MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a
SHA3-384 hash: e5cf023bbc103a0ea902d4f0634ddcaf21e0bb6ce10ff8025f1575d1b5408d3963b21772eb81c8ab61e7715f7cc90a09
SHA1 hash: 898c4721b6e4593cbe0b88dbde8c152bc8a87a55
MD5 hash: 6dfcb41ce4cc51a4c8ea418960b45c0b
humanhash: maryland-paris-sweet-sierra
File name:ArD5nO3F91myqTV.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:578'560 bytes
First seen:2021-10-29 10:18:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Qz/dU0J0sHpQZHroUBn+lV5PqW5+nL2krhPRMBLDG6smdhTXyCkAw:+DJpQZHP+lWRLreDHFfXyCkAw
Threatray 11'135 similar samples on MalwareBazaar
TLSH T104C47D48B100A5BEF816893189D73D54DD18A8A2460BC642677F239FBF3F1D68F0D5EA
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ArD5nO3F91myqTV.exe
Verdict:
Malicious activity
Analysis date:
2021-10-29 12:50:59 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/cc587f54-c81f-4346-8d10-ce46920b4432

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/786f3c89-7cd2-4bd0-9c96-74046b9ba62b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879226
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 dnsIp2 2 Behavior Graph ID: 511660 Sample: ArD5nO3F91myqTV.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 31 www.classicshoes.club 2->31 33 vip.shoplazza.store 2->33 35 fbc7888164e64afca05b80bb89630439.pacloudflare.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 6 other signatures 2->49 11 ArD5nO3F91myqTV.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\ArD5nO3F91myqTV.exe.log, ASCII 11->29 dropped 61 Detected unpacking (changes PE section rights) 11->61 63 Detected unpacking (overwrites its own PE header) 11->63 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 ArD5nO3F91myqTV.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.growingainzfitness.net 199.34.228.174, 49833, 80 WEEBLYUS United States 18->37 39 israel-grahamcoates.com 192.249.119.170, 49834, 80 IMH-WESTUS United States 18->39 41 8 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-27 21:29:00 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tkywyoymv4sx7bss2f6wilctz4xiavxtr4zpbep2eplkz6snlofa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1999253e5409121ca9810f0a75358043ed34c6fbd8444423cd01f935a51ad64d
Formbook
3c49925f16564b984c0b0f76cff0d581bf770958f0dd5686aff2c6ce747eef2a
Formbook
3f95e7795f8c0b70983561a48425e735ef7832603543980f460b1356403ec622
Formbook
4c20199af53476746b9169321c057437c7341c334d61f496820876d9feb63251
Formbook
9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145
Formbook
a8ea6b5e7721a2d508d362f9e75fc38fe3b845375c358829ef0604cc2345aa13
Formbook
ca08a2e70dac67086919a22c1b4bdf3f0f2578cb446ca74c8e599f71d0849e55
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
dd4af1effdd1081fccbd05d035c4dfac3b992a358e2a6a6140095d0385ca7f5e
Formbook
+ 11'125 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:k8u7 loader rat
Link:
https://tria.ge/reports/211029-mchqnadah7/
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ardisadr.online/k8u7/
Unpacked files
SH256 hash:
0061e9c8d485a6a02d4bd2f4bc76804070d6c05b42249d4fdea2b809c88bd25a
MD5 hash:
4b3ede182db57241b0b5ee8fc9ca9d3b
SHA1 hash:
68a56208f70d268e03e5f7616f854d66712cc0be
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/96011dd5-6785-4cab-ba70-600964ccbd95/
Parent samples :
4c20199af53476746b9169321c057437c7341c334d61f496820876d9feb63251
a8ea6b5e7721a2d508d362f9e75fc38fe3b845375c358829ef0604cc2345aa13
9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a
SH256 hash:
343d6363fa62108c04a75673320c6cde033418fda344eff9881335deb7e821d8
MD5 hash:
7af1bc635c49328a66f2ec0ab9fb4825
SHA1 hash:
7d69aa151f2d6a8c89bf228384b0bddc15b251b9
Link:
https://www.unpac.me/results/96011dd5-6785-4cab-ba70-600964ccbd95/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/96011dd5-6785-4cab-ba70-600964ccbd95/
SH256 hash:
9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a
MD5 hash:
6dfcb41ce4cc51a4c8ea418960b45c0b
SHA1 hash:
898c4721b6e4593cbe0b88dbde8c152bc8a87a55
Link:
https://www.unpac.me/results/96011dd5-6785-4cab-ba70-600964ccbd95/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 9ab16c3b0caf257f8652d17d642c53cf2e8056f38f32f091fa23d6acfa4d5b8a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments