MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8
SHA3-384 hash: 8d67b0423232b85cf0ab30ab8fd69f3da77a20128b4984adf678003397f2ad26c3db9866445faed7e8e8a6a90bf1c67b
SHA1 hash: 329baf45cb4fc093c550d04e68f29904fbad7aa9
MD5 hash: 526f315fdde6ae02c829960274435e9b
humanhash: muppet-early-yankee-vermont
File name:x4WR1Me6BUaPR7j.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:713'216 bytes
First seen:2024-04-30 13:31:05 UTC
Last seen:2024-04-30 14:32:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:12iNzeWFm+vPA94BBTImo0of3Sw0FPdO3v/+k6oSqaXZP/BcH0hwh4:11tRFm+vYo0d003SxVOfOr7fwh
Threatray 873 similar samples on MalwareBazaar
TLSH T1E2E412012398AF3AD67B4BF5947045160BF2B9235653F92F1DD220EE6AB3B005B64B93
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
333
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8.exe
Verdict:
Malicious activity
Analysis date:
2024-04-30 13:34:40 UTC
Tags:
evasion ftp stealer agenttesla exfiltration
Link:
https://app.any.run/tasks/bdbb7db0-4843-4aef-b7c3-e75bf91a9707

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6630f2e03137a4e0f3c3d0dc/reports/a00a1644-9f72-407b-aa87-1e39d7db6701/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/62200811-1d2b-456a-b878-0691ec99aa07
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1434129
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8/
Threat name:
Win32.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-04-30 05:59:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pngraljwy675air4dteesji3roq3t2hlzbo7tc522yrt5ivnllea._file
Verdict:
malicious
Similar samples:
0b15f6400cc6e0ad45fcd44b881a17eee8e8e93624fcbce8bccc2b098dd74761
Formbook
4cd5b4df1553b7f217b71b2943d7aa28936c44ccecceda8229731ab52a662357
Formbook
6a73ce1fbde07e660aa6713b7e1c20cc34aa6f576d82f2189da9661abaa5211f
Formbook
6edb919ae98a2e2efa4af69125a5245793ccb79a8a74e12bc6d51d8c87ac76b1
Formbook
976dc01048d8496d4697d2cc382fc651222354f25c3a8422a109a883b3c00b70
Formbook
+ 863 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240430-qsynlaga9w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
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
AgentTesla
Unpacked files
SH256 hash:
624654933422ebe8a9e333ad8b1195c214969779888d629aae9a9e48d42f3436
MD5 hash:
55702ec13bc3aa0592eedbe0c7aa2f8e
SHA1 hash:
a681dfca979d9e9b539fdd0bee8a69546bf0b03f
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/f4b07c6a-d72a-48f0-b4c7-83b6e88d3a8d/
Parent samples :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 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/f4b07c6a-d72a-48f0-b4c7-83b6e88d3a8d/
SH256 hash:
2008417adff84fd669926df8bce34d8d1012bd21ebad9b45f056e29f377f5840
MD5 hash:
d58f64867179e6c8ffde6f9819bfec50
SHA1 hash:
3631532fc21a6c9ef87c4d3ff37de07774d684d3
Link:
https://www.unpac.me/results/f4b07c6a-d72a-48f0-b4c7-83b6e88d3a8d/
SH256 hash:
7d592a5fc2662373b0200e5590cb1eeb8f00a1061af1657e476113d2134cd2a6
MD5 hash:
bc900e3fc47830420d713c1e33cbed15
SHA1 hash:
1e0241627fc669541a25d2dba5a48b43ec1718fe
Link:
https://www.unpac.me/results/f4b07c6a-d72a-48f0-b4c7-83b6e88d3a8d/
SH256 hash:
7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8
MD5 hash:
526f315fdde6ae02c829960274435e9b
SHA1 hash:
329baf45cb4fc093c550d04e68f29904fbad7aa9
Link:
https://www.unpac.me/results/f4b07c6a-d72a-48f0-b4c7-83b6e88d3a8d/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b4d102d36c7/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/7b4d102d36c7bfd0223c1cc849251b8ba1b9e8ebc85df98bbad6233ea2ad5ac8

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

  
Delivery method
Other

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

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