MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2f5aed974966a3e0339b2092b7b128e22032b8d1bb6a9395a110a710a52acc7. 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 1 File information Comments

SHA256 hash: f2f5aed974966a3e0339b2092b7b128e22032b8d1bb6a9395a110a710a52acc7
SHA3-384 hash: a63a6bdac0ed965dae0f750afee792b6c351810de2668f709ca6ce7ca49f2847aa15ac02c3f7f8b6c7e6d9f8ad1015c1
SHA1 hash: 3ec2bddba802f3face6a1c6002e8cca65ca582ea
MD5 hash: 6167d511f8a09979d5842c9f2d84a7f4
humanhash: single-fourteen-robert-alaska
File name:PO#3210046374 pdf.exe
Download: download sample
Signature Formbook
File size:243'039 bytes
First seen:2023-08-24 13:39:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya64+/z5JJHWoCE4gY+eOSWJtkuhS1FosCmGH6RQU82z:/YuuzqE4gYnlskbysCmbt82z
Threatray 1'149 similar samples on MalwareBazaar
TLSH T14434129C7671C6F7E46747708D3965B76FF399222164870F53784AE8B8322C29A0E363
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO#3210046374 pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-24 13:41:46 UTC
Tags:
formbook xloader stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Restart of the analyzed sample
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Gathering data
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.
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
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
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
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 ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1296722 Sample: PO#3210046374_pdf.exe Startdate: 24/08/2023 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 10 PO#3210046374_pdf.exe 18 2->10         started        process3 file4 29 C:\Users\user\AppData\...\sxuuefvakc.dll, PE32 10->29 dropped 61 Detected unpacking (changes PE section rights) 10->61 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->63 65 Maps a DLL or memory area into another process 10->65 67 Tries to detect virtualization through RDTSC time measurements 10->67 14 PO#3210046374_pdf.exe 10->14         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 Queues an APC in another process (thread injection) 14->75 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 31 agenciacolmeiadigital.com 154.56.60.29, 80 COGENT-174US United States 17->31 33 www.ahevrlh.xyz 188.114.96.7, 49747, 80 CLOUDFLARENETUS European Union 17->33 35 3 other IPs or domains 17->35 49 System process connects to network (likely due to code injection or exploit) 17->49 51 Performs DNS queries to domains with low reputation 17->51 53 Uses ipconfig to lookup or modify the Windows network settings 17->53 21 ipconfig.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.agenciacolmeiadigital.com 21->37 39 agenciacolmeiadigital.com 21->39 55 Modifies the context of a thread in another process (thread injection) 21->55 57 Maps a DLL or memory area into another process 21->57 59 Tries to detect virtualization through RDTSC time measurements 21->59 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-23 08:42:52 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
a071e472936b54ca8ae1707defc57ecdf2da326a37de9988e6ad4539cacccf42
MD5 hash:
fa7088d76502a83a05e0045291ef3714
SHA1 hash:
8545172c2121caf78f0a65cf53b90249944903b4
SH256 hash:
f2f5aed974966a3e0339b2092b7b128e22032b8d1bb6a9395a110a710a52acc7
MD5 hash:
6167d511f8a09979d5842c9f2d84a7f4
SHA1 hash:
3ec2bddba802f3face6a1c6002e8cca65ca582ea
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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.

Comments