MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcc711216f936b8631255ef36c805bd978a55ce3516dce7693393fee91cc8022. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
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SHA256 hash: bcc711216f936b8631255ef36c805bd978a55ce3516dce7693393fee91cc8022
SHA3-384 hash: 328a10335c31a84c3401d4821ba523d930d5acb1a92182021dfd73b324cde3bbe869597d3e90d5f9e7ddf2a1c0f357d3
SHA1 hash: 595698e40cd34641767ab56d067bb24f9986d073
MD5 hash: 856966dccaaad8e7e30db4d15faa5f69
humanhash: harry-sweet-undress-mars
File name:Bximae.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:138'240 bytes
First seen:2022-06-14 14:53:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:8LbOwsBk1e6Ouq//VE4LA1jcdZfb93mI:8LbOwUSOu09EJByjMI
TLSH T11FD3F78DB9C949D6CF6532B7F3E3E96105457C9F46288B1AE3A3374ACFF24810623916
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)
File icon (PE):PE icon
dhash icon 8ab29ab2b2d29aaa (6 x Formbook, 3 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bximae.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 21:23:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6aba0b28-0048-4909-81c0-523b645bbef4

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/279857/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a8a0e873b91c38f68e4ed0/reports/e5ebc400-5a26-4165-80ed-5871ddea7c87/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d7bfc1e4-7211-4498-9752-0eb8649f02bb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013029
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645525 Sample: Bximae.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 84 www.get-eic-agency.net 2->84 86 get-eic-agency.net 2->86 110 Snort IDS alert for network traffic 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 Antivirus detection for URL or domain 2->114 116 8 other signatures 2->116 11 Bximae.exe 16 7 2->11         started        signatures3 process4 dnsIp5 94 cdn.discordapp.com 162.159.129.233, 443, 49858, 49945 CLOUDFLARENETUS United States 11->94 72 C:\Users\user\AppData\Roaming\...\Lulfry.exe, PE32 11->72 dropped 74 C:\Users\user\...\Lulfry.exe:Zone.Identifier, ASCII 11->74 dropped 76 C:\Users\user\AppData\...\Bximae.exe.log, ASCII 11->76 dropped 15 InstallUtil.exe 11->15         started        18 cmd.exe 1 11->18         started        20 powershell.exe 13 11->20         started        file6 process7 signatures8 120 Modifies the context of a thread in another process (thread injection) 15->120 122 Maps a DLL or memory area into another process 15->122 124 Sample uses process hollowing technique 15->124 126 2 other signatures 15->126 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        30 conhost.exe 20->30         started        process9 dnsIp10 88 www.heelsandkeels.net 64.98.145.30, 49946, 80 TUCOWS-3CA Canada 22->88 90 www.gain-usonlinejob.com 188.114.96.3, 49947, 80 CLOUDFLARENETUS European Union 22->90 92 3 other IPs or domains 22->92 118 System process connects to network (likely due to code injection or exploit) 22->118 32 Lulfry.exe 14 4 22->32         started        36 svchost.exe 22->36         started        38 Lulfry.exe 3 22->38         started        40 autochk.exe 22->40         started        signatures11 process12 dnsIp13 78 162.159.134.233, 443, 49943 CLOUDFLARENETUS United States 32->78 80 cdn.discordapp.com 32->80 96 Multi AV Scanner detection for dropped file 32->96 98 Machine Learning detection for dropped file 32->98 100 Writes to foreign memory regions 32->100 42 cmd.exe 32->42         started        44 powershell.exe 14 32->44         started        46 InstallUtil.exe 32->46         started        102 Modifies the context of a thread in another process (thread injection) 36->102 104 Maps a DLL or memory area into another process 36->104 106 Tries to detect virtualization through RDTSC time measurements 36->106 48 cmd.exe 36->48         started        82 cdn.discordapp.com 38->82 108 Injects a PE file into a foreign processes 38->108 50 cmd.exe 38->50         started        52 powershell.exe 38->52         started        54 InstallUtil.exe 38->54         started        56 InstallUtil.exe 38->56         started        signatures14 process15 process16 58 conhost.exe 42->58         started        60 timeout.exe 42->60         started        62 conhost.exe 44->62         started        64 conhost.exe 48->64         started        66 conhost.exe 50->66         started        68 timeout.exe 50->68         started        70 conhost.exe 52->70         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcc711216f936b8631255ef36c805bd978a55ce3516dce7693393fee91cc8022/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-14 14:41:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtdrcilpsnvymmjfl3zwzac33f4kkxhdkfw445uthe765eomqara._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:kunf loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220614-r9vtpsehak/
Behaviour
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
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:
bcc711216f936b8631255ef36c805bd978a55ce3516dce7693393fee91cc8022
MD5 hash:
856966dccaaad8e7e30db4d15faa5f69
SHA1 hash:
595698e40cd34641767ab56d067bb24f9986d073
Link:
https://www.unpac.me/results/749de9df-61e2-41e1-8e1f-194d29e41daa/
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/bcc711216f936b8631255ef36c805bd978a55ce3516dce7693393fee91cc8022

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe bcc711216f936b8631255ef36c805bd978a55ce3516dce7693393fee91cc8022

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/279857/

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