MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273
SHA3-384 hash: d3922559ca219bee3e997d523a27c3f34bdf5ffc9150b34f9212395e633996e81bdc06be8248a91d28452cac5226b773
SHA1 hash: 6d5ad6ec8fa83e650103cd339c8fc979f0073ead
MD5 hash: de957e259418fa386a39e294aeb807a9
humanhash: edward-oscar-london-october
File name:Purchase Order 14407.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:590'336 bytes
First seen:2023-10-22 07:21:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:PzY/jnIt0IByAg84676D7w4l6RyncFiQ5FN/rKs8u:PMLnIOIgALCwlRacFZ5T
Threatray 110 similar samples on MalwareBazaar
TLSH T193C412293390B0BFC837967A9AA01D60A730147B676FC306945725DD9E4E6A78F01BF3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon c02b1733b21723c0 (13 x AgentTesla, 10 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Purchase Order 14407.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 08:27:33 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/84628ca9-bc28-4edc-abc8-729d625e1ae1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2430.5511.26293.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6534cda32b74b3f20dd70b80/reports/90873c7b-c4f0-4d88-a6c4-55aea46cea30/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273
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/4e8ac2c6-6a15-487b-9d6c-6a9fbe1e873c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1329929
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for domain / URL
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329929 Sample: Purchase_Order_14407.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 34 www.poorexcuses.com 2->34 36 www.ofcure.com 2->36 38 13 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 10 other signatures 2->48 11 Purchase_Order_14407.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 Purchase_Order_14407.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 7 1 14->17 injected process8 dnsIp9 28 poorexcuses.com 67.223.118.17, 80 VIMRO-AS15189US United States 17->28 30 www.gaasmantech.net 209.17.116.163, 49730, 80 DEFENSE-NETUS United States 17->30 32 6 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 12 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 04:12:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=643rp3pfbqfogvz4gsq4zietvefw4urgl7jgxc73x7xfxbgvojzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed
Formbook
69b9df80a0b730564b2b56e235646d630d2bfd6d968b967f568dc298a22c6ec0
Formbook
7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
Formbook
982a9a52e532bbfe52941c4ab95c2899c1af75e9a3eee2b1977e3f49e8a3e71e
Formbook
b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
Formbook
bbcaa127862b5b70b5a833b3136f431c03a9165dd0a4646ba78922ebcc7ebdc3
Formbook
c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
Formbook
+ 100 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cy12 rat spyware stealer trojan
Link:
https://tria.ge/reports/231022-h683gsea7t/
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
Unpacked files
SH256 hash:
4a9d07661cd9d50acf8d0e3168660d7bace07e7a6e4bf8eb839805a65c9bbcf3
MD5 hash:
e0e8195b344f306a4f521b8f52706c43
SHA1 hash:
223704494cf56236f0cca5a4f8af2f42ec4ee0bf
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2c4e5b60-9789-4f85-b203-b247bcfb730c/
Parent samples :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 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/2c4e5b60-9789-4f85-b203-b247bcfb730c/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/2c4e5b60-9789-4f85-b203-b247bcfb730c/
SH256 hash:
4baf0415c372796eed51e49c9475323e947ffa2845d95082b0ae0a9f2ce62a41
MD5 hash:
6a75fa982beb9d943d49fa6d5ea37d19
SHA1 hash:
9d66bc80fad77fbe730a6914742afa98744e218e
Link:
https://www.unpac.me/results/2c4e5b60-9789-4f85-b203-b247bcfb730c/
SH256 hash:
f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273
MD5 hash:
de957e259418fa386a39e294aeb807a9
SHA1 hash:
6d5ad6ec8fa83e650103cd339c8fc979f0073ead
Link:
https://www.unpac.me/results/2c4e5b60-9789-4f85-b203-b247bcfb730c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f73717ede50c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 f73717ede50c0ae3573c34a1cca093a90b6e52265fd26b8bfbbfee5b84d57273

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments