MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8. 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 22 File information Comments
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SHA256 hash: eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8
SHA3-384 hash: a9c5993ecf9e5a5b1d294d22f81bcd02abc10aaef8add2b0a5cacb7f2b45ef5f0f960f5f968248c74229df14e525435d
SHA1 hash: 2954f4ba4b0ff30136fa6286393f3e87226c4933
MD5 hash: 33e8a6fafc9f36767f9fbd7e99782ad6
humanhash: blue-lithium-jig-papa
File name:SecuriteInfo.com.Win32.PWSX-gen.19760.8507
Download: download sample
Signature Formbook
Create hunting rule
File size:741'888 bytes
First seen:2024-02-19 04:19:46 UTC
Last seen:2024-02-19 15:36:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jSmPwRYnOELz89oRIlSw5RjUGgWD2Uzx+vF6iqlrsRlT0q25Ulc2w/nyOoB4qfDb:jSmP0Y74oRIlSsjR2UV+vdql4RCOFw/K
TLSH T144F4232AF2BC5327CDBD1DB66535046D02B677663937D38838DA709A8D83F50A320B97
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ccd4cc68f0d4d469 (6 x Formbook, 5 x AgentTesla, 3 x PureLogsStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
322
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8.zip
Verdict:
Malicious activity
Analysis date:
2024-02-19 06:44:59 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/2793320d-cab7-4dc3-a90d-a1c653401dc9

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/476710/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.19760.8507.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65d2d6f622703c3491a4c79d/reports/959b520b-c2ce-4652-aebc-18e177257c32/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8
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:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c33c3fb-60af-45f3-b7af-55c69c3bbd09
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394268
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2024-02-19 03:38:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5n3yhbtntmzuiy7ioosqkowb3dhx32zwui7fzrjp4osckzvu5tma._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240219-ex384ahe5z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
97458f44b3ca5c8deec8e9ba71c0ad1634416715c680b251745cdaac7c5a2ef3
MD5 hash:
d69bb29e5cf7fc4942ca3370bfe55f77
SHA1 hash:
4c2c67e764af7c63fa80d384ef7b125def11276b
Link:
https://www.unpac.me/results/17871b80-21a6-4493-bf47-384cfec66a66/
SH256 hash:
af8201b0c4df76806392c2b10f41d066ce817bb9ba8b65efba6a7f7843e4c55d
MD5 hash:
94716a836350e77ebfc6263695e9be05
SHA1 hash:
ee686f35e530bf260c0f20aac4d4608e3c0b50a9
Link:
https://www.unpac.me/results/17871b80-21a6-4493-bf47-384cfec66a66/
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/17871b80-21a6-4493-bf47-384cfec66a66/
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
Link:
https://www.unpac.me/results/17871b80-21a6-4493-bf47-384cfec66a66/
SH256 hash:
e7b039b282b11f8c6a087188037bf865f7554339d691fde8df97c873e8c8c01d
MD5 hash:
9fa171c345e64e0d09d376dda8aaabf2
SHA1 hash:
46490d315aecbfe844202c84f72137c4440eeec4
Link:
https://www.unpac.me/results/17871b80-21a6-4493-bf47-384cfec66a66/
SH256 hash:
eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8
MD5 hash:
33e8a6fafc9f36767f9fbd7e99782ad6
SHA1 hash:
2954f4ba4b0ff30136fa6286393f3e87226c4933
Link:
https://www.unpac.me/results/17871b80-21a6-4493-bf47-384cfec66a66/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eb7783866d9b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f

Formbook

Executable exe eb7783866d9b334463e873a5053ac1d8cf7deb36a23e5cc52fe3a42566b4ecd8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/476710/
  
Dropped by
SHA256 78287ffb0afb4f7f5bbddf20a8d2ed7cc499622b51de1c5f25f376467dc5d33f
  
Dropped by
MD5 f4450c7d0be7f0f17ffc3063e0a7bd32

Comments