MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb
SHA3-384 hash: d4c290d24ed4dacc49fc633045993b6bbff0bcb3f23d490b970c4b9a74b2fb15ead4977f94a48d61844d2e5dda28e049
SHA1 hash: 8333007912f86bdb3e968ab754e702d3f51bcaea
MD5 hash: 33d3762a74a956ff341f02c2355f8fd8
humanhash: purple-don-lamp-chicken
File name:04884944334.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:529'920 bytes
First seen:2021-10-05 06:55:40 UTC
Last seen:2021-10-05 09:43:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:F4pQZxBxrh5L78KozGiN4t0H3wDiJ6NwGqv2PGV8iK1ZjyAo0q:F/vLz84uADiwbhq
TLSH T14AB46CEC761375DFCD27C1B699686C60EA2074BA530F8223902751ADAD1CAA7DF640F3
File icon (PE):PE icon
dhash icon ae53d212daccccca (8 x Formbook, 4 x AsyncRAT, 1 x NetWire)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04884944334.exe
Verdict:
Malicious activity
Analysis date:
2021-10-05 07:00:42 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d9c10647-4bcc-449e-a977-0e743df55b46

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/194900/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615c068598a6280f39324c77/reports/cc9c83f7-0b88-41bd-a311-a1ec4c71f06f/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7d58057a-7357-4f53-aa1c-df0e4fad6814
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864558
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 496987 Sample: 04884944334.exe Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 7 other signatures 2->38 10 04884944334.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\04884944334.exe.log, ASCII 10->28 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 04884944334.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.armakers.com 185.253.212.22, 49845, 80 GREENER-ASPL Poland 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 42 Self deletion via cmd delete 21->42 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 05:42:20 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zidi6vyswgijgtf6pb64mz3jbncqnoxjjwgsbbry2hfnwjb5ht5q._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:wrn9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211005-hqdawahfer/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.textureysxzqe.xyz/wrn9/
Unpacked files
SH256 hash:
26d32b4aa1227effb27d9da720c2f4b33c57366406f98b4de7bd4115d2421124
MD5 hash:
49c75d8f9b480b7da9e10910c563d7b9
SHA1 hash:
07c588db4c59adce5c87a72035e031559181edd5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4a0ee745-040e-49a2-8a8a-3477cff24050/
Parent samples :
38c29f9b66d8b8d0b605a7d6fe3e885dc9f3e4e22ca226c83cddb3004332bf2a
ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb
SH256 hash:
7072bfd01a16e8c14be43f9faa68dcda26aec2f7c82210df14447de6d8b679e1
MD5 hash:
f3e5f8a4ef452685b83a266ae342945e
SHA1 hash:
819656eab5607a76ca2baa729a43a4a7a40c3a6b
Link:
https://www.unpac.me/results/4a0ee745-040e-49a2-8a8a-3477cff24050/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/4a0ee745-040e-49a2-8a8a-3477cff24050/
SH256 hash:
ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb
MD5 hash:
33d3762a74a956ff341f02c2355f8fd8
SHA1 hash:
8333007912f86bdb3e968ab754e702d3f51bcaea
Link:
https://www.unpac.me/results/4a0ee745-040e-49a2-8a8a-3477cff24050/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ca068f5712b1/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/ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb

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.

Malspam

Formbook

Executable exe ca068f5712b190934cbe787dc667690b4506bae94d8d208638d1cadb243d3cfb

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194900/

Comments