MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942
SHA3-384 hash: ff226752c1e0b2f586f1b201e388588fe3ee6727fe529667b07b3568fc19ea4b0336e63cbb888a349e8ee0555efd75ae
SHA1 hash: a63350f47a41d5e3bfc84c6fcf0e27acd66e65f7
MD5 hash: b587df73763a3dc59d02459e1cb9d05a
humanhash: ohio-july-jupiter-zebra
File name:z95ordemdecomprapdfx4672xx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:651'264 bytes
First seen:2024-10-08 14:00:06 UTC
Last seen:2024-10-08 14:34:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:inCmMaPflgJcpY7Y0In+VUON7R04/LLVf/UJO1bIGMmyVwxAYSmE:63fPp+Y00+3y4vVH8OFzyV4AwE
Threatray 2'451 similar samples on MalwareBazaar
TLSH T18CD4021C534AEA13C86A97B81A71F1B8272D1EEAB501D3076FE96DEF7967F144C04283
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
370
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
z95ordemdecomprapdfx4672xx.exe
Verdict:
Malicious activity
Analysis date:
2024-10-08 14:10:20 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/705f4bec-9464-48ba-8e5d-39417e656ef1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.29864.29021.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67053b1fa69182ddbe5d07a0
Tags:
Agenttesla Powershell
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/67053b234f53598f14930eae/reports/e8de824d-17d9-495d-b42a-6f4bae40b2a7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942
Result
Verdict:
UNKNOWN
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/761ca0cd-e293-46bd-b5f0-5ddf841d5fd1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1529088
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1529088 Sample: z95ordemdecomprapdfx4672xx.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 57 www.eceriyayinlari.xyz 2->57 59 www.orktoday-2507-02-sap.click 2->59 61 11 other IPs or domains 2->61 77 Suricata IDS alerts for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 85 9 other signatures 2->85 11 z95ordemdecomprapdfx4672xx.exe 7 2->11         started        15 rgIbfd.exe 5 2->15         started        signatures3 83 Performs DNS queries to domains with low reputation 57->83 process4 file5 49 C:\Users\user\AppData\Roaming\rgIbfd.exe, PE32 11->49 dropped 51 C:\Users\user\...\rgIbfd.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpB15E.tmp, XML 11->53 dropped 55 C:\...\z95ordemdecomprapdfx4672xx.exe.log, ASCII 11->55 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 11->95 97 Writes to foreign memory regions 11->97 99 Allocates memory in foreign processes 11->99 105 2 other signatures 11->105 17 RegSvcs.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 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         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 75 2 other signatures 17->75 28 explorer.exe 60 1 17->28 injected 71 Loading BitLocker PowerShell Module 20->71 32 WmiPrvSE.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        73 Found direct / indirect Syscall (likely to bypass EDR) 24->73 38 conhost.exe 26->38         started        process9 dnsIp10 63 www.olocal.app 84.16.66.164, 49778, 80 INFOMANIAK-ASCH Switzerland 28->63 107 System process connects to network (likely due to code injection or exploit) 28->107 40 explorer.exe 28->40         started        43 chkdsk.exe 28->43         started        signatures11 process12 signatures13 87 Modifies the context of a thread in another process (thread injection) 40->87 89 Maps a DLL or memory area into another process 40->89 91 Tries to detect virtualization through RDTSC time measurements 40->91 93 Switches to a custom stack to bypass stack traces 40->93 45 cmd.exe 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-10-08 13:37:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ori2a4vvu2nnzegwcu6gtgusmm3ne6riwdxykawq5lr7pehl5fba._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758
Formbook
4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe
Formbook
a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
Formbook
error
Formbook
f8a6d38a7a548a8621059aaaa87265c7c8d164b0f8eac7f6c0f7e4ec201de4a2
Formbook
fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8
Formbook
+ 2'441 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gy15 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241008-rbjnsatdrh/
Behaviour
Gathers network information
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4a5f8c31-da65-4d99-90af-35d6a5fef0ea
Unpacked files
SH256 hash:
414284749c07747930156dbae84f41404308435f5cf216b5d8593d3cab35d30d
MD5 hash:
b2e951ee4c2017ca7042cd8362861a11
SHA1 hash:
e3502ae989e6286baa83693c0a491cbd509bf48c
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
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/d2996461-58c2-4438-9788-d4f9a7d7b041/
Parent samples :
0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758
7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942
cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033
17b0a93d47762eaa5fa2f7e88cd664103cf7d106905d3d7a637a21b802481f13
9f7da651412232824c868086dd48a7d63af0dbb007cef4db8c24edda9b2fcdbb
194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa
f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6
SH256 hash:
22e73b209f67c75dd0324e26d4824c57345d2473b304a2ec680d26f99a8cd516
MD5 hash:
201a43dd1e45f2a70cc6ff40784395c3
SHA1 hash:
f710e122b38d1767f98202658c0596cb1a9ea401
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/d2996461-58c2-4438-9788-d4f9a7d7b041/
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
Link:
https://www.unpac.me/results/d2996461-58c2-4438-9788-d4f9a7d7b041/
SH256 hash:
7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942
MD5 hash:
b587df73763a3dc59d02459e1cb9d05a
SHA1 hash:
a63350f47a41d5e3bfc84c6fcf0e27acd66e65f7
Link:
https://www.unpac.me/results/d2996461-58c2-4438-9788-d4f9a7d7b041/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7451a072b5a6/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/7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942

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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
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