MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
SHA3-384 hash: e5811e300d6ee792a092a492e0621dc1c16fbd8ea7b9db5feaae3b5a866141c91ad296afecc681119d1a67e896cbea58
SHA1 hash: c3185c6a5e5f07a5befbe4af7131d05634f5d1a3
MD5 hash: 5a12438b3b4c926c12a9376c7bf13426
humanhash: maine-london-fix-oregon
File name:Packing List PDF.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:841'728 bytes
First seen:2024-04-26 12:43:06 UTC
Last seen:2024-04-26 12:44:14 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:tEqnHvjNIrpf9rN/mc/CaBmIwsyaPSIir97G6NLOZCGKEgbjuPBB5uO12rq:txPjKr5BNDWVxcSIiRG6atlB5N
TLSH T11B052379B3F4D657C17256FD08ACA1659BF5210A3960E2C94DE0208FAEF1F40EB22B57
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)
File icon (PE):PE icon
dhash icon 68d0d0d898d8d868 (10 x AgentTesla, 5 x Formbook, 2 x Loki)
Reporter cocaman
Tags:AgentTesla bat exe INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
546
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3.exe
Verdict:
Malicious activity
Analysis date:
2024-04-26 12:43:44 UTC
Tags:
smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/4429e154-909d-441d-bce2-9dfa892e5e7f

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/662ba19451edb67852f961aa/reports/0c4f26b1-9402-42ce-a15e-db8368b50cdb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
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/1c0315e7-1c96-4fd2-b89c-302c014af0b2
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432126
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Found suspicious QR code URL
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
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
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432126 Sample: Packing List PDF.bat.exe Startdate: 26/04/2024 Architecture: WINDOWS Score: 100 66 mail.fascia-arch.com 2->66 68 api.ipify.org 2->68 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 82 13 other signatures 2->82 8 Packing List PDF.bat.exe 7 2->8         started        12 CmxzrHBB.exe 2->12         started        14 BjTxJte.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 58 C:\Users\user\AppData\Roaming\CmxzrHBB.exe, PE32 8->58 dropped 60 C:\Users\user\AppData\Local\...\tmp233A.tmp, XML 8->60 dropped 98 Adds a directory exclusion to Windows Defender 8->98 19 Packing List PDF.bat.exe 16 5 8->19         started        24 powershell.exe 23 8->24         started        34 2 other processes 8->34 100 Antivirus detection for dropped file 12->100 102 Multi AV Scanner detection for dropped file 12->102 104 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->104 26 CmxzrHBB.exe 12->26         started        28 schtasks.exe 12->28         started        106 Machine Learning detection for dropped file 14->106 108 Injects a PE file into a foreign processes 14->108 30 BjTxJte.exe 14->30         started        36 2 other processes 14->36 62 192.168.2.5, 138, 443, 49703 unknown unknown 16->62 64 239.255.255.250 unknown Reserved 16->64 32 BjTxJte.exe 16->32         started        38 2 other processes 16->38 file6 signatures7 process8 dnsIp9 70 mail.fascia-arch.com 50.87.195.61, 587 UNIFIEDLAYER-AS-1US United States 19->70 72 api.ipify.org 172.67.74.152, 443, 49707, 49725 CLOUDFLARENETUS United States 19->72 54 C:\Users\user\AppData\Roaming\...\BjTxJte.exe, PE32 19->54 dropped 56 C:\Users\user\...\BjTxJte.exe:Zone.Identifier, ASCII 19->56 dropped 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->84 86 Tries to steal Mail credentials (via file / registry access) 19->86 88 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->88 90 Loading BitLocker PowerShell Module 24->90 40 conhost.exe 24->40         started        42 WmiPrvSE.exe 24->42         started        44 conhost.exe 28->44         started        92 Tries to harvest and steal ftp login credentials 32->92 94 Tries to harvest and steal browser information (history, passwords, etc) 32->94 96 Installs a global keyboard hook 32->96 46 conhost.exe 34->46         started        48 conhost.exe 34->48         started        50 conhost.exe 36->50         started        74 www.google.com 142.250.217.228, 443, 49708, 49714 GOOGLEUS United States 38->74 52 conhost.exe 38->52         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 05:06:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dj4ueeo6vihmw2v4mea5pqn5meirwtos3ck647wppd57c72mtkzq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240426-pygftscf4x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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 WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/038f245f-b5b4-41ce-8398-4c81149abb09/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
26a36920e7a463398a4251828ec02fd965ad1d782f819b0c04904706efb083be
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/038f245f-b5b4-41ce-8398-4c81149abb09/
SH256 hash:
be90654d1de70313ed1a7f1df854e70836cb15bf68994efa48b29c687010453b
MD5 hash:
fb43d947626f57f4ccbaec3a443b39d5
SHA1 hash:
10f61d35f858692c557fcc4c134cc87dfb843533
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/038f245f-b5b4-41ce-8398-4c81149abb09/
Parent samples :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 hash:
fc42f3cfa98f04d534915b5afd67b4aabe3f2ca3df8473665d8a286adc75852a
MD5 hash:
fd6a24c602e5dce07d9fc9a1e1570d22
SHA1 hash:
0506d55969df4e62ecd941a42ea25d5631edf40d
Link:
https://www.unpac.me/results/038f245f-b5b4-41ce-8398-4c81149abb09/
SH256 hash:
1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
MD5 hash:
5a12438b3b4c926c12a9376c7bf13426
SHA1 hash:
c3185c6a5e5f07a5befbe4af7131d05634f5d1a3
Link:
https://www.unpac.me/results/038f245f-b5b4-41ce-8398-4c81149abb09/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a794211deaa/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/1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
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

rar 2725e2b522f92e0a3a5155ec773c5c40e510f4b98e7f40e44d91584037bf8310

AgentTesla

Executable exe 1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 2725e2b522f92e0a3a5155ec773c5c40e510f4b98e7f40e44d91584037bf8310
  
Dropped by
SHA256 16a15febf0467c21e09bbec34a1ac6c4ef59e9398620005a72c8de22b9d177ca
  
Dropped by
SHA256 3a6f6da5183576d9360afba90ea7055507837c0ce5f32699cec8da807c08d1ab
  
Dropped by
MD5 bf856a1146fde1c0700f849e9c371972
  
Dropped by
MD5 a22771da1b634d78656fabc6788d9fda
  
Dropped by
MD5 4cf9e356a82317c031ff68bd30ccf944

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