MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306
SHA3-384 hash: e4292437919fcfd29f4fbe44227b6ee93bc105f8fd6cdaa6404bb0cd480d3134ed0ae6795f2741d0890473395772c259
SHA1 hash: 438fdab98a57763d5e20ded10acec16239cee62e
MD5 hash: f53e5f9ab78a7332322a98152a66eca8
humanhash: ten-south-nine-six
File name:FedEx Shipping Documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:374'939 bytes
First seen:2023-01-25 20:26:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:IYa6DP8XKjcRan8DKCSTP9kr3SG206C6TRR12W3ocpckv+m6Y0tYfc:IYmajc52CYqz231lWkvFI4c
TLSH T11D84DF87F2AD931EEEE945F2347E02B046D59F2B54A05E81B5CAFF3E007245D26282D7
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 2d6d8d2722594c74 (7 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe FedEx FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
FedEx Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-01-25 20:29:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9e9b670f-f8ee-49d5-bd79-ef1de857d1a2

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/356836/
Detection(s):
Win.Dropper.LokiBot-9984680-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Reading critical registry keys
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63069/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lokibot overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d190992d4f6d560e22ed99/reports/706010ab-cc93-48a1-be9b-9c5013cca1f2/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1b9fdaeb-b888-4fef-87e4-ebe4be3a3387
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159050
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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
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 dnsIp2 2 Behavior Graph ID: 791791 Sample: FedEx Shipping Documents.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 30 www.drainshot.com 2->30 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 4 other signatures 2->52 10 FedEx Shipping Documents.exe 19 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\...\ouulutd.exe, PE32 10->28 dropped 13 ouulutd.exe 10->13         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 13->66 68 Detected unpacking (changes PE section rights) 13->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->70 72 Maps a DLL or memory area into another process 13->72 16 ouulutd.exe 13->16         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 19 explorer.exe 2 1 16->19 injected process10 dnsIp11 32 www.dorothys.xyz 208.91.197.91, 49695, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 19->32 34 www.baiduysh.com 207.60.236.203, 49698, 49699, 80 COGENT-174US United States 19->34 36 11 other IPs or domains 19->36 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Performs DNS queries to domains with low reputation 19->56 23 WWAHost.exe 13 19->23         started        26 autofmt.exe 19->26         started        signatures12 process13 signatures14 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 13:03:30 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fkbtc76ygndjbvop3f4e23fg6ouz7kk2axebzd5zj3nmpn7qmmda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230125-y8evescb2v/
Behaviour
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
a16dd657f58f77fc7a36e1d73ad65df55c3c8d350d77a68d242bbaed50c47d86
MD5 hash:
27e432bbe21b1b36c320630dfc2501cf
SHA1 hash:
e90bff574c270040c35005560dc6cdc2b5eb5d2e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1bce25ac-9e6f-49cc-b0fe-913aeffdf978/
Parent samples :
2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306
6d4fce8c50efc17742ec19fc86a78d00e5907889459049f0492e5d9211a9a224
7a42b95f500f68f00ef0b4338bd515235d6d2b67a16513e7c3866d990e6d7a0e
cd254417c6d96f24f105a03c4aee7711692bfcc7a767180163d42d4bc5752b2b
43dbcc71737c54b9bcd7f5cc12d2f3d332bf8ca7e80f594725230c44614c5ab9
0067b252ab478516ec30b56fbb160b7210083c5d10f1b06c4233a3f92bdec28a
SH256 hash:
1d3ba0a7a8a4428fc3eeda4d35bd9a513a550178f209a51ca52602d9bed373b4
MD5 hash:
5b5030fe6527824a1aaf4768b79ee919
SHA1 hash:
094ae39966bd622a4c7c3e4945ef524448e992ce
Link:
https://www.unpac.me/results/1bce25ac-9e6f-49cc-b0fe-913aeffdf978/
SH256 hash:
e67f4212c0e12a3e348db84309fb7e3393f448228264276ea0e8eb55d121caed
MD5 hash:
0de5c6263e1f233cd8ff384c0bc166aa
SHA1 hash:
8b03efab2b4071accb9aacd75d444c72b02ec423
Link:
https://www.unpac.me/results/1bce25ac-9e6f-49cc-b0fe-913aeffdf978/
SH256 hash:
2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306
MD5 hash:
f53e5f9ab78a7332322a98152a66eca8
SHA1 hash:
438fdab98a57763d5e20ded10acec16239cee62e
Link:
https://www.unpac.me/results/1bce25ac-9e6f-49cc-b0fe-913aeffdf978/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a83317fd833/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/2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306

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:azov_Dropped
Create hunting rule
Author:Potatech
Description:Azov Detection
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.

File information

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

Malspam

Formbook

Executable exe 2a83317fd8334690d5cfd9784d6ca6f3a99fa95a05c81c8fb94edac7b7f06306

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/356836/

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