1563b59
SHA1 hash:
25d6804ee360699e9618c7780311ab9ee6b44515
Link:
https://www.unpac.me/results/0485d01c-904e-4b01-9a7b-6439d31f80f6/
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/0485d01c-904e-4b01-9a7b-6439d31f80f6/
SH256 hash:
9d083e6711fa05d81808595ccb256ebec25439983acc2a4d9bf991a31767fc9e
MD5 hash:
d4aad17cf070ec0b2ebc71e1c86b5d48
SHA1 hash:
cf86991474de99b5998fd75f68b56dcb4e5879f5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0485d01c-904e-4b01-9a7b-6439d31f80f6/
Parent samples :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 hash:
3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502
MD5 hash:
016a2ec587bcda6c0df1e5188bfeca7b
SHA1 hash:
fad0fecd43d5fa3c1507551b598177eac236ee7b
Link:
https://www.unpac.me/results/0485d01c-904e-4b01-9a7b-6439d31f80f6/
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/3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502

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 3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1545036/
Cape
Cape
https://www.capesandbox.com/analysis/180634/

Comments


Avatar
zbet commented on 2021-08-19 09:16:42 UTC

url : hxxp://180.214.236.151/Networking/dllhost.exe