MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22a5161a4d95e737100936f93042049719d13a8437d751c22ad485ed51ee7c96. 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 3 File information Comments

SHA256 hash: 22a5161a4d95e737100936f93042049719d13a8437d751c22ad485ed51ee7c96
SHA3-384 hash: 15e36419d8534e9f062284860c3d8999dd0fcbcf92d656c0e1072245dbb17e3aa4a8fd0c0fff9cae88a8ea08bfea5720
SHA1 hash: 1a4cef4c3cfbfdc52c726bb1887ae84e09c61d88
MD5 hash: 301a4df4f0d5f945e5f5d75ae82d4b9e
humanhash: march-earth-angel-seventeen
File name:301a4df4f0d5f945e5f5d75ae82d4b9e.exe
Download: download sample
Signature Formbook
File size:598'016 bytes
First seen:2021-10-11 13:59:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:++6MFohvg6u6Uqrlcv1Y5al1g0VgEyW0ocS8ZF5UWX4zdTV+M2QJaPDZxgBj8lLS:6hvJUfv00gEygcS+XJkdV9HzBjYLUW0
Threatray 10'252 similar samples on MalwareBazaar
TLSH T119D4BF2039FE416AF272AF762EE1B2599F6FBEB22603941D1151734B0632A41CDF153B
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CV.doc
Verdict:
Malicious activity
Analysis date:
2021-10-11 11:29:43 UTC
Tags:
exploit CVE-2017-11882 loader 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500298 Sample: EFghz5ZtCS.exe Startdate: 11/10/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 EFghz5ZtCS.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...Fghz5ZtCS.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 EFghz5ZtCS.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.stripeer.com 17->30 32 www.serversshipping.com 17->32 34 parkingpage.namecheap.com 198.54.117.218, 49821, 80 NAMECHEAP-NETUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-11 11:10:36 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hht8 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.eastwestasia-thailand.com/hht8/
Unpacked files
SH256 hash:
f893ed8d3cc331f9de33b36c5d0d372e7eeae0e0c3537056cd257df32e4ec297
MD5 hash:
eb0d674e2038903fde555d178cbfeede
SHA1 hash:
f296e76488369a13b27ba65b9a76428666bd314b
SH256 hash:
7a21d83ef0598299cafe33cd107f232294cf6c327e2d0979eee7bc9147e32e6c
MD5 hash:
6048804582e57c66a0d538e938ce4f50
SHA1 hash:
51ed5c0253a12349858c4ea338a78a5e16556f23
SH256 hash:
22a5161a4d95e737100936f93042049719d13a8437d751c22ad485ed51ee7c96
MD5 hash:
301a4df4f0d5f945e5f5d75ae82d4b9e
SHA1 hash:
1a4cef4c3cfbfdc52c726bb1887ae84e09c61d88
Malware family:
FormBook
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: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.

Web download

Formbook

Executable exe 22a5161a4d95e737100936f93042049719d13a8437d751c22ad485ed51ee7c96

(this sample)

  
Delivery method
Distributed via web download

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