MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21ab3934d22b88cfcabfc0521a8974679b582f4c6691d3ef1ed9721da5d3f5c. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a21ab3934d22b88cfcabfc0521a8974679b582f4c6691d3ef1ed9721da5d3f5c
SHA3-384 hash: bc1ff3abe5f0cf062c3c2f369cba1827472f6f3e60e6f74bb10a6e85f0e9edf76ab2a9b97744b084bc670561f639db06
SHA1 hash: 86974b769a62440f1a0653c1dd98adeb61cad794
MD5 hash: 485bbc528dcaa74633658a8fd8fd8c31
humanhash: seventeen-winner-early-foxtrot
File name:order.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'099'776 bytes
First seen:2022-09-15 09:57:56 UTC
Last seen:2022-09-15 17:17:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:BTbXKSJdv6m2p17g83rRbJk5o6F9NWWLNMK9mxXwJ:Vbtt2pxgIRb4D51MB
TLSH T18235E1141766C90BCCAAA174DDD2E2711AA89DD5836FC34B04DC3DB7F63B2986CD23A1
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
order.scr
Verdict:
Malicious activity
Analysis date:
2022-09-16 08:27:56 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/1b95b1f6-b22c-44ff-823b-a9a1647faeda

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/310197/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/6322f7acba7b8113dd643f42/reports/3d8d6fcd-a323-4b23-a494-4d6b35b4244b/overview
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/18be453c-3501-4f39-a09c-eb97fb9d9e06
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1070811
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 dnsIp2 2 Behavior Graph ID: 703353 Sample: order.scr.exe Startdate: 15/09/2022 Architecture: WINDOWS Score: 100 37 www.retro241.space 2->37 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Yara detected AntiVM3 2->47 49 7 other signatures 2->49 11 order.scr.exe 3 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\order.scr.exe.log, ASCII 11->35 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 order.scr.exe 11->15         started        18 order.scr.exe 11->18         started        20 order.scr.exe 11->20         started        22 order.scr.exe 11->22         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 24 explorer.exe 15->24 injected process9 dnsIp10 39 matrix-101.com 107.180.46.188, 49741, 80 AS-26496-GO-DADDY-COM-LLCUS United States 24->39 41 www.matrix-101.com 24->41 51 System process connects to network (likely due to code injection or exploit) 24->51 28 msdt.exe 24->28         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 28->57 59 Maps a DLL or memory area into another process 28->59 61 Tries to detect virtualization through RDTSC time measurements 28->61 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a21ab3934d22b88cfcabfc0521a8974679b582f4c6691d3ef1ed9721da5d3f5c/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-09-15 09:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uinlhe2nek4iz7fl7qcsdkexiz43laxuyzur2pxr5wlsdws5h5oa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:p94a rat spyware stealer trojan
Link:
https://tria.ge/reports/220915-lzhhqscfc4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aee11346-9d08-4cb6-b23a-4a4281471f9d
Unpacked files
SH256 hash:
535a0b3e0596a26dedd145e0732fa69f4eb42d2c9a87a972b44e79e2fd76f825
MD5 hash:
7241a753759b2ab23fa2d871a760c331
SHA1 hash:
9e5baa96017ff6de28cf1dabcc15baf3e9e35676
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5e6147f7-f77b-4892-9054-922092bbbfff/
Parent samples :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 hash:
e994692c4686189c2c5804e59d31e9a6a2a5cb825a2f7a09a8e9e593832d6738
MD5 hash:
d8b046ed7353fe51f803f436fcb88827
SHA1 hash:
8b2e5c018d2e5445133f4564ad028e9330243526
Link:
https://www.unpac.me/results/5e6147f7-f77b-4892-9054-922092bbbfff/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/5e6147f7-f77b-4892-9054-922092bbbfff/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/5e6147f7-f77b-4892-9054-922092bbbfff/
SH256 hash:
86441822cd109e3b774a8c70464bc3f94a51e22b0cf6fbf92b731b32e3bf7d0f
MD5 hash:
916206f389a898b1b6778bf7bb7cfb86
SHA1 hash:
0725d7338daa7b603b8d8b0212708725f42d2499
Link:
https://www.unpac.me/results/5e6147f7-f77b-4892-9054-922092bbbfff/
SH256 hash:
a21ab3934d22b88cfcabfc0521a8974679b582f4c6691d3ef1ed9721da5d3f5c
MD5 hash:
485bbc528dcaa74633658a8fd8fd8c31
SHA1 hash:
86974b769a62440f1a0653c1dd98adeb61cad794
Link:
https://www.unpac.me/results/5e6147f7-f77b-4892-9054-922092bbbfff/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a21ab3934d22/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/a21ab3934d22b88cfcabfc0521a8974679b582f4c6691d3ef1ed9721da5d3f5c

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: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 a21ab3934d22b88cfcabfc0521a8974679b582f4c6691d3ef1ed9721da5d3f5c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/310197/

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