MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a
SHA3-384 hash: b54d445e240c8e07b40524109fb0761c0cf34bcc7123dac615bd3342d3636e98b845556dcbb1e9d094358be4ae8fe97e
SHA1 hash: bf5f909905dca3d2863d0a539104a762f56766c6
MD5 hash: c98adb2ee3ba71a359f88efbe11ebf62
humanhash: rugby-ten-rugby-blossom
File name:Sample order confirmation-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:997'376 bytes
First seen:2022-11-03 23:31:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:S6yQu6n0oHLU/UhMIDDoq1Q0bcxAuQFE0HujkGztFrOtLt:S6y3EY/U6WMk1bcx2PQvrOpt
Threatray 17'732 similar samples on MalwareBazaar
TLSH T10725E03217E29B0EC4175234CDE2C3B0AFE85EB5D271C2475FDABC6BF55B1A6AA10184
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 GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sample order confirmation-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-11-03 23:34:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8e06f59a-dc2c-49ba-85e5-336bf7ccfb6c

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/328276/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63644f733c6c57b4ec40e5e3/reports/23920091-18c7-4ebf-9174-a7ee2d753879/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/4d2ad67b-d8c1-4ee3-979d-d623ef0e3208
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1104944
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737607 Sample: Sample order confirmation-p... Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 55 www.bigmuttmarketing.com 2->55 57 bigmuttmarketing.com 2->57 69 Multi AV Scanner detection for domain / URL 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 12 other signatures 2->75 11 Sample order confirmation-pdf-.exe 7 2->11         started        15 NvangP.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming47vangP.exe, PE32 11->47 dropped 49 C:\Users\user\...49vangP.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmpC89D.tmp, XML 11->51 dropped 53 C:\...\Sample order confirmation-pdf-.exe.log, ASCII 11->53 dropped 83 Adds a directory exclusion to Windows Defender 11->83 85 Injects a PE file into a foreign processes 11->85 17 Sample order confirmation-pdf-.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        87 Multi AV Scanner detection for dropped file 15->87 89 Tries to detect virtualization through RDTSC time measurements 15->89 24 NvangP.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 17->61 63 Maps a DLL or memory area into another process 17->63 65 Sample uses process hollowing technique 17->65 67 Queues an APC in another process (thread injection) 17->67 28 explorer.exe 17->28 injected 32 control.exe 17->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        process9 dnsIp10 59 www.wealthgenerationinfoursteps.com 198.54.117.242, 49705, 80 NAMECHEAP-NETUS United States 28->59 91 System process connects to network (likely due to code injection or exploit) 28->91 40 help.exe 28->40         started        93 Tries to detect virtualization through RDTSC time measurements 32->93 signatures11 process12 signatures13 77 Modifies the context of a thread in another process (thread injection) 40->77 79 Maps a DLL or memory area into another process 40->79 81 Tries to detect virtualization through RDTSC time measurements 40->81 43 cmd.exe 1 40->43         started        process14 process15 45 conhost.exe 43->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-01 02:41:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeuk4ukf7r6gmaksgvbi3puajxpgtkxxyt7q4yrq7cog4t7765va._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a8b952a910a7278793ed7f7373b628afe07138aedde676453482806b2ea7b0b
Formbook
48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4
Formbook
566b1792d888a840627496095ec7ef8fb969dda1390de7cbb33b91ad3a2005ac
Formbook
60e030997c5371909ff1cff1f037b7131c4a21ccc56d0e28cb0a561befc8b0c7
Formbook
799f2a0ffb44227ece78b8ea8df29e6eb4b09c0d6256ce7920e7948aab2924ac
Formbook
9fdb9a2f37301c92127d7c8efcf941acae143968f98c01704453bf6acda3ac45
Formbook
baf5d53f07c0cc8ed9ba7055cc91a18b936d0342e0792f618ee6846cbb8859b6
Formbook
c48d62d8d6f694ec85fb1c5661b0d09ade998b6ae765a47d28c3b8cf5849bf87
Formbook
+ 17'722 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a20e rat spyware stealer trojan
Link:
https://tria.ge/reports/221103-3h9pbsggb7/
Behaviour
Creates scheduled task(s)
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
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/14230ccb-5fd8-4904-8fc3-6200dc96c85c
Unpacked files
SH256 hash:
401d37bb542e818ee49038c652fa9d769d216b912fbf638b768d2370cd184854
MD5 hash:
705e49ed906ae2317fb8f126f2ab2f4b
SHA1 hash:
33996978fe870cb59c5bf620bf4c38415ffe1e37
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/89b35a4b-52e1-49a0-b908-898bb95220a6/
Parent samples :
10758789ca875d9783a8988e0b0dbfd88f75a6ac0eb544b5b37241492223fdd1
0efdd0e8aee22b54cf59895aa7ff5dcf84ccefed62dcdde3fd2ea83c56d28084
9a08fda66d16f86ef516a81de248994dd1559d5ee2a1eda0ff01fc1e201df58e
566b1792d888a840627496095ec7ef8fb969dda1390de7cbb33b91ad3a2005ac
b9fb4c44ec5a153f4f4bfcbfa4af6db9b7fc3355ad87796740bc64c021750729
d89328f47ab6375b8a1ef3bc65d9ba39b71bf7a96178ca0a044d87bf7ced3030
e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709
c5d35a6e446100b36d3421ece29d936dc013fe088f05bcf86e947d1845403485
60e030997c5371909ff1cff1f037b7131c4a21ccc56d0e28cb0a561befc8b0c7
c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a
2c93f13378494ff49e5b0d019538efd6c35d3c745bbcf9fe6e28688133d3f76f
9f45c62cca089f9452a56fb22a43bc373514ca2bbe6a6618b179090f5e7fa975
8ced3b47bed5c4a21219e9857f092343bfd2a66c53c18489aa0c0ecab733aebf
7467efea87f019ef06f012f2b8bdd694106b06442fa7f1a9541051cd28cc3f2b
0a945bb9d22fe4330c70ef916aeaf9a375661c758a8ae6e60effbd725b95baf0
f5ff6c0e2357f1fed6377b327e44824d4f83fe8303427a89cdf310d2cf4cbac5
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/89b35a4b-52e1-49a0-b908-898bb95220a6/
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/89b35a4b-52e1-49a0-b908-898bb95220a6/
SH256 hash:
44b37368e3401174f6d04ae7a7e8d0cba503c9be601736b6b77cfac82421abb0
MD5 hash:
94ce4fa11359d6a17af6a34963163ebb
SHA1 hash:
2d79946716207ed1dd911e855f4f422aeaeda5c1
Link:
https://www.unpac.me/results/89b35a4b-52e1-49a0-b908-898bb95220a6/
SH256 hash:
bfb3a8ec33b3d92190fb1dcf8e6a3f3afe7cf451a8cdf13fadd95ce69f3de71f
MD5 hash:
ef70fc1a5a76495dc81daef5278b5cc6
SHA1 hash:
145a450a2cdea5767345b2e9adf9ccfa77ad58db
Link:
https://www.unpac.me/results/89b35a4b-52e1-49a0-b908-898bb95220a6/
SH256 hash:
c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a
MD5 hash:
c98adb2ee3ba71a359f88efbe11ebf62
SHA1 hash:
bf5f909905dca3d2863d0a539104a762f56766c6
Link:
https://www.unpac.me/results/89b35a4b-52e1-49a0-b908-898bb95220a6/
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/c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a

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: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 c928ae5145fc7c66015235428dbe804dde69aaf7c4ff0e6230f89c6e4ffff76a

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/328276/

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