MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c
SHA3-384 hash: a101aaf6400159302ff313e98b56e49d3daa6a1d0158c21b409c9a802a79f9a2c1cc05987a72f17482ca49f06939f31a
SHA1 hash: 5fb873030290bb1723370a24c3a6c59c7a20338d
MD5 hash: 127f2f2f77f515084038714af5442da2
humanhash: uncle-hydrogen-orange-eight
File name:Shipping documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:860'160 bytes
First seen:2022-03-11 07:59:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:wI1MxpHkoP9puUq3sP8Bkmdnh/YqQi69X:jIkc9pV/Idtyd9
Threatray 14'744 similar samples on MalwareBazaar
TLSH T11305CFE0EE58877EED14727BC5A814700EB6199D3420FF19A58E11DE0A67FCF09E252E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/249319/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/622b014f0cd58dbd927c7f91/reports/4359f1ed-6c19-4224-962c-d83e5c180a3a/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/ee37e0e6-8724-4c33-a437-fcc2562cc032
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/954724
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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
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: 587205 Sample: Shipping documents.exe Startdate: 11/03/2022 Architecture: WINDOWS Score: 100 31 www.krakow-nagromadzenie.xyz 2->31 33 krakow-nagromadzenie.xyz 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 9 other signatures 2->45 11 Shipping documents.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Shipping documents.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Shipping documents.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 sachitool.com 198.54.126.37, 49784, 80 NAMECHEAP-NETUS United States 18->35 37 www.sachitool.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 systray.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-11 03:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=amrrbb5y2gl2zgw764sqzdhltqpg2ycmachfmiw6pdl6d7ghrqoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
12a79c59a47c99e0fc5ecf626e45e5b4d1abef887f00214096d18e4813757234
Formbook
28c28db28e96276f72ce38a60d04f0711388d3f93ecb34d4721dc94fc2bf9f07
Formbook
39586764971f496d274f3d453029954720962ed36672050b742aef8b4e68a78e
Formbook
417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
Formbook
49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c
Formbook
67435ee3c6fd3d272c004256f34020df37fb93fd33c18720053b9d2c1bb19b67
Formbook
6a68426f18f239950d5bb0d82223890b44ea10de5a5fa83294457dd3dcdc5068
Formbook
b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8
Formbook
e745791e3faad64dc3c475e87b458ac60853d5ca429a32b812c6bacbc841ef99
Formbook
+ 14'734 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:rnfd loader rat
Link:
https://tria.ge/reports/220311-jvha3agfa3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
.NET Reactor proctector
Xloader Payload
Xloader
Unpacked files
SH256 hash:
bd825086cc5a71b1f9da0e5eaa3d42add4befd8b52032ef475cca00a3fc570b3
MD5 hash:
a0edafe950880aaebf9c7fb2221221dd
SHA1 hash:
a76768abcd6073a99744e99a545a0e61ef5e9763
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/efd3ce23-a686-45e7-ba0d-dfdde8a827f3/
Parent samples :
67435ee3c6fd3d272c004256f34020df37fb93fd33c18720053b9d2c1bb19b67
03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c
4315b9e029b70e66bed796d5302046fee57e115c5dc6a8ef457920aeeea296b1
SH256 hash:
1c825b35722bbd50b53970899be8f761e689bd12a7819a87ff33387d49d4b154
MD5 hash:
299a1aaf648a7efb1c770f54ae043e2b
SHA1 hash:
f7ee70a1855970443441832319179545aedbd6db
Link:
https://www.unpac.me/results/efd3ce23-a686-45e7-ba0d-dfdde8a827f3/
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
Link:
https://www.unpac.me/results/efd3ce23-a686-45e7-ba0d-dfdde8a827f3/
SH256 hash:
320f7dd701cb0bd5901adaba829355e0fe095c6e0822d65af011b7beebfaef5c
MD5 hash:
d4529e7089504bf892623fc90fa225fe
SHA1 hash:
0e2356b87ee3d51745d886b89d91ee81aa837c52
Link:
https://www.unpac.me/results/efd3ce23-a686-45e7-ba0d-dfdde8a827f3/
SH256 hash:
03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c
MD5 hash:
127f2f2f77f515084038714af5442da2
SHA1 hash:
5fb873030290bb1723370a24c3a6c59c7a20338d
Link:
https://www.unpac.me/results/efd3ce23-a686-45e7-ba0d-dfdde8a827f3/
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/03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c

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
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 03231087b8d197ac9adff7250c8ceb9c1e6d604c008e5622de78d7e1fcc78c1c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/249319/

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