MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b2e166e69584f44f60b0d8a73335912f90e689ecaa2061afbd637709fba4393. 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 15 File information Comments

SHA256 hash: 9b2e166e69584f44f60b0d8a73335912f90e689ecaa2061afbd637709fba4393
SHA3-384 hash: df006af6b91e49948ccbcf1a0816ecc35ebab61a5551e8e76d0032731b6339743065ac311327ed64f8dbb1791220d6e2
SHA1 hash: e80ea41015ce8253262a1071f7fa4804d58743b5
MD5 hash: ef31bc60bdbc2ad56005acb7e9f44d55
humanhash: winter-kilo-lake-november
File name:z43CurriculumVitaeCatalinaMunoz.exe
Download: download sample
Signature Formbook
File size:888'832 bytes
First seen:2024-05-21 14:30:38 UTC
Last seen:2024-05-21 17:03:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:Dux504bFtx504bFWxKVdnwr4O1BcjAgRpEk6ZKQlaAXbQPKJUldOHIz37c:qw4bjw4bL3nwr4eBcjlEkgKQRGQE7
TLSH T17C151250B3F95B11E5BA97F6043541900FFAB4ABE026E25C4EC630EA6971F508F62F1B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 187860d9d9647818 (11 x AgentTesla, 5 x Formbook, 1 x Loki)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
363
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9b2e166e69584f44f60b0d8a73335912f90e689ecaa2061afbd637709fba4393.exe
Verdict:
Suspicious activity
Analysis date:
2024-05-21 14:31:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious 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
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-05-21 11:07:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8e1e81a2517df82e4f890e7f06af93645f610015f1b0043f205882449eee1b96
MD5 hash:
dcf6f858e1fd755e7227e3dcdd1c81c6
SHA1 hash:
2efa0a938ddf19aae6f33de5dc99140eedfa801b
SH256 hash:
6215c4f3fc7666f2a5757e6779864a884d7d698bb02594e4c8456f84daf6bb5e
MD5 hash:
cfe7e26312cf4ce9c4c628a290b6a55a
SHA1 hash:
71216d923775f21b2ee26913d1098fc035eb0b77
SH256 hash:
0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303
MD5 hash:
0441cc0dacc6d821252e66a156b1d9bd
SHA1 hash:
df46cc702950a53a5de7b804d2076ef03f8ac6b4
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
ab0d8ca10bc1890ce8b3aedcb029a10445aa6e5aad0dadd6e082cb588694db25
MD5 hash:
ce6777422f9fd8d36b2e5809e7a26c84
SHA1 hash:
b1232e012901ad1f2d30b0af5f117bbf774b1413
SH256 hash:
9b2e166e69584f44f60b0d8a73335912f90e689ecaa2061afbd637709fba4393
MD5 hash:
ef31bc60bdbc2ad56005acb7e9f44d55
SHA1 hash:
e80ea41015ce8253262a1071f7fa4804d58743b5
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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 9b2e166e69584f44f60b0d8a73335912f90e689ecaa2061afbd637709fba4393

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments