MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
SHA3-384 hash: e53374dfcac313e47871fbc860d3a24c2efae1b328dfcf16051a8efc26bb095f61bf83b5f329c88529a02a79952d7d3f
SHA1 hash: 1636e18e9b1307ddd733a114e732b755f7b324cb
MD5 hash: 6c48969a6649ad4204b63171be98a93b
humanhash: juliet-uniform-salami-idaho
File name:zbe - dekont 2024 - 02-16F114Ft.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'061'161 bytes
First seen:2024-02-16 12:24:43 UTC
Last seen:2024-02-16 14:27:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:pRmJkcoQricOIQxiZY1iaMav1UD6ozfEHgeM0:mJZoQrbTFZY1iaM41UuogDM0
TLSH T18035BF5FE68380BDC9E22E70DD7AB3D9962965E60222C1972BCD1921DDD00F13B3572B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 9aa4a4a48eb2b8c6 (9 x Formbook, 5 x AgentTesla, 2 x MailPassView)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/476479/
Detection(s):
SecuriteInfo.com.FileRepMalware.2400.23563.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65cf542722703c34919ea248/reports/f5c3dc47-045c-426c-8258-0972dc7f5e6d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
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/3849a7e4-008b-40a5-9cf6-12c3e4b3fcd8
Result
Threat name:
AgentTesla, PureLog Stealer, RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1393445
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-16 12:25:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gfje6okdjqzeiz26m7p6j2a2oarj5bwvvqe36ssckebodmrqaykq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger rat spyware stealer trojan
Link:
https://tria.ge/reports/240216-pl731sbc66/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
a99549e61a460a151af610f3752c93f254cdc91243631ab47854a8b104126fc9
MD5 hash:
b098fcc0a0fecd1d186f1b9c1c50769d
SHA1 hash:
0979d51c13903352a7b7cc3a089765d7a17d1eea
Detections:
AgentTesla
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/960ad358-a21a-49b9-917d-5f1d9406ef86/
Parent samples :
31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
b438c48349afb297e0c764536cfdf24b499165cbdf7104e96c53dbd3a920e65b
SH256 hash:
3f6938ffb9d8106251b948f866bd01f96fe5c393891190f064fd74d6188c584c
MD5 hash:
4c469fda6a20492263e6a4217b77355d
SHA1 hash:
049aeb50c877e845b92238cb05941b93e584e78f
Detections:
AgentTesla
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
RedLine_Campaign_June2021
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/960ad358-a21a-49b9-917d-5f1d9406ef86/
Parent samples :
31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
b438c48349afb297e0c764536cfdf24b499165cbdf7104e96c53dbd3a920e65b
SH256 hash:
fbcaf49799f733148f96baf18c3e9464ce42c8deaf163d4a25f6f20d09da0708
MD5 hash:
054b54a2113505ce38fe8bb32846c0e7
SHA1 hash:
16940b455e73f371e8bee434523c42ce759f3111
Detections:
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MALWARE_Win_RedLine
Create hunting rule
Link:
https://www.unpac.me/results/960ad358-a21a-49b9-917d-5f1d9406ef86/
Parent samples :
31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
b438c48349afb297e0c764536cfdf24b499165cbdf7104e96c53dbd3a920e65b
SH256 hash:
31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615
MD5 hash:
6c48969a6649ad4204b63171be98a93b
SHA1 hash:
1636e18e9b1307ddd733a114e732b755f7b324cb
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/960ad358-a21a-49b9-917d-5f1d9406ef86/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/31524f39434c/report/overview.html
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/31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615

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:AutoIt
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_RedLine
Create hunting rule
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu

File information

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

Malspam

Formbook

Executable exe 31524f39434c3244675e67dfe4e81a70229e86d5ac09bf4a425102e1b2300615

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476479/

Comments