MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d8fe8e4b99da6d816d7335bd1ace36db4706fda0e1e46dceb5657ca1a57d81c. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d8fe8e4b99da6d816d7335bd1ace36db4706fda0e1e46dceb5657ca1a57d81c
SHA3-384 hash: c1a458e1fe5dfbcdc2c37ba7071db1c3ec07a3f919170838d9a2510c791a86ef26c18a11fa4c10fb0034ee32f5a79036
SHA1 hash: 9b342032b4d956692c6a1710eeb5b2adf2ed65bc
MD5 hash: c912902d28e4ffbaee58a39ca71c869f
humanhash: purple-harry-xray-oven
File name:c912902d28e4ffbaee58a39ca71c869f.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:533'504 bytes
First seen:2022-04-08 09:42:47 UTC
Last seen:2022-04-08 10:23:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:m5TE0ZQJOmQWvzzCZ1a6OOrOMX8lB+j4nZriHPK9x:sTEhvzqa5a++kn5iHPK9
Threatray 15'752 similar samples on MalwareBazaar
TLSH T177B4011CFB25ADE5E92A03F938729C237F51D503A4BD8AAD29C5665B1C1530380AFDCB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SWIFT Transfer (MT103) 160FT0624.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-08 09:11:24 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/b80c1482-e269-4eea-837a-2ff53da1529e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/262044/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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 from a recently created file
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/625003a9d53a7479dad9d49f/reports/0dbddabf-d0c0-43b8-83b4-8dfac1c23fac/overview
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/05b3221e-c425-4fba-a4f4-6be20fe6b7e3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/973190
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 605677 Sample: cx05ioM5CG.exe Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 10 other signatures 2->39 7 cx05ioM5CG.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\HVlbBa.exe, PE32 7->23 dropped 25 C:\Users\user\...\HVlbBa.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\Temp\tmpD4B.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\...\cx05ioM5CG.exe.log, ASCII 7->29 dropped 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 Adds a directory exclusion to Windows Defender 7->43 11 RegSvcs.exe 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 208.91.199.224, 49743, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->31 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 3 other signatures 11->51 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6d8fe8e4b99da6d816d7335bd1ace36db4706fda0e1e46dceb5657ca1a57d81c/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-04-07 14:47:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nwh6rzfztwtnqfwxgnn5dlhdnw2ha362bypenxhlkzl4ugsx3aoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3bf15d5b8ab7b88887aa29649773482b57ccb34097bb4df35b46081127b47e74
AgentTesla
473cd99f322e449b777abd7a89ffd0f2b1d383223c150ce940fd1fc3bd4f00c5
AgentTesla
4ea32ccd68ea4437adbb5639bbbd2a0098107f16b851ac463a136ec5ecba796a
AgentTesla
7e840527c08cc44418a9d45ce4311b201cf5e15f85efb806ca81edd7d5c29fd8
AgentTesla
a37117c0bc0130e1a1b613744f5e58eb66c4426cf5687cc88c0ed2e81336a835
AgentTesla
a893ba5218f2456a154c43c363d391a3117638c8f300cac0b44ec74c4a56be8c
AgentTesla
db79d2d8501b876d4d59f41e067ac54ebfaca9863c5aaab7686380284e7a4616
AgentTesla
de144ca731ac926172dd742235946e40673e22684f0c2f346c63584cd0ceaec3
AgentTesla
f37a0441c66222c49723f8feae71cdce91423549228a852fb24a99fcb80c5e41
AgentTesla
+ 15'742 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220408-lpxjxagfgj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
2fdf370088eb306742648ba1890c12536d24a9c2c5566abef067dfc1e0a1ff66
MD5 hash:
f10cead62e7bf28f322373a0ba65cb0f
SHA1 hash:
fa54b6444fc83defc689498c13e32f4b41f4ac6a
Link:
https://www.unpac.me/results/d192d95c-07b2-47ef-8a32-a8a47d0fd58a/
SH256 hash:
fdb51b4611164c2bc42899374fb814d15f32d966c51d54ec308143dd40d052d3
MD5 hash:
0150b7cf74cc40e618a55a18f6feb075
SHA1 hash:
c613da34887ce0fcd01b5958625cf6407233ce7c
Link:
https://www.unpac.me/results/d192d95c-07b2-47ef-8a32-a8a47d0fd58a/
SH256 hash:
2d14af604cb03ba64ccbbb713c9ad42fcb94ee8805817e2667a3501d83e4556e
MD5 hash:
1dac2c61ddf6a5a33eb67b57a9387842
SHA1 hash:
a0f4aff85f2fec851516160cb78980308ff53ea7
Link:
https://www.unpac.me/results/d192d95c-07b2-47ef-8a32-a8a47d0fd58a/
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
Link:
https://www.unpac.me/results/d192d95c-07b2-47ef-8a32-a8a47d0fd58a/
SH256 hash:
6d8fe8e4b99da6d816d7335bd1ace36db4706fda0e1e46dceb5657ca1a57d81c
MD5 hash:
c912902d28e4ffbaee58a39ca71c869f
SHA1 hash:
9b342032b4d956692c6a1710eeb5b2adf2ed65bc
Link:
https://www.unpac.me/results/d192d95c-07b2-47ef-8a32-a8a47d0fd58a/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6d8fe8e4b99d/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/6d8fe8e4b99da6d816d7335bd1ace36db4706fda0e1e46dceb5657ca1a57d81c

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Web download

AgentTesla

Executable exe 6d8fe8e4b99da6d816d7335bd1ace36db4706fda0e1e46dceb5657ca1a57d81c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2137142/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/262044/

Comments