MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e2a4e10cdaf2c61a5cc8350c0d71a7b43a48b87bde89e49a6bbddd9a61f1944. 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
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SHA256 hash: 7e2a4e10cdaf2c61a5cc8350c0d71a7b43a48b87bde89e49a6bbddd9a61f1944
SHA3-384 hash: c89150e120bda40d7774bfd729ba91f5dde4e8c75c5887de6367f9a81a37284f16e05817c7543f88425ad1726e278fd3
SHA1 hash: cf0c1cef9783bc27845df9f6ba5401c9096e69ae
MD5 hash: 450fb2814deb73ad33d59463b371f5f8
humanhash: charlie-social-jersey-yellow
File name:INVOICE_2022-12-12.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:256'591 bytes
First seen:2022-12-13 07:35:20 UTC
Last seen:2022-12-13 09:30:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:9kwzhMXEjGGzJmTecnh5BRN9iOhVe+179z+jSAnNI:/pjRz4T3dRXCQIOANI
TLSH T19744125AE9C1E4B7E53106716F7BBB3BA3799704008592DB67A08F7B78104E3451E3A2
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
INVOICE_2022-12-12.exe
Verdict:
Malicious activity
Analysis date:
2022-12-13 07:36:42 UTC
Tags:
installer formbook xloader trojan stealer
Link:
https://app.any.run/tasks/353eb33d-6c87-453b-9926-fb12041181d4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/345755/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64201224.6630.13163.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63982b659a505ad9423f70da/reports/ecd7249b-38dd-4648-9375-f5dc61e98c8a/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2672472a-179e-4074-b142-b1d5175e3a9b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1133241
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 765965 Sample: INVOICE_2022-12-12.exe Startdate: 13/12/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 6 other signatures 2->51 10 INVOICE_2022-12-12.exe 19 2->10         started        process3 file4 29 C:\Users\user\AppData\Local\...\kjfrxlkkh.exe, PE32 10->29 dropped 13 kjfrxlkkh.exe 10->13         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 13->63 65 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->65 67 Maps a DLL or memory area into another process 13->67 69 Tries to detect virtualization through RDTSC time measurements 13->69 16 kjfrxlkkh.exe 13->16         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 16->37 39 Maps a DLL or memory area into another process 16->39 41 Sample uses process hollowing technique 16->41 43 Queues an APC in another process (thread injection) 16->43 19 help.exe 16->19         started        22 explorer.exe 16->22 injected process9 dnsIp10 53 Modifies the context of a thread in another process (thread injection) 19->53 55 Maps a DLL or memory area into another process 19->55 57 Tries to detect virtualization through RDTSC time measurements 19->57 25 cmd.exe 1 19->25         started        31 www.midundao.net 168.76.198.217, 49711, 80 ULTRANETSERVICOSEMINTERNETLTDABR South Africa 22->31 33 www.494msc.com 134.73.53.13, 49712, 80 LAYER-HOSTUS United States 22->33 35 9 other IPs or domains 22->35 59 System process connects to network (likely due to code injection or exploit) 22->59 61 Performs DNS queries to domains with low reputation 22->61 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7e2a4e10cdaf2c61a5cc8350c0d71a7b43a48b87bde89e49a6bbddd9a61f1944/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-12 09:59:48 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pyve4egnv4wgdjomqnimbvy2pnb2jc4hxxuj4sngxpo5tjq7dfca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:poub loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221213-je9elsec37/
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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Executes dropped EXE
Xloader payload
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1d1d0c89-e703-401c-9aff-4d5743c603ef
Unpacked files
SH256 hash:
ca56268d4001f6d64513e45c19cb38db0953bf755eb4db62660355006549d904
MD5 hash:
b7463fa0d6c8c0845ad95df71146af7d
SHA1 hash:
f96bed594f3bf9447f925a8c18785d6f758c2b6d
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/47a0accd-8127-43d2-a7cf-23a8906a1dd2/
Parent samples :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 hash:
ddf48693cec1a93e0c45c28990e7db1febb7920fe68dea395cbcd8fe15a88029
MD5 hash:
7a72c3af766d40eb96dec6f0c1ba06be
SHA1 hash:
32de84e962de436709912e07d99e41336ae7232c
Link:
https://www.unpac.me/results/47a0accd-8127-43d2-a7cf-23a8906a1dd2/
SH256 hash:
7e2a4e10cdaf2c61a5cc8350c0d71a7b43a48b87bde89e49a6bbddd9a61f1944
MD5 hash:
450fb2814deb73ad33d59463b371f5f8
SHA1 hash:
cf0c1cef9783bc27845df9f6ba5401c9096e69ae
Link:
https://www.unpac.me/results/47a0accd-8127-43d2-a7cf-23a8906a1dd2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7e2a4e10cdaf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/7e2a4e10cdaf2c61a5cc8350c0d71a7b43a48b87bde89e49a6bbddd9a61f1944

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 7e2a4e10cdaf2c61a5cc8350c0d71a7b43a48b87bde89e49a6bbddd9a61f1944

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/345755/

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