MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8
SHA3-384 hash: 8c48cc7db90b19f38ae930d0ca2f8fead287051bdab20efb5b56e4b3ff1be202bdaefdd92dc942a6d7fb4e3e0e5eeadc
SHA1 hash: 0b43839726f9cdcc4d6982552ffd03573dd51358
MD5 hash: 3f8db8fa429dbf90a0bfc66cdabd65fe
humanhash: oven-alabama-xray-steak
File name:11_SSTML-13682 - ZNZFAB.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:837'632 bytes
First seen:2024-12-02 06:53:12 UTC
Last seen:2024-12-02 11:37:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:P4C25usx+Xt1jxiaENQ+f5c8YRJA1AiBN9SJnAcxoFQSaFnpMVY/oNTR5uD1O6I2:kx+xiHcX3AaiBNM7xo6S0ijNwISVR
TLSH T1E005F005366A9813D6F657F00A72F1B907F92EAEB910E2D64EC16CCBB8F5F505A80713
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 00844b16e6643800 (10 x Formbook, 3 x AgentTesla, 1 x VIPKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
425
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
11_SSTML-13682 - ZNZFAB.pdf.exe
Verdict:
No threats detected
Analysis date:
2024-12-02 07:00:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/76fb8d5a-ce34-4883-98dc-2070c4712606

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.14073.22703.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674d5b1fe64d1c722d7b3a44
Tags:
underscore virus gates micro
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/674d598bf7c2ff1a12e56d87/reports/92406b1e-2788-44b0-8212-3467d02f75a8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7cd7b3b3-1d24-49ab-951d-660a3902c1fb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566437
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension File Execution
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 04:36:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymmeo4aqcrpb7jtmzetyxl4irgtufj6jcvwlboi4om4ajilar3ea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241202-hn7rpstrey/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/06edfe39-db02-439b-be57-fe467118450f
Unpacked files
SH256 hash:
f01044e6e68bad550e60463cd433506362fcb56db92b983f4d216f8973875cb7
MD5 hash:
b902a21d659f7c1a813b6f114b7bab43
SHA1 hash:
1be7eb4d27c3b1ebe2324d7bc70e2ebe6c0c0ea2
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ce91ccc2-3e47-47f5-a8e9-1050f4808a60/
SH256 hash:
7ffbed9b2501e0ff3df355b3816145f7b4e9a6971c8be617bd63f3a6886ea892
MD5 hash:
2c69532174f9dd0a7acb6905ae44ff5b
SHA1 hash:
a77c356cc069e0df97803048fa06da5c3bc2fa89
Link:
https://www.unpac.me/results/ce91ccc2-3e47-47f5-a8e9-1050f4808a60/
SH256 hash:
54bce92c01afc0d1d9022671db09660423d08ede2ef6a75bd55bf6f1c7d9e771
MD5 hash:
8667fd0e85d66f36109d63ebe17ae231
SHA1 hash:
fe20055e66baebc9b9432981ffcaae00f7080704
Link:
https://www.unpac.me/results/ce91ccc2-3e47-47f5-a8e9-1050f4808a60/
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/ce91ccc2-3e47-47f5-a8e9-1050f4808a60/
SH256 hash:
31369d6ad4b41c92356e70989ac6f23d9ae27aee1163aef9bd6aa27b05ae4fb1
MD5 hash:
325b88b8c028564f40ef861a75f64d14
SHA1 hash:
06628d770f1b979eccc00e5bed3e4acd74f70019
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ce91ccc2-3e47-47f5-a8e9-1050f4808a60/
SH256 hash:
c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8
MD5 hash:
3f8db8fa429dbf90a0bfc66cdabd65fe
SHA1 hash:
0b43839726f9cdcc4d6982552ffd03573dd51358
Link:
https://www.unpac.me/results/ce91ccc2-3e47-47f5-a8e9-1050f4808a60/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

rar 871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268

Formbook

Executable exe c318477010145e1fa66cc9278baf8889a742a7c9156cb0b91c733804a1608ec8

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 871933500beb3006d4574669e88cf8cadc6eeea0eda1d1a9f636d87a26c79268
  
Dropped by
MD5 4f4683ca89528cb2bc3c454a78885f1d

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