MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7f432216cfcdef1a5a3fc9406c45002f3b87c32d767b14327931cb1c53ce215. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: d7f432216cfcdef1a5a3fc9406c45002f3b87c32d767b14327931cb1c53ce215
SHA3-384 hash: c8f6e79508e4dc5c7066add542de8cc2d2c7b9ba1e3f16fb584bae5629dc4be209163cfde474e44939149e862d17bba7
SHA1 hash: c4c6f3eff898a80062f2c8c75917640db853a60e
MD5 hash: cb9a6b783d5b9396e75acb0c9a4ac02c
humanhash: mobile-zebra-five-blossom
File name:Invoice N0 2000770.exe
Download: download sample
Signature Formbook
File size:628'736 bytes
First seen:2022-07-21 11:18:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1oBGQgg31hex8ZapITR1EgsHvrV9gtkYYlQ4tUwPdR3A9B1cq7KCWxuOloWzJd:1vOex+nsHvrMkTlQct3scWkuioW
TLSH T135D4013370F7F901C67807B381E352581AB2630E7177E65F24EE695589D23EA8A813D7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
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:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-21 11:19:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ja38 rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2ec17f09572da1390a191643cad703da63af6d7412f7c1095e5e35b5aa7e1226
MD5 hash:
f3e9c837d80bf36c62be1340c0494d37
SHA1 hash:
f13957a5d5096a3f1bea036eb824cdd41851cc71
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
7e46dc9da8e3568a6493a59d5c4e697b23c26b4a5d19ff28c432f5fed4cf6cc7
MD5 hash:
c5862b0faaa9f2e4d273d0e535547311
SHA1 hash:
74b3538a5a38e9bd93fd28e5e7b6c5911de3834a
SH256 hash:
beff3776513709eaca91b611a060766054a3ad2ddf19a6a12a7eee12483189dc
MD5 hash:
63d2e955061604875490c018aeb4c2f9
SHA1 hash:
17714b6ce32237dc765a550d05eb0d83a2410aab
SH256 hash:
d7f432216cfcdef1a5a3fc9406c45002f3b87c32d767b14327931cb1c53ce215
MD5 hash:
cb9a6b783d5b9396e75acb0c9a4ac02c
SHA1 hash:
c4c6f3eff898a80062f2c8c75917640db853a60e
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 d7f432216cfcdef1a5a3fc9406c45002f3b87c32d767b14327931cb1c53ce215

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments