MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc
SHA3-384 hash: ca40420a96d1df0befe1101c985502fec562af921a59451ed95121caa0229c2476eabc9055ceb2e24f8a9a88f6acdc2e
SHA1 hash: b5016f862996878b5abf816aff4372420ecddca0
MD5 hash: 842dbf4950551a266d2ae781a0af54ae
humanhash: quiet-wyoming-apart-six
File name:file.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:640'512 bytes
First seen:2023-11-26 16:53:46 UTC
Last seen:2023-11-26 18:38:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:XasOHMvj6sF+kFpRJv2/WGyWofGPrvDiP8q5iVpKWODKxSAMIsr8ed3K4ENzZWK:X52sTjvSbGKvhYKh2KEA/sndxEN
TLSH T153D4231632AE07A5D4DC07FE27B3C291037093DEB15BFF6849DC51DA9B68B04A96B243
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)
File icon (PE):PE icon
dhash icon 00e4f8d2f2d0c010 (7 x Formbook, 5 x AgentTesla, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
294
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460361/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.4185.31272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6563782bfb43e835e6b61e17/reports/08c96c12-d28a-4ea7-b3c3-38ed47eac231/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1e9bda93-e71c-4033-8c69-d88a414e59b3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348049
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-24 09:52:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sblsdqnskiuvslrskon26zh7divwbyf5q4wd3bxfhwgytvt5ao6a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231126-vejdzaaf4s/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
1a076aacc826926bd42ad671ba523b57d6a24b85ed15899a250f7493441dc7ae
MD5 hash:
491af8c79b2d6bbe0205289afb862d21
SHA1 hash:
16139c2f9f22b988396d7ac157971725d3dd45d3
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
5aab96f450bb094e05d06db714ba94337a4ea97c9f0337420f3fc68380062f85
MD5 hash:
37e4e55c600a08ea5209c89618df0e59
SHA1 hash:
45c51a16eb4024b20feb96e5027d8c9d8e22331e
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
b40c51212af363bb685b5297ed6bf9f2b327f0ee31987c9eb4eb74fe79d925c6
MD5 hash:
af9c4cbc5be56020a32b6ae6c7d535d4
SHA1 hash:
ecd022f7261025c01779f742832372729e7b2bbf
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
2e61b5e653912649d657420b84a16d5c4985d03fdd64d591d45cf1071eedb73e
MD5 hash:
1c432f03b6facb1e2a4a3213f1f36cbf
SHA1 hash:
d99da405ef3a8bdbd3e33048f2aebf68a9722683
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
6c145eab901f212d6d3ff92db7a17354f1273693fa1c823fdebd48ebfccdd641
MD5 hash:
796db32ec62896f170036994e38ddb23
SHA1 hash:
e404595742bc9ce88ed318ae344dc62ff841869a
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
3d3e526a967d3ec5e45e8991c1c1fe52a1b1091c37ab6fa23fb733423a5779d5
MD5 hash:
d3fda41985e9197a7eb7054977641588
SHA1 hash:
be3a72e8c4fe1e5fce6f9d28fe9a50e1c9e813a9
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
a944b24140f34b84ea55cf8d7e492f4e145ac002d9a120c2e034a330eec399a8
MD5 hash:
06f036bb9f6e878738cdd6242125046b
SHA1 hash:
b4521cfd4826b3fbf2237d64f08571578557ddc3
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
c767eed903e179a3dfbee8e4e6cf89ba283b484aa89a50e0f9f8c36814b81170
MD5 hash:
52b8f24f92cb1fb7f2b69635f5e4ecf6
SHA1 hash:
594860b12bb6c10b6c2e080a17c2018a1a87d6e4
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
4ac15f7242007288dd33cfe04b4c776b2669b92a3a60d0e7f9f38de9cc5d4fb7
MD5 hash:
16005dc94b5b54b3aa70b572fb1564d2
SHA1 hash:
1a66c4963609034d19582a3de818381fa5efd4f1
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
c142ef49fb3b8c91377fefba38ec835d2ceaa60c6e070d465f65a9cc648c69d9
MD5 hash:
acd741cca7dfb003062968730985d6ba
SHA1 hash:
0752b515de2baa0fd270b99c984610a05772b581
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
SH256 hash:
905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc
MD5 hash:
842dbf4950551a266d2ae781a0af54ae
SHA1 hash:
b5016f862996878b5abf816aff4372420ecddca0
Link:
https://www.unpac.me/results/0586b952-b50b-4ad1-95fc-15b0e82e3865/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/905721c1b252/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/905721c1b25229592e32539baf64ff1a2b60e0bd872c3d86e53d8d89d67d03bc

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/460361/

Comments