MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643
SHA3-384 hash: 0c185001c0146620000e7bfc88215609cc64f26f3ce74c300b61700cb85c5019f0678a64febbc40b5f1ca5ba531c4a74
SHA1 hash: 1dd458c556bfa316f0590154e0402b542f62c73b
MD5 hash: c1db3415271040c76073bbed3628a747
humanhash: potato-freddie-bluebird-helium
File name:4tuMnSBgXFwIxMP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:805'376 bytes
First seen:2024-11-06 19:30:10 UTC
Last seen:2024-11-06 21:27:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:tO1X2FsbYwci9yxRWbSNvg1ur7UYNt7dkk5IIFge/pkNZeHTI:41mF8YwcicR7N41c7CIFbh+yU
Threatray 3'566 similar samples on MalwareBazaar
TLSH T12905BDC03A363B29DEB857F28929DCB543B51968B405FAE25EDE77C73498B015A48F03
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
395
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
4tuMnSBgXFwIxMP.exe
Verdict:
Malicious activity
Analysis date:
2024-11-06 19:39:11 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/00a1cb69-ab25-4a60-890f-11ec5291cca8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.26275.6924.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672bc3fd49e92a05dde3982d
Tags:
powershell infosteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Connecting to a non-recommended domain
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/672bc401182e63505d61a614/reports/e57e3b1f-f32c-4019-ac94-237c843ed402/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/02b3bf2a-2839-41cf-b15c-a00bbfa639e9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550556
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550556 Sample: 4tuMnSBgXFwIxMP.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 24 mail.apexrnun.com 2->24 26 ip-api.com 2->26 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 8 other signatures 2->38 8 4tuMnSBgXFwIxMP.exe 4 2->8         started        signatures3 process4 file5 22 C:\Users\user\...\4tuMnSBgXFwIxMP.exe.log, ASCII 8->22 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->42 44 Adds a directory exclusion to Windows Defender 8->44 46 2 other signatures 8->46 12 4tuMnSBgXFwIxMP.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 28 mail.apexrnun.com 185.196.9.150, 49744, 587 SIMPLECARRIERCH Switzerland 12->28 30 ip-api.com 208.95.112.1, 49733, 80 TUT-ASUS United States 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 Loading BitLocker PowerShell Module 16->56 18 conhost.exe 16->18         started        20 WmiPrvSE.exe 16->20         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-11-05 15:27:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nacowu6kmsmvd7lgp6e3hxkudcta6662qqhvfsa5pabijszrazbq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
unknown_loader_037
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643
Formbook
904b8e3088d91ab3b5c0929d7bf5b8fe47d11a481e72a9a7084bb6d07b014169
Formbook
a60e8f372f54d47394a2091f56649707f1a0fffadb0afc3600f8ec103ff53d6e
Formbook
afb8e5221438fe28f3012fbb11d085f56e3b033a68a544dd0ac160bef136ed73
Formbook
error
Formbook
f46bd2742e3e04bdef45224ba44ddaad2d53a96e27dbdf042106ade0c91c4810
Formbook
+ 3'556 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/241106-x8cvdsvqhz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/43f3a283-e213-49e4-8f00-675c7f73d52a
Unpacked files
SH256 hash:
3008877c0f72062833ae519470e1caece1414d92b0e4b2b4873ed49d4c460ba6
MD5 hash:
086781bdb64abe9e9d7ae8b91bfa1d9a
SHA1 hash:
4a05581457d2cfe30d16ada9548ea38bc9071862
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f9a77d96-02a6-408b-98ab-9ff28dc5a5f0/
SH256 hash:
2c67cc24eb77cef1b24462a5dbeae4becc88045e00312216f1b0cffabd626034
MD5 hash:
f11d5a461d394871e1158c7466095ffa
SHA1 hash:
3067e2f9e05c8a1f740a3e9a059d4c583046411b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/f9a77d96-02a6-408b-98ab-9ff28dc5a5f0/
Parent samples :
6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643
5de328c7851881e333be2850a1bd9760b94f8a5f300ac745603816da405b14a5
df7bcf222c6ce1cbb9050cfe39bf4af502e89e51b066a961a0aa8e425a268896
1d4ec9427f7548ec009c707abcea1938109b5202fcb59712645ead4eca956a72
f148f64274a9eee3839fe520a305a813369a808c803c047cdcb06f78777c445e
aa7e0932069694a1e9e98868f0128d3de3bcee0de7591f12cfc491fa91fc0dd6
SH256 hash:
96676df2018aab89494edc4216c6b78e22f42597609708bb2ec5a266e8992b2d
MD5 hash:
a31c380784a7c034e086ff7e10066a9a
SHA1 hash:
0bd8378ea4e0478f6a18468d09050beef239562c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f9a77d96-02a6-408b-98ab-9ff28dc5a5f0/
SH256 hash:
6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643
MD5 hash:
c1db3415271040c76073bbed3628a747
SHA1 hash:
1dd458c556bfa316f0590154e0402b542f62c73b
Link:
https://www.unpac.me/results/f9a77d96-02a6-408b-98ab-9ff28dc5a5f0/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6804eb53ca64/report/overview.html
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
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

File information

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

Malspam

Formbook

Executable exe 6804eb53ca649951fd667f89b3dd5418a60f7bda840f52c81d780284cb310643

(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