MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ca280d2c5ee9398048047d72c785b1927a7a09c1d4a637737b1d3902587f948. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ca280d2c5ee9398048047d72c785b1927a7a09c1d4a637737b1d3902587f948
SHA3-384 hash: df1cdf22359126244e3e3a8331c69ebf80b00ef438d515c94bb47f37b50758204a3b9f31fb15e16296fa121aa925a029
SHA1 hash: 7c1ce94a87e9a6a22bb2dd41699aeeb420bd98eb
MD5 hash: 585ffee9c2b9474ec8341fb107e1f036
humanhash: vermont-alanine-zulu-summer
File name:SwiftCopy72233.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:611'840 bytes
First seen:2022-09-07 06:53:18 UTC
Last seen:2022-09-12 07:51:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:nn5ON9f8gBy/9PKRvANuwCYg5bkw8F3y6VM+25BBFcpIpd:n5Tgy9iRvASY4bkw8F3d25sIp
TLSH T134D4024087E98F6AC5A94E3FDB118F5603749E431E27E31A4D042DBF4E17399C2846BB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SwiftCopy72233.exe
Verdict:
Suspicious activity
Analysis date:
2022-09-07 07:23:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9c7c776a-4da5-4030-8221-5713715da1ff

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/308347/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6318404ebdec86ddb45a85b6/reports/5ae2211b-8077-457e-bd0e-60ca356fe280/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d69ab7df-f31a-46d2-a7d0-e0eb3b284421
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1066140
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in 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
Snort IDS alert for network traffic
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 698666 Sample: SwiftCopy72233.exe Startdate: 07/09/2022 Architecture: WINDOWS Score: 100 31 www.justlasar.com 2->31 33 justlasar.com 2->33 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 8 other signatures 2->43 9 SwiftCopy72233.exe 1 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\SwiftCopy72233.exe.log, ASCII 9->23 dropped 53 Writes to foreign memory regions 9->53 55 Allocates memory in foreign processes 9->55 57 Injects a PE file into a foreign processes 9->57 13 RegAsm.exe 9->13         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.castlestuartgolf.co.uk 217.160.0.229, 49739, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->25 27 www.adaimieva.info 64.225.91.73, 49747, 49748, 49749 DIGITALOCEAN-ASNUS United States 16->27 29 3 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 colorcpl.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ca280d2c5ee9398048047d72c785b1927a7a09c1d4a637737b1d3902587f948/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-09-06 08:29:54 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsribuwf52jzqbeai7lsy6c3det2pie4dvfgg5zxwhjzajmh7fea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220907-hn73gabcb3/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
04b31c766fd446f9f233ad8d03505933c394c0213e5d9798a8f95d09246ecb77
MD5 hash:
4722ebc5657a10b35ec2c0e189a369c4
SHA1 hash:
fe740871eb43edbf01ce7f9516df4ae9078f5e56
Link:
https://www.unpac.me/results/941ea96a-3e02-49a5-aa9d-8a36ef992396/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/941ea96a-3e02-49a5-aa9d-8a36ef992396/
SH256 hash:
3ca280d2c5ee9398048047d72c785b1927a7a09c1d4a637737b1d3902587f948
MD5 hash:
585ffee9c2b9474ec8341fb107e1f036
SHA1 hash:
7c1ce94a87e9a6a22bb2dd41699aeeb420bd98eb
Link:
https://www.unpac.me/results/941ea96a-3e02-49a5-aa9d-8a36ef992396/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3ca280d2c5ee/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/3ca280d2c5ee9398048047d72c785b1927a7a09c1d4a637737b1d3902587f948

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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 3ca280d2c5ee9398048047d72c785b1927a7a09c1d4a637737b1d3902587f948

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/308347/

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