MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c7a86fab40be3fa9a95bbeb52f9c790d239646d0ff8504cfa5629f4fd9a1f42. 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: 14


Intelligence 14 IOCs YARA 19 File information Comments

SHA256 hash: 6c7a86fab40be3fa9a95bbeb52f9c790d239646d0ff8504cfa5629f4fd9a1f42
SHA3-384 hash: 707b57f6fa080dd87d5a3c9902c9fd653c1f0dc2d8bdc7ca4f3e072460814d5d119946acebe339f1ac4920c7bf98d0e7
SHA1 hash: c9b23f881ef506918a8b90a6789878e130fc2d55
MD5 hash: 936f0aaff53261396d764a5429c6a05e
humanhash: social-oklahoma-arkansas-football
File name:5041673918XXXXX.BAT
Download: download sample
Signature AgentTesla
File size:338'860 bytes
First seen:2023-12-11 09:12:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:P8LxBs9bI62/EJuzNsHyAOhJsiBQqu7mycVtXBpve5CzmTc/bfq6PfqpctSbT9k7:B1Ip85yAKJsienHqtuCzJTfPSYSbY
Threatray 3'468 similar samples on MalwareBazaar
TLSH T1297413B6E2C0C4FBC1C747B796FFA732FBE6541D4220170F0BE40E1A4962AA6974215B
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 :
1
# of downloads :
275
Origin country :
DE DE
Vendor Threat Intelligence
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
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin masquerade overlay packed redcap shell32
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
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
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
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)
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1358195 Sample: 5041673918XXXXX.BAT.exe Startdate: 11/12/2023 Architecture: WINDOWS Score: 100 36 mail.asiaparadisehotel.com 2->36 38 api4.ipify.org 2->38 40 api.ipify.org 2->40 60 Snort IDS alert for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 4 other signatures 2->66 8 5041673918XXXXX.BAT.exe 17 2->8         started        11 dmirb.exe 2->11         started        14 dmirb.exe 2->14         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\hffhzbqjsu.exe, PE32 8->34 dropped 16 hffhzbqjsu.exe 1 2 8->16         started        68 Antivirus detection for dropped file 11->68 70 Multi AV Scanner detection for dropped file 11->70 72 Detected unpacking (creates a PE file in dynamic memory) 11->72 76 3 other signatures 11->76 20 dmirb.exe 14 2 11->20         started        74 Maps a DLL or memory area into another process 14->74 22 dmirb.exe 2 14->22         started        24 dmirb.exe 14->24         started        signatures6 process7 file8 32 C:\Users\user\AppData\Roaming\...\dmirb.exe, PE32 16->32 dropped 46 Antivirus detection for dropped file 16->46 48 Multi AV Scanner detection for dropped file 16->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->50 58 4 other signatures 16->58 26 hffhzbqjsu.exe 16 3 16->26         started        30 hffhzbqjsu.exe 16->30         started        52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->52 54 Tries to steal Mail credentials (via file / registry access) 22->54 56 Tries to harvest and steal browser information (history, passwords, etc) 22->56 signatures9 process10 dnsIp11 42 mail.asiaparadisehotel.com 112.213.92.100, 49709, 49713, 49719 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 26->42 44 api4.ipify.org 173.231.16.77, 443, 49708, 49711 WEBNXUS United States 26->44 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->78 80 Tries to steal Mail credentials (via file / registry access) 26->80 82 Creates multiple autostart registry keys 26->82 signatures12
Threat name:
Win32.Trojan.Whispergate
Status:
Malicious
First seen:
2023-12-11 08:50:55 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
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
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
d503c3aeb8bbcfc8618570846978a985d0c72cc3634b14e9e8cdc5f5bdde08a4
MD5 hash:
8d61d7357f6d7b19bcbc33dc525d7f4d
SHA1 hash:
ab53ee7da0e69ac31d22f9996846b3ec65f27592
Detections:
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:
4873b6d5fd01068de7e8c1ccafa1edd06039eda71fe82444e6f94cdf9414dbd1
MD5 hash:
7396deaa47d868ea0bc66bfe2952a469
SHA1 hash:
d729c16db9adb30e05507964e44513422f1a48fe
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:
6c7a86fab40be3fa9a95bbeb52f9c790d239646d0ff8504cfa5629f4fd9a1f42
MD5 hash:
936f0aaff53261396d764a5429c6a05e
SHA1 hash:
c9b23f881ef506918a8b90a6789878e130fc2d55
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
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_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
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:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu
Rule name:upx_3
Author:Kevin Falcoz
Description:UPX 3.X

File information


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

Malspam

AgentTesla

Executable exe 6c7a86fab40be3fa9a95bbeb52f9c790d239646d0ff8504cfa5629f4fd9a1f42

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments