MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
SHA3-384 hash: 12014828cf6723a64f3116fa89414836831b7a5532ca2dcd105d14d001d5742a24be30061c6a6c6f983868de0aa8f28f
SHA1 hash: 4414bb16c23fd366404549b06f4d167aa1e86109
MD5 hash: b3055c75b563421ec8cc8ec1f4ef8390
humanhash: autumn-summer-double-island
File name:M12464.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:760'832 bytes
First seen:2024-11-26 08:03:42 UTC
Last seen:Never
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:wnCb+eCSmttm1P+jXIrBz1HwN2MIKLD4eRV8HenDqfHMHTlsp9byUdOUR0:wuC7tR2XHbMR0UVWfMzlspx9dtR0
Threatray 3'040 similar samples on MalwareBazaar
TLSH T1AAF4E144635AD706E8994B700872DBB9137A3E9DA830E31E4EDDBDFB3A373466045683
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 03c012050008000c (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
423
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
M12464.exe
Verdict:
Malicious activity
Analysis date:
2024-11-26 08:37:32 UTC
Tags:
netreactor formbook
Link:
https://app.any.run/tasks/21078d84-d9fa-450a-a034-40276ee83e7c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilheracles-10020638-0
Create hunting rule

Win.Packed.Agensla-10021078-0
Create hunting rule

Win.Packed.LokiBot-10026312-0
Create hunting rule

Win.Packed.LokiBot-10027126-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674580f9b31374f09834889b
Tags:
phishing virus gates msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/674580f96450dd4790ac10d0/reports/eb8f486f-067f-4fe7-9ad3-60f931f08b58/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/527967b8-794d-4a5d-ae42-fd3ae14b1343
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1562924
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
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1562924 Sample: M12464.exe Startdate: 26/11/2024 Architecture: WINDOWS Score: 100 59 www.ulbcenter.shop 2->59 61 www.tus.live 2->61 63 4 other IPs or domains 2->63 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Sigma detected: Scheduled temp file as task from temp location 2->81 83 11 other signatures 2->83 11 M12464.exe 7 2->11         started        15 JRDVLXiqHJ.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\JRDVLXiqHJ.exe, PE32 11->51 dropped 53 C:\Users\...\JRDVLXiqHJ.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmp3016.tmp, XML 11->55 dropped 57 C:\Users\user\AppData\...\M12464.exe.log, ASCII 11->57 dropped 93 Uses schtasks.exe or at.exe to add and modify task schedules 11->93 95 Adds a directory exclusion to Windows Defender 11->95 97 Tries to detect virtualization through RDTSC time measurements 11->97 99 Switches to a custom stack to bypass stack traces 11->99 17 M12464.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        101 Multi AV Scanner detection for dropped file 15->101 103 Machine Learning detection for dropped file 15->103 105 Injects a PE file into a foreign processes 15->105 24 JRDVLXiqHJ.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 JRDVLXiqHJ.exe 15->28         started        30 JRDVLXiqHJ.exe 15->30         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 32 explorer.exe 33 1 17->32 injected 73 Loading BitLocker PowerShell Module 20->73 34 WmiPrvSE.exe 20->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        75 Found direct / indirect Syscall (likely to bypass EDR) 24->75 40 conhost.exe 26->40         started        process9 process10 42 mstsc.exe 32->42         started        45 cmstp.exe 32->45         started        signatures11 85 Modifies the context of a thread in another process (thread injection) 42->85 87 Maps a DLL or memory area into another process 42->87 89 Tries to detect virtualization through RDTSC time measurements 42->89 91 Switches to a custom stack to bypass stack traces 42->91 47 cmd.exe 42->47         started        process12 process13 49 conhost.exe 47->49         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-11-26 08:04:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jlyjfg6q6wart7a5bkasaxza4msbdv3o5xffxrndkr6ls4d2b5ia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
0460b13245e1675310035b772097a9c7f459f00a90ed1b368761ed6553abc009
Formbook
1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9
Formbook
17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13
Formbook
1ac77b641f98af7d2d5f052af2721c8154b8c922be31ea7914ea76bd8c6d17c1
Formbook
1d77e6b59c60817f9c5b17e620db8c30a6fda1c3ae638961f3a907b78d4e9128
Formbook
79bcad797129c0be508de0fe7b0462b1aaffbafa74a4e7019a4561deb674f4bd
Formbook
9f67248a754e414ffb2361932c591abe39581b21a20d51ccb46db5e534a9531c
Formbook
error
Formbook
+ 3'030 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:hy29 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241126-jyaqdsyncl/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
Win.Packed.Msilheracles-10020638-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5c29f61f-3b15-4a96-b6df-6c01e6f84b1b
Unpacked files
SH256 hash:
0f267119e1b7c36138fb8334538f8cf6d7a418f657cbecb9c999afa8b0b2df20
MD5 hash:
554d811aa89771a3d7f7550783f59e95
SHA1 hash:
d1c2ecbd927821304a377b078636d0b65e18c0bc
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/5eb407ab-246b-415e-97d5-2a03a9e2ace6/
Parent samples :
9a24b197698ebde37702b2993ea2d1d4b7d2ad327605af58a4b8b266d7d9e827
1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9
4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
SH256 hash:
072e2325dcb6bbb4cef9379a531e5d44f6c993d369ec49a0fdb916143ce6c0f5
MD5 hash:
7871f84a8067c89befc4d1d17ceb9225
SHA1 hash:
4b7dbf1edd1ddf24bbdc3e3dfa0fc820ea768caf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/5eb407ab-246b-415e-97d5-2a03a9e2ace6/
Parent samples :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 hash:
aeab4027fb53b0a51fbf422f64e2f2ef7052bebcaf5efb03b85f4be214a5ed34
MD5 hash:
dc8f38764bffe30c7fa763c4c494c8ef
SHA1 hash:
45cf238ac043d8bc0d74b4e738bad724697f2fe8
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/5eb407ab-246b-415e-97d5-2a03a9e2ace6/
SH256 hash:
4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
MD5 hash:
b3055c75b563421ec8cc8ec1f4ef8390
SHA1 hash:
4414bb16c23fd366404549b06f4d167aa1e86109
Link:
https://www.unpac.me/results/5eb407ab-246b-415e-97d5-2a03a9e2ace6/
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/4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

Executable exe 4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50

(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

Comments