MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
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SHA256 hash: 87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa
SHA3-384 hash: bb9d98118f75f4c38f2c5623ea012d855ae4d1839af4f5de31387edb1c7eab5188029274f0a420437cdffc055fb7cf8f
SHA1 hash: 8ecf31e46b8b5f74f9bcafd3613984e3be8a3c5c
MD5 hash: 3d49788a19a90d449e0d4ca3579ab0b8
humanhash: zulu-sierra-white-blossom
File name:PO-070763-WA0005.pdf..exe
Download: download sample
Signature Formbook
Create hunting rule
File size:812'544 bytes
First seen:2025-01-07 08:09:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:U1vXKkgO3euP78YGjV+2e0JfVbM4nC1G:8Hv3n1Gh+2FJNmG
TLSH T17805124DF9767B95CA2D0B77D027128482E1821BF572F29B0AC62CF50F29F49C54EA27
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon b2495557158902a2 (3 x Formbook, 1 x SnakeKeylogger, 1 x RemcosRAT)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
424
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-070763-WA0005.pdf..exe
Verdict:
No threats detected
Analysis date:
2025-01-07 08:11:33 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/7906aee6-f27e-4863-8216-b56f9183b181

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.148993.2725.20170.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677ce2aaffdcee13ec859aa7
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected phishing
Link:
https://www.filescan.io/uploads/677ce15c1851ded79d21a749/reports/745713dd-886f-450c-8f17-8589eb109c90/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa
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/7b562994-5d48-43be-8191-dec2d5053ca2
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1585177
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1585177 Sample: PO-070763-WA0005.pdf..exe Startdate: 07/01/2025 Architecture: WINDOWS Score: 100 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected PureLog Stealer 2->24 26 Yara detected FormBook 2->26 28 7 other signatures 2->28 7 PO-070763-WA0005.pdf..exe 4 2->7         started        process3 file4 20 C:\Users\...\PO-070763-WA0005.pdf..exe.log, ASCII 7->20 dropped 30 Adds a directory exclusion to Windows Defender 7->30 32 Injects a PE file into a foreign processes 7->32 11 powershell.exe 23 7->11         started        14 PO-070763-WA0005.pdf..exe 7->14         started        signatures5 process6 signatures7 34 Loading BitLocker PowerShell Module 11->34 16 WmiPrvSE.exe 11->16         started        18 conhost.exe 11->18         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-01-06 15:04:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7dl2nkw4vyplqfmwbgffbw2lmrc232oeecye7gn45heci7okwva._file
Verdict:
malicious
Label(s):
formbook
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unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250107-j2pcysskdw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4af196b4-1054-48a9-8b0e-af2e0199a556
Unpacked files
SH256 hash:
ec0d27870170c05311c096d25d4e6cd171b174d9d92bc6d44b093b12e81607a2
MD5 hash:
698838e7707076dab7540645da4cfea9
SHA1 hash:
0bb79f61ab2651d4a7b54c29c0dae110e802f1bd
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4832d743-5dba-49ff-83bf-ae1229ca6987/
SH256 hash:
168b6065d141a70c80f8c09204fd7252eb104de2e450599fc5896c1439322f6e
MD5 hash:
96858749c6f54f23560dc6a5aef2c32b
SHA1 hash:
861a04be243f05efe28e6d5dd5409ed56ff64476
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4832d743-5dba-49ff-83bf-ae1229ca6987/
Parent samples :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 hash:
d23557b4958a548f5a6cc8f0ee624b6a20732e7f38893ba133e4492ef4ad8096
MD5 hash:
c6ff848517f75a8fbf75c10c52725294
SHA1 hash:
56f8d640e2652d04d3c9a8237d3836fcbdf86942
Link:
https://www.unpac.me/results/4832d743-5dba-49ff-83bf-ae1229ca6987/
SH256 hash:
364f6c84959f24cc3927e676ca42683fadb4c2d98c31de6c3d3ed2fe3027f99b
MD5 hash:
72cf89ce65fc20f05f7f74910c2d1d12
SHA1 hash:
26388fada6727fc7c86232e00c44cb3ab2c16274
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/4832d743-5dba-49ff-83bf-ae1229ca6987/
SH256 hash:
87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa
MD5 hash:
3d49788a19a90d449e0d4ca3579ab0b8
SHA1 hash:
8ecf31e46b8b5f74f9bcafd3613984e3be8a3c5c
Link:
https://www.unpac.me/results/4832d743-5dba-49ff-83bf-ae1229ca6987/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87c6bd3556e5/report/overview.html
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/87c6bd3556e570f5c0acb04c5286da5b222d6f4e2105827ccde74e4123ee55aa

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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: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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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

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