MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72
SHA3-384 hash: c8ca8d3e8f3752a8a753ef3bed49177a94624eaf5e7d0f65d3aec4081631086a415eb7eefa19e59ecde31a7b8a2f5ca7
SHA1 hash: 2f97f0fa0173128257a384f47f4ff35bf52a8ee1
MD5 hash: 0fcbbeb8d255f58d082dfdf6d412e525
humanhash: louisiana-yellow-eight-kentucky
File name:Swift-Copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:256'605 bytes
First seen:2023-03-06 10:39:27 UTC
Last seen:2023-03-13 07:11:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6qhDgMVhB67CvXsTIINfZmXOTPxyBYAJX4M:/YMGMeqYNAeTEyaX4M
Threatray 2'337 similar samples on MalwareBazaar
TLSH T1EC44021427F0C4BBF97606304B7953B76AB6BA0014B8861FB7A49B0C7E37657480FB62
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift-Copy.exe
Verdict:
Malicious activity
Analysis date:
2023-03-06 10:47:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/509931a5-b18c-4e06-84a5-891340cce810

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/371912/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6405c3050e8ce4beca25d2db/reports/a9d0dc36-876c-4535-a793-a69796b1b6bf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/82f114bb-3d04-4c79-b8fa-35f279e46f09
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1187701
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 820575 Sample: Swift-Copy.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 3 other signatures 2->39 9 Swift-Copy.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\jygtf.exe, PE32 9->25 dropped 12 jygtf.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 jygtf.exe 12->15         started        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 4 6 15->18 injected process9 dnsIp10 27 www.bleclear.xyz 192.64.116.162, 49727, 49728, 49729 NAMECHEAP-NETUS United States 18->27 29 www.ectdamageoutlaytospe.xyz 198.54.117.242, 49713, 49716, 49717 NAMECHEAP-NETUS United States 18->29 31 9 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 cscript.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-06 10:40:40 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zvnd3n3jjepf5gyz72hsoa2fn6bnxujixk5m6vfmdreulb3gl5za._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
195c2339e793e897abd2ceb7fc3d675f7af1fb4b60fdf1a8d736fb4c3e35372f
Formbook
3e677355817c5d7cf457b670c028523f420442374463e5aa23f5c195ae290472
Formbook
428aee241022499cbd49907635162f116e24792b117490949fa3527dc130b90f
Formbook
596582af66790eee7160b485c4fa5d060b3c820af83343fe4c12fa360043a09f
Formbook
804b5ea31eb2d266580093c2a144a1f62ef1ba88e39d2de9d79bbad405408197
Formbook
ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
Formbook
b15e539ba1801af269c976fa743708a0fc474fcdf6ba3a7433a08dfbf9eb1425
Formbook
f51bdb3c0026435904048abffb411be8b57143de59d0e66a3e2dfa3f2e5692ad
Formbook
+ 2'327 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230306-mqjj4sbc3s/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
1f500326b38064e60fea053133932cd52b0966caa33c1d937b975a14e9a9dc3e
MD5 hash:
62126b7c9614cbc65d2559cdd65d11ae
SHA1 hash:
3067025be62143d5d97fd128e947d1d1559a5bbd
Link:
https://www.unpac.me/results/19a754cb-7766-43ce-8335-f909ac06d65f/
SH256 hash:
cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72
MD5 hash:
0fcbbeb8d255f58d082dfdf6d412e525
SHA1 hash:
2f97f0fa0173128257a384f47f4ff35bf52a8ee1
Link:
https://www.unpac.me/results/19a754cb-7766-43ce-8335-f909ac06d65f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd5a3db76949/report/overview.html
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/cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

zip e1f83ac2f6c929643ce7bf3878b87432f71ba6368089d20475a72f8944979aa6

Formbook

Executable exe cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e1f83ac2f6c929643ce7bf3878b87432f71ba6368089d20475a72f8944979aa6
Cape
Cape
https://www.capesandbox.com/analysis/371912/
  
Dropped by
MD5 642db35a1e0a03b3db2a7f8ab272dc9a

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