MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8059b091c68e00ab352c556470e048a620e05cf3dd09d9abea91046483c237d0. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash: 8059b091c68e00ab352c556470e048a620e05cf3dd09d9abea91046483c237d0
SHA3-384 hash: 44d289ad5bfee125e22f73f9faf4b45a1a2759cec6d934ec47d7a565f7856ef31540e34dd5f5d270b3e6f1c74470d068
SHA1 hash: 8f397c2cdd2ed905ee0a111574f8320dfa0376cf
MD5 hash: 06c2087d0f06b345248af1cef028326b
humanhash: bulldog-green-sixteen-rugby
File name:DHL INVOICE.scr
Download: download sample
Signature AgentTesla
File size:668'168 bytes
First seen:2024-04-23 06:03:30 UTC
Last seen:2024-04-23 06:31:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:KAIpFQBWAsDE1UGt7TvSfNmKHXmSs847xEGFc9T5bRFlLM7075OkR:QMMPDE1UcuN126ExHc3brVcyV
Threatray 1'003 similar samples on MalwareBazaar
TLSH T150E423D8673D7D00C98E5B3197E3B400AF3A66C7DA76DAC838E898D4BDC1F41466254B
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:AgentTesla DHL exe scr

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
8059b091c68e00ab352c556470e048a620e05cf3dd09d9abea91046483c237d0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-23 06:33:08 UTC
Tags:
stealer agenttesla exfiltration

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
Stealing user critical data
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:
masquerade 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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430146 Sample: DHL INVOICE.scr.exe Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 38 mail.kirpaagro.com 2->38 40 kirpaagro.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 12 other signatures 2->50 8 DHL INVOICE.scr.exe 7 2->8         started        12 xsCalSoKdwdnR.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\xsCalSoKdwdnR.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp87DF.tmp, XML 8->36 dropped 52 Writes to foreign memory regions 8->52 54 Allocates memory in foreign processes 8->54 56 Adds a directory exclusion to Windows Defender 8->56 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 kirpaagro.com 192.185.171.184, 49718, 49721, 587 UNIFIEDLAYER-AS-1US United States 14->42 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->64 66 Loading BitLocker PowerShell Module 18->66 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal ftp login credentials 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-04-22 13:36:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
2b9e44400db27145139e9d08c01003bdd3459c1c4e05c2d3ef73f360ff1ed6ef
MD5 hash:
8b77cc411ce779374d926a030068ff9d
SHA1 hash:
f41dd4d581cda0fce30ece98521baff768dd6150
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:
4f64a418a54cf0dd4736074f3bdecefcd5ccd23f155824ef55739d358894bf6f
MD5 hash:
c5bc067f1e28228fa13228c9e4878221
SHA1 hash:
7d2ad3ff99667589086976640fb963f862ccf614
SH256 hash:
65c8264068733cd07d3bd64eb76095ce39d814a99a998d53ce22807d67c6bb43
MD5 hash:
6d07b486cf6b20af8b688902576c8604
SHA1 hash:
677f2f9da455f3a374ff6615d96a235596306468
SH256 hash:
23eb19a7b14d6a4967601bb0d9903f5d046c1e8f77d9ea0c5cda37777b0c0ae0
MD5 hash:
4a6fd78a5fa0d7f24443b95b4ac18279
SHA1 hash:
2a4309cdccbf58392018ae888ebfc3cf19f39d00
SH256 hash:
8059b091c68e00ab352c556470e048a620e05cf3dd09d9abea91046483c237d0
MD5 hash:
06c2087d0f06b345248af1cef028326b
SHA1 hash:
8f397c2cdd2ed905ee0a111574f8320dfa0376cf
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:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 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: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.

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