MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047
SHA3-384 hash: 3b6010ed074594b2e0cc318c1ba5a9c06f77d09a95f7f09977b8c8dc1a61212a83473c5fd600cb9fb768a6a50a427c5e
SHA1 hash: b7200e0d827f3344a40fb947c97f587ad3de7d8f
MD5 hash: 871432f8f85b81286593553a62c178d2
humanhash: kentucky-glucose-texas-yankee
File name:___-0000000156.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:677'384 bytes
First seen:2024-09-21 11:16:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:cHfovr0nj6WcOgsAW0Caz8lgFbvbkBfhUdEVjwZ45qQND4DwK4qsgi3LykR:myoGWcj7Whaz8036+GVjwZ45qQNDaJU1
Threatray 71 similar samples on MalwareBazaar
TLSH T1E8E423044FD57F01E56DCB7742B2A0211374B067B793D6A36FCA60DE2FA2B8049D9A4B
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)
Magika pebin
Reporter NDA0E
Tags:exe FakePDF FormBook FRG CORPORATION geo GRC

Intelligence

File Origin
# of uploads :
1
# of downloads :
404
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
___-0000000156.PDF.exe
Verdict:
Malicious activity
Analysis date:
2024-09-21 11:18:39 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/5571a0f8-e318-4e05-a72f-280e04e3880d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30264.28026.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66eeab30f129e67ada90225f
Tags:
Encryption Execution Network Static Stealth Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated overlay packed
Link:
https://www.filescan.io/uploads/66eeab303c9389b729ba8c33/reports/141eca2a-26e7-4624-92ca-e50ecbce9341/overview
Verdict:
Malicious
Labled as:
Trojan.GenericFCA.Agent
Link:
https://www.hybrid-analysis.com/sample/619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047
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/3e3cda45-e839-49a9-be8f-eda47a5175e4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1514917
Signature
.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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1514917 Sample: ___-0000000156.PDF.exe Startdate: 21/09/2024 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 10 other signatures 2->50 7 ___-0000000156.PDF.exe 7 2->7         started        11 rrIIVZLjbHX.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\...\rrIIVZLjbHX.exe, PE32 7->36 dropped 38 C:\Users\...\rrIIVZLjbHX.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB4A3.tmp, XML 7->40 dropped 42 C:\Users\user\...\___-0000000156.PDF.exe.log, ASCII 7->42 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 13 powershell.exe 23 7->13         started        16 powershell.exe 23 7->16         started        18 schtasks.exe 1 7->18         started        20 ___-0000000156.PDF.exe 7->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 schtasks.exe 1 11->22         started        24 rrIIVZLjbHX.exe 11->24         started        signatures5 process6 signatures7 62 Loading BitLocker PowerShell Module 13->62 26 WmiPrvSE.exe 13->26         started        28 conhost.exe 13->28         started        30 conhost.exe 16->30         started        32 conhost.exe 18->32         started        34 conhost.exe 22->34         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-20 04:57:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mgjilntykfqpsqcugkjo6k753ekktgwypyfci4xgj7yyy6dhobdq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
339faca706c98cf8713cd3b56122442461c3810ab69988b1ef1ecd2275e33b41
Formbook
5caa5dddcf2a4b84e0280a606151dd4c2bb4729c97ca6fa944ac002180e54c2a
Formbook
844cb06eaedfc34982f21f054831859a4a5f46ecf5cef8f03f300218bd0668c9
Formbook
bb1e2de80c807601372e07f8472f50034e76a4b7e820470c9a81113ddabc497a
Formbook
db0f9627eb6f6d633f7211ce94d2ab53277140634443909f78b96a7b18c48b9e
Formbook
dc46b790c20e5077fc05879616e9d87acfdec0b4d2e2d9e82e5ce666487fdfaf
Formbook
dddd9cd5cd6589c82939b6cb4d6b86c4f8f9be9b68d03a05bc1d00a048127d22
Formbook
e8f7a439064778b2ad9e44db4c6a5de467d3ba10afa3a3c377d6f34c177e36d8
Formbook
fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446
Formbook
+ 61 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240921-ndn5hayhna/
Behaviour
Scheduled Task/Job: Scheduled Task
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/72187d93-6fc6-460c-a136-01316cb3d125
Unpacked files
SH256 hash:
4e9038f22568e5a2908b9bb91d95b6dbb3bc5b6d06ffcc09b48af1a5e4e7eb22
MD5 hash:
49c40525c49a15e712573ae93dfbebc9
SHA1 hash:
c68b9c7fccaf609b11b9f67b7111134a5ab7e22c
Link:
https://www.unpac.me/results/b621d8b9-8e70-40a0-aae3-b965e50ab3bc/
SH256 hash:
fc45bc5328ca936c194bea939abea09aaed4394bd249f16c5bde729769e71ed3
MD5 hash:
799d6b3249ac8f97ab8634c2aacf1dd6
SHA1 hash:
9fce1497978f06172bdc06f958a813c4224d437d
Link:
https://www.unpac.me/results/b621d8b9-8e70-40a0-aae3-b965e50ab3bc/
SH256 hash:
f25b28b34acef0c3b8887a5ebefd79440f5dd67a14b804a27bd66879420c80bc
MD5 hash:
0496ff74673806173f315fe6f27249c8
SHA1 hash:
639c56e56ba08ef28e14697dc8c594451e5cbf0d
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/b621d8b9-8e70-40a0-aae3-b965e50ab3bc/
Parent samples :
619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047
f25b28b34acef0c3b8887a5ebefd79440f5dd67a14b804a27bd66879420c80bc
SH256 hash:
d1f4761e2e1e15fe454a70864c3aa1da7d6dc90582222bbd7e6d53d0bbee6f62
MD5 hash:
b08a9c9cb485bd7567bf062922a1e897
SHA1 hash:
3b5781fb115d06bdede80cb6ff627fde1a50d9f5
Link:
https://www.unpac.me/results/b621d8b9-8e70-40a0-aae3-b965e50ab3bc/
Parent samples :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 hash:
619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047
MD5 hash:
871432f8f85b81286593553a62c178d2
SHA1 hash:
b7200e0d827f3344a40fb947c97f587ad3de7d8f
Link:
https://www.unpac.me/results/b621d8b9-8e70-40a0-aae3-b965e50ab3bc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/619285b67851/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/619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047

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:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
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:NETexecutableMicrosoft
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.

Malspam

Formbook

gz 1e3ccb19666b70e023fa65f1f259d1db3effef1c29fc139197a328297bc8f133

Formbook

Executable exe 619285b6785160f940543292ef2bfdd914a99ad87e0a2472e64ff18c78677047

(this sample)

Formbook

DLL dll f25b28b34acef0c3b8887a5ebefd79440f5dd67a14b804a27bd66879420c80bc

  
Dropped by
SHA256 1e3ccb19666b70e023fa65f1f259d1db3effef1c29fc139197a328297bc8f133
  
Dropping
SHA256 f25b28b34acef0c3b8887a5ebefd79440f5dd67a14b804a27bd66879420c80bc
  
Dropping
MD5 0496ff74673806173f315fe6f27249c8
  
Dropping
SHA256 fc45bc5328ca936c194bea939abea09aaed4394bd249f16c5bde729769e71ed3
  
Dropping
MD5 799d6b3249ac8f97ab8634c2aacf1dd6
  
Dropping
SHA256 4e9038f22568e5a2908b9bb91d95b6dbb3bc5b6d06ffcc09b48af1a5e4e7eb22
  
Dropping
MD5 49c40525c49a15e712573ae93dfbebc9
  
Dropped by
MD5 79bb6901856bb17e963a2b1a7fa4da48

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