MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d. 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 3 File information Comments
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SHA256 hash: 573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d
SHA3-384 hash: edfb099b112ff8a6f45f515ec35c8aab3441c24719297542dbf7fc8860976d69586aa90e286367af8ebecbb22cf6a37a
SHA1 hash: 545a473d3a8fc3810fbb0ff04e2d4d28ab95bedb
MD5 hash: 15c4948711c3ac6250ff98d0e5272b27
humanhash: mexico-mango-nebraska-jupiter
File name:z42ordemdecomprapdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'327'099 bytes
First seen:2024-08-14 17:19:10 UTC
Last seen:2024-08-19 13:03:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:WK9Xxc/7gzqLiOG1tBda9myeHjQPBPwrgiQa5o0fpfEXKX:n9XxcjgOG3Bda9WmPegiQa5Pftkm
Threatray 4'378 similar samples on MalwareBazaar
TLSH T149B51214756B1E27FE1162BAC2D2B4F222FE9E1B36F6082FDF488E4568055BC7424E35
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
386
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
z42ordemdecomprapdf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-14 17:21:29 UTC
Tags:
stealer formbook xloader
Link:
https://app.any.run/tasks/3944e217-0f9b-4529-af90-dd3138c53dd7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen29.21499.26874.23974.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66bce746aa5b40be0aa035c7
Tags:
Encryption Execution Network Stealth Swotter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay
Link:
https://www.filescan.io/uploads/66bce745b70f08db50c66039/reports/b92b12a8-9011-4c44-99e3-af9d811afe8a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e00ad24-2b8e-4d8d-a8cf-1b0aaf9dc276
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1492973
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Disables UAC (registry)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: Steal Google chrome login data
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1492973 Sample: z42ordemdecomprapdf.exe Startdate: 14/08/2024 Architecture: WINDOWS Score: 100 84 www.oiupa.xyz 2->84 86 www.yuejiazy888.com 2->86 88 21 other IPs or domains 2->88 114 Suricata IDS alerts for network traffic 2->114 116 Found malware configuration 2->116 118 Malicious sample detected (through community Yara rule) 2->118 122 12 other signatures 2->122 14 z42ordemdecomprapdf.exe 1 4 2->14         started        17 svchost.exe 2->17         started        signatures3 120 Performs DNS queries to domains with low reputation 84->120 process4 dnsIp5 142 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->142 144 Writes to foreign memory regions 14->144 146 Allocates memory in foreign processes 14->146 148 4 other signatures 14->148 20 iexplore.exe 14->20         started        23 powershell.exe 23 14->23         started        25 WerFault.exe 19 16 14->25         started        27 3 other processes 14->27 82 127.0.0.1 unknown unknown 17->82 signatures6 process7 signatures8 124 Modifies the context of a thread in another process (thread injection) 20->124 126 Maps a DLL or memory area into another process 20->126 128 Sample uses process hollowing technique 20->128 130 Queues an APC in another process (thread injection) 20->130 29 explorer.exe 50 2 20->29 injected 132 Loading BitLocker PowerShell Module 23->132 33 WmiPrvSE.exe 23->33         started        35 conhost.exe 23->35         started        process9 dnsIp10 108 parkingpage.namecheap.com 91.195.240.19, 59082, 59083, 80 SEDO-ASDE Germany 29->108 110 www.yuejiazy888.com 156.242.144.113, 59078, 59079, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 29->110 112 3 other IPs or domains 29->112 150 System process connects to network (likely due to code injection or exploit) 29->150 37 msdt.exe 1 18 29->37         started        41 iexplore.exe 29->41         started        43 iexplore.exe 29->43         started        signatures11 process12 file13 76 C:\Users\user\AppData\...7695logrv.ini, data 37->76 dropped 78 C:\Users\user\AppData\...7895logri.ini, data 37->78 dropped 134 Detected FormBook malware 37->134 136 Tries to steal Mail credentials (via file / registry access) 37->136 138 Tries to harvest and steal browser information (history, passwords, etc) 37->138 140 5 other signatures 37->140 45 cmd.exe 37->45         started        49 firefox.exe 37->49         started        51 iexplore.exe 41->51         started        53 iexplore.exe 43->53         started        signatures14 process15 file16 80 C:\Users\user\AppData\Local\Temp\DB1, SQLite 45->80 dropped 152 Tries to harvest and steal browser information (history, passwords, etc) 45->152 55 conhost.exe 45->55         started        57 iexplore.exe 51->57         started        60 iexplore.exe 51->60         started        signatures17 process18 dnsIp19 100 code.jquery.com 151.101.66.137, 443, 59013, 59014 FASTLYUS United States 57->100 102 sb.scorecardresearch.com 18.245.199.96, 443, 59007, 59008 AMAZON-02US United States 57->102 62 ie_to_edge_stub.exe 57->62         started        64 ssvagent.exe 57->64         started        104 prod.appnexus.map.fastly.net 151.101.193.108, 443, 59042, 59043 FASTLYUS United States 60->104 106 18.245.199.33, 443, 59025, 59026 AMAZON-02US United States 60->106 process20 process21 66 msedge.exe 62->66         started        dnsIp22 90 192.168.2.16 unknown unknown 66->90 92 239.255.255.250 unknown Reserved 66->92 69 msedge.exe 66->69         started        72 msedge.exe 66->72         started        74 msedge.exe 66->74         started        process23 dnsIp24 94 clients2.googleusercontent.com 69->94 96 svc.ms-acdc-teams.office.com 52.123.243.200, 443, 49725 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 69->96 98 5 other IPs or domains 69->98
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d/
Threat name:
Win64.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-08-14 14:20:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k46y52lhrtxycy7jne32njne6fffvxqs6vsgvmcvkdaahddxbzoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
47d5dfe5d59cd87f1d41105123e02fa661a17e7e0623125c51956165113f8f4e
Formbook
531e29b34f525987ef3210689b417ea3c1a0b4f5c8bcf180ef00148a3e6d0b1f
Formbook
573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d
Formbook
958d107ae823cd619fa042dcbaaa97155b1cecc092863f998f2ee4dca893beed
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bddecf330d5b3d2c09db0b26dc6367e2e71a2e0317cc65610cd1cca8809fd0e2
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ea06432b0fe0200a91d19856ff8c0a24fc6bbb52c7ba49f6309555ac7d6797ea
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ee7dd9158f6175700aa6d58f346036f949889f8deebf8dbee83c40874bbc1f26
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fa2a38ee7933b6eec66fed45d0f14e9cb4009ce04d5b56cf7e753af46626ada0
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ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
Formbook
+ 4'368 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gy15 credential_access discovery evasion execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240814-vwegcayenp/
Behaviour
Modifies Internet Explorer settings
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks computer location settings
Windows security modification
Adds policy Run key to start application
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
Formbook payload
Formbook
UAC bypass
Windows security bypass
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/567b262b-8f88-4684-90f5-1b259f81e94a
Unpacked files
SH256 hash:
573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d
MD5 hash:
15c4948711c3ac6250ff98d0e5272b27
SHA1 hash:
545a473d3a8fc3810fbb0ff04e2d4d28ab95bedb
Link:
https://www.unpac.me/results/3f4e9456-eb92-4900-8551-7cc28cf1c1f3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/573d8ee9678c/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/573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d

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
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Author:malware-lu
Rule name:pe_no_import_table
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Description:Detect pe file that no import table

File information

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

Malspam

Formbook

Executable exe 573d8ee9678cef8163e96937a6a5a4f14a5ade12f5646ab05550c0038c770e5d

(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 (GUARD_CF)high

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