MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e435e50e9e7257803adfc263bf123092af3a4cebe9cf8f34669ada370109552. 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 6 File information Comments 1
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SHA256 hash: 4e435e50e9e7257803adfc263bf123092af3a4cebe9cf8f34669ada370109552
SHA3-384 hash: 4716e997238fed241529a2a2c76c93e4700632981d1c25d0814ec2f157ddb5b2aea6c28f8e47d917b28bfa150d32a364
SHA1 hash: 530d6ca93b68542ec2354e6b2b9401bf1e6b25fd
MD5 hash: ef0d68989be53f212787dc839ad5a8f2
humanhash: friend-mountain-nevada-massachusetts
File name:ef0d68989be53f212787dc839ad5a8f2
Download: download sample
Signature Formbook
Create hunting rule
File size:759'671 bytes
First seen:2022-10-26 08:17:09 UTC
Last seen:2022-10-26 09:26:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:ayIoDIP8DMmTZkNiNdjaSEM7j5KFd5hmzDBmrDVNL1k1wm0FMWgPszW8YV:ad3QTZkNiNdjaSEM7j5KjilmvNMfdEzY
TLSH T1A9F4CFD13350D44BD245CABE6EA1EA7500E72FA1ADA0D522B3223F6FF6702531C36A53
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f1f0f8f0f8b0e469 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Exploit.CVE-2017-11882.123.13362.27469
Verdict:
Malicious activity
Analysis date:
2022-10-26 01:18:07 UTC
Tags:
trojan exploit cve-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/03cf0e99-9c00-4336-bba1-41927148cd06

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/324270/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.12347.2065.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
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
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/45585/overview
Behaviour
MalwareBazaar
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/075d01aa-2efc-4ead-8771-099c3ef18e93
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098179
Signature
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
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 dnsIp2 2 Behavior Graph ID: 730828 Sample: bKXwGlbPY3.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 36 yourstoolsample.com 2->36 38 www.yourstoolsample.com 2->38 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected FormBook 2->54 56 2 other signatures 2->56 12 bKXwGlbPY3.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\svmga.exe, PE32 12->34 dropped 15 svmga.exe 1 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 svmga.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 23 explorer.exe 18->23 injected process10 dnsIp11 40 yourstoolsample.com 15.197.142.173, 49701, 80 TANDEMUS United States 23->40 58 System process connects to network (likely due to code injection or exploit) 23->58 27 chkdsk.exe 23->27         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e435e50e9e7257803adfc263bf123092af3a4cebe9cf8f34669ada370109552/
Threat name:
Win32.Trojan.LokiBot
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Status:
Malicious
First seen:
2022-10-26 02:35:22 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jzbv4uhj44sxqa5n7qtdx4jdbevphjgox2opr42gngw2g4aqsvja._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:wh23 rat spyware stealer trojan
Link:
https://tria.ge/reports/221026-j6958afbb6/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/99daf394-4a2c-43b4-bc82-5458335e4d93
Unpacked files
SH256 hash:
f383245e5356160a0da84fc48d78bb6b982f79ae6ac9499d0d384172fe069fff
MD5 hash:
224456891bd4d3cd26fccb8f789a5fa5
SHA1 hash:
bfda6ad1b6d1744a4a4918141b71332a745b5b8f
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6ef07376-d4c9-4cdf-8df8-56e8589c7a25/
Parent samples :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 hash:
3c591d3652fbb07e5c7a31a72dac9310ed4efb695235e00ac231d9749dffb331
MD5 hash:
83fab4a3e38f1310f79cf0bb90b37b1c
SHA1 hash:
e4e2ad84d4608f471005747986c55ea7c181406c
Link:
https://www.unpac.me/results/6ef07376-d4c9-4cdf-8df8-56e8589c7a25/
SH256 hash:
4e435e50e9e7257803adfc263bf123092af3a4cebe9cf8f34669ada370109552
MD5 hash:
ef0d68989be53f212787dc839ad5a8f2
SHA1 hash:
530d6ca93b68542ec2354e6b2b9401bf1e6b25fd
Link:
https://www.unpac.me/results/6ef07376-d4c9-4cdf-8df8-56e8589c7a25/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4e435e50e9e7/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/4e435e50e9e7257803adfc263bf123092af3a4cebe9cf8f34669ada370109552

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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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 4e435e50e9e7257803adfc263bf123092af3a4cebe9cf8f34669ada370109552

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2385467/
Cape
Cape
https://www.capesandbox.com/analysis/324270/

Comments


Avatar
zbet commented on 2022-10-26 08:17:16 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/madfmb4.1.exe