MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51ddc6a4d31fd26b2aa91a5c0a61e44583c2a84f62d2ad29fb9656f3c6f25b64. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 51ddc6a4d31fd26b2aa91a5c0a61e44583c2a84f62d2ad29fb9656f3c6f25b64
SHA3-384 hash: 2968b41e4bd786b32c28913520d24d9c5fd56f810d9c50b9845f12a77d680746f9212b6a767f1c50d1eac239f0a28c28
SHA1 hash: 428bc7c4e20b639e86216af98d29f9356df979f2
MD5 hash: dbcc4adb78aec2fbde8692affd29b2b1
humanhash: nine-avocado-montana-seventeen
File name:dfgnhjmhumbgfv.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'106'432 bytes
First seen:2022-11-02 21:46:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:5pc61RaNPACoW/TKkJA38ZGLDfERzLUJnd9XaF3n4hC6xyAfxIK70:Phc2W/mkO8ZoOzLUJnf23oCUXP
Threatray 15'602 similar samples on MalwareBazaar
TLSH T1FB35233B4E82D736FA733972B143B5618334AD61392AE48BA99C3F5E0B7757C6122530
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 31d89c92929ed831 (19 x RemcosRAT, 6 x Formbook, 2 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
dfgnhjmhumbgfv.exe
Verdict:
Malicious activity
Analysis date:
2022-11-02 21:49:13 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9b25d3e9-b835-4da0-8ada-b986e17709fa

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/327357/
Detection(s):
SecuriteInfo.com.Trojan.Mardom.MN.14.28793.4172.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Forced system process termination
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6362e557736e9d884f0de544/reports/7d47b240-1562-4462-95a5-94329f5cc4c4/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/1e7d1b10-d176-4a2a-8222-fbfcdee59a65
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103760
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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 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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 736421 Sample: dfgnhjmhumbgfv.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 55 www.somosmaisque1.com 2->55 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 7 other signatures 2->63 11 dfgnhjmhumbgfv.exe 1 5 2->11         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\Desjhtkhg.exe, PE32 11->49 dropped 51 C:\Users\...\Desjhtkhg.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\...\dfgnhjmhumbgfv.exe.log, ASCII 11->53 dropped 65 Encrypted powershell cmdline option found 11->65 67 Injects a PE file into a foreign processes 11->67 15 dfgnhjmhumbgfv.exe 11->15         started        18 powershell.exe 15 11->18         started        20 dfgnhjmhumbgfv.exe 11->20         started        22 dfgnhjmhumbgfv.exe 11->22         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 24 explorer.exe 15->24 injected 26 conhost.exe 18->26         started        process9 process10 28 Desjhtkhg.exe 2 24->28         started        31 Desjhtkhg.exe 1 24->31         started        33 autochk.exe 24->33         started        35 cscript.exe 24->35         started        signatures11 69 Antivirus detection for dropped file 28->69 71 Multi AV Scanner detection for dropped file 28->71 73 Machine Learning detection for dropped file 28->73 37 powershell.exe 12 28->37         started        39 Desjhtkhg.exe 28->39         started        75 Encrypted powershell cmdline option found 31->75 77 Injects a PE file into a foreign processes 31->77 41 powershell.exe 13 31->41         started        43 Desjhtkhg.exe 31->43         started        process12 process13 45 conhost.exe 37->45         started        47 conhost.exe 41->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51ddc6a4d31fd26b2aa91a5c0a61e44583c2a84f62d2ad29fb9656f3c6f25b64/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 17:48:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 26 (61.54%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kho4njgtd7jgwkvjdjoauypeiwb4fkcpmljk2kp3szlphrxslnsa._file
Verdict:
malicious
Label(s):
formbook
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masslogger
Create hunting rule
Similar samples:
1568ed9366bd6a4dfaa68fb2dd6bfe64029f379108ca2975ea18de63e70b90e7
Formbook
5c9bc26dc946ccb62164cc64be0a1a7d1f4ba62f1fdc2e0b2c62016b7b6a548d
Formbook
82478a8a9aad7d755492677e29689c5656bddb130798408bc38a751ccd35cfbd
Formbook
8dc1a6e1fdccf0a3636a3259e32a5979c477dc85b387ca13e7dc95b01bed2c63
Formbook
b48856a716e4d78090c3375b66d87b4916fd3993d1b77ef4f4a95de738a4e62f
Formbook
bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273
Formbook
c07f4c28e541e393b16e1ffe6128d914a106f3c65fbd88a956ebe73049da0489
Formbook
+ 15'592 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fbce persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-1m63wscad4/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aaeaf937-96e0-4f7b-ad97-e7af9faf0cc5
Unpacked files
SH256 hash:
fe7dd3009e01e6c42cc4206b66f24dc580e59dfc5f10ed0520cf6453da876f08
MD5 hash:
4100b0b0e4175557da9158d652bb758b
SHA1 hash:
2bd6e7c6839062200f170c32640f1b48dffdfd15
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4b38f446-5982-4b10-90bf-02e2ae8f49f2/
Parent samples :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 hash:
5b6775eb9cc741aff04f78a75f2456223c52f5aa6cd686ddaa4cb0206a51fbc3
MD5 hash:
dc060082bea4c4bd8a7f76f05749ba79
SHA1 hash:
300c1a90f84eae0ee87033d75fb29264c67fd10b
Link:
https://www.unpac.me/results/4b38f446-5982-4b10-90bf-02e2ae8f49f2/
SH256 hash:
f5d61793133e78dc24254bf874da78360ab08a8978e63ffcfa174ed6cb5c3288
MD5 hash:
c0c79c8bc47989aaf705566026e690e8
SHA1 hash:
263b957951c458d60f46c355c35bbc13990336da
Link:
https://www.unpac.me/results/4b38f446-5982-4b10-90bf-02e2ae8f49f2/
SH256 hash:
51ddc6a4d31fd26b2aa91a5c0a61e44583c2a84f62d2ad29fb9656f3c6f25b64
MD5 hash:
dbcc4adb78aec2fbde8692affd29b2b1
SHA1 hash:
428bc7c4e20b639e86216af98d29f9356df979f2
Link:
https://www.unpac.me/results/4b38f446-5982-4b10-90bf-02e2ae8f49f2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51ddc6a4d31f/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/51ddc6a4d31fd26b2aa91a5c0a61e44583c2a84f62d2ad29fb9656f3c6f25b64

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: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

Executable exe 51ddc6a4d31fd26b2aa91a5c0a61e44583c2a84f62d2ad29fb9656f3c6f25b64

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/327357/

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