MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 658b8acf4e55694315f5c62db199b67651a2f9af333a34d4a388010514b95ae2. 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
| SHA256 hash: | 658b8acf4e55694315f5c62db199b67651a2f9af333a34d4a388010514b95ae2 |
|---|---|
| SHA3-384 hash: | a72fc78d7deee38e993ead5c9b752a4415b3dbbb708167275ce82002aff4959adeb2916b50b54a56b31178f05910539f |
| SHA1 hash: | 323ade146a6740e9639a4cafe5c9fe6ae4e761ee |
| MD5 hash: | 753bc247a6e63d13b89936c7d7130731 |
| humanhash: | nevada-twenty-four-edward |
| File name: | OFFER.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'062'912 bytes |
| First seen: | 2021-10-06 03:55:54 UTC |
| Last seen: | 2021-10-08 20:17:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:vwbhXZw6yA9XUOIfMM/IQrXjXZw6yA9XU:obvw09X3fMQyVw09X |
| Threatray | 10'786 similar samples on MalwareBazaar |
| TLSH | T141355AD453CB99C0B53B2639B0122CFBB47D630DF29ECF1155A73A938CBA650562DE88 |
| File icon (PE): |  |
| dhash icon | 787930ece806c4f8 (10 x AgentTesla, 3 x SnakeKeylogger, 2 x AsyncRAT) |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
7
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-06 03:56:06 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 10'776 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
13a416bdfe5cb530a857a4e8f355bd622c44ef85ca3d91c90be3218f14264693
MD5 hash:
1fc6243c9e76be9ee5843519bbdd3861
SHA1 hash:
8d1dbccd326cc8eb859a71b0b87507a2e0019452
SH256 hash:
f49d9e287426987a9617212fbd09da8a53e3875a998989744006e3da2160ba58
MD5 hash:
0cb8f51712ef5f1477de73a94e52f89e
SHA1 hash:
80bf13d5e71a5e88d1d4643e5caf23360cd2213b
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
658b8acf4e55694315f5c62db199b67651a2f9af333a34d4a388010514b95ae2
MD5 hash:
753bc247a6e63d13b89936c7d7130731
SHA1 hash:
323ade146a6740e9639a4cafe5c9fe6ae4e761ee
Malware family:
Agent Tesla v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
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 |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| 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
Delivery method
Distributed via e-mail attachment
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