MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb1d5c8b2bd6b47bfeea96c2d66155232e2b67a2e6382980af8ee36bdb31362a. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: fb1d5c8b2bd6b47bfeea96c2d66155232e2b67a2e6382980af8ee36bdb31362a
SHA3-384 hash: 58c70ccc88e7923edffaba1a5f2601ad6bce4e885eaf424a6e0e8c16342bb67baf53843f19c58edced608b4f8cf64b98
SHA1 hash: 52ed230466785e162fef5041a483ed77d7c9706f
MD5 hash: a50145923e7ce3a781c623a38bf8009a
humanhash: alaska-maine-quiet-hotel
File name:Halkbank,pdf.exe
Download: download sample
Signature Formbook
File size:856'576 bytes
First seen:2022-01-25 20:06:17 UTC
Last seen:2022-01-25 22:12:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:QVS6DPCVkfrFwbAdbcyqiaFZfNuYKlVxkDkQ4AuNiZuKV1naNWnEX9ECK7iE9:QVS6bCaHvEFZsYKjQ4AuoZDpaxt8
TLSH T11605E0007BA4C772D57A9BF814F220148BF5395AA53DE1D96CCB62DB0BB9F209162F07
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-01-25 20:12:02 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 559947 Sample: Halkbank,pdf.exe Startdate: 26/01/2022 Architecture: WINDOWS Score: 100 33 www.strumagokart.quest 2->33 35 www.samudombang.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 Halkbank,pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Halkbank,pdf.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 Halkbank,pdf.exe 11->15         started        18 Halkbank,pdf.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.myveguiolcusbyopappgroup.com 162.144.34.39, 49795, 80 UNIFIEDLAYER-AS-1US United States 20->37 39 www.jypmore.quest 37.123.118.150, 49788, 49819, 80 UK2NET-ASGB United Kingdom 20->39 41 9 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 55 Uses ipconfig to lookup or modify the Windows network settings 20->55 24 ipconfig.exe 20->24         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 24->57 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2022-01-25 12:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n8bs loader rat
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
dd868f6769608967d3615244d33f6e8f88503caa101351338fe9e2f6df080b49
MD5 hash:
0c2beadcf112154928bd1073c4215742
SHA1 hash:
8f0006164b2acdfd43b5d65361d2f1be79c86fd6
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
SH256 hash:
7d79fda7b05b41c3f9dd822a7cbe6ee41bf43de3a6d5162221dff04e41eaebda
MD5 hash:
89c3b058b7660e9066450200970fd354
SHA1 hash:
486e35f20f51e35a2333d97908035cdc1b9d73a9
SH256 hash:
fb1d5c8b2bd6b47bfeea96c2d66155232e2b67a2e6382980af8ee36bdb31362a
MD5 hash:
a50145923e7ce3a781c623a38bf8009a
SHA1 hash:
52ed230466785e162fef5041a483ed77d7c9706f
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 fb1d5c8b2bd6b47bfeea96c2d66155232e2b67a2e6382980af8ee36bdb31362a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments