MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1
SHA3-384 hash: 93b2ab3fb65b7de48459a53bc26ec993edae745332c3e3027be776c936bb29b366d2f61b81ecd616c9961cafa47cd4e2
SHA1 hash: 98fed5f6fd694523fda30db36d7ab0b772d8d249
MD5 hash: 90c945b94c8009ea59df1297db8d5109
humanhash: delaware-table-green-august
File name:10133266447.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:478'480 bytes
First seen:2023-06-09 13:04:15 UTC
Last seen:2023-06-09 13:57:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:OYa67yrc7o9gJ1nlshx+GbxCmVKduVlNxrlM8/P+ayMHZY2PRl:OYAwga1lsT+Gh8uhxrlx/P+XCfZl
Threatray 2'752 similar samples on MalwareBazaar
TLSH T1C7A48C27A4DCEACBD4AC44761C2DF32D7125AC2584328C16BD8AF84D95F16526AF3B3C
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f2ceaeaeb2968eaa (68 x RedLineStealer, 21 x AgentTesla, 18 x AveMariaRAT)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
10133266447.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-09 13:05:11 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/039173ca-8904-4bc9-a3b4-3deaed9117ad

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/397397/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90137/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6483238139ba775c46e0bfcc/reports/a11d1400-f9a7-4742-bad6-f3c8663c27d9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1
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/ccdd2836-94f9-43f1-b09b-89d054c69107
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1251944
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 884964 Sample: 10133266447.pdf.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 10 10133266447.pdf.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\fafddn.dll, PE32 10->28 dropped 30 C:\Users\user\AppData\Local\Temp\ioqlpll.s, DOS 10->30 dropped 54 Detected unpacking (changes PE section rights) 10->54 56 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->56 58 Maps a DLL or memory area into another process 10->58 60 Tries to detect virtualization through RDTSC time measurements 10->60 14 10133266447.pdf.exe 10->14         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 3 1 14->17 injected process8 dnsIp9 32 www.696e.top 154.221.28.92, 49696, 80 HKKFGL-AS-APHKKwaifongGroupLimitedHK Seychelles 17->32 34 www.backcountrypizzaandtaphouse.com 199.59.243.223, 49695, 80 BODIS-NJUS United States 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-09 06:15:22 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6th6dmimdnhbtewzc3s36jych4hef22jkuuemh2la6oenuppgyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2a1a01f7dbce9cae3601bcf859fd7984cfa761783f929448e59a90dd56f43fa9
Formbook
411866fa8b5f27b7254d3bdc1b152c33e8a6420ae444f5242023df50f06b2c21
Formbook
520332210fa79a3628b8a514f18ba872117489cb013809161629d1443d8ae800
Formbook
59162d6533d5d56ceedd3f8a24e85e75cd198c72db5719188a4a582752d7fbe4
Formbook
6504563c0b530d8886ebe893983491e046949b70117d41c9baff7e8503e202dd
Formbook
7f8d1823d07c98a5ea6e9d2848faf940231df09568b4fee525f18ea59d6094bc
Formbook
8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
Formbook
9337bf26f7c97890b2d01df17d8c05158f37600b503d91fcc24b609643b03ce9
Formbook
afbccae6537d0602edbc99ef03ec8b89ec23df241079f949c0b8a0aa6f9aa8f0
Formbook
f2de7e1866310a43bf34f50a907b7ec8ff5c7b9ae4421c304e26aed008f30850
Formbook
+ 2'742 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sn84 rat spyware stealer trojan
Link:
https://tria.ge/reports/230609-qbhaaada31/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
9f9ddabd7d0e443af9898de7acb32bbd01db940f9b3c39f47a68b6c0c39c3dce
MD5 hash:
d24aa0ee826dcf1f4165dc2676190b9b
SHA1 hash:
7edbac2c3f7f66961655f437e99cc3e916621880
Link:
https://www.unpac.me/results/bf73e6f8-3089-45d8-b939-a622904d8a87/
SH256 hash:
a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1
MD5 hash:
90c945b94c8009ea59df1297db8d5109
SHA1 hash:
98fed5f6fd694523fda30db36d7ab0b772d8d249
Link:
https://www.unpac.me/results/bf73e6f8-3089-45d8-b939-a622904d8a87/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a7a67f0d8860/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/a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/397397/

Comments