MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7bf938ab8fec5c1541be2e7d6c4214cf9357d4b06ace5a80bb6cc2ac22511c3. 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

SHA256 hash: a7bf938ab8fec5c1541be2e7d6c4214cf9357d4b06ace5a80bb6cc2ac22511c3
SHA3-384 hash: 81bf5df85475fe6a4c22f9c4f8da3d516c7f816a124db5d9df430b7a5b88dfdbd57b537aeecafd8efdf386129f0cd3e2
SHA1 hash: b1ffd1418ee9642130eec5b320f8b25b434659d4
MD5 hash: 4fd4b40d8759a426f263c3729ba308a2
humanhash: fifteen-double-butter-jupiter
File name:New PO.exe
Download: download sample
Signature AgentTesla
File size:704'512 bytes
First seen:2022-05-20 10:59:07 UTC
Last seen:2022-05-20 11:57:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HfwMW7mz+vnAxOQVs2WAAoluSM98nqqkLMJ99y6B7devR+CX9O:/wMW7mROjweYZescT7X9
Threatray 16'892 similar samples on MalwareBazaar
TLSH T1D7E412297BF84F11E1AE27BA60B110152B36BB0E7A52F30D6BD160EC1DB379085517BB
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
New PO.exe
Verdict:
Malicious activity
Analysis date:
2022-05-20 11:01:54 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
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 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 630974 Sample: New PO.exe Startdate: 20/05/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected AgentTesla 2->66 68 9 other signatures 2->68 8 New PO.exe 7 2->8         started        12 xWBWc.exe 5 2->12         started        14 xWBWc.exe 2->14         started        process3 file4 52 C:\Users\user\AppData\...\SysaEUrpomFr.exe, PE32 8->52 dropped 54 C:\Users\...\SysaEUrpomFr.exe:Zone.Identifier, ASCII 8->54 dropped 56 C:\Users\user\AppData\Local\...\tmp3E3E.tmp, XML 8->56 dropped 58 C:\Users\user\AppData\...58ew PO.exe.log, ASCII 8->58 dropped 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 16 New PO.exe 2 5 8->16         started        20 powershell.exe 24 8->20         started        22 schtasks.exe 1 8->22         started        34 2 other processes 8->34 74 Machine Learning detection for dropped file 12->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->76 24 schtasks.exe 12->24         started        26 powershell.exe 12->26         started        28 xWBWc.exe 12->28         started        30 powershell.exe 14->30         started        32 schtasks.exe 14->32         started        signatures5 process6 file7 48 C:\Users\user\AppData\Roaming\...\xWBWc.exe, PE32 16->48 dropped 50 C:\Users\user\...\xWBWc.exe:Zone.Identifier, ASCII 16->50 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->60 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 30->42         started        44 conhost.exe 32->44         started        signatures8 process9 process10 46 conhost.exe 36->46         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-20 07:44:46 UTC
AV detection:
18 of 40 (45.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
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:
187700e1704dbfc438d8e0e47ed6d15b4d4e0bffa638216eddfcc51ec0a2d617
MD5 hash:
3a0fe46229da323fff01b7e23b6c484b
SHA1 hash:
f795f8ad1a08e3ab98bc3db2b51683fdfba99f66
SH256 hash:
e90922f5764fd2f650639950359e75976f0cd6082a92b1fde5b192c80f6b13b9
MD5 hash:
6cdea2128f8b214f1692bef2e7802d21
SHA1 hash:
e98f32ef45310a07be9ec052e14b0642f4984da1
SH256 hash:
aa9d45a1b34322ebe80952ccaf7da6593e62f8ea7917dd10b16f92b8ded1260a
MD5 hash:
d82ba341c8343987070a42d1bf618d65
SHA1 hash:
e25a4abe02213cb4ea54c2442fce87efae1f1e91
SH256 hash:
a618ebe9f976924fa73053139a0775ba3202e6b4b469748f8cd7fcc16b4ba27c
MD5 hash:
d9ddb3228c337c537c7678107c393ef8
SHA1 hash:
5982e3647b48677a38108df534079c4aa551f1ee
SH256 hash:
a7bf938ab8fec5c1541be2e7d6c4214cf9357d4b06ace5a80bb6cc2ac22511c3
MD5 hash:
4fd4b40d8759a426f263c3729ba308a2
SHA1 hash:
b1ffd1418ee9642130eec5b320f8b25b434659d4
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: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.

  
Delivery method
Other

Comments