MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c
SHA3-384 hash: 855fdbde1041e28852b8b37501545acb58ca0694ff62ff14d8d67ae2cfd7e56a0534cf6fccf604947ff46be0caf87d0d
SHA1 hash: 3b77015f0db04bbc6f173cfbea196a71f9a2d782
MD5 hash: c8a323dfd71345944e8a9482bc504ebe
humanhash: lion-winner-carbon-massachusetts
File name:af3G5uWlfRrXfHD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:654'336 bytes
First seen:2023-05-17 08:57:44 UTC
Last seen:2023-05-17 09:10:08 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:M2f2Pvb1lk1iUEW43R9T6eXkKEqbUjtX3OSGX3lxjb/Wue:gpiz43RFBkKEqoX3Or37m
Threatray 2'938 similar samples on MalwareBazaar
TLSH T11BD4F13427D6975BC51B837580D2C3F0AB3A9C85F426CB670FCCBD8BB64B1B56222294
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
251
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
af3G5uWlfRrXfHD.exe
Verdict:
Malicious activity
Analysis date:
2023-05-17 06:25:36 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/194526c4-39a8-42a4-8aeb-973b694475c9

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/390613/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.26739.28344.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6464971c3e79001b02c98e1c/reports/32a8d223-40d6-429c-93e5-2170dfb0987f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c
Result
Verdict:
UNKNOWN
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/97ca9721-978f-4141-a2a6-7381fa9183f3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1235069
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 868056 Sample: af3G5uWlfRrXfHD.exe Startdate: 17/05/2023 Architecture: WINDOWS Score: 100 31 www.511271.com 2->31 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 4 other signatures 2->43 11 af3G5uWlfRrXfHD.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\af3G5uWlfRrXfHD.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 15 af3G5uWlfRrXfHD.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 1 15->18 injected process9 dnsIp10 33 www.511271.com 103.82.214.167, 80 DNC-ASDimensionNetworkCommunicationLimitedHK Hong Kong 18->33 35 www.dobrozdrawin3.ru 31.31.196.166, 49695, 80 AS-REGRU Russian Federation 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 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 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-17 03:17:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t3ye72yo4f2subeciifs77wmetljv2ruegs2vi5tnuouayithnga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
28981de1a7a9617749fe0a5d19b8e0c80b2dc082118c1ca1b95e475df34e44a4
Formbook
28c3fe7155927cb7482afbe59c25193a1a34856caa296cec11f9a3404df33d7c
Formbook
319ed15753e7ce1ff182e1bd2e4900de9c76300f30cb645c01b57324de50face
Formbook
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf
Formbook
50cdd51095fdcef2b731f6fa30952916f37782b1a9a5778556347e338cec85aa
Formbook
a79e68bc2d8643ff603ce0333efb343924760abc43edcc450c124fe4b9142c75
Formbook
abbf85558290e3fa302f88f51243e5216f24c9bc4fce64a0f616db3be2c46e8e
Formbook
b5f2e0b49faad7f9714d0b1088965647eb83d8772b234555738bcea1094dfd2f
Formbook
cbdac32d6f43a1f03a26cc2fcc6ea13586f0d7f85764c1626cc71ce30bc0434b
Formbook
+ 2'928 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ws6g rat spyware stealer trojan
Link:
https://tria.ge/reports/230517-kw6kqadd8w/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
a6fa92763754694a72b9eea01f3a132e73e7b28d4bccf816bd00d9037aac18c7
MD5 hash:
82467fdefd20c7b1c6f132589b425ffd
SHA1 hash:
127583d2fb33e57d7fed2ee2ea99c2476a499775
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/649a0c93-1ffd-4d55-8018-8ccaffb0b64e/
Parent samples :
50cdd51095fdcef2b731f6fa30952916f37782b1a9a5778556347e338cec85aa
9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c
d47b09aa20047a24da4bb05c726b29200b0803e350d0d51b2f63162d1fd0e66f
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/649a0c93-1ffd-4d55-8018-8ccaffb0b64e/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
1aab4fc179fd425afacf608a0286651de90300919db7d5d52dd26dc5ce2d84c1
MD5 hash:
bb9c150caf543d36ec586c3dd532421e
SHA1 hash:
99055427ad68e732bdd740dbd2dc58a58162d761
Link:
https://www.unpac.me/results/649a0c93-1ffd-4d55-8018-8ccaffb0b64e/
SH256 hash:
30b6db592408e04f3a549cca78f7e7242115646f7d32f5d99f280bbf3fce0df3
MD5 hash:
49eeeeed7ef71b86c0a6a5a17c3353b3
SHA1 hash:
4e3215ea526903b9876a32530e3c7cb2241771c1
Link:
https://www.unpac.me/results/649a0c93-1ffd-4d55-8018-8ccaffb0b64e/
SH256 hash:
81d3b893aad0def2fc419f00eacab146e9bc389c261bab03416ebd5155ca68eb
MD5 hash:
c9f0b8319c7ca450341379fc83a29a71
SHA1 hash:
26dbd09bb76b06cad76d1076f7a38892d4cb37d9
Link:
https://www.unpac.me/results/649a0c93-1ffd-4d55-8018-8ccaffb0b64e/
SH256 hash:
9ef04feb0ee1752a0482420b2ffecc24d69aea3421a5aaa3b36d1d4061133b4c
MD5 hash:
c8a323dfd71345944e8a9482bc504ebe
SHA1 hash:
3b77015f0db04bbc6f173cfbea196a71f9a2d782
Link:
https://www.unpac.me/results/649a0c93-1ffd-4d55-8018-8ccaffb0b64e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9ef04feb0ee1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/390613/

Comments