MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41b09d1202db4dfb8db58a5cd9f68953db7d7547fab1c76234b3dd95cfac318e. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 41b09d1202db4dfb8db58a5cd9f68953db7d7547fab1c76234b3dd95cfac318e
SHA3-384 hash: 0b682e17d6c62762a91697d01d162326059cfd5b1ea59dd1ea179e0bd91a541aa1538fadcc62da773626cb4509793d66
SHA1 hash: 5fba539b0b34251e9d191d32143fe515ccd550a4
MD5 hash: 4fb44ce11bbcdcfdb02f0a54f01ce4d6
humanhash: bakerloo-bulldog-lion-beer
File name:UPS_CBJ190510700131.exe
Download: download sample
Signature Formbook
File size:633'344 bytes
First seen:2023-08-24 09:46:53 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 12288:3bqwi/iWsjsikxh/fY5L9n+hfva4v0gKq05v69fTNPZku:LqwiiWriQgHUn41+TH
Threatray 1'485 similar samples on MalwareBazaar
TLSH T16BD4237C767C5B28D43AA7F70C69109A03F7777A06A2F3981C51E4FB64A9B018760E23
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)
Reporter abuse_ch
Tags:exe FormBook UPS

Intelligence


File Origin
# of uploads :
1
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UPS_CBJ190510700131.exe
Verdict:
Suspicious activity
Analysis date:
2023-08-24 10:06:39 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo 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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1296549 Sample: UPS_CBJ190510700131.exe Startdate: 24/08/2023 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 5 other signatures 2->39 9 UPS_CBJ190510700131.exe 3 2->9         started        process3 signatures4 51 Injects a PE file into a foreign processes 9->51 12 UPS_CBJ190510700131.exe 9->12         started        process5 signatures6 53 Maps a DLL or memory area into another process 12->53 55 Queues an APC in another process (thread injection) 12->55 15 daYoGTXLFCNKXbBACTcIPdQqmQWnN.exe 12->15 injected process7 signatures8 57 Sample uses process hollowing technique 15->57 18 msdt.exe 13 15->18         started        process9 signatures10 41 Tries to steal Mail credentials (via file / registry access) 18->41 43 Tries to harvest and steal browser information (history, passwords, etc) 18->43 45 Modifies the context of a thread in another process (thread injection) 18->45 47 Maps a DLL or memory area into another process 18->47 21 explorer.exe 1 18->21 injected 25 daYoGTXLFCNKXbBACTcIPdQqmQWnN.exe 18->25 injected process11 dnsIp12 27 www.itrystartoksocialone.com 188.114.97.7, 49773, 49774, 49775 CLOUDFLARENETUS European Union 21->27 29 dicofaria.online 162.240.81.18, 49772, 80 UNIFIEDLAYER-AS-1US United States 21->29 31 3 other IPs or domains 21->31 49 System process connects to network (likely due to code injection or exploit) 21->49 signatures13
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-24 01:22:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
70f1f71c4ef3234d5a68ec1c7b4455f07031fa44980021d42576798f8008d718
MD5 hash:
d8268f5fb982dc3e522ea4e800edfe56
SHA1 hash:
aa8d82f98d2f3a7df63e7f632a39dffcbefa10a2
SH256 hash:
b9e3044cdfcd2359f2700b77a925e3fe483d20465355aed3c38bd836eacfb680
MD5 hash:
506b006ffb9ac97412e32d7edc84f992
SHA1 hash:
cc694709bc50f6f1ec1abfc5bb10f93eb18bf8a0
SH256 hash:
e8d399db8c9330cff7ee73eb6a76c93e19cbf190d414773227f5a70a3f8e6613
MD5 hash:
dcd5e01fc044305a42b499363a987837
SHA1 hash:
99492aacf744f389be816b8104c0b76a30e57f41
SH256 hash:
8041186178e649fd2add458845a08e32957c4118551e5e19e28f1e9b5452c1b0
MD5 hash:
ae544791587b8872c5a3e00511da5ac2
SHA1 hash:
6cbe81cfddafb6e3d272244af964886eb4484684
SH256 hash:
e0eeb25bf8f97e61f5e78c40c22f48f80f54a1514755ce29cb99e6c86853a7f2
MD5 hash:
ce57bf1b408df03278e43dfcd0737385
SHA1 hash:
57f6462108726ed17af7faa3e51c6483b157a1b7
SH256 hash:
41b09d1202db4dfb8db58a5cd9f68953db7d7547fab1c76234b3dd95cfac318e
MD5 hash:
4fb44ce11bbcdcfdb02f0a54f01ce4d6
SHA1 hash:
5fba539b0b34251e9d191d32143fe515ccd550a4
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 41b09d1202db4dfb8db58a5cd9f68953db7d7547fab1c76234b3dd95cfac318e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments