MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08c1559e163d8289bc2dacb9eaca914058628b31f2d4bc88f52e4491ede7bb55. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 08c1559e163d8289bc2dacb9eaca914058628b31f2d4bc88f52e4491ede7bb55
SHA3-384 hash: a258efe180145589c6308423f3d1961e4a68bf0347786f911faf58276f3f47c366c0d849d5988bdbb9246421ff508185
SHA1 hash: 06b7614eda012d66827b459248aa91de419bc4f9
MD5 hash: 0c62986c4aac64d992313cd99c0642e1
humanhash: carpet-lake-montana-vegan
File name:Product List Pdf.exe
Download: download sample
Signature Formbook
File size:817'152 bytes
First seen:2023-01-30 09:04:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:GxEO7GHA1GFfmfNOXWz5viDAAL4mSSZMmPYsv:0YAwFOfNOXC5viDAA0/S2mPtv
TLSH T15F05D10C237C5B13EABF43F9C051500493F5A113E19FE75D2DC674EE1AA27A0DA2A69B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0e8cc9696cce850 (9 x AgentTesla, 5 x Formbook, 2 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Product List Pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 09:05:16 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794153 Sample: Product List Pdf.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 9 other signatures 2->40 10 Product List Pdf.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Product List Pdf.exe.log, ASCII 10->28 dropped 50 Injects a PE file into a foreign processes 10->50 14 Product List Pdf.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 30 www.acestrix.com 213.186.33.5, 49703, 80 OVHFR France 17->30 32 www.caffeineoil.com 3.64.163.50, 49704, 80 AMAZON-02US United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-24 05:40:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
26 of 39 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fh11 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
54d781f0dee6692c47390edf1ada295fb17a7e80ed5ccd58ab14c6ddf80a0ad8
MD5 hash:
4f6caebd865502f7c8046fbae3284c61
SHA1 hash:
be357e832bf6f61454875b37a1759cf1c5fa5ca4
SH256 hash:
411569f9f0b865c651adc1234d23f86cd98fe5cd641704702276e9882be113b6
MD5 hash:
7648892096f37af50468509c5b051180
SHA1 hash:
a56a074c2770152761f6c4975db0e9f7d57f8cda
SH256 hash:
09cfaade2295447012c0b871d98bcf7ecf4fa6a2862bbd2d9292c12c8d4ea9c5
MD5 hash:
10298194fcb0f080d81dc81374729a60
SHA1 hash:
6207b21fa165b96417c1700640dcda954a911931
SH256 hash:
08c1559e163d8289bc2dacb9eaca914058628b31f2d4bc88f52e4491ede7bb55
MD5 hash:
0c62986c4aac64d992313cd99c0642e1
SHA1 hash:
06b7614eda012d66827b459248aa91de419bc4f9
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 08c1559e163d8289bc2dacb9eaca914058628b31f2d4bc88f52e4491ede7bb55

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments