MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8. 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


AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8
SHA3-384 hash: 4f5dbcc43520ce6e01e5437ffbd67a20bfec74ebd9f717710038c813f6e62fe0956f394401823166494c038c7d2be3c8
SHA1 hash: c539ae8ab18d240b7b761baa2840076b191a7e4e
MD5 hash: 96ac4013d30d6dea4a0eb3ea2b4a3e22
humanhash: april-foxtrot-cola-alpha
File name:dekont_06.03.2024 MaximumİşyerimİşlemÖzetiniz.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:727'552 bytes
First seen:2024-03-07 17:57:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:QBtsy/j21yyxK+TgFA2huBs3oV6npo8wOZK0oBGrjAF0etpkjysdOD:Zy/j2cyY+Y0i3odJCyBfj/kjylD
Threatray 5'090 similar samples on MalwareBazaar
TLSH T1CEF4F14177F91B65E2BE8BFA507411040BF2686ABAA6F70C4EC570CA3D35F414EA5B23
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0311654d1d111923 (1 x RemcosRAT, 1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
359
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8.exe
Verdict:
Malicious activity
Analysis date:
2024-03-07 18:50:02 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/d2c493e5-253e-47e1-b8d7-3fcf77893984

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Win.Packed.Pwsx-10022621-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8
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/4e10d42c-3f29-4939-9f4e-5b077cd386d6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1404999
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, 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: 1404999 Sample: dekont_06.03.2024 Maximum#U... Startdate: 07/03/2024 Architecture: WINDOWS Score: 100 36 mail.adgumrukmusavirligi.com 2->36 38 adgumrukmusavirligi.com 2->38 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 11 other signatures 2->56 8 dekont_06.03.2024 Maximum#U0130#U015fyerim#U0130#U015flem#U00d6zetiniz.exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2 2->13         started        signatures3 process4 signatures5 58 Adds a directory exclusion to Windows Defender 8->58 60 Injects a PE file into a foreign processes 8->60 15 dekont_06.03.2024 Maximum#U0130#U015fyerim#U0130#U015flem#U00d6zetiniz.exe 1 5 8->15         started        20 powershell.exe 23 8->20         started        22 dekont_06.03.2024 Maximum#U0130#U015fyerim#U0130#U015flem#U00d6zetiniz.exe 8->22         started        62 Multi AV Scanner detection for dropped file 11->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->64 66 Machine Learning detection for dropped file 11->66 24 ctsdvwT.exe 2 11->24         started        26 ctsdvwT.exe 11->26         started        28 ctsdvwT.exe 13->28         started        process6 dnsIp7 40 adgumrukmusavirligi.com 94.199.206.42, 49715, 587 AEROTEK-ASTR Turkey 15->40 32 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->32 dropped 34 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->34 dropped 42 Tries to steal Mail credentials (via file / registry access) 15->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 46 Installs a global keyboard hook 15->46 30 conhost.exe 20->30         started        48 Tries to harvest and steal browser information (history, passwords, etc) 28->48 file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8/
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-03-06 11:50:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6fsm4fvgossdyo35ayia4yatmoe2uacqebiraov53chxihffroua._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
10d6198467fcc04e45b7afffd30ff0931dea09be00cf22983987789b2f0df3ad
AgentTesla
5a88ba99a9a102c08cbc44679f5bf078a79134bb99d0ca92fae9a8930500211b
AgentTesla
63dc6a0b3e1c7c4ac5f8ebc5e7b1c7bce6796b615e2ceba9402629224a965ec8
AgentTesla
6e4abc6a114b9b50936426d9eba916fe2a4fa59e9e226ce1c369ffb092d8087d
AgentTesla
9749e1e9a73aa3bad510d2bde35e011e00283aa46443ad86ade820b560ade944
AgentTesla
+ 5'080 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240307-wj6whahe62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
cef1af19c3c2780c1037e570a113de617fa04db5bff718a038fc32711ea8b3ac
MD5 hash:
f237483f74a230a8687b364b08379daf
SHA1 hash:
ff9795524c73a8820c508a414a7c5c4e4b548596
Link:
https://www.unpac.me/results/c0eb1092-f596-4aba-83ed-2f8e8851acd0/
SH256 hash:
16093ff49c15d89429d5c043b470957ec9952629e61958b94f1cfec6af965799
MD5 hash:
963cf7f5b98f975f402e0e6e84b91da4
SHA1 hash:
d1f23a76ff126ff695787187fbd554be4a168d1f
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_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/c0eb1092-f596-4aba-83ed-2f8e8851acd0/
Parent samples :
63dc6a0b3e1c7c4ac5f8ebc5e7b1c7bce6796b615e2ceba9402629224a965ec8
1ab95c10be8f319893fa338dce8bd5e7569f223e909dafa43b94f56457171602
f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8
4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83
fff7aca00f542ef15489143dfde3d042bdcffb8cedf2ad50a684da31dc181f93
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/c0eb1092-f596-4aba-83ed-2f8e8851acd0/
SH256 hash:
f8f036614e94fd47e3b0ff7d135d9505962013ba33f717b620e19bd78166c07a
MD5 hash:
75398726191c50eb63119b205469bbbb
SHA1 hash:
bc423fca6f50f9dfa2c678334c9a68e380f19aee
Link:
https://www.unpac.me/results/c0eb1092-f596-4aba-83ed-2f8e8851acd0/
SH256 hash:
f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8
MD5 hash:
96ac4013d30d6dea4a0eb3ea2b4a3e22
SHA1 hash:
c539ae8ab18d240b7b761baa2840076b191a7e4e
Link:
https://www.unpac.me/results/c0eb1092-f596-4aba-83ed-2f8e8851acd0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f164ce16a674/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/f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8

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: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_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:NETexecutableMicrosoft
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_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

Executable exe f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8

(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