MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a71e4db2ded6a9e2418c5a47506cc2a0b42feb42dc32692e8ef3ee3c959b3a6. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a71e4db2ded6a9e2418c5a47506cc2a0b42feb42dc32692e8ef3ee3c959b3a6
SHA3-384 hash: d9b84c328c54cb0d0dbc1e6d9810b3dd7871d2974cd7144ad930a96f0d7f60e038eff665e90720a0e21810bb6358c249
SHA1 hash: 3e82a92f259dc853baee88d385bcbad33d78e8fd
MD5 hash: 81225d054964d04898f60b8a0631fb08
humanhash: december-six-happy-hotel
File name:Popis narudzbe u prilogu.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:777'728 bytes
First seen:2022-06-14 07:11:42 UTC
Last seen:2022-06-14 07:45:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash af0c0876a9f8593431bb7b319053d44d (6 x Formbook, 2 x ModiLoader, 1 x DBatLoader)
ssdeep 12288:M8q60+2OVKAqSdGeXX8cViJ+g+CRxZtVSX3x7FRSJWeOkDlHg:th0kVKAV0eX7VPgRxZtVSn52
TLSH T161F47C22A6914B36D03F06347FDAE3AB9CE67ED12814985617E53D089E39F403FEA153
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon b0d9cacec8cadd30 (6 x Formbook, 2 x ModiLoader, 1 x DBatLoader)
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Popis narudzbe u prilogu.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 07:13:44 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8d14e2f5-8b64-4d7d-8125-58500f6f87da

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/279601/
Detection(s):
SecuriteInfo.com.Variant.Jaik.80748.8747.32379.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/21102/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm keylogger
Link:
https://www.filescan.io/uploads/62a834c72d4be2eac84e0f93/reports/ac6a9646-9530-40c9-a049-765e5c6096aa/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/249ff1fc-111d-4e83-bfc2-3ff75e306b05
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012602
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645097 Sample: Popis narudzbe u prilogu.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 44 www.printsgarden.com 2->44 46 printsgarden.com 2->46 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 3 other signatures 2->80 11 Popis narudzbe u prilogu.exe 1 17 2->11         started        signatures3 process4 dnsIp5 60 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49739, 49743 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 11->60 62 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49733, 49742 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 11->62 64 3 other IPs or domains 11->64 40 C:\Users\Public\Libraries\Wglunjfnoj.exe, PE32 11->40 dropped 42 C:\Users\...\Wglunjfnoj.exe:Zone.Identifier, ASCII 11->42 dropped 98 Writes to foreign memory regions 11->98 100 Allocates memory in foreign processes 11->100 102 Creates a thread in another existing process (thread injection) 11->102 104 Injects a PE file into a foreign processes 11->104 16 DpiScaling.exe 11->16         started        file6 signatures7 process8 signatures9 66 Modifies the context of a thread in another process (thread injection) 16->66 68 Maps a DLL or memory area into another process 16->68 70 Sample uses process hollowing technique 16->70 72 2 other signatures 16->72 19 explorer.exe 2 16->19 injected process10 process11 21 Wglunjfnoj.exe 15 19->21         started        25 Wglunjfnoj.exe 15 19->25         started        27 raserver.exe 19->27         started        29 2 other processes 19->29 dnsIp12 48 pb0whg.am.files.1drv.com 21->48 50 onedrive.live.com 21->50 58 3 other IPs or domains 21->58 82 Multi AV Scanner detection for dropped file 21->82 84 Writes to foreign memory regions 21->84 86 Allocates memory in foreign processes 21->86 31 DpiScaling.exe 21->31         started        52 pb0whg.am.files.1drv.com 25->52 54 onedrive.live.com 25->54 56 am-files.fe.1drv.com 25->56 88 Creates a thread in another existing process (thread injection) 25->88 90 Injects a PE file into a foreign processes 25->90 34 logagent.exe 25->34         started        92 Modifies the context of a thread in another process (thread injection) 27->92 94 Maps a DLL or memory area into another process 27->94 96 Tries to detect virtualization through RDTSC time measurements 27->96 36 cmd.exe 1 27->36         started        signatures13 process14 signatures15 106 Modifies the context of a thread in another process (thread injection) 34->106 108 Maps a DLL or memory area into another process 34->108 110 Sample uses process hollowing technique 34->110 112 Tries to detect virtualization through RDTSC time measurements 34->112 38 conhost.exe 36->38         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a71e4db2ded6a9e2418c5a47506cc2a0b42feb42dc32692e8ef3ee3c959b3a6/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2022-06-14 06:01:03 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjy6jwzn5vvj4jayywshkbwmfifuf7vufxbsnexi547ohskzwota._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:modiloader family:xloader campaign:uj3c loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220614-h1hncaceem/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
ModiLoader Second Stage
Xloader Payload
Formbook
ModiLoader, DBatLoader
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
Link:
https://www.unpac.me/results/cceb10ac-00bb-4efe-bff5-4974565ea31c/
SH256 hash:
4a71e4db2ded6a9e2418c5a47506cc2a0b42feb42dc32692e8ef3ee3c959b3a6
MD5 hash:
81225d054964d04898f60b8a0631fb08
SHA1 hash:
3e82a92f259dc853baee88d385bcbad33d78e8fd
Link:
https://www.unpac.me/results/cceb10ac-00bb-4efe-bff5-4974565ea31c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a71e4db2ded/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4a71e4db2ded6a9e2418c5a47506cc2a0b42feb42dc32692e8ef3ee3c959b3a6

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

Formbook

Executable exe 4a71e4db2ded6a9e2418c5a47506cc2a0b42feb42dc32692e8ef3ee3c959b3a6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/279601/

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