MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472
SHA3-384 hash: de137fe7e7058435f70ac859e3d5b9ed81f8b8782249ae1eca81bef882e83b2f44cda2879e918f8a68c3e9902254bacf
SHA1 hash: f6495dd08bdc9d8d049e1e898800bd8d9311a549
MD5 hash: 3aee87433e931e3a5fc22f57f428fcbb
humanhash: video-robin-oranges-louisiana
File name:JDtnp2mcrQvXDeo.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:667'648 bytes
First seen:2024-06-06 15:18:36 UTC
Last seen:2024-06-08 07:22:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:G3qyJMjKlhpPEe0XTfBSH9GuIwY4HwHDohzRqrewL5aArEpVLsGY:G6OFh9EVckHBshMreWgWJ
TLSH T146E4024126A94701D6BD97F5159840414F7C39229E22E70DCEC27DEA9F31BD1EA0FB2B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 31f0d4b2b2f0e871 (10 x AgentTesla, 8 x Formbook, 3 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472.exe
Verdict:
Suspicious activity
Analysis date:
2024-06-06 15:44:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9d377ef8-e963-4837-a831-3782d764fe21

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10031556-0
Create hunting rule

Win.Packed.Generic-10031557-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6661d36eef9fdf64aa687631/reports/40ca7dc9-7008-4de8-9401-7cfc210d2e3b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472
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/16bfa012-e7d6-4a1e-9a7f-96abaff23f2c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1453154
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Reads the DNS cache
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1453154 Sample: JDtnp2mcrQvXDeo.exe Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 37 www.jurj.xyz 2->37 39 www.thehistoryofindia.in 2->39 41 6 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 11 other signatures 2->57 11 JDtnp2mcrQvXDeo.exe 3 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 37->55 process4 file5 35 C:\Users\user\...\JDtnp2mcrQvXDeo.exe.log, ASCII 11->35 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 JDtnp2mcrQvXDeo.exe 11->15         started        18 JDtnp2mcrQvXDeo.exe 11->18         started        20 JDtnp2mcrQvXDeo.exe 11->20         started        22 JDtnp2mcrQvXDeo.exe 11->22         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 24 explorer.exe 73 1 15->24 injected process9 dnsIp10 43 nufyo4ac.cdnaaa.net 103.250.7.116, 49720, 80 MYTEK-AS-APDefenseAustraliaNetworkAU Hong Kong 24->43 45 www.junongpei.website 188.114.97.3, 49716, 80 CLOUDFLARENETUS European Union 24->45 47 2 other IPs or domains 24->47 59 System process connects to network (likely due to code injection or exploit) 24->59 61 Uses ipconfig to lookup or modify the Windows network settings 24->61 28 ipconfig.exe 24->28         started        signatures11 process12 signatures13 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Reads the DNS cache 28->69 71 Maps a DLL or memory area into another process 28->71 73 Tries to detect virtualization through RDTSC time measurements 28->73 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-06-05 11:47:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ocolrmtcrvjllf5ip52l3cdh3vamwvf5jcka2fm52emtbwoxmrza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cr12 rat spyware stealer trojan
Link:
https://tria.ge/reports/240606-sp8eqsgg98/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
5354bc116f24a240380a1dd62ae528694ea44a96857ccdefe4bc98eea1c61067
MD5 hash:
89e349ef025a380916b91e997abe2487
SHA1 hash:
ad6eab55054ea27a970f6a075118665f10ea09bb
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/c2475a82-6ab2-4aba-9aed-056b86b7b97e/
Parent samples :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 hash:
c33f4dd8ddce7fcbaaf1c3db97943ce68eff43fcad18776ca9286217899355d3
MD5 hash:
64470392c6d2f3baa829fe148dfdf56c
SHA1 hash:
8fb5b344ff22142bcc58dd68fd768f2abfc013d3
Link:
https://www.unpac.me/results/c2475a82-6ab2-4aba-9aed-056b86b7b97e/
SH256 hash:
c062b111200cd28919435938abdb47dd27f60297175f8c6eecd2cb66d1f7ea1f
MD5 hash:
db3b07c7a225310d78d0c223dd0b163c
SHA1 hash:
6c7c223015c6b5b1ae7f4dd301a988430b8c2491
Link:
https://www.unpac.me/results/c2475a82-6ab2-4aba-9aed-056b86b7b97e/
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
Link:
https://www.unpac.me/results/c2475a82-6ab2-4aba-9aed-056b86b7b97e/
SH256 hash:
709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472
MD5 hash:
3aee87433e931e3a5fc22f57f428fcbb
SHA1 hash:
f6495dd08bdc9d8d049e1e898800bd8d9311a549
Link:
https://www.unpac.me/results/c2475a82-6ab2-4aba-9aed-056b86b7b97e/
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/709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

r01 35bd9420c3277467829900ba24fd09253764d4d94a73ed733f7d5d27f607d2a9

Formbook

Executable exe 709cb8b2628d52b597a87f74bd8867dd40cb54bd48940d159dd11930d9d76472

(this sample)

  
Dropped by
SHA256 35bd9420c3277467829900ba24fd09253764d4d94a73ed733f7d5d27f607d2a9
  
Dropped by
MD5 abb06ed8e944f2140ec27378b6aa8bcd

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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