MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 037236f06b1997a9f1db5b809d53fc8729cbb2704c27b1cf39c68538ab85f3f2. 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 18 File information Comments

SHA256 hash: 037236f06b1997a9f1db5b809d53fc8729cbb2704c27b1cf39c68538ab85f3f2
SHA3-384 hash: e6f5ca6de21a10602612cc6eaa667743c897bc8f721bcdb00ef0ccc5362018c368d655b06f50ff5b9bd0af9acfe296df
SHA1 hash: 5f8429c3982bcc0243d8959df58ba7433e8f25f4
MD5 hash: 80dd7b490cebb950f1375322bc8b1f73
humanhash: xray-fillet-double-july
File name:Payment Advice-BCS_ECS9522024012916420050_38_952.pdf.eml.exe
Download: download sample
Signature AgentTesla
File size:708'096 bytes
First seen:2024-01-31 10:54:22 UTC
Last seen:2024-01-31 11:33:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:rT8j8qshDyclM4YFeNTnb8zXfFCG1LRA4LHnBs/vVBcBFTcnXb:38bshmdPpzXfAULRA4T63+
Threatray 5'159 similar samples on MalwareBazaar
TLSH T12CE41212B7E98F64E57F4BF90660404003B6BA4B7471E61DDDD630DA7572B008BA3B6B
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
301
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
037236f06b1997a9f1db5b809d53fc8729cbb2704c27b1cf39c68538ab85f3f2.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-31 11:11:08 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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
Adds a directory exclusion to Windows Defender
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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 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 Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1383959 Sample: Payment_Advice-BCS_ECS95220... Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 61 mail.indusun.org 2->61 63 ip-api.com 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 12 other signatures 2->75 8 Payment_Advice-BCS_ECS9522024012916420050_38_952.pdf.eml.exe 7 2->8         started        12 mAoBkzhRkqPh.exe 5 2->12         started        14 ZUHFqcY.exe 2->14         started        16 ZUHFqcY.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\mAoBkzhRkqPh.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp347B.tmp, XML 8->59 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 95 2 other signatures 8->95 18 Payment_Advice-BCS_ECS9522024012916420050_38_952.pdf.eml.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        35 3 other processes 8->35 89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 25 mAoBkzhRkqPh.exe 12->25         started        27 schtasks.exe 12->27         started        29 ZUHFqcY.exe 14->29         started        37 2 other processes 14->37 31 ZUHFqcY.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 65 mail.indusun.org 203.124.44.180, 49736, 49737, 49742 COMSATSCommissiononScienceandTechnologyforPK Pakistan 18->65 67 ip-api.com 208.95.112.1, 49732, 49735, 49739 TUT-ASUS United States 18->67 53 C:\Users\user\AppData\Roaming\...\ZUHFqcY.exe, PE32 18->53 dropped 55 C:\Users\user\...\ZUHFqcY.exe:Zone.Identifier, ASCII 18->55 dropped 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 27->43         started        81 Tries to harvest and steal browser information (history, passwords, etc) 31->81 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-01-31 07:50:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
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
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
3e76906440212c409ac119725eac2841d0e01206ca9cebdaddb9590a65f382e8
MD5 hash:
5de755fa40fa068a4f7e18a6ee569066
SHA1 hash:
e6a66a76af524d362a0df2aa666369ee9d7a79dd
SH256 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
SH256 hash:
a7097659d0b8886c761709d7309bf378a7fbc7a325e2d1f4e7a1113698344f4f
MD5 hash:
d5c69b521525fc9e0ad51e65154c63aa
SHA1 hash:
9f9b885250ce857678b0941217f213d9f103f7e0
SH256 hash:
6b7e6d845a9e7bf5951af9efccd18487c7177cb3bf50709e03bcc4095a84ca1c
MD5 hash:
d642749d76230936bace1adf8d5de3dd
SHA1 hash:
7200d4922f83e394b08a87113b155f836309af99
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_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
SH256 hash:
037236f06b1997a9f1db5b809d53fc8729cbb2704c27b1cf39c68538ab85f3f2
MD5 hash:
80dd7b490cebb950f1375322bc8b1f73
SHA1 hash:
5f8429c3982bcc0243d8959df58ba7433e8f25f4
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Malspam

AgentTesla

Executable exe 037236f06b1997a9f1db5b809d53fc8729cbb2704c27b1cf39c68538ab85f3f2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments