MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d3f405c5be58b5deeeaedd64e48a02ce7aeff56c435c52d7c0b476ce6c7db5e. 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: 7d3f405c5be58b5deeeaedd64e48a02ce7aeff56c435c52d7c0b476ce6c7db5e
SHA3-384 hash: 1b9cd1183cb89ba87fe4715f734b6c8d66c6abfa14c101c07fd11e4fed0ad81e869b83e49d7820d978b7b46b22f28897
SHA1 hash: 2500a587c399426d911e7e00bbfa06e504591984
MD5 hash: 16266d09612ea7c750a9d089b369ca83
humanhash: early-quebec-wolfram-wisconsin
File name:AWB18500182174_11355.exe
Download: download sample
Signature Formbook
File size:1'017'344 bytes
First seen:2022-09-05 06:14:41 UTC
Last seen:2022-09-06 00:18:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:8ekqrF75eAvRT7QmzoRtXoXYNgPwjcch+581kKk/1B1hG1sXDtgtMPEvdcUIq7:8eJZ5VvCmzo3mYNEchOTNtBrY8CiUI
TLSH T11D250116F25AAD53D00547B185E1E510037BAF4B90BDC78A2EFEB2A522F63C70196F87
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon cf0f354444542021 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
AWB18500182174_11355.exe
Verdict:
Malicious activity
Analysis date:
2022-09-05 06:15:40 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
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
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 / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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
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: 697427 Sample: AWB18500182174_11355.exe Startdate: 05/09/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 AWB18500182174_11355.exe 3 2->10         started        process3 file4 28 C:\Users\...\AWB18500182174_11355.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 AWB18500182174_11355.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 betterlifewebinar.com 15.197.142.173, 49759, 80 TANDEMUS United States 17->30 32 www.lesmarines.online 217.160.0.1, 49731, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->32 34 10 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-09-02 17:07:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:en27 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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
0e20ae15da2ee0f942aaa4035c7b9fb58c7582a82663d48dc36a04299f31b28a
MD5 hash:
6431be7c6dcb093f6307cd7ab9573c69
SHA1 hash:
c4f9140a9b9c6beacca0645ffab156aa778f190b
SH256 hash:
26537a1c05e3e19a60c604f9187032ff90dde4ae4cf7b5f8801acad4c8bbaf10
MD5 hash:
a1cf1f580b6aa1bc4f746355bca1013f
SHA1 hash:
37bf7437bcf283d3722a5adfde3476d4c987ee30
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
7d3f405c5be58b5deeeaedd64e48a02ce7aeff56c435c52d7c0b476ce6c7db5e
MD5 hash:
16266d09612ea7c750a9d089b369ca83
SHA1 hash:
2500a587c399426d911e7e00bbfa06e504591984
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 7d3f405c5be58b5deeeaedd64e48a02ce7aeff56c435c52d7c0b476ce6c7db5e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments