MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255
SHA3-384 hash: c1e7b7557d2a24a4e5e7401bc2a4dcc55c1e663182ba8b08b516282695c6cadef8bcf9570fea8ae72a54635572b4c3df
SHA1 hash: 741945fba64ae3d4cc7729be0a56cb75a0a5744b
MD5 hash: 9551b36adc14b4a83679dc640abcf203
humanhash: grey-pasta-nitrogen-chicken
File name:82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2024-03-25 12:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:vyywkMnWhzmc3GX6qiqj9llXQ9MEzyhMObKXKbfNdIjzpPZOj49swN:yXSGq/qj9llXQ9O2ObxbfNd0zpPZOj4R
Threatray 976 similar samples on MalwareBazaar
TLSH T1FD04AE36E642C071F2B252B5F67D0B7B883D0D347254A4AAE3F11AE12EA44E5B53931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255.exe
Verdict:
No threats detected
Analysis date:
2024-03-25 12:51:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/20d69b4e-1822-4b56-9826-86032979cdb6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
config-extracted formbook formbook packed virus
Link:
https://www.filescan.io/uploads/66016e8bb81a555db48ed951/reports/e4d5d82b-2dfd-468a-80f4-1fb1af7cb8f0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255
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/ed1b53af-8a22-4e44-b32a-b0486f0e54ac
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1415066
Signature
Antivirus / Scanner detection for submitted sample
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)
Multi AV Scanner detection for domain / URL
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-02-06 06:51:00 UTC
File Type:
PE (Exe)
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qlaudf2faojrpz3gykdl4sp7magpb2mmerkfultc7qgpk7nlyjkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92
Formbook
b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66
Formbook
c7a16881f8c69d16a9b0bdcbfdd5c4aada81eba19521d1c03ee7f6005f7d6629
Formbook
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
Formbook
d68a5d440931df383de62e3436f5f485ecd75b552e8b78065706a8c880828378
Formbook
e0063d0d5bebd7b349f970ec640d1e14ccba6e766999bfd630ac52e791e2dc65
Formbook
e54350487bda76835619ccc44ff79db38db5183f544efbf33159cfd707bcdb75
Formbook
+ 966 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ki21 rat
Link:
https://tria.ge/reports/240325-pp3byaae4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255
MD5 hash:
9551b36adc14b4a83679dc640abcf203
SHA1 hash:
741945fba64ae3d4cc7729be0a56cb75a0a5744b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/ae365212-dc69-4359-b5df-9a02d2706f38/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/82c141974503/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.56
Link:
https://yomi.yoroi.company/submissions/82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 82c1419745039317e766c286be49ff600cf0e98c24545a2e62fc0cf57dabc255

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments