MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8
SHA3-384 hash: 60f9e8c8b433690039362260d5659226509650ee9e7390e1872dd3f05c03b0f5fef55ef65475886cffba26e455df9bc1
SHA1 hash: f022840a47edcb7782bfed617789a9628417de45
MD5 hash: 9e6edbb8f896b118663cfa8c0e2e8849
humanhash: one-georgia-seventeen-music
File name:9e6edbb8f896b118663cfa8c0e2e8849
Download: download sample
Signature Formbook
Create hunting rule
File size:351'253 bytes
First seen:2023-01-25 20:36:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:LYa6KGCw/94IiNF4K24QbDt3eUMs9nJyacdjtMiA1g2R8TCV60w3qDE6cgv1wx:LYsW/94xN121bBnf8tMbHHU0vDEevu
TLSH T1AB7412B830D8D84BD472A7B11E7917A99EDEED0718B1734F2F803A4976356A0D32E361
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 595e5a5800180000 (2 x Formbook, 2 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SO-sales order Tematsi.xlsx
Verdict:
Malicious activity
Analysis date:
2023-01-25 15:07:33 UTC
Tags:
trojan loader exploit cve-2017-11882 formbook xloader stealer
Link:
https://app.any.run/tasks/356dbf41-7c80-4ba0-8358-5dd6c91f85b0

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/356875/
Detection(s):
SecuriteInfo.com.Gen.Variant.Fragtor.197706.30443.14836.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63083/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d192f189bd67c10fda352c/reports/71701e69-beb2-40ca-90c0-d5c0b5646d9b/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8f8351d3-cfd6-42a7-84b6-11ef05ac0527
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159078
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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 dropped file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 791812 Sample: FlHO1wnxla.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 5 other signatures 2->52 10 FlHO1wnxla.exe 19 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\njzrk.exe, PE32 10->30 dropped 13 njzrk.exe 10->13         started        process5 signatures6 62 Multi AV Scanner detection for dropped file 13->62 64 Detected unpacking (changes PE section rights) 13->64 66 Maps a DLL or memory area into another process 13->66 68 Tries to detect virtualization through RDTSC time measurements 13->68 16 njzrk.exe 13->16         started        19 conhost.exe 13->19         started        process7 signatures8 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 21 explorer.exe 3 6 16->21 injected process9 dnsIp10 32 www.righttowrescue.com 45.79.19.196, 49721, 80 LINODE-APLinodeLLCUS United States 21->32 34 www.smmfsa.com 156.248.208.212, 49725, 80 Africa-on-Cloud-ASZA Seychelles 21->34 36 2 other IPs or domains 21->36 54 System process connects to network (likely due to code injection or exploit) 21->54 25 wlanext.exe 21->25         started        signatures11 process12 signatures13 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8/
Threat name:
Win32.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 20:37:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jdknbqwwqk54kb5gheawstfejpz2mnyysxgbj5ef5oobcdeoj64a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nes8 rat spyware stealer trojan
Link:
https://tria.ge/reports/230125-zd5ysscb5x/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
efe596c5110ab6eb3462f9e6a4b2f20ae0862a13131fbeca3af10583e253d4c2
MD5 hash:
6a4318bea5a6cbc9faa65f588c79f87b
SHA1 hash:
3e0d54b41f3c5fcc8e0b2f95d4608857247aaa66
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3328144d-7e6a-4306-9822-1fdf4eb5bd16/
Parent samples :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 hash:
23f3a280a6a962ecde7e6a322753d4d7c28e64866bfe2c6a78a06ea13ecd5459
MD5 hash:
19482e99b52a0c76a9d9d8c31084a824
SHA1 hash:
bec2881000d4f5d7be01493653f17f7a4b6aec1d
Link:
https://www.unpac.me/results/3328144d-7e6a-4306-9822-1fdf4eb5bd16/
SH256 hash:
48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8
MD5 hash:
9e6edbb8f896b118663cfa8c0e2e8849
SHA1 hash:
f022840a47edcb7782bfed617789a9628417de45
Link:
https://www.unpac.me/results/3328144d-7e6a-4306-9822-1fdf4eb5bd16/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48d4d0c2d682/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2518400/
Cape
Cape
https://www.capesandbox.com/analysis/356875/

Comments


Avatar
zbet commented on 2023-01-25 20:36:37 UTC

url : hxxp://185.185.40.164/calc.exe