MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d7794808b4b21290ade85cdf843994b685623fdeec4c2f18ecb51e1c8cfb9bd. 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 5 File information Comments
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SHA256 hash: 5d7794808b4b21290ade85cdf843994b685623fdeec4c2f18ecb51e1c8cfb9bd
SHA3-384 hash: cadbb6cd19b9a1be0fa2d52087bbd58236ca48ea76d261e52ffdf1354964ec8b645fdc6853aae3995169e7067041af07
SHA1 hash: 97a4fe6b145be13d9679da69c10711f8e825c6f8
MD5 hash: 72716594f35f6ba3e5c693860256112c
humanhash: winner-william-wolfram-winner
File name:Payment Advice Note from 20.12.2022.exe
Download: download sample
Signature Formbook
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File size:232'539 bytes
First seen:2022-12-27 07:32:27 UTC
Last seen:2022-12-27 09:41:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:rkwW3ekoyTrZXdWG2si5EZ8/bolZQbs+9sSS:Q3dbIGNOXosbs+91S
TLSH T1DB34023760C0C5F7DA564972BCF61A7ED7FBC38405909A9B6B500FBE6A174C71C0A0A6
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Payment Advice Note from 20.12.2022.exe
Verdict:
Malicious activity
Analysis date:
2022-12-27 07:33:38 UTC
Tags:
installer formbook xloader
Link:
https://app.any.run/tasks/5473441a-8297-4173-86a1-cb1e6abe0b87

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64405544.27902.24175.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63aa9fafb9b1c173751fb92c/reports/9a2ec338-0e98-4fd9-a33a-20ba94ba63c6/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/36197916-f69b-4826-b9e2-ba27e1fbb2ab
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1141405
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
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
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 774135 Sample: Payment Advice Note from 20... Startdate: 27/12/2022 Architecture: WINDOWS Score: 100 36 www.hollandshirt.online 2->36 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 5 other signatures 2->58 12 Payment Advice Note from 20.12.2022.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\pduiyevnc.exe, PE32 12->34 dropped 15 pduiyevnc.exe 1 12->15         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 15->70 72 Maps a DLL or memory area into another process 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 pduiyevnc.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 23 explorer.exe 18->23 injected process10 dnsIp11 38 www.edfitzgerald.org 167.114.206.193, 49711, 80 OVHFR Canada 23->38 40 www.drzjup.space 172.255.33.179, 49708, 80 LEASEWEB-USA-SFO-12US United States 23->40 42 7 other IPs or domains 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 62 Uses ipconfig to lookup or modify the Windows network settings 23->62 27 ipconfig.exe 23->27         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5d7794808b4b21290ade85cdf843994b685623fdeec4c2f18ecb51e1c8cfb9bd/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-20 12:47:58 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lv3zjaeljmqsscw6qxg7qq4zjnufmi7553cmf4mozni6dsgpxg6q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:poub loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221227-jdkpvshf6y/
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
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Executes dropped EXE
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
ca56268d4001f6d64513e45c19cb38db0953bf755eb4db62660355006549d904
MD5 hash:
b7463fa0d6c8c0845ad95df71146af7d
SHA1 hash:
f96bed594f3bf9447f925a8c18785d6f758c2b6d
Detections:
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/efc651f9-15bc-4bf5-a1ae-a7c02a796999/
Parent samples :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 hash:
6432e0423f49d1324d2b698cc8bcf463e56bbb243bba809951e2f01b8e0a6d60
MD5 hash:
e79b12ade99c344cad8e1a3f2dcefddd
SHA1 hash:
0712aa68f8a7e1475c65b4e3b1b3453c0a447d0a
Link:
https://www.unpac.me/results/efc651f9-15bc-4bf5-a1ae-a7c02a796999/
SH256 hash:
5d7794808b4b21290ade85cdf843994b685623fdeec4c2f18ecb51e1c8cfb9bd
MD5 hash:
72716594f35f6ba3e5c693860256112c
SHA1 hash:
97a4fe6b145be13d9679da69c10711f8e825c6f8
Link:
https://www.unpac.me/results/efc651f9-15bc-4bf5-a1ae-a7c02a796999/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d7794808b4b/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/5d7794808b4b21290ade85cdf843994b685623fdeec4c2f18ecb51e1c8cfb9bd

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
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Author:Willi Ballenthin
Rule name:meth_stackstrings
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Author:Willi Ballenthin
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 5d7794808b4b21290ade85cdf843994b685623fdeec4c2f18ecb51e1c8cfb9bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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