MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
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SHA256 hash: 6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358
SHA3-384 hash: e8d6d7f0c80b98bfc69690a45c5d9914614f73a8db63b0c4dd091130eccc454233281ccb8564eb81bd1fa0256182a27f
SHA1 hash: 457fad0610567b85368135a9f9ec5dd233d2d5f7
MD5 hash: becb941903bc0414ab598dceba955bbd
humanhash: magazine-comet-ack-social
File name:becb941903bc0414ab598dceba955bbd.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:526'755 bytes
First seen:2023-01-19 15:07:27 UTC
Last seen:2023-01-19 16:38:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:UYEPZNlmKOHYJzs9rWDgEkNjRc87+ZmZ7Gk:UY+lmjzrW0EkDLZP
TLSH T15EB4121A37C0D973D2130AB608B7D399ABB46D265DA6530733503FDE7E322D1AD4A3A1
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 30d9988cd0d86080 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
becb941903bc0414ab598dceba955bbd.exe
Verdict:
Malicious activity
Analysis date:
2023-01-19 15:10:46 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/cd2c5d8a-accb-44a8-b9a7-8c95baf48927

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/354587/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.30616.314.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Reading critical registry keys
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/61494/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c95cd781817f6f4dc4b84e/reports/641fe6bc-328c-48de-9d9f-3b4f7eed1b69/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f479cf4f-b861-41ec-887c-cb4816fb84f4
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1154932
Signature
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 787665 Sample: NpnLGng4fk.exe Startdate: 19/01/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 2 other signatures 2->39 9 NpnLGng4fk.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\...\eesgjohefq.exe, PE32 9->25 dropped 12 eesgjohefq.exe 9->12         started        process5 signatures6 51 Multi AV Scanner detection for dropped file 12->51 53 Detected unpacking (changes PE section rights) 12->53 55 Maps a DLL or memory area into another process 12->55 57 Contains functionality to detect sleep reduction / modifications 12->57 15 eesgjohefq.exe 12->15         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 4 6 15->18 injected process9 dnsIp10 27 www.neramode.site 199.192.31.98, 49735, 49736, 49738 NAMECHEAP-NETUS United States 18->27 29 www.l1fjc.info 172.67.201.72, 49725, 49727, 49728 CLOUDFLARENETUS United States 18->29 31 6 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 chkdsk.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-01-19 08:29:01 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2diq33l3zai3jgacv7fayrxegrzktdfget735anwuvm5tmwsnma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230119-shwgladc6t/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f81a68ca-cf71-4776-b5c1-d8d84fa930ae
Unpacked files
SH256 hash:
c960753d8b47dc344f9c8e6734122f69cabdb4e889c2244d57193032580b87e5
MD5 hash:
0b65f8b29f6610a9fedb66e1deb5106c
SHA1 hash:
e237c555eb3c34c7ee50701b79c04e66943f19a9
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b3a69039-193c-474f-b162-f7b506f39af9/
Parent samples :
3e677355817c5d7cf457b670c028523f420442374463e5aa23f5c195ae290472
6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358
SH256 hash:
46d4166d64f3857aca227175f4c870f59b5b31d4dbb7c1425c0b92e27095a79b
MD5 hash:
b4048ff6c39ce99044a846726f389d6e
SHA1 hash:
e6136f463b01ec02529cd6cef1855a35a5df6dd6
Link:
https://www.unpac.me/results/b3a69039-193c-474f-b162-f7b506f39af9/
SH256 hash:
fcf2d7679a3e7d5360ba260370f452c9f081b1729df160b5ff5864c30a5105aa
MD5 hash:
a827acf8e0efb6a38a1c4c5e1108e5e7
SHA1 hash:
46fe8d7156adab459105e91e1f9bb410d59308e9
Link:
https://www.unpac.me/results/b3a69039-193c-474f-b162-f7b506f39af9/
SH256 hash:
6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358
MD5 hash:
becb941903bc0414ab598dceba955bbd
SHA1 hash:
457fad0610567b85368135a9f9ec5dd233d2d5f7
Link:
https://www.unpac.me/results/b3a69039-193c-474f-b162-f7b506f39af9/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6686886f6bde/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/6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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 6686886f6bde408da4c0157e50623721a3954c653127fdf40db52acecd969358

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2322914/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/354587/

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