MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd05508fe06a7725b7b3f6c43cef2575936941dd55cb3d0b04c8a9817f8bd595. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd05508fe06a7725b7b3f6c43cef2575936941dd55cb3d0b04c8a9817f8bd595
SHA3-384 hash: 4b3cf91a9cde6d0f34f42575e63457c909a1805847bd844f824577963e58d8c877def7db6f86b863334dea26024e5cd6
SHA1 hash: 4c5d23896ec1926c016efe0aad14ef72fa8373e8
MD5 hash: 126cc77fd51ba57b25eea45467064077
humanhash: salami-quebec-solar-friend
File name:invoicecopy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:877'568 bytes
First seen:2022-05-20 12:21:00 UTC
Last seen:2022-05-20 12:48:13 UTC
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:P99/7/CmQi6YdBEor3M3FOKBSgGXKJClQnMmWQ8+GhaJD/h46tjehZHU/:P9YUddDH2dMmWrEeHY
TLSH T1DF15E1347654CD28C99E3937E3C325426BB655C3DF72C6096B8E67E21853283BD1B32A
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoicecopy.exe
Verdict:
No threats detected
Analysis date:
2022-05-20 21:23:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f58b14cf-1075-495c-b451-c85ff69483ca

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/272990/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.17754.19777.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe warp
Link:
https://www.filescan.io/uploads/628787be206e08161834ca4f/reports/2ba45f5c-6a30-49f3-9f00-01b41f856f1e/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2903fdd9-56c4-45e9-83ea-aafad9b72dd8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/998541
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates an undocumented autostart registry key
Found malware configuration
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 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 631037 Sample: invoicecopy.exe Startdate: 20/05/2022 Architecture: WINDOWS Score: 100 43 www.secretsoulmatesolution.com 2->43 45 www.jhatio.xyz 2->45 47 5 other IPs or domains 2->47 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 10 other signatures 2->57 11 invoicecopy.exe 1 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\invoicecopy.exe.log, ASCII 11->35 dropped 14 svchost.exe 11->14         started        process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 2 other signatures 14->75 17 explorer.exe 14->17 injected process8 dnsIp9 37 www.edu-onl-univ-net.com 188.114.97.10, 49791, 80 CLOUDFLARENETUS European Union 17->37 39 www.zaslavoy.com 45.130.41.26, 49793, 80 BEGET-ASRU Russian Federation 17->39 41 2 other IPs or domains 17->41 49 System process connects to network (likely due to code injection or exploit) 17->49 21 mstsc.exe 1 12 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 59 Creates an undocumented autostart registry key 21->59 61 Tries to steal Mail credentials (via file / registry access) 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 65 3 other signatures 21->65 26 cmd.exe 2 21->26         started        29 cmd.exe 1 21->29         started        process13 signatures14 67 Tries to harvest and steal browser information (history, passwords, etc) 26->67 31 conhost.exe 26->31         started        33 conhost.exe 29->33         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd05508fe06a7725b7b3f6c43cef2575936941dd55cb3d0b04c8a9817f8bd595/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-20 11:55:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xucvbd7anj3sln5t63cdz3zfowjwsqo5kxft2cyezcuyc74l2wkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:pzja loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220520-pja1habdf9/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
bd05508fe06a7725b7b3f6c43cef2575936941dd55cb3d0b04c8a9817f8bd595
MD5 hash:
126cc77fd51ba57b25eea45467064077
SHA1 hash:
4c5d23896ec1926c016efe0aad14ef72fa8373e8
Link:
https://www.unpac.me/results/4dd0b68b-d5a2-4fc6-97ff-2fa6601ff690/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/bd05508fe06a7725b7b3f6c43cef2575936941dd55cb3d0b04c8a9817f8bd595

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 bd05508fe06a7725b7b3f6c43cef2575936941dd55cb3d0b04c8a9817f8bd595

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/272990/

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