MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e. 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: 8


Intelligence 8 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e
SHA3-384 hash: 4b1859a285f3ae6f5122e331e1b69766e1728b0788b22b801a4248dcbdd8ba00306e29ea1cf9fe69e1186978838f308c
SHA1 hash: 1594343a011ca6a061c40bce3be8444c34d8563d
MD5 hash: 7c66434cadc9594f0d799ba51e35169e
humanhash: stairway-glucose-arkansas-edward
File name:Payment Advice.raj
Download: download sample
Signature Formbook
Create hunting rule
File size:620'572 bytes
First seen:2024-01-27 06:33:24 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:HJVlCB/fGv9eiB9BHwVGyjxUdhxxDDdOp5mjVBFqX7qDc0W2mUn:pVlsziB9QG0IzxDZOpWVuX7qDc03mw
TLSH T17BD423CA07AC427F48244DCB18C44C3D07FE5F8B11996B69ED40EA6850CAF7562B9B6B
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook payment raj rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Amaya woods <noreply@mail.com>" (likely spoofed)
Received: "from 72.11.142.157.static.quadranet.com (unknown [72.11.142.157]) "
Date: "26 Jan 2024 12:04:15 -0800"
Subject: "Payment Advice Note from 26.01.2024"
Attachment: "Payment Advice.raj"

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Payment Advice.exe
File size:645'632 bytes
SHA256 hash: b557e372c22db30990fad3e3226c4ab649d96b40170cb8890ba401d6ec0f3cc6
MD5 hash: 4cc0699cfa272fb4881897088904a707
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65b4a3d9096abd9a0271f2c3/reports/cde0f89a-07a7-43c0-a269-54068005495e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-01-26 14:37:19 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2lfpidujb3sffhyrf275tpunuhzo6ukpl73avkm43opc74mh6rha._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240127-hzc2gafec4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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/d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

Formbook

rar d2caf40e890ee4529f112ebfd9be8da1f2ef514f5ff60aa99cdb9e2ff187f44e

(this sample)

Formbook

Executable exe b557e372c22db30990fad3e3226c4ab649d96b40170cb8890ba401d6ec0f3cc6

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b557e372c22db30990fad3e3226c4ab649d96b40170cb8890ba401d6ec0f3cc6
  
Dropping
Formbook

Comments