MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26
SHA3-384 hash: b05ad67d134b368d46e77740aa977051c6884208733a41dfeeb9dde29972c40a4154787c4f437a6b19ddc858216cb051
SHA1 hash: 47f3f4c0d3b59782f7bbfd52794979016e114a79
MD5 hash: d3226db8dd04c027017861652efb86c8
humanhash: early-earth-music-aspen
File name:Payment Swift-67654.pdf.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:869'896 bytes
First seen:2024-08-22 05:54:29 UTC
Last seen:2024-08-22 06:43:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:kW2dbUqiJCVDTJPp+1N8oPcdB6qyFKsvYGM21sxqnLXOVUIYEt46kgskIVwloL3b:R2dFVfB+qyosvYw9LeVfw6kVxuyvP
Threatray 12 similar samples on MalwareBazaar
TLSH T17E0512002325C007CD618F7159B5E3B46E745F95EA20C34B8ED8BDEFBDBAB65A90019B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook scr

Intelligence

File Origin
# of uploads :
4
# of downloads :
376
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Swift-67654.pdf.scr
Verdict:
No threats detected
Analysis date:
2024-08-22 06:00:52 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/d5baefe3-6514-43fa-b11c-59bbdaad193f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.17477.4501.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c6d2c1e7ff3f5a063bbd38
Tags:
Encryption Execution Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/66c6d2bce311bfec4e5e062d/reports/c091bae8-8963-4d4c-965e-80d613709c20/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26
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:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/185a82e6-ce58-4863-85b7-01a673b921be
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497186
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
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
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497186 Sample: Payment Swift-67654.pdf.scr.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 35 www.jucicty.xyz 2->35 37 www.ojr3h230724na.click 2->37 39 2 other IPs or domains 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected PureLog Stealer 2->51 55 10 other signatures 2->55 10 Payment Swift-67654.pdf.scr.exe 4 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 file5 33 C:\...\Payment Swift-67654.pdf.scr.exe.log, ASCII 10->33 dropped 67 Writes to foreign memory regions 10->67 69 Allocates memory in foreign processes 10->69 71 Adds a directory exclusion to Windows Defender 10->71 73 Injects a PE file into a foreign processes 10->73 14 RegSvcs.exe 10->14         started        17 powershell.exe 23 10->17         started        signatures6 process7 signatures8 77 Maps a DLL or memory area into another process 14->77 19 dfsWrmkNRaynBp.exe 14->19 injected 79 Loading BitLocker PowerShell Module 17->79 22 conhost.exe 17->22         started        process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 19->57 24 dfrgui.exe 13 19->24         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 24->59 61 Tries to harvest and steal browser information (history, passwords, etc) 24->61 63 Modifies the context of a thread in another process (thread injection) 24->63 65 3 other signatures 24->65 27 dfsWrmkNRaynBp.exe 24->27 injected 31 firefox.exe 24->31         started        process13 dnsIp14 41 www.jucicty.xyz 203.161.46.205, 49733, 49734, 80 VNPT-AS-VNVNPTCorpVN Malaysia 27->41 43 www.gdxinghong.buzz 161.97.168.245, 49729, 49730, 49731 CONTABODE United States 27->43 45 2 other IPs or domains 27->45 75 Found direct / indirect Syscall (likely to bypass EDR) 27->75 signatures15
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-08-22 02:24:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwh2qy437562nh5ylezgchvlv5yelvoa3mdmhkgyzyv7njq5lita._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0512aff353c2a083222ff3f6007e15ad5e3e8d400ae146ae1f0f917de8c63f1e
Formbook
43fd4f99f4121ae1c321154612d720660bac3407252c6b0ee2e269519a64b203
Formbook
95b2a3c2a70e4a5c5bf76b86846d166140a537dd9e9aac6674a074864b035857
Formbook
af92beb74147dfd4f21e426fadde4d083430a2495517e0fef4d802ba81909483
Formbook
d12078dbf736a6b4c15d15c12c4fde2586164b70ab09c38f5024321fab1a6b01
Formbook
e16b7dc4ec80b1ad431e900156069100ba2e6035e0605535d2a247d2d4b86786
Formbook
f087a9852ad32d54b3691e9d25c081ee806c262c35b4704035e948d855f45246
Formbook
+ 2 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240822-gmgcpaveqm/
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/8ec9ba82-b08d-4b9e-96fb-dc10bb6f3e92
Unpacked files
SH256 hash:
41ca676a613453a6ab78a291617074038bb174a6d2586cba1bb9dbbc02247376
MD5 hash:
2f930a78f21b123787bc183fb113cf82
SHA1 hash:
e720782a5f0c3f4d6fadda2824a03e2d6c7e0e38
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/de3bb91a-7f03-460b-b3dd-2f656d853610/
Parent samples :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 hash:
6acc5d6df27e7a7c84a02305b36188873a3fc0c9cefcbecb82af0c6a1609047c
MD5 hash:
20d04d15be1f8344803d537c208844a4
SHA1 hash:
965b5b2bad3428cb11b1988247b6c593d64e6a3e
Link:
https://www.unpac.me/results/de3bb91a-7f03-460b-b3dd-2f656d853610/
SH256 hash:
4ceec58b50403b55833056a7d1843c222c3f4555f0e569c045929c18ef12585b
MD5 hash:
ee533e938ad21d69c92343c000269363
SHA1 hash:
933452749969e781c1b0798df93878e8d212b50f
Link:
https://www.unpac.me/results/de3bb91a-7f03-460b-b3dd-2f656d853610/
SH256 hash:
9821b4d99120578146a89d5fb52d03694775da78dd4388cb081985ec18a35bf9
MD5 hash:
4d848c1f188978618e6d5c33dd967546
SHA1 hash:
1a24b9367f612ea87ef456347c256717a2809f36
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/de3bb91a-7f03-460b-b3dd-2f656d853610/
SH256 hash:
d8247e67b46e7bc5e1325068a5e3cae80542f9417ce6b85ee49012dcbf0d22f8
MD5 hash:
f50a5c41865b2297a73a0dd94ebcfcae
SHA1 hash:
00af2a07bd849cbd728520d9bef769428c64acc5
Link:
https://www.unpac.me/results/de3bb91a-7f03-460b-b3dd-2f656d853610/
SH256 hash:
0662ebfde66fd861777108634636010face2c0c52337dcc380ec924d104709da
MD5 hash:
af2e10e95c5512339068aeebfe1ad1be
SHA1 hash:
c8336e88e9c0f55019b458e1011717940f6a6e5d
Link:
https://www.unpac.me/results/de3bb91a-7f03-460b-b3dd-2f656d853610/
SH256 hash:
cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26
MD5 hash:
d3226db8dd04c027017861652efb86c8
SHA1 hash:
47f3f4c0d3b59782f7bbfd52794979016e114a79
Link:
https://www.unpac.me/results/de3bb91a-7f03-460b-b3dd-2f656d853610/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd8fa8639bff/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/cd8fa8639bff7da69fb85932611eabaf7045d5c0db06c3a8d8ce2bf6a61d5a26

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

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