MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df8e553c6b2d78a240c76c5efbc15beba8be24362f53d9bdfc0c42c74934d293. 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: 18


Intelligence 18 IOCs YARA 19 File information Comments

SHA256 hash: df8e553c6b2d78a240c76c5efbc15beba8be24362f53d9bdfc0c42c74934d293
SHA3-384 hash: 6c24f37771ac9fb6d124cf3e4e4569163631a3f45adcb0030c3ba13779af3729a1062a8822167bd5085501321a941f67
SHA1 hash: 32bab09e80087dcc4bd302484387799ad3470297
MD5 hash: 248848768f3bdd47f6fcd6a25cd6ace4
humanhash: one-enemy-burger-floor
File name:URGENT REQUEST FOR QUOTATION.exe
Download: download sample
Signature AgentTesla
File size:854'536 bytes
First seen:2024-03-01 18:06:56 UTC
Last seen:2024-03-02 08:26:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:tIWg5y9z3EID9zgDURr+BJuvBNomMbEwo+:tIWg5y53D6yr+BJIomMbs+
TLSH T1FD05F1907ABB6F41C1BC63F1C553186427B2691F6124D35B0FE650EA3EB6BC88980F97
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:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
344
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
df8e553c6b2d78a240c76c5efbc15beba8be24362f53d9bdfc0c42c74934d293.exe
Verdict:
Malicious activity
Analysis date:
2024-03-01 18:09:47 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
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.
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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)
Initial sample is a PE file and has a suspicious name
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1401629 Sample: URGENT REQUEST FOR QUOTATION.exe Startdate: 01/03/2024 Architecture: WINDOWS Score: 100 53 mail.mcltransindo.com 2->53 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 14 other signatures 2->63 8 URGENT REQUEST FOR QUOTATION.exe 7 2->8         started        12 YpWbjAxlQZAw.exe 5 2->12         started        14 boqXv.exe 2->14         started        16 boqXv.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\YpWbjAxlQZAw.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmpD0F7.tmp, XML 8->51 dropped 75 Adds a directory exclusion to Windows Defender 8->75 18 RegSvcs.exe 1 4 8->18         started        23 RegSvcs.exe 8->23         started        25 powershell.exe 23 8->25         started        35 2 other processes 8->35 77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 27 RegSvcs.exe 12->27         started        29 schtasks.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 55 mail.mcltransindo.com 103.204.130.176, 49734, 49737, 587 TOMATOWEB-BDTomatoWebPvtLimitedBD Bangladesh 18->55 47 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 18->47 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->67 37 WmiPrvSE.exe 25->37         started        39 conhost.exe 25->39         started        69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->69 71 Tries to steal Mail credentials (via file / registry access) 27->71 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 41 conhost.exe 29->41         started        43 conhost.exe 35->43         started        45 conhost.exe 35->45         started        file9 signatures10 process11
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-03-01 08:14:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
df8703411121bb8f0ee3c3fabcaf645f595d2e95203a066ce10b4ff6110da466
MD5 hash:
6ad1d124b7ee2249366abb221f8da454
SHA1 hash:
868864fbc55fb9123b141286c5bb1c28f0788e9c
SH256 hash:
ae98adc3fb55cdfe68a56eac0c0e95fc8ee3f70138206cabd2c11031dae0f206
MD5 hash:
fe4eb208a1f12bdf7d6461df93a56773
SHA1 hash:
f0c9866455e5441e1b710040af988e0bc52b2647
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
2b786f191c682f38d2b221cd005f4db6f6a931e59b4044e8ce671b6175ab85b9
MD5 hash:
3aea00debb956c984818331d964ebe51
SHA1 hash:
85f420f46659b5dc25a2a72b76bb9f158f18c627
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
0190398cd1ee7458b2ad4de5bae10989d4f63420c848cc3c80a3c69296dc383f
MD5 hash:
970503effbe2981f2044430e63d4fb4e
SHA1 hash:
5a4c26491580bd7f79c8a4805ef36e9ecf3f1556
SH256 hash:
df8e553c6b2d78a240c76c5efbc15beba8be24362f53d9bdfc0c42c74934d293
MD5 hash:
248848768f3bdd47f6fcd6a25cd6ace4
SHA1 hash:
32bab09e80087dcc4bd302484387799ad3470297
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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 df8e553c6b2d78a240c76c5efbc15beba8be24362f53d9bdfc0c42c74934d293

(this sample)

  
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

Comments