MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abe3945460e661e29e3e235bda3144691f263414e49e0976b67d752166274565. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: abe3945460e661e29e3e235bda3144691f263414e49e0976b67d752166274565
SHA3-384 hash: 051e30d2e02f503f1b2639f63ba02a78292961e68e791750f3370663105b545dc144454a2a682c497f71fa45edb68c5c
SHA1 hash: 05f3b1cb79b71ed19e600e9877e47626a88f80f9
MD5 hash: fcdb33e2a41d1c6331e31a138173af5b
humanhash: mississippi-california-burger-zebra
File name:fcdb33e2a41d1c6331e31a138173af5b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:806'400 bytes
First seen:2021-06-02 13:51:29 UTC
Last seen:2021-06-02 16:39:33 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 12288:qY08vTDnyGnOCDL2CjG8BumqpaTLj5nPrETk/KNDXPSX2:qVoyGnOmiar5nL/KNbPt
Threatray 5'564 similar samples on MalwareBazaar
TLSH 47057DF8F5A998B1C54DCB72C794ACBEEB2112FE5603092C06B9DA8C1B0379E9F5C445
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3d.exe
Verdict:
Malicious activity
Analysis date:
2021-06-02 12:15:07 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d7c7f287-3236-4b0e-9985-37ccdeedea1e

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/164075/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/795981
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 428374 Sample: VubYcOdGjQ.exe Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 VubYcOdGjQ.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\VubYcOdGjQ.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 VubYcOdGjQ.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 theguyscave.com 184.168.131.241, 49722, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->30 32 www.wowbeautynails.com 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/abe3945460e661e29e3e235bda3144691f263414e49e0976b67d752166274565/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-02 13:52:12 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vprzivda4zq6fhr6enn5umkenepsmnau4spas5vwpv2sczrhivsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5f31b8fc53f4628aa678d164b995732bea8affd218185d69f1ad86e65bb7757a
Formbook
6f4fbab85c58d588450bc856ceff3894645e0033b4c4d2684184a8430c01daa4
Formbook
726a3798f80c7e482b512dc777bc692965136190990a5fed138934a546944121
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
93d053f43313cccae2d3f9d00b4556429a63efb104b97e08967da8569fa2ff82
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
a3caa0df0bdb2bf954c259a2421958b79c61c5a2dfdefcfbf62b58129f66a56f
Formbook
bc0cc9f45e5a3b9f2f1815c4787849ebd8ab71d72aca809b687bc462ec9b5899
Formbook
f8fe4e73472833179919f0a38080cb9a9567ce739ad669d4199748fc17613a9e
Formbook
+ 5'554 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210602-28grvvb4cx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.dragonpalcenk.com/k8n/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/abe3945460e661e29e3e235bda3144691f263414e49e0976b67d752166274565

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
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.

Web download

Formbook

Executable exe abe3945460e661e29e3e235bda3144691f263414e49e0976b67d752166274565

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1315759/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/164075/

Comments