MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfef95aace8bc4b84638abf73bdfb24e3108f8fef08ad6129546a2ffe9c13341. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: dfef95aace8bc4b84638abf73bdfb24e3108f8fef08ad6129546a2ffe9c13341
SHA3-384 hash: dd5284e8dfe6d8a6e707b0fc1c8eeb418390aac366b8deaca4f6d411562c4598fc85e26206b28d6dd985740423486044
SHA1 hash: b4e5d9f568e75f03ec6d6162e7cccc5fb51f1dfa
MD5 hash: 05a64724337efd906ee2b96271794fb0
humanhash: early-edward-maine-steak
File name:image004.exe
Download: download sample
Signature Formbook
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File size:15'360 bytes
First seen:2022-11-23 09:34:49 UTC
Last seen:2022-11-23 11:37:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 192:bGbLYuZbHzxQMKek0LhkgSleWk8Lngcq2/4yTLzzcyrwzc5+45ZPw4d+U43P25:AkXv0LhQoWfgcq2wyDwySc5+c1h4+
TLSH T18A620715666CC221C357C73FC8F7D9CC27F5E292ACA3D5BE644123856CC3399DA24691
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
image004.exe
Verdict:
Malicious activity
Analysis date:
2022-11-23 09:36:09 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/de5426f6-56f4-41df-a0ab-650b402a47c9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/337527/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19135.4550.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637de9499c57db591d88c370/reports/05136e1c-5950-41cd-9233-523857e9b0cd/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4aa94ef6-2460-41d9-a8d7-03d52edb7c65
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119562
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected FormBook
Yara Genericmalware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 752279 Sample: image004.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 8 other signatures 2->54 10 image004.exe 16 7 2->10         started        process3 dnsIp4 44 185.216.71.120, 49691, 49697, 49698 CLOUDCOMPUTINGDE Germany 10->44 38 C:\Users\user\AppData\...behaviorgraphjzsxrkx.exe, PE32 10->38 dropped 40 C:\Users\...behaviorgraphjzsxrkx.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\...\image004.exe.log, ASCII 10->42 dropped 64 Encrypted powershell cmdline option found 10->64 66 Injects a PE file into a foreign processes 10->66 15 image004.exe 10->15         started        18 powershell.exe 16 10->18         started        file5 signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Queues an APC in another process (thread injection) 15->72 20 explorer.exe 3 15->20 injected 22 conhost.exe 18->22         started        process9 process10 24 Gjzsxrkx.exe 14 3 20->24         started        27 Gjzsxrkx.exe 3 20->27         started        dnsIp11 56 Antivirus detection for dropped file 24->56 58 Multi AV Scanner detection for dropped file 24->58 60 Machine Learning detection for dropped file 24->60 30 powershell.exe 11 24->30         started        46 192.168.2.1 unknown unknown 27->46 62 Encrypted powershell cmdline option found 27->62 32 powershell.exe 27->32         started        signatures12 process13 process14 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfef95aace8bc4b84638abf73bdfb24e3108f8fef08ad6129546a2ffe9c13341/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-23 02:29:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=37xzlkworpclqrryvp3txx5sjyyqr6h66cfnmeuvi2rp72obgnaq._file
Verdict:
malicious
Label(s):
formbook
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s2h0 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221123-lkb3eabe94/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook
Unpacked files
SH256 hash:
dfef95aace8bc4b84638abf73bdfb24e3108f8fef08ad6129546a2ffe9c13341
MD5 hash:
05a64724337efd906ee2b96271794fb0
SHA1 hash:
b4e5d9f568e75f03ec6d6162e7cccc5fb51f1dfa
Link:
https://www.unpac.me/results/c6b4353a-e60e-4504-8f92-3f0469f225ce/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dfef95aace8b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dfef95aace8bc4b84638abf73bdfb24e3108f8fef08ad6129546a2ffe9c13341

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/337527/

Comments