MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c91de651908108a492c93af5470378807f9a2cc8b9ee3de487b816db3cd6f682. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c91de651908108a492c93af5470378807f9a2cc8b9ee3de487b816db3cd6f682
SHA3-384 hash: 6b4e808a5dd6aacf18e3211179ee7a6166f79e03c11a21bfffd0d8397b18913841a385258a2f377c606528a432de84d0
SHA1 hash: b45b3dae2669ba530f86bd4e96edcc45ba6b5524
MD5 hash: 8f397939df9bdae7f68bdcc46c9c7355
humanhash: thirteen-cola-mobile-juliet
File name:P INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:810'496 bytes
First seen:2022-02-11 05:27:23 UTC
Last seen:2022-02-11 18:56:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:3ArQ5kMCF15D9RHXnQazmuDwm0NfPpGLCGBqiBQIxHeaptGOU2emWbkVJesxRG9D:3A8TiT99XnpwZPM9BqCHx+OQnmW6xo9
Threatray 14'987 similar samples on MalwareBazaar
TLSH T16205F1AC75503AAFCC57C67AD9592C34AB60B0BB530BA30B802354ED9A0C6D7DF255E3
File icon (PE):PE icon
dhash icon f0c4b2d4f0a2ccf0 (25 x AgentTesla, 9 x Formbook, 6 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/240819/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GPD.genEldorado.7527.30189.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6205f3e554047500bb3edb9f/reports/f6379028-5eb1-4c1e-be1a-966d80204859/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/e5aa396b-5db5-4e57-848e-f9b436431f99
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/938127
Signature
.NET source code contains potential unpacker
.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
Malicious sample detected (through community Yara rule)
Modifies the hosts 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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570602 Sample: P INVOICE.exe Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 8 other signatures 2->36 6 P INVOICE.exe 3 2->6         started        10 tKZVPq.exe 3 2->10         started        12 tKZVPq.exe 2 2->12         started        process3 file4 22 C:\Users\user\AppData\...\P INVOICE.exe.log, ASCII 6->22 dropped 38 Injects a PE file into a foreign processes 6->38 14 P INVOICE.exe 2 5 6->14         started        18 tKZVPq.exe 10->18         started        20 tKZVPq.exe 12->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 14->24 dropped 26 C:\Windows\System32\drivers\etc\hosts, ASCII 14->26 dropped 28 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 14->28 dropped 40 Modifies the hosts file 14->40 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->42 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c91de651908108a492c93af5470378807f9a2cc8b9ee3de487b816db3cd6f682/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-11 05:28:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeo6mumqqeekjewjhl2uoa3yqb7zulgixhxd3zehxalnwpgw62ba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3615fadc8219a9743616b35e7861d40c787191709875764fee8f22a4749d1b8d
AgentTesla
56e9b5b07bf8cc837af1d790cdffd0f8710933009d0627d668027297f499ae51
AgentTesla
5cc8c8e81ebe07e57ff61c75a204988a04071da991cf85a5bf85ddca60597fcf
AgentTesla
79437d0724b805fd6cdf288d9f1e8fdea41a4b8d2a32a2690c951590e9077502
AgentTesla
855cd108ac5b3df456f5dac8b276592df59ff70f019c8fd1a30bc66e43d03317
AgentTesla
a7569d53e60e0ac669bdc54b6bc7a81932acf899ec055c7e0eb060d865c8437a
AgentTesla
b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0
AgentTesla
fafe3c7c1660f4baadeaedff9ae0ca32e57407b991f01e5a965e8e19f6c133b1
AgentTesla
+ 14'977 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/220211-f51nlsbcg8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
26288ddd6cac371cb2ddecb0bda27fba5b82ae9b797dc0ff2bc39bf01c9c96f1
MD5 hash:
8f501dd7600c8f7b6799c4cb397399f1
SHA1 hash:
f9de65145bfdfdbb172d1984aa8522cf22e5b3be
Link:
https://www.unpac.me/results/7a318abd-b6ef-42d7-92ef-fb530a20f00a/
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
Link:
https://www.unpac.me/results/7a318abd-b6ef-42d7-92ef-fb530a20f00a/
SH256 hash:
ff9400f9df2f1201fa412943e7d3fd1af4931716b3a4e0d625945df24cf80a6e
MD5 hash:
bef37f421fc6e83febcaa115a9ba24be
SHA1 hash:
a8359c25a62b19697218b57f49a92b922e454d12
Link:
https://www.unpac.me/results/7a318abd-b6ef-42d7-92ef-fb530a20f00a/
SH256 hash:
8ea12aaf22a78e896665fd465e412646a84637a80eb4efd8b0ff632628bcd48f
MD5 hash:
9502320bd5381b5beb52bea575c5bc62
SHA1 hash:
2ef4dea1ffc0f624447deb0f31b85487c7abe4ba
Link:
https://www.unpac.me/results/7a318abd-b6ef-42d7-92ef-fb530a20f00a/
SH256 hash:
c91de651908108a492c93af5470378807f9a2cc8b9ee3de487b816db3cd6f682
MD5 hash:
8f397939df9bdae7f68bdcc46c9c7355
SHA1 hash:
b45b3dae2669ba530f86bd4e96edcc45ba6b5524
Link:
https://www.unpac.me/results/7a318abd-b6ef-42d7-92ef-fb530a20f00a/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c91de6519081/report/overview.html
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:exec_macros
Create hunting rule
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Create hunting rule
Author:ddvvmmzz
Description:obfuscate macros
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 c91de651908108a492c93af5470378807f9a2cc8b9ee3de487b816db3cd6f682

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/240819/

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