MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968
SHA3-384 hash: 4e2b3145a7398dc8546c1b2458fdfd5821fd0d4858a35fa923b31d08ae7f0b7a0a81d2e4a5b281487ad05b4c803f0b1e
SHA1 hash: 3a58155a4193d7fccb84b8b8c683c9e8468d0c7a
MD5 hash: e0c45d400db29784783e2316b374ff77
humanhash: grey-spaghetti-december-johnny
File name:Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:812'032 bytes
First seen:2023-03-27 05:28:23 UTC
Last seen:2023-04-02 03:21:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:qXsZwdG+dVkliZq6sOtD4wxlODoMV/MDFwv4GLLJZTQIQfT3TFXl3J5dIEYnvoq5:NZGG+Rxd4eluLlLdeIQfT3x5dN2voq5
Threatray 155 similar samples on MalwareBazaar
TLSH T14A05DF59AD3E1873F8E8D2F455501B7A03B8BB911061E2D98EFA58DA3CDBBA305D140F
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 adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-03-27 05:35:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4cb07861-e87c-42df-82f9-2778b30c49af

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/377730/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/642129ae9c109cf74b2ffd7f/reports/0c07a846-1464-408d-980f-6c7e62ac73d8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b3020a7-b572-4907-a25c-5925ea73cdca
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202439
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
May check the online IP address of the machine
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: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 835343 Sample: Documents.exe Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 53 Antivirus / Scanner detection for submitted sample 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 4 other signatures 2->59 7 Documents.exe 7 2->7         started        11 LOpmxTKQTy.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\LOpmxTKQTy.exe, PE32 7->33 dropped 35 C:\Users\...\LOpmxTKQTy.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp86C8.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\...\Documents.exe.log, ASCII 7->39 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Writes to foreign memory regions 7->63 65 Adds a directory exclusion to Windows Defender 7->65 67 Injects a PE file into a foreign processes 7->67 13 RegSvcs.exe 15 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        69 Antivirus detection for dropped file 11->69 71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 21 RegSvcs.exe 11->21         started        23 schtasks.exe 1 11->23         started        25 RegSvcs.exe 11->25         started        signatures5 process6 dnsIp7 41 api4.ipify.org 64.185.227.155, 443, 49700 WEBNXUS United States 13->41 43 rapidcheckng.com 208.79.237.170, 49702, 49707, 587 LIQUIDWEBUS United States 13->43 51 2 other IPs or domains 13->51 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->77 79 May check the online IP address of the machine 13->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->81 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 173.231.16.76, 443, 49706 WEBNXUS United States 21->45 47 mail.rapidcheckng.com 21->47 49 api.ipify.org 21->49 83 Tries to steal Mail credentials (via file / registry access) 21->83 85 Tries to harvest and steal browser information (history, passwords, etc) 21->85 31 conhost.exe 23->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-23 19:57:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qog2eujjis7ht6nn7z6jbepe4pe4oq4zjvb74fasmwoz4kewzfua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06075b49f2b94cccbd7ffadc3fd0db2d2e47a4888f749cbb3685904146ff613a
AgentTesla
936cdcfc8c162d9f0d0b0d7bd19fb18d6a495f5acc22d77606904e373948f5a6
AgentTesla
b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d
AgentTesla
b886dcd7df287ad95fa271968317b41f55f61ea7140bc2f241446fb3df9a6561
AgentTesla
cf2168940995549a47e170ff65e038af63a8217526c9dd292eed8f98957750bb
AgentTesla
d4696e1f4451b83adea7ee01be8cef6807343d3cf031cd913f6902f3fb789db9
AgentTesla
ddb409c4e8db5fa5347ce84e51c8000206e6df1107c5a7c544fa87a5343ed9de
AgentTesla
eabfebdbacab5478437bda6bb709be1cd7ec5649c6ef81ef4a06b6d29b56a58b
AgentTesla
+ 145 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230327-f6lk3sdh6y/
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
1e3cc948a784753c295f9acd138a6ece7c89ded7db669b4069210c70a45fe6a1
MD5 hash:
4689d879a4c3f147fb2490d71d499fb1
SHA1 hash:
ce2105b06b1833883cf7609c1f62afa88629a8f1
Link:
https://www.unpac.me/results/8d859ba2-c050-43f5-9474-2933d6633adf/
Parent samples :
ed9248192c85ed4a3053e0c5bf1763cb1e39ed9514122a29542e439461c89f9b
48a9074aa2eebe724b1e9d3828e2eb3ab0fde8d370ef71652b5ffe44cf51322e
SH256 hash:
6cc08ac1a4aa9177170ac23d4f03b785c2c40397859a405d4c44557225e82073
MD5 hash:
9d90d6b01300f782a10605bdb4f51502
SHA1 hash:
bbc688ad36b5c2d8eaafa40874257c7142fca0c5
Link:
https://www.unpac.me/results/8d859ba2-c050-43f5-9474-2933d6633adf/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/8d859ba2-c050-43f5-9474-2933d6633adf/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
cde0d3400cd787fce5d1b95fa52908d64831430cc90dafddbaa79ae0d03bb3d0
MD5 hash:
06a5bc1d3143bcac174d81c5ffc09def
SHA1 hash:
650fb4549fb98ee4c7be5e03bf670241e6339cd0
Link:
https://www.unpac.me/results/8d859ba2-c050-43f5-9474-2933d6633adf/
SH256 hash:
209a5e26b09e91f6717e9e44f965aa2dceff86cee08d6ae9f01ce24c63104bf1
MD5 hash:
75c7e91a49c70c6bf771085ad73a93b5
SHA1 hash:
5b001e46e6f0ef8203e5819296d086ded2d34811
Link:
https://www.unpac.me/results/8d859ba2-c050-43f5-9474-2933d6633adf/
SH256 hash:
838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968
MD5 hash:
e0c45d400db29784783e2316b374ff77
SHA1 hash:
3a58155a4193d7fccb84b8b8c683c9e8468d0c7a
Link:
https://www.unpac.me/results/8d859ba2-c050-43f5-9474-2933d6633adf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/838da2512944/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968

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 838da2512944be79f9adfe7c9091e4e3c9c743994d43fe1412659d9e2896c968

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/377730/

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