MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ff800deec70982677dbdaac741640a160feef437b25455ceb86728305c037e2. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ff800deec70982677dbdaac741640a160feef437b25455ceb86728305c037e2
SHA3-384 hash: 9bd5d482e6938b7b11b8c1a962e1abd4b3cea03b7cc1ce25fe14d2fe4f980ef7376720100db3807304e0c06c8353cc71
SHA1 hash: 0179ca31738ba487688138a06e988a9a76c8ee78
MD5 hash: abde830772b027154cbbda6851c6d57a
humanhash: minnesota-happy-lake-mirror
File name:REQUEST FOR PRICE QUOTATION.xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'325'568 bytes
First seen:2021-04-14 02:56:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:1R/hyKwq6hLRRRJ/psEn/S4ZSq/GkYXnzeiWSP/MEyGMVn/K/dd6E7YmgO8mgr:AKwqO3pN/auGNsS3ul47VhY
Threatray 3'925 similar samples on MalwareBazaar
TLSH 6A55152C75049AD7C5AB03F6A32C4C0092F59C4EA6FBF64DE8873DAAB6BD740B125147
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REQUEST FOR PRICE QUOTATION.xls.exe
Verdict:
Malicious activity
Analysis date:
2021-04-14 03:03:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/03520fb5-2a4f-4a75-b754-c875f3bc9f74

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/134019/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/674899
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
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 dnsIp2 2 Behavior Graph ID: 386389 Sample: REQUEST FOR PRICE QUOTATION... Startdate: 14/04/2021 Architecture: WINDOWS Score: 100 70 smtp.abanit.net 2->70 72 us2.smtp.mailhostbox.com 2->72 76 Found malware configuration 2->76 78 Multi AV Scanner detection for dropped file 2->78 80 Sigma detected: Scheduled temp file as task from temp location 2->80 82 13 other signatures 2->82 8 REQUEST FOR PRICE QUOTATION.xls.exe 7 2->8         started        12 pGKuRU.exe 2->12         started        15 pGKuRU.exe 2->15         started        signatures3 process4 dnsIp5 60 C:\Users\user\AppData\...\pveuVXNXzVWYnT.exe, PE32 8->60 dropped 62 C:\Users\user\AppData\Local\...\tmpFAB8.tmp, XML 8->62 dropped 64 REQUEST FOR PRICE QUOTATION.xls.exe.log, ASCII 8->64 dropped 92 Adds a directory exclusion to Windows Defender 8->92 94 Injects a PE file into a foreign processes 8->94 17 REQUEST FOR PRICE QUOTATION.xls.exe 8->17         started        22 powershell.exe 26 8->22         started        24 powershell.exe 24 8->24         started        34 2 other processes 8->34 74 192.168.2.1 unknown unknown 12->74 96 Multi AV Scanner detection for dropped file 12->96 98 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->98 100 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->100 102 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->102 26 powershell.exe 12->26         started        28 schtasks.exe 12->28         started        30 powershell.exe 12->30         started        32 pGKuRU.exe 12->32         started        36 3 other processes 15->36 file6 signatures7 process8 dnsIp9 66 smtp.abanit.net 17->66 68 us2.smtp.mailhostbox.com 208.91.199.223, 49731, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->68 56 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 17->56 dropped 58 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 17->58 dropped 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->84 86 Tries to steal Mail credentials (via file access) 17->86 88 Tries to harvest and steal ftp login credentials 17->88 90 2 other signatures 17->90 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 30->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        52 conhost.exe 36->52         started        54 conhost.exe 36->54         started        file10 signatures11 process12
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ff800deec70982677dbdaac741640a160feef437b25455ceb86728305c037e2/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-04-13 06:26:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
66
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r74abxxmocmcm5633kwhifsaufqp532dpmsukxhlqzzigboag7ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
21bc42c7f9bf5ceca873ce78ab74b8a0222d0d378904f505cd9c46f52adb3060
AgentTesla
21bd5e4845c12f0601ae8988314a461339e03e78267cac80f4a34ce93ad404ab
AgentTesla
4f5f4e560e02e025c79be3df80ec55b9aba56d8837b4ef6ff8a7cc54f1691a3b
AgentTesla
67d4f9c31ff9df7adce1c43573c3ac43e0aeed6dab1d3c37981e50473b314183
AgentTesla
8392af9cff73aab10a60befd359d4ca2638d6a936071285579147303bb453497
AgentTesla
9829d39cbbfccc4142a5374e10f03470f60ea6e1f8a927b2516c8166f9b97f69
AgentTesla
9fe2b475152993f604fe2eca2e9192b698b1ec161b4defad042423a68502c089
AgentTesla
b64834eeb000aadaea8048153c40436a4aa12e1ed93b506e5fb7146465b4943c
AgentTesla
d21652e5c2460a23b225dc870a0ca5366f341ee079f63edf01e85bd8fc43f4ac
AgentTesla
e788686b2a0e0efbf94e3f33a47e63494ca216e965191d82cd2922b8af6fe037
AgentTesla
+ 3'915 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210414-c7wtn6px36/
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
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/72d561f4-5766-45bd-87a5-a9f85c972334/
SH256 hash:
8ff800deec70982677dbdaac741640a160feef437b25455ceb86728305c037e2
MD5 hash:
abde830772b027154cbbda6851c6d57a
SHA1 hash:
0179ca31738ba487688138a06e988a9a76c8ee78
Link:
https://www.unpac.me/results/72d561f4-5766-45bd-87a5-a9f85c972334/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8ff800deec70982677dbdaac741640a160feef437b25455ceb86728305c037e2

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip f2d48d18a5965b72e7868c2f58d7b32cf83225223fb1e528489c10a20db04358

AgentTesla

Executable exe 8ff800deec70982677dbdaac741640a160feef437b25455ceb86728305c037e2

(this sample)

  
Dropped by
MD5 80ebac6f20f1086d32c1780ac76f24bc
  
Dropped by
SHA256 f2d48d18a5965b72e7868c2f58d7b32cf83225223fb1e528489c10a20db04358
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/134019/

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