MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f737af2624feac70ecd09fc431e44685a9fff885822f2d463bf56ce8b3edffa. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f737af2624feac70ecd09fc431e44685a9fff885822f2d463bf56ce8b3edffa
SHA3-384 hash: 7425d24ce412f51b01ac8a55ea7688cdd985f6231a71b7bba57c75fe9a705c2c0fcc0a644933c2d3141c3094c727fd5d
SHA1 hash: fff8e34ff323a8fc3ddcb3be533b5d7632e28397
MD5 hash: 899648b2be16db30da4f0d460d22e5ec
humanhash: steak-five-video-steak
File name:899648b2be16db30da4f0d460d22e5ec.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'063'936 bytes
First seen:2022-12-21 17:58:28 UTC
Last seen:2022-12-21 19:29:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:HTeYMyHAMETNzTl9eie6V7GB7NW/SGHZVAvVTOwTZZBLYac1f+mDXttarruVBDUt:RgMUX8UCxNjGsb1ZBLY9
TLSH T17135D4ABD9A82223D071D17697E35B2AF580F007F0825F1D4FCB9F3665916C22987A1F
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
899648b2be16db30da4f0d460d22e5ec.exe
Verdict:
Suspicious activity
Analysis date:
2022-12-21 18:02:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d9ccecd7-14ca-496b-9d65-2c4fa14d450c

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/348819/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.24959.8531.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63a34967818a052f5d8dd607/reports/bb988733-269b-4114-8834-64f092e1faf8/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e13c456d-9a36-4c3b-9a73-829c3a83e65b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1138885
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 771617 Sample: I2zdel0BJt.exe Startdate: 21/12/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 10 I2zdel0BJt.exe 3 2->10         started        process3 file4 37 C:\Users\user\AppData\...\I2zdel0BJt.exe.log, ASCII 10->37 dropped 63 Tries to detect virtualization through RDTSC time measurements 10->63 65 Injects a PE file into a foreign processes 10->65 14 I2zdel0BJt.exe 10->14         started        17 I2zdel0BJt.exe 10->17         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 Queues an APC in another process (thread injection) 14->75 19 explorer.exe 14->19 injected process8 dnsIp9 41 full-funs.com 124.150.132.52, 49685, 49686, 80 PUMO-NETPUMONETWORKDIGITALTECHNOLOGYCOLTDTW Taiwan; Republic of China (ROC) 19->41 43 www.full-funs.com 19->43 53 System process connects to network (likely due to code injection or exploit) 19->53 23 cmmon32.exe 18 19->23         started        signatures10 process11 file12 33 C:\Users\user\AppData\...\268logrv.ini, data 23->33 dropped 35 C:\Users\user\AppData\...\268logri.ini, data 23->35 dropped 55 Detected FormBook malware 23->55 57 Tries to steal Mail credentials (via file / registry access) 23->57 59 Tries to harvest and steal browser information (history, passwords, etc) 23->59 61 3 other signatures 23->61 27 cmd.exe 2 23->27         started        signatures13 process14 file15 39 C:\Users\user\AppData\Local\Temp\DB1, SQLite 27->39 dropped 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 31 conhost.exe 27->31         started        signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f737af2624feac70ecd09fc431e44685a9fff885822f2d463bf56ce8b3edffa/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-12-21 17:59:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5zxv4tcj7vmodwnbh6eghsenbnj774ilarpfvddx5lm5cz6375a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:b47h rat spyware stealer trojan
Link:
https://tria.ge/reports/221221-wkq7facg76/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
56698c6b1dc0e6b65194dda05861628a2c3204c0467971a0cbbc5ad800c55620
MD5 hash:
a849a9e4545dd130c7daaf1090f5a935
SHA1 hash:
970b4148796e9cf7f4ffbc0994d0b716ed517c65
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7fc3a433-08f1-4708-aede-beba72e4a075/
Parent samples :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 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/7fc3a433-08f1-4708-aede-beba72e4a075/
SH256 hash:
055bdc7560aae2970cc5c927a52d8ad35a07919145262551bc27a9df24608963
MD5 hash:
0c273fcecac968402f85a2aba87edac3
SHA1 hash:
f231f648d8724fbe0a030a0af7bb034daebfd630
Link:
https://www.unpac.me/results/7fc3a433-08f1-4708-aede-beba72e4a075/
SH256 hash:
54d781f0dee6692c47390edf1ada295fb17a7e80ed5ccd58ab14c6ddf80a0ad8
MD5 hash:
4f6caebd865502f7c8046fbae3284c61
SHA1 hash:
be357e832bf6f61454875b37a1759cf1c5fa5ca4
Link:
https://www.unpac.me/results/7fc3a433-08f1-4708-aede-beba72e4a075/
SH256 hash:
8120abe648ca67abe1e8adf49e814dad574ff5ecb1336cdbaf1eeb79519abb23
MD5 hash:
64a20ba0ceb6f39d65f08510b4680357
SHA1 hash:
2e34674bd1f8deabe9fc1acb5a9f83fb9d5a3c2d
Link:
https://www.unpac.me/results/7fc3a433-08f1-4708-aede-beba72e4a075/
SH256 hash:
2f737af2624feac70ecd09fc431e44685a9fff885822f2d463bf56ce8b3edffa
MD5 hash:
899648b2be16db30da4f0d460d22e5ec
SHA1 hash:
fff8e34ff323a8fc3ddcb3be533b5d7632e28397
Link:
https://www.unpac.me/results/7fc3a433-08f1-4708-aede-beba72e4a075/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f737af2624f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/2f737af2624feac70ecd09fc431e44685a9fff885822f2d463bf56ce8b3edffa

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 2f737af2624feac70ecd09fc431e44685a9fff885822f2d463bf56ce8b3edffa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2395551/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/348819/

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