MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad. 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 14 File information Comments
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SHA256 hash: 87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad
SHA3-384 hash: bcade550a1256fd81ea0b32a8d30a96ea023f2dd2e8164d5ed5a6dc3fc44ba0c2aa54cffdfdbef5d3ceea5580f9e2131
SHA1 hash: eb817c0c4202c0a34b30513e9430200d462cdc85
MD5 hash: 1c82f960d18aac73b2b604417f040a07
humanhash: solar-fix-double-fifteen
File name:pAYMENTcOPY.com
Download: download sample
Signature AgentTesla
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File size:370'991 bytes
First seen:2023-11-23 07:24:33 UTC
Last seen:2023-11-23 09:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:QBlL/TlynEHP4vix8uKKV5eE4IJ6hiueFk+y7w7hSsWjh0tv66aBg66ZXr3R0:iJly84duKK+IiFok+y7w7hSrsnaWd73a
TLSH T1B784238134D15CB7C8830272293AD7AEF6B1C815A176B6D73BA0EE369D30EE7D249143
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
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Link:
https://www.capesandbox.com/analysis/459813/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.7.7576.22754.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
installer masquerade overlay packed
Link:
https://www.filescan.io/uploads/655efe51bb9ba3018ba1d270/reports/37a28065-f616-489d-8098-b8d2bedbe5f4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a4c912d-e42f-4526-a08c-3d76c70528e2
Result
Threat name:
AgentTesla, NSISDropper
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1346778
Signature
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
Maps a DLL or memory area into another process
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)
Query firmware table information (likely to detect VMs)
Sample has a suspicious name (potential lure to open the executable)
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)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1346778 Sample: pAYMENTcOPY.com.exe Startdate: 23/11/2023 Architecture: WINDOWS Score: 100 24 smtp.privateemail.com 2->24 26 api4.ipify.org 2->26 28 api.ipify.org 2->28 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 8 pAYMENTcOPY.com.exe 17 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\Local\...\yrrpszk.exe, PE32 8->22 dropped 11 yrrpszk.exe 8->11         started        process6 signatures7 42 Antivirus detection for dropped file 11->42 44 Multi AV Scanner detection for dropped file 11->44 46 Detected unpacking (creates a PE file in dynamic memory) 11->46 48 4 other signatures 11->48 14 yrrpszk.exe 15 2 11->14         started        18 svchost.exe 1 11->18         started        20 yrrpszk.exe 11->20         started        process8 dnsIp9 30 api4.ipify.org 104.237.62.212, 443, 49700 WEBNXUS United States 14->30 32 smtp.privateemail.com 66.29.159.53, 49701, 49702, 587 ADVANTAGECOMUS United States 14->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Tries to steal Mail credentials (via file / registry access) 14->52 54 Tries to harvest and steal browser information (history, passwords, etc) 14->54 56 Query firmware table information (likely to detect VMs) 18->56 signatures10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad/
Threat name:
Win32.Trojan.Wacatac
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Status:
Malicious
First seen:
2023-11-23 03:18:58 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7odtlcl4bi7vi5xdomjrm6nhhvprr4plvmwccw6ex3dymdiq6wq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231123-h8zxlahc7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
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:
4e75badd21ac2373b3d7203980db8e59e7ef1986318dbb98d87aa6af38bee2cf
MD5 hash:
40580e83881ea267a77037fbdc8aa508
SHA1 hash:
7938f68156a0009473ac3311a9b2528a10aaee9c
Detections:
AgentTesla
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win_agent_tesla_g2
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_EXE_Packed_GEN01
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Link:
https://www.unpac.me/results/db39439f-86f0-4dcd-9dfa-22602b3ab8d9/
SH256 hash:
f513561860dafdcfc8696a57533e2a54e4ed35bbe8cacee4b9ccf2d9c26549e3
MD5 hash:
08b6f0c215ac82dc9bf386a0b88569f9
SHA1 hash:
cc2a26b8dfd7fe530a1d52f41a8dd27dbcbf8824
Detections:
win_agent_tesla_g2
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
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Link:
https://www.unpac.me/results/db39439f-86f0-4dcd-9dfa-22602b3ab8d9/
SH256 hash:
87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad
MD5 hash:
1c82f960d18aac73b2b604417f040a07
SHA1 hash:
eb817c0c4202c0a34b30513e9430200d462cdc85
Link:
https://www.unpac.me/results/db39439f-86f0-4dcd-9dfa-22602b3ab8d9/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87dc39ac4be0/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/87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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

File information

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

Malspam

AgentTesla

Executable exe 87dc39ac4be051faa3b71b9898b3cd39eaf8c78f5d59610ade25f63c306887ad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459813/

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