MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807
SHA3-384 hash: 696f4002033031dc258a5d73b41df78d4bab4e1801286eb694d98d422aab0ebeea5b5da8474fe1984e93db76a36367d4
SHA1 hash: dea2b68e605e354836c58b8f592511f6b26513b0
MD5 hash: ea5d42beb9693c39239f8cd6475af0e9
humanhash: mango-neptune-seven-two
File name:ea5d42beb9693c39239f8cd6475af0e9
Download: download sample
Signature Formbook
Create hunting rule
File size:543'744 bytes
First seen:2021-06-24 02:27:10 UTC
Last seen:2021-06-24 03:19:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:uprq6gUzJr6qDU34H85iPZtzCy8rKkzBUIe8/D+l:uprnEqY4QcZx5LkVIus
Threatray 5'948 similar samples on MalwareBazaar
TLSH D7C4F1167BC11B51C68808B6C2E7523113E766CB2333C7867E459AC61E027D9CDDEBDA
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ea5d42beb9693c39239f8cd6475af0e9
Verdict:
Malicious activity
Analysis date:
2021-06-24 02:29:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/deaac000-3a42-4a24-b7ec-63db7373f7c1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37118164.29106.970.UNOFFICIAL
Create hunting rule

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/f815768b-5042-4313-b99c-ff0b10a78a37
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807094
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 439506 Sample: Z1fcz0AeUN Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 27 www.casastortarestaurant.com 2->27 29 parkingpage.namecheap.com 2->29 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 9 Z1fcz0AeUN.exe 3 2->9         started        13 explorer.exe 2->13         started        signatures3 process4 dnsIp5 25 C:\Users\user\AppData\...\Z1fcz0AeUN.exe.log, ASCII 9->25 dropped 55 Writes to foreign memory regions 9->55 57 Allocates memory in foreign processes 9->57 59 Injects a PE file into a foreign processes 9->59 16 aspnet_compiler.exe 9->16         started        31 www.narcadia.com 154.215.207.123, 49737, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 13->31 33 www.srysyoga.com 160.121.242.65, 49744, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 13->33 35 14 other IPs or domains 13->35 61 System process connects to network (likely due to code injection or exploit) 13->61 19 msdt.exe 13->19         started        file6 signatures7 process8 signatures9 37 Modifies the context of a thread in another process (thread injection) 16->37 39 Maps a DLL or memory area into another process 16->39 41 Sample uses process hollowing technique 16->41 43 Queues an APC in another process (thread injection) 16->43 45 Tries to detect virtualization through RDTSC time measurements 19->45 21 cmd.exe 1 19->21         started        process10 process11 23 conhost.exe 21->23         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807/
Threat name:
Win32.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2021-06-17 00:45:21 UTC
AV detection:
27 of 46 (58.70%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
masslogger
Create hunting rule
Similar samples:
0e5e0b70c6db438a67db5ac483b0a4fc904742bc98ffb6d02b0595c868f3cdf0
Formbook
12ba7ec686abc93ded62d6cf7df6907b348988897505efde9a4447b49ee92e74
Formbook
63b94415ccf2fabff3be3a811ded9a5306d68ac197adc07d7c2be3b313e8a665
Formbook
735d11c1fa476083846e9e622af57a902ff20be1a1bbce7d8ec9f7f4179d1bb3
Formbook
8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a
Formbook
9a7b408de435746572b0dcb127b8e340fff5d91efb1d18cb054d51c9bd2c4a3a
Formbook
9c2725c92b6d2ab8d0a3d786358751d8a449fd8bfd02adce7e80bd5e07714d93
Formbook
b811328fd6ddf4562a9f6066fd93193e3a344fc482dd9303c131d81888017b9a
Formbook
d797bbe1f6d58628e5c9d45b38c10ff983064c3230f3222ffa3a17a80172be94
Formbook
e1fee7ee20f6d3bd6e913baeae737c558014454223d552c125c3f963e7c1a843
Formbook
+ 5'938 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210624-cka3dsqft6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.sugene-proloser.icu/nins/
Unpacked files
SH256 hash:
4c992c8ba67fbcedd535f3e2547fdcd62c71ae8058f8f4fd4ae20cb436d35b9c
MD5 hash:
8311cb58cba72399fb29eac665e19913
SHA1 hash:
399c7c15d7cfa8b10ce9bcf053471924be87d1dd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ab61ee65-3872-46b9-9667-01c7e5235a8a/
Parent samples :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 hash:
500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807
MD5 hash:
ea5d42beb9693c39239f8cd6475af0e9
SHA1 hash:
dea2b68e605e354836c58b8f592511f6b26513b0
Link:
https://www.unpac.me/results/ab61ee65-3872-46b9-9667-01c7e5235a8a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807

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_InTheFu
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: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 500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1393338/

Comments