MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a27c12a8f4fb92e14521406e64dee16c6e888ba8de479b56d273241f514883b. 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: 18
| SHA256 hash: | 4a27c12a8f4fb92e14521406e64dee16c6e888ba8de479b56d273241f514883b |
|---|---|
| SHA3-384 hash: | 74738a990d2d60b25158e668c8a08cfa0b1abb29c3c495860f160c0aab310fe96ac403543dba656ec3ca8e8956fd63e9 |
| SHA1 hash: | 2200c0209a437889afe3b268301fdfc467b70fd7 |
| MD5 hash: | d840d8828c7d653df6e528c5839c58e1 |
| humanhash: | speaker-april-river-johnny |
| File name: | Uqzqkjvjt.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 683'520 bytes |
| First seen: | 2023-12-11 08:01:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:8JCwrKHetRgFqSFa7y0iL/M8GXem/rZcsMW2g7dyEL3uG5:aCJH3PTtD0/dclW20d+ |
| Threatray | 4'919 similar samples on MalwareBazaar |
| TLSH | T1C8E4DF4662150926CB72A374CFB7E7120611F6FB4463E24B83C9B53DA11B7AE2FE1B41 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  lowmal3 |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
290
Origin country :
DEVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Uqzqkjvjt.exe
Verdict:
Malicious activity
Analysis date:
2023-12-11 08:05:26 UTC
Tags:
agenttesla stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
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
Verdict:
Malicious
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-12-11 04:53:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 37 (67.57%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 4'909 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Score:
10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
6a0da98f419293d9154057ffb5a1ba3d81bfc10fbf6e7563ca620df1fecdf4f2
MD5 hash:
6ffda73f81d2c5620a2e50002d593435
SHA1 hash:
fa0fa9d43d63fe10061b730bc9c9503cedc5bd8a
SH256 hash:
4873b6d5fd01068de7e8c1ccafa1edd06039eda71fe82444e6f94cdf9414dbd1
MD5 hash:
7396deaa47d868ea0bc66bfe2952a469
SHA1 hash:
d729c16db9adb30e05507964e44513422f1a48fe
Detections:
AgentTesla
win_agent_tesla_g2
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Agenttesla_type2
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
501e830e808cb982c789413b00abaeaae62f4bf842039bc740d502a158871d0e
MD5 hash:
8b795dae7885555d3386a24c8b6530d0
SHA1 hash:
6233d0cf1558f25979fb08fa3f830d2227ff04ce
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
4a27c12a8f4fb92e14521406e64dee16c6e888ba8de479b56d273241f514883b
MD5 hash:
d840d8828c7d653df6e528c5839c58e1
SHA1 hash:
2200c0209a437889afe3b268301fdfc467b70fd7
Detections:
Typical_Malware_String_Transforms
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Typical_Malware_String_Transforms |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Typical_Malware_String_Transforms_RID3473 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
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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