MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
SHA3-384 hash: e6835893c403d0f85aaba6b89714c455dac16d1656aea5d9294f19327332a2ea583a377ca856f9e11a4e7dac6084ec80
SHA1 hash: 8c0b9b00038200e8e4dfafd3b5076542d2f5775a
MD5 hash: 4d2e395a7c7ec225d7c55d5cdf7cf5b4
humanhash: river-edward-bakerloo-queen
File name:orden de compra pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:839'168 bytes
First seen:2021-03-06 06:50:28 UTC
Last seen:2021-03-06 08:39:45 UTC
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:e8gnN7FrTTud7ML282CR3wxeTpVOiGnx9gGh+ebQ27VTN2lQXKp07:QnN7FrTyRyRgxe/cx93b
Threatray 4'030 similar samples on MalwareBazaar
TLSH 7C055D0B46E88938E17E2FB51AA8003687F97522F756D799AAC451F70F727438D0B31B
Reporter abuse_ch
Tags:ESP exe FormBook geo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vps.promedic.com.mx
Sending IP: 174.136.28.112
From: Karina Torres <ivan@aikom-kvalitet.com>
Subject: Re: Re: orden de compra
Attachment: orden de compra pdf.zip (contains "orden de compra pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
orden de compra pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-06 06:52:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/22ad0c18-58a2-45f1-acb5-a05badf7de0f

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/122600/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36452366.6012.30885.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/630457
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364201 Sample: orden de compra pdf.exe Startdate: 06/03/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 11 other signatures 2->51 10 orden de compra pdf.exe 7 2->10         started        process3 file4 31 C:\Users\user\AppData\...\hbahPbmXZVrlRr.exe, PE32 10->31 dropped 33 C:\...\hbahPbmXZVrlRr.exe:Zone.Identifier, ASCII 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmpC074.tmp, XML 10->35 dropped 37 C:\Users\user\...\orden de compra pdf.exe.log, ASCII 10->37 dropped 13 RegSvcs.exe 10->13         started        16 schtasks.exe 1 10->16         started        process5 signatures6 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 2 other signatures 13->67 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 39 www.janek-sales-training.net 204.11.58.194, 49729, 80 PUBLIC-DOMAIN-REGISTRYUS United States 18->39 41 www.streamingnetwork.xyz 18->41 43 2 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 24 msdt.exe 18->24         started        signatures9 process10 signatures11 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-03-05 16:09:46 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=chygei2bpvqellfkcxhx6viv3gx57qrvsde42aq4fluqu43lw3gq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
083d5efb4da09432a206cb7fba5cef2c82dd6cc080015fe69c2b36e71bca6c89
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
43aa01ebbd20c81ee60bd5b6bacabcdd0a84e0aeb892c0ea18383261dbcdb0fb
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92f656d44d38fbc5e7964e36634bf95d18e157228624d1b38ea933633579ddc4
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
af05a9b5f7ed6483d7f10ea0e521e0a15fd90d224ca04a9665991ab630a54991
Formbook
+ 4'020 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210306-sax4ngpx82/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lovetarot.online/sqxs/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/8005b480-5868-4851-a52b-039e518affae/
SH256 hash:
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
MD5 hash:
4d2e395a7c7ec225d7c55d5cdf7cf5b4
SHA1 hash:
8c0b9b00038200e8e4dfafd3b5076542d2f5775a
Link:
https://www.unpac.me/results/8005b480-5868-4851-a52b-039e518affae/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd

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:unixredflags2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 4a32747eaf957a032a507675509b32c1b8f890c0316e58f7a01bcbdca3ccbfd3

Formbook

Executable exe 11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd

(this sample)

  
Dropped by
MD5 fc95a5e7ed3bdeaa1228db19f7c16044
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/122600/
  
Dropped by
SHA256 4a32747eaf957a032a507675509b32c1b8f890c0316e58f7a01bcbdca3ccbfd3

Comments