MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
SHA3-384 hash: 24fece55860088c580d179cfd6cb5e2faffea5cab29af3e174f703495085ecf8a8d6cd61cce0fbc1931ef3f2f0a1d127
SHA1 hash: 6a759c813b6ab846bc324d5296c2619ca4de9b1a
MD5 hash: 8d8cec84fb1bdc0bcc1d8f80df6e4e6b
humanhash: nineteen-blossom-edward-hydrogen
File name:Overdue Payment.jar.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:841'728 bytes
First seen:2022-04-20 04:28:12 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 24576:pbzgjjA8DeWr23vfNnDfjY1mesuqscYDkk1:sc+KnDuVsocA1
Threatray 16'134 similar samples on MalwareBazaar
TLSH T1880517AD725032CFC457C872C9A89C74FA9075BB830FA247A06315ADAE5D897CF149F2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264771/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.17502.315.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/625f8c12eab80a7a6c476397/reports/5468c6e6-ef06-4091-a6fc-ad0f23b076c5/overview
Result
Verdict:
UNKNOWN
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/351dfa2a-f71f-4ef8-b4c3-5c89bd4d95ee
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/979275
Signature
.NET source code contains very large array initializations
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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: 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 611762 Sample: Overdue Payment.jar.exe Startdate: 20/04/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 10 other signatures 2->53 8 Overdue Payment.jar.exe 6 2->8         started        12 tbKkO.exe 2 2->12         started        14 tbKkO.exe 1 2->14         started        process3 file4 37 C:\Users\user\AppData\...\omFhviGAJzKL.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmp66C1.tmp, XML 8->39 dropped 41 C:\Users\user\...\Overdue Payment.jar.exe.log, ASCII 8->41 dropped 67 Writes to foreign memory regions 8->67 69 Injects a PE file into a foreign processes 8->69 16 RegSvcs.exe 2 10 8->16         started        21 RegSvcs.exe 8->21         started        23 schtasks.exe 1 8->23         started        25 RegSvcs.exe 8->25         started        27 conhost.exe 12->27         started        signatures5 process6 dnsIp7 43 mail.ppecindia.com 50.87.154.175, 49753, 49766, 587 UNIFIEDLAYER-AS-1US United States 16->43 45 x1.i.lencr.org 16->45 33 C:\Users\user\AppData\Roaming\...\tbKkO.exe, PE32 16->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 16->35 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 Tries to steal Mail credentials (via file / registry access) 16->57 59 Tries to harvest and steal ftp login credentials 16->59 65 3 other signatures 16->65 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->63 29 conhost.exe 23->29         started        file8 signatures9 process10 process11 31 conhost.exe 29->31         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-20 02:00:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rp3xtfh3k5m7rpunooonmuktd7nhlxuirdd7k6omv6523m5t33fq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
AgentTesla
4b0f3abe3b0c7a9356687b4c29c68f9bab4247ca92cf5c37b42eec2881d3d2ec
AgentTesla
75d068be7f88f177a5b08d956442239e9aab86788dd48a7458bfdf9b86323dff
AgentTesla
980b3cbd822808ce9bcf9acf21c0cb4f1ca1106c47e0533e18669ade27f9ccac
AgentTesla
ce6df966091d0a4c305d5629d789f7ed072d01b8b4559d6356ed1643454e2427
AgentTesla
d0c6ca3de3ef4d363fd459c2dcd529b8bd7dc3c1b6196e1a913314d89209bd7a
AgentTesla
dc5eec99aa11a84baf9db82822e5367fb90f34304a660df4831f6f4cb4979e13
AgentTesla
ef85f9069eb8f860d143a599a3fe891ddff4341b3f6da959c69e6b6b22d3f53e
AgentTesla
+ 16'124 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220420-e38e1abce3/
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
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
418cb1bd9e8eba804322d2c9d847d07b49d24819431c507322459584d17c512e
MD5 hash:
997efaa1a9d3739da977967d8a375e28
SHA1 hash:
803121b5fcdd93a8a9eca854ae360b0e86b7321b
Detections:
win_cannon_auto
Create hunting rule
Link:
https://www.unpac.me/results/652af746-a2bd-46dc-90f4-096a4431469f/
Parent samples :
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
324e982071890f25fabb40a498576a58b21e1072340d7acc5f9017505808fdb9
8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a
4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9
b55b9c8e7d6999d57626d1f33e0ebacd1744043007a990626cb92612858a6da0
bc2d32d0d8974109233b41eec39a46cc8316c219ab17735d7a01f3d862f723d8
SH256 hash:
ffe890c22c751bee64134ce71e079af6a6ac0c8feea2acf89c081bf49bc863eb
MD5 hash:
5f9eb20c37210f6f730f89849d6f3089
SHA1 hash:
642c131d5309dbfbb2c8ff656948876427282296
Link:
https://www.unpac.me/results/652af746-a2bd-46dc-90f4-096a4431469f/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/652af746-a2bd-46dc-90f4-096a4431469f/
SH256 hash:
8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
MD5 hash:
8d8cec84fb1bdc0bcc1d8f80df6e4e6b
SHA1 hash:
6a759c813b6ab846bc324d5296c2619ca4de9b1a
Link:
https://www.unpac.me/results/652af746-a2bd-46dc-90f4-096a4431469f/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8bf77994fb57/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/8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb

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: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 8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/264771/

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