MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038
SHA3-384 hash: f93e741b4377eb45b78c2c0c608e5e7e901f4ccc90f46e55cbbade162cb7bdac202dc613ca75678586f5120b885a7129
SHA1 hash: 99c5c15102e4af6c092f108004c3a128a72f6924
MD5 hash: 979c23e5f2ce1a910e6e26a44dd846c1
humanhash: princess-golf-victor-utah
File name:SecuriteInfo.com.Gen.Variant.Zusy.477960.31548.26773
Download: download sample
Signature Formbook
Create hunting rule
File size:277'344 bytes
First seen:2023-07-21 05:29:11 UTC
Last seen:2023-07-21 06:27:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6jX4sv4KXn/zW7+2tabi7luE7E8Ru52qjkUKeHzjFHETNr2b9T1dKUK:vYZX/vRyXab0j7YlbHz1SC9TKJ
TLSH T1B644120077E5D4BFEE6387B21A77D621AAAB821860F5134F27804F3EB9765834E0D356
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
278
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Gen.Variant.Zusy.477960.31548.26773
Verdict:
Suspicious activity
Analysis date:
2023-07-21 05:30:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/45d06cc6-ecb1-4095-be34-23181c1a8443

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/427266/
Detection(s):
SecuriteInfo.com.Gen.Variant.Zusy.477960.31548.26773.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038
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/6c20f952-997c-48ee-a2cb-c6c9240f5baa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1277177
Signature
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 05:30:06 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=op6lm6zjmpvvakkhsr3zieb3m5o6jd3bmje5orxgjox7cbqeea4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230721-f65nyscb34/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038
MD5 hash:
979c23e5f2ce1a910e6e26a44dd846c1
SHA1 hash:
99c5c15102e4af6c092f108004c3a128a72f6924
Link:
https://www.unpac.me/results/786a40f8-447c-4435-b592-86fc8915bb8e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 025cc763414627f1f2dc4225ece3c6ad85297f9e363f2bfb3d4f784a2b48678c

Formbook

Executable exe 73fcb67b2963eb502947947794103b675de48f616249d746e64baff106042038

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/427266/
  
Dropped by
SHA256 025cc763414627f1f2dc4225ece3c6ad85297f9e363f2bfb3d4f784a2b48678c
  
Dropped by
MD5 7494019271ad9632ff2b8637a1eb17de
  
Dropped by
SHA256 b1b92f5167c414d633a0fe871d65a2aa1d05bd1dfb5b34884156bb4eaf7a3a14
  
Dropped by
MD5 2079a2ebef59332eafadcdbe6e198468

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