MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d
SHA3-384 hash: cb3246295b92187a838386815a74a8dceacfed00eed9f1e218077763aa7e472b3658892af1bc80e1db4205070b0f69d8
SHA1 hash: b1501925d3d8bdba42c540da1fdac974c8eb9ff9
MD5 hash: f11ccaa12cb9d79ef5549a96fd140c88
humanhash: delta-lamp-fourteen-lemon
File name:PO-070763-WA0003.pdf..exe
Download: download sample
Signature Formbook
Create hunting rule
File size:793'088 bytes
First seen:2025-01-06 15:04:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:dnduRgz200wtHSLQ7fU8AiAWL54yOBjZF5n7+t:hpz200BL0sxiflbORP5n
TLSH T172F402442365FA02D59147F499B1E3F803B98ECDA511E3078FFEBDEB3A297016A18257
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 b2495557158902a2 (3 x Formbook, 1 x SnakeKeylogger, 1 x RemcosRAT)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
473
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-070763-WA0003.pdf..exe
Verdict:
No threats detected
Analysis date:
2025-01-06 15:07:36 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/36fdf3c4-8dfb-4ead-8dfd-7482adef9fa8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.16172.2508.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677bf215c029bd73f2844dba
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/677bf120a87b268147054cfb/reports/d107c98b-effc-4557-a246-5d136dec6cc8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d
Result
Verdict:
SUSPICIOUS
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/453bd103-9e59-49c7-bb81-aaf60e716bd8
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1584842
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
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 AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1584842 Sample: PO-070763-WA0003.pdf..exe Startdate: 06/01/2025 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-WA0003.pdf..exe 4 2->7         started        process3 file4 20 C:\Users\...\PO-070763-WA0003.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-WA0003.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/cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-01-06 01:10:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zoxbgxhjtnzbr43brgtvbpfaq2dbfygcxifll7wzbizlyer5tcoq._file
Verdict:
malicious
Label(s):
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/250106-sf66ba1rcj/
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/a9e64aaa-0e64-4a17-83f8-9b063b5eaf03
Unpacked files
SH256 hash:
e3507359029eea4e927ff1240e7db87adc04e535b91dfd4ad4012e113a35a96f
MD5 hash:
82888dd53a78143f057ff4b485114164
SHA1 hash:
f0acdadda7dbb1992e00b9b195c13846333bb42f
Link:
https://www.unpac.me/results/816e2f1d-f0c1-4182-ace1-39ed199c0e98/
SH256 hash:
62a75a9e9324696763a71619a14a713d58cffd862b765e30866f443730bde190
MD5 hash:
c9201be4cf5e2bea0a1c9109342ada2f
SHA1 hash:
b35f0b4525c3f7c0f28a0810fd5769d32701e9fd
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/816e2f1d-f0c1-4182-ace1-39ed199c0e98/
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/816e2f1d-f0c1-4182-ace1-39ed199c0e98/
Parent samples :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 hash:
d23557b4958a548f5a6cc8f0ee624b6a20732e7f38893ba133e4492ef4ad8096
MD5 hash:
c6ff848517f75a8fbf75c10c52725294
SHA1 hash:
56f8d640e2652d04d3c9a8237d3836fcbdf86942
Link:
https://www.unpac.me/results/816e2f1d-f0c1-4182-ace1-39ed199c0e98/
SH256 hash:
cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d
MD5 hash:
f11ccaa12cb9d79ef5549a96fd140c88
SHA1 hash:
b1501925d3d8bdba42c540da1fdac974c8eb9ff9
Link:
https://www.unpac.me/results/816e2f1d-f0c1-4182-ace1-39ed199c0e98/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cbae135ce99b/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/cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

Malspam

Formbook

Executable exe cbae135ce99b7218f36189a750bca0868612e0c2ba0ab5fed90a32bc123d989d

(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

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