MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e44419db3c7053d27cfe777eab3511f4861095e416875bcf1a52909d782cb453. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e44419db3c7053d27cfe777eab3511f4861095e416875bcf1a52909d782cb453
SHA3-384 hash: aca7c7c2c7d759f982e9704c8d0a67eb739fb3b66e668d30bc471a74228871028ac1e51184fc3517412b3014e4602661
SHA1 hash: 5725eee8d96e167de4a0bf7edacc1686ced07a20
MD5 hash: 40c37050c249f05871e545b3f03a6261
humanhash: pip-virginia-twelve-winner
File name:40c37050c249f05871e545b3f03a6261
Download: download sample
Signature Formbook
Create hunting rule
File size:471'040 bytes
First seen:2021-11-12 12:34:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:7T+QbtD00WroMuFq9Vqc94yTu3tscpHoQHCa8:/9C0WvVqc9RTu3KwD
TLSH T1DFA4F22A3F58DE45D6364A3EC8EEC05407FCB4996852D769BFC923CF69227410C606AF
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205294/
Detection(s):
Win.Packed.Msilzilla-9907552-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/618e5f793edf00a722d04ed8/reports/0bd300c8-bc82-4489-96f3-17f6672706fa/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/282a90f3-dadf-4b8b-b183-b2f3e16de730
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/888112
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 520585 Sample: ZbtQXhvyop Startdate: 12/11/2021 Architecture: WINDOWS Score: 100 34 www.khojcity.com 2->34 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 11 ZbtQXhvyop.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\ZbtQXhvyop.exe.log, ASCII 11->32 dropped 52 Writes to foreign memory regions 11->52 54 Allocates memory in foreign processes 11->54 56 Injects a PE file into a foreign processes 11->56 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 58 Modifies the context of a thread in another process (thread injection) 15->58 60 Maps a DLL or memory area into another process 15->60 62 Sample uses process hollowing technique 15->62 64 2 other signatures 15->64 18 explorer.exe 15->18 injected process9 process10 20 svchost.exe 18->20         started        signatures11 46 Modifies the context of a thread in another process (thread injection) 20->46 48 Maps a DLL or memory area into another process 20->48 50 Tries to detect virtualization through RDTSC time measurements 20->50 23 explorer.exe 1 156 20->23         started        26 cmd.exe 1 20->26         started        28 explorer.exe 84 20->28         started        process12 dnsIp13 36 192.168.2.1 unknown unknown 23->36 30 conhost.exe 26->30         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e44419db3c7053d27cfe777eab3511f4861095e416875bcf1a52909d782cb453/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-11 00:14:25 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nk6l rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211112-psb9xsaeak/
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.rthearts.com/nk6l/
Unpacked files
SH256 hash:
ac8ffee6242d87711cf8a4c3fb3782af3af5713455922cac8656bb2b99c9dfdf
MD5 hash:
6f2ba27d08cd78b51cb9ded892d51e17
SHA1 hash:
9d539c802fde478d6c69197d0c9e2b71f9912641
Link:
https://www.unpac.me/results/7a780e24-892c-4b94-8799-29889d0064ce/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/7a780e24-892c-4b94-8799-29889d0064ce/
SH256 hash:
e24ffd2ae582c20b1b6155377f5b31cc7eba94f214fecbdeffa3d5b5c42f63fe
MD5 hash:
46e5cfa195b87ce2d352b9985bc03fe8
SHA1 hash:
4e058350d01b3445f41cf671603a6b507d2b6dd5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7a780e24-892c-4b94-8799-29889d0064ce/
Parent samples :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 hash:
e44419db3c7053d27cfe777eab3511f4861095e416875bcf1a52909d782cb453
MD5 hash:
40c37050c249f05871e545b3f03a6261
SHA1 hash:
5725eee8d96e167de4a0bf7edacc1686ced07a20
Link:
https://www.unpac.me/results/7a780e24-892c-4b94-8799-29889d0064ce/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e44419db3c70/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e44419db3c7053d27cfe777eab3511f4861095e416875bcf1a52909d782cb453

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_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe e44419db3c7053d27cfe777eab3511f4861095e416875bcf1a52909d782cb453

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/205294/
  
URLhaus
https://urlhaus.abuse.ch/url/1779457/

Comments