MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af4af6d4cc42a25c988c490988ad4ab6e0ef229059f110e4535c8148e7fada19. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: af4af6d4cc42a25c988c490988ad4ab6e0ef229059f110e4535c8148e7fada19
SHA3-384 hash: 60f87f47490871edfdab393c93b878699395b3db3470c6ded1b245a08d0cae343216a232c141e49a213ea1487f64266c
SHA1 hash: d606dd5484b2b4988fbd709a0f13bfdcb050da02
MD5 hash: bf3855817c032713f072fc4009f4fae2
humanhash: quiet-mississippi-triple-blue
File name:Shipping Documents Pdf.exe
Download: download sample
Signature Formbook
File size:453'632 bytes
First seen:2022-06-13 06:57:24 UTC
Last seen:2022-06-13 07:59:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eZUBafvIGOwwl4QO1HW1x3Gw7Y7bjPDxr:eZPfnPwqQysTMvt
TLSH T14FA4125E4BB6C736CD2C477E5921220C47B4121E315FEFAE5F46B4E14B1BF820849AAB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0022a3a2b8a6e610 (16 x Formbook, 7 x AgentTesla, 6 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Shipping Documents Pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 07:00:45 UTC
Tags:
formbook trojan stealer

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
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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)
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 dnsIp2 2 Behavior Graph ID: 644785 Sample: Shipping Documents Pdf.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 31 www.jaliving.com 2->31 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 10 other signatures 2->45 11 Shipping Documents Pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Shipping Documents Pdf.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 Shipping Documents Pdf.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 x301g8xnaxp.yunjidns6.com 46.149.192.32, 49780, 80 DNC-ASDimensionNetworkCommunicationLimitedHK Hong Kong 18->33 35 www.zsxmall.com 104.143.134.20, 49781, 80 AS40676US United States 18->35 37 www.ihnugann.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 help.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-13 06:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:gwsr loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
68c59cd664b90481196fb0268bef8edd1ef77466542bed2f9637b6ce6c808ef5
MD5 hash:
e52b289841327a29ff0cd3efe52db770
SHA1 hash:
cd91af6af2a2791aa2fb1ffa1e6b18e15ba4afea
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4556f78af947dd56d447d4a470355c886d6b94de4149c4532820a470a8b4ea00
MD5 hash:
11d9d2fcd29099f26256b67742981baf
SHA1 hash:
eadbcbb114a549d01654c58f8f746d775d018258
SH256 hash:
24c5c7a6468f4298c7d5a5ed559aee6e10dd9f7e16f5be5638488bc4ab646eb5
MD5 hash:
88b36093186b289c44943fb2f1a2c9e6
SHA1 hash:
7b543d843b8ac31ccacf4709e4f324c4cf185293
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
SH256 hash:
af4af6d4cc42a25c988c490988ad4ab6e0ef229059f110e4535c8148e7fada19
MD5 hash:
bf3855817c032713f072fc4009f4fae2
SHA1 hash:
d606dd5484b2b4988fbd709a0f13bfdcb050da02
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 af4af6d4cc42a25c988c490988ad4ab6e0ef229059f110e4535c8148e7fada19

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments