MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 248d88ba77b9221d41aa59d1e05e8aff660a8592b573ddc6d7163cc6cbb59595. 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 2 File information Comments
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SHA256 hash: 248d88ba77b9221d41aa59d1e05e8aff660a8592b573ddc6d7163cc6cbb59595
SHA3-384 hash: a109559d8fd12c0fd4230fbe78265dd04938ad65fa88e99e1107ab6f93d1dd65c1b293cb6e68cb615c62580cf62ba73e
SHA1 hash: df32221b0c3133ef6b11e30cb9a6d5cf11c255f0
MD5 hash: ef9eacefe9b388d54f526147bb7b2b99
humanhash: jig-oscar-oranges-finch
File name:ef9eacefe9b388d54f526147bb7b2b99.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:527'872 bytes
First seen:2022-04-08 10:10:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ANE0ZQT9Z8qMCd6JLvE5szqPCkau7+NHtIXxdQNIoD1:uEzZ8PdJb+PCMGIXxoD
Threatray 14'686 similar samples on MalwareBazaar
TLSH T1ADB41229B69BD912C3A80F3794C5146453B0D70E9067DF2B5BCD66CA5E037A70B83763
File icon (PE):PE icon
dhash icon b2cccccce8b2b28a (21 x AgentTesla, 14 x Formbook, 11 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ef9eacefe9b388d54f526147bb7b2b99.exe
Verdict:
Malicious activity
Analysis date:
2022-04-08 10:47:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f5fef0a9-3fc7-4aa8-bc07-abbef9d7d328

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/262099/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit obfuscated packed
Link:
https://www.filescan.io/uploads/62500a40cccdcb99472a3529/reports/b2caf769-70f4-41a2-ae22-eb6805ac0a51/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d864318f-4999-4c0b-a685-a4a5a71013cb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/973044
Signature
.NET source code contains potential unpacker
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)
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
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
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/248d88ba77b9221d41aa59d1e05e8aff660a8592b573ddc6d7163cc6cbb59595/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-07 17:12:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
05a096d0b32ba6a4ef81bdf3794aaaffbae69c71c7bbe9506db9ebe30e168e4e
Formbook
2a48c2b3780f6b0f3fd3f3f05f54066f465870e6f534237a5d283ee079882828
Formbook
4d0c9dd68f5700d34f7567ded0e1dc4a1e958edb4edcc32eb9557ab69e7d90e2
Formbook
5d199f6e3b18707bf891e790552a097e326cb170308a95d4915b1a8e1718a4cf
Formbook
a9915e261e819e5388755f6e20a93b55c096eb7b81b930c7212a77be734a97b2
Formbook
c0760105fed05b99698c3f1e5bb6ed6e2e9b386315d0e187cd075b8ed5ea7fe5
Formbook
cd76d4063992bb159bf31d7cc4ff6dcb4acbbb2c47b5cd6a1de03e5f60bb5c6e
Formbook
+ 14'676 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r2y0 rat spyware stealer trojan
Link:
https://tria.ge/reports/220408-l7x86ahadr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
d7ff07bff7d562d94f4e7ce6832992e63c16c967b411fed3cbb53f3ceacae126
MD5 hash:
e0b173722672a7f47e609d1b074587d2
SHA1 hash:
7ba1b53a7667ecba4633916b3bf6853206878f9d
Link:
https://www.unpac.me/results/a9f040bf-6c96-431e-bca2-63d792f50ba4/
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
Link:
https://www.unpac.me/results/a9f040bf-6c96-431e-bca2-63d792f50ba4/
SH256 hash:
248d88ba77b9221d41aa59d1e05e8aff660a8592b573ddc6d7163cc6cbb59595
MD5 hash:
ef9eacefe9b388d54f526147bb7b2b99
SHA1 hash:
df32221b0c3133ef6b11e30cb9a6d5cf11c255f0
Link:
https://www.unpac.me/results/a9f040bf-6c96-431e-bca2-63d792f50ba4/
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/248d88ba77b9221d41aa59d1e05e8aff660a8592b573ddc6d7163cc6cbb59595

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
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 248d88ba77b9221d41aa59d1e05e8aff660a8592b573ddc6d7163cc6cbb59595

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2125033/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/262099/

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