MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d
SHA3-384 hash: 271a4662d226346bd601abe84ff9343e55df39eff80805fcf83615af81315655b19d0da271d7ef1c3fcaf8e7a75642fb
SHA1 hash: 5eaeb77a0e804c062a314cb8c70abaa5d16feba3
MD5 hash: 227eec77c6eda60a64c4e5b51d5e51f6
humanhash: apart-finch-table-floor
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:891'904 bytes
First seen:2023-06-15 17:58:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:BgG1tCueii9iiBjUQE5JzXehReI5Pgbng:BgqtCDiNiBAHiReSPgk
Threatray 1'622 similar samples on MalwareBazaar
TLSH T17B1512162915492BC66E37B94F12237077FF8B867D05E2CB1D8FB4C9E856F881E20693
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 0661697171716906 (9 x AgentTesla, 4 x Loki, 4 x Formbook)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
338
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2023-06-15 17:58:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7f02ff93-8f65-457c-adfa-f2d10f45b2d4

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/399284/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.67495149.20791.268.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/648b5168e8a7749a2a22338f/reports/01c67c55-05ee-480d-9347-12d0d7fbbf7b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d
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/1078aa68-cff7-45e6-8323-7046966e5547
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1255503
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 888519 Sample: Purchase_Order.exe Startdate: 15/06/2023 Architecture: WINDOWS Score: 92 39 Malicious sample detected (through community Yara rule) 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 2 other signatures 2->45 7 Purchase_Order.exe 7 2->7         started        11 EiiSSvUctTst.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...iiSSvUctTst.exe, PE32 7->31 dropped 33 C:\Users\...iiSSvUctTst.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\Temp\tmp7BA.tmp, XML 7->35 dropped 37 C:\Users\user\...\Purchase_Order.exe.log, CSV 7->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 RegSvcs.exe 7->17         started        19 RegSvcs.exe 7->19         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 21 schtasks.exe 1 11->21         started        23 RegSvcs.exe 11->23         started        signatures5 process6 process7 25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 21->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-13 04:31:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2gr342e6uajvm26xnp62wletthd4cu3p4t7gevhzscu5n2lrcoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0335bef9440cae7dd60e617e31258a490b9598e3dfa1325bf79ca9eca5c4c720
Formbook
03f51ffa9c987630724a451ad872f52bf97bd257ad06b58b6194f5dec29c8f13
Formbook
19b7214fa574ae296ae0494841dbd55d213c422c8872867e1be8969bb6d0e812
Formbook
2df55ec2cbfe5ba2ddfd9a597a1c2dcfe3c91f211ba611180c97443773f79732
Formbook
34a8585e0643993caaaa6c3fcd9933354087422062d3c887dada1d65b570bfb3
Formbook
70d226c93cae74dfc4fc991b3fc74957cfb08881f53c232ed87e0d22cc5e30f1
Formbook
a022bc0ad88cce0b7ef8c68c7602003ff4150006503291b7ead2119ebdecb36d
Formbook
af7efb93740b9b9ee4cd6580a3eefa8298558c9f06b463eb44b03394cde441d5
Formbook
d96b4d0c1efd573f0833df766811861d8b116e92383da4543993971306ecbe4d
Formbook
f25beb74b5cbaeaf3ed9497d7c29d276fdf449f7c634dda71b72f2d9b5483f37
Formbook
+ 1'612 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230615-wkqkxaae91/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
70382ea1b363da419e2b0e806739138db40b4ec2ea276de2f1aefbd46ee66ac9
MD5 hash:
c260a705d14d1209ee29f226099010a1
SHA1 hash:
f7a97ae4da5562d1064bc7c94d7b68e184361bcf
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/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
Parent samples :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 hash:
69ae0d2e1c3e2bbbe5183e41b3ac08a711b71c2740e59fab69abc6b463b249ae
MD5 hash:
4fc5c70a26e153516338b2bd4a6df5fb
SHA1 hash:
6d7e91edb55a50e3aeacf06752101ae672badc50
Link:
https://www.unpac.me/results/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
Link:
https://www.unpac.me/results/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
SH256 hash:
13e9be0aba1cef3943954d2a204472356721075f8ecbfe565a476aec8346fdc6
MD5 hash:
4ce78b41df3f0bb4dff20793bcc9f78d
SHA1 hash:
4de22b09a356224b9916836ba2ee181d369d5f4f
Link:
https://www.unpac.me/results/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
SH256 hash:
38e538eab23592fcd1ddf53f11f4607c899a4313619a5916c9da9bdc9942f560
MD5 hash:
8723b23241c0dfbefae8206c81d4295d
SHA1 hash:
4c9c43dfa28e4da41cc2bb25ec7c08b4ca09e818
Link:
https://www.unpac.me/results/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
SH256 hash:
dad01149c730fba830d4cb8d2982d4ba6afe87b79e8834eceeb9aa70ee3a4738
MD5 hash:
d12cb733861a64408ba05f3ce9532e26
SHA1 hash:
47ef7e8819fa45267f8543bf8339430fb23803e6
Link:
https://www.unpac.me/results/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
SH256 hash:
4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d
MD5 hash:
227eec77c6eda60a64c4e5b51d5e51f6
SHA1 hash:
5eaeb77a0e804c062a314cb8c70abaa5d16feba3
Link:
https://www.unpac.me/results/a970bb10-6bdb-405c-a1dc-fcc3fdfa870a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4e8d1df344f5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d

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:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe 4e8d1df344f5009ab35ebb5fed59649cce3e0a9b7f27f312a7cc854eb74b889d

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/399284/

Comments