MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8. 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 4 File information Comments
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SHA256 hash: b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8
SHA3-384 hash: e4a651c1a566f00d7479565fa5964a02a4685f078c67fb7aca28ccac36b3cbda47549b19eeedaede11bfb161ea1d7287
SHA1 hash: f03f404b9e6a6bb3f90f28d5e7a8da5ca73c1d9e
MD5 hash: 4ebb370ce8c8dc52646dd8e22293848d
humanhash: michigan-cola-angel-beryllium
File name:NX-LI-15-0001.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:829'952 bytes
First seen:2022-03-11 05:54:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xgM2iN+x+AxYnLgdS53wz7P4S3L3cPoigdidx05rPs/F4N8GZ13usP8QcChFsvLo:xgM1MxaLgAKQSb3BiedlU2VZ1+cFsM
Threatray 13'784 similar samples on MalwareBazaar
TLSH T13805BEE0EE58837EDD20727AC5E808700EB5298D3420FF5AA58D11DE0A57FCF59E652E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/249284/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/622ae43a0cd58dbd927bcc93/reports/12763845-f6d4-4b1f-a4f6-c4121cfeb5ce/overview
Result
Verdict:
SUSPICIOUS
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/3fc554ca-9e47-448e-8b9e-df9e6a28ea9d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/954681
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 587162 Sample: NX-LI-15-0001.exe Startdate: 11/03/2022 Architecture: WINDOWS Score: 100 33 www.blanco-hueso.com 2->33 35 parkingpage.namecheap.com 2->35 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 11 NX-LI-15-0001.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...31X-LI-15-0001.exe.log, ASCII 11->31 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 NX-LI-15-0001.exe 11->15         started        18 NX-LI-15-0001.exe 11->18         started        20 NX-LI-15-0001.exe 11->20         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 22 explorer.exe 15->22 injected process9 process10 24 systray.exe 22->24         started        signatures11 45 Self deletion via cmd delete 24->45 47 Modifies the context of a thread in another process (thread injection) 24->47 49 Maps a DLL or memory area into another process 24->49 51 Tries to detect virtualization through RDTSC time measurements 24->51 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-03-11 02:56:48 UTC
AV detection:
13 of 42 (30.95%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkrmeiaphco5chwybazclcamowqfbk2ggfdbc7t2uavzqmqqu34a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2b8c162f4a3747097fcda26d4301f809b515a77f1644bfdb636b39fe263694ee
Formbook
67435ee3c6fd3d272c004256f34020df37fb93fd33c18720053b9d2c1bb19b67
Formbook
6a68426f18f239950d5bb0d82223890b44ea10de5a5fa83294457dd3dcdc5068
Formbook
d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720
Formbook
dadfe6c54e7000472e145b38e7410fbfef963566a06811ede626705a9e98a53e
Formbook
e1754d3bb2df3b1c3c8b6448afd0e7e03b65e4d4a9fa331df40acc0acc38a408
Formbook
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
Formbook
+ 13'774 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:dsaq loader rat
Link:
https://tria.ge/reports/220311-gmg9zsgdc4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
fd3ccd33aa84bad961c3f099b55c0275e7b6be706076bce19795acabe3443eba
MD5 hash:
68b8df9b16b4713b666caa1d78005e2d
SHA1 hash:
39cd9f975c34e1da7515aabea6050c3d7496c9d1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/67c351dc-ff2a-4437-9d23-f0cc009a28fb/
Parent samples :
2b8c162f4a3747097fcda26d4301f809b515a77f1644bfdb636b39fe263694ee
b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8
9e558564fa11416981b5103c141c44c330c2c718162506249d87459589de7263
SH256 hash:
3f0671a0cd260b725271507868ee06e20a3a0ad7d20f77c2f06232ce763916f4
MD5 hash:
68b7ba7588d026cbfaf3c723f7bad2a3
SHA1 hash:
a3439f9874719444a789c6d59b6b4be65122a28c
Link:
https://www.unpac.me/results/67c351dc-ff2a-4437-9d23-f0cc009a28fb/
SH256 hash:
e2875500cb15bb540c018b9aaff348aa5e7e38031579c18488f6e60a190c1656
MD5 hash:
12194f0ae3a1bf4c09390366de89a375
SHA1 hash:
949d85acd9466ba9c41b3a673dbf45ee6005656a
Link:
https://www.unpac.me/results/67c351dc-ff2a-4437-9d23-f0cc009a28fb/
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
Link:
https://www.unpac.me/results/67c351dc-ff2a-4437-9d23-f0cc009a28fb/
SH256 hash:
b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8
MD5 hash:
4ebb370ce8c8dc52646dd8e22293848d
SHA1 hash:
f03f404b9e6a6bb3f90f28d5e7a8da5ca73c1d9e
Link:
https://www.unpac.me/results/67c351dc-ff2a-4437-9d23-f0cc009a28fb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b2a2c2200f38/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe b2a2c2200f389dd11ed8083225880c75a050ab463146117e7aa02b983210a6f8

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/249284/

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