MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8
SHA3-384 hash: 7c25e905d97699e4bd6d415ca8871e9ad50f50126134b2065038c1f8b331a45cd58515f39ef404281fb4d7fb6f2fb56f
SHA1 hash: 439f97a294b04395d63b855bc8903cf8bbfda2e6
MD5 hash: 836b6715dd9c615969d8e891e2a76387
humanhash: neptune-tennessee-neptune-maine
File name:swift!!!.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'019'904 bytes
First seen:2022-10-16 12:17:42 UTC
Last seen:2022-10-16 12:52:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Vzw/0yDP2FYeUi0TMo+rljOgUmbOw2F+yjRKMleL8QAQSQy4Ah:62Gji0TM3tOkTs2AtQy4A
TLSH T167258CBE1A954607E8153274C883D1F32AFBAD606061D1CB5AD32F6FBC452BF961334A
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)
File icon (PE):PE icon
dhash icon 9aa298d4d4b8a29a (18 x SnakeKeylogger, 10 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
386
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320659/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.44941.24990.27285.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/634bf67b339362a6061a9df3/reports/2c3987bd-dc9f-4c9e-83c4-837b149f79ed/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/7a6cadbe-c974-4822-a3a0-037199569bee
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1091385
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in 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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 723995 Sample: swift!!!.exe Startdate: 16/10/2022 Architecture: WINDOWS Score: 100 49 www.asiansniffs.com 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 9 swift!!!.exe 7 2->9         started        13 BjTkAqwWjtrX.exe 5 2->13         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\BjTkAqwWjtrX.exe, PE32 9->41 dropped 43 C:\Users\...\BjTkAqwWjtrX.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\...\tmpA5B2.tmp, XML 9->45 dropped 47 C:\Users\user\AppData\...\swift!!!.exe.log, ASCII 9->47 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 9->63 65 Adds a directory exclusion to Windows Defender 9->65 15 swift!!!.exe 9->15         started        18 powershell.exe 19 9->18         started        20 schtasks.exe 1 9->20         started        67 Multi AV Scanner detection for dropped file 13->67 69 Machine Learning detection for dropped file 13->69 22 BjTkAqwWjtrX.exe 13->22         started        24 schtasks.exe 1 13->24         started        26 BjTkAqwWjtrX.exe 13->26         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 28 explorer.exe 15->28 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process9 process10 36 cscript.exe 28->36         started        39 chkdsk.exe 28->39         started        signatures11 59 Modifies the context of a thread in another process (thread injection) 36->59 61 Maps a DLL or memory area into another process 36->61
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 02:04:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p5adpijyk7tlrsgwptnogantgke5fztphkpgdd5kwac34qwep3ma._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:5pdf rat spyware stealer trojan
Link:
https://tria.ge/reports/221016-pgldfshdhp/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d2f12318-813c-4000-8047-409e48e4c890
Unpacked files
SH256 hash:
96d65e9091e4ef2ffa34e6ebfaeaaadf54a8dadcd6632f232dbaff5bc7e268e8
MD5 hash:
7274e221fd11c9b20b633b43ced5d35f
SHA1 hash:
4ad51a6c1b28696dca6732ba29e1092511b2b28e
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
Parent samples :
d0c9d5f00d0620b708926f4a582f1d6ff405710c9533adfeaa9847c1f1f382d3
a942ff27c44b844b9b4b6c77a43fc5d454c009c8dc649cd381ca7d3a9e23792b
7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8
SH256 hash:
cbfcf073cde339949fe3eab881781f6c62d584ac0b29f334e8faed072ca16579
MD5 hash:
28b95c83033864d34769d355565a8f35
SHA1 hash:
f9601d8401a50b374cebe422a13ca1c5793937e7
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
SH256 hash:
e1fbe021a0865d4c919492a4ca83d9cdde2f06860237b2d1cc58181aed6def55
MD5 hash:
683447a814f95d47fcbfa6ff6904ab16
SHA1 hash:
ed6320a6f1081d944b792adb206757ccbf293c1c
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
SH256 hash:
f60f5d6f47c00893aef8ede618178b856c03456ab3fd9785e85a68467fa97036
MD5 hash:
92aa402e1728ff2aab8c344c38db319d
SHA1 hash:
a46d89644bbb0a3b96c8e15a77467e61681f8be9
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
SH256 hash:
7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8
MD5 hash:
836b6715dd9c615969d8e891e2a76387
SHA1 hash:
439f97a294b04395d63b855bc8903cf8bbfda2e6
Link:
https://www.unpac.me/results/7ef5c405-e360-4bd4-acb1-9eca92f3810a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8

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 7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/320659/

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