MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287. 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 3 File information Comments

SHA256 hash: 404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287
SHA3-384 hash: 2ae21642d05613c02c0c8c3537ee13676f42570a70650d41d1acd1c479ae933889fa236fe2a52f7916d47083d29937be
SHA1 hash: 77e2d54e4ca56a685226f2c61a5e4566d1526ed6
MD5 hash: e68217df3ded253451a43e402601fd92
humanhash: oxygen-jig-edward-winner
File name:DHL SHIPPING DOCUMENTS.exe
Download: download sample
Signature Formbook
File size:710'656 bytes
First seen:2021-08-18 06:01:52 UTC
Last seen:2021-08-18 06:45:27 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:uhtf7Wvbsi8C0t8rMWeQOOSK8vaDa0uixLYijLLlliqgSMVjwCZJj6HlTL:u2Tsij02rMWetOSKC0xLh4SlT
Threatray 8'018 similar samples on MalwareBazaar
TLSH T13FE46DAC3150B59FD137CD36C5580E55F660A8A7A3CBC613E0932949D83D3AAAE443BF
Reporter cocaman
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287.exe
Verdict:
Malicious activity
Analysis date:
2021-08-18 06:04:21 UTC
Tags:
n/a

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
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 467316 Sample: DHL SHIPPING DOCUMENTS.exe Startdate: 18/08/2021 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 8 other signatures 2->38 10 DHL SHIPPING DOCUMENTS.exe 3 2->10         started        process3 file4 28 C:\Users\...\DHL SHIPPING DOCUMENTS.exe.log, ASCII 10->28 dropped 48 Writes to foreign memory regions 10->48 50 Injects a PE file into a foreign processes 10->50 14 RegSvcs.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 2 other signatures 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.nondapack.com 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-17 12:21:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:i6sj rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ggoldcollections.com/i6sj/
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
feb8fe09c0cde779848041845a2bc22db7534936efac43714637ce7204de38a0
MD5 hash:
4ab034eca19a412da8002df12c399d84
SHA1 hash:
db3e6faadf3ef1840b79928b66b2b24ea1bc503d
SH256 hash:
404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287
MD5 hash:
e68217df3ded253451a43e402601fd92
SHA1 hash:
77e2d54e4ca56a685226f2c61a5e4566d1526ed6
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: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 404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287

(this sample)

Comments