MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977
SHA3-384 hash: dcf3926435887a8537f8c84a8fc55c5a92885b6f830a013ccebc731a00e785fb38c26b30a28296aba22a2836a1054253
SHA1 hash: 90345c1319e4392a0389e5cae34a1c05eb1da97c
MD5 hash: dd1ece327ed2a85d2d20ff58281f798c
humanhash: xray-dakota-finch-shade
File name:PO 18-3081.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:650'240 bytes
First seen:2022-05-23 06:07:59 UTC
Last seen:2022-05-23 08:34:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6y8W+49RZQGkxSiydBdcboLRTA9jEmCBDE11jXw/zSHvk8CA+3h:EHtxSrdsboLcjEmMDi1zeUZ+x
Threatray 17'370 similar samples on MalwareBazaar
TLSH T1D8D4121166AC8A7ACC9D43B9DC5672DC53F44E60BD62EB478F8A72DB1D323C6C20056B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 688e33f0e8e071b2 (10 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO 18-3081.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 06:20:52 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/04d5a68b-063f-4227-8018-602c641edbf1

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/273526/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expand.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/628b24e3370bb1455cbfdbc7/reports/3c26cfac-b8b8-4d5f-87f8-987792785036/overview
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/a6c736de-43c8-4e99-aa67-257e289bbd91
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/999528
Signature
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632019 Sample: PO 18-3081.PDF.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 7 other signatures 2->43 6 HSpMzoJ.exe 2 2->6         started        9 PO 18-3081.PDF.exe 3 2->9         started        12 HSpMzoJ.exe 3 2->12         started        process3 file4 45 Multi AV Scanner detection for dropped file 6->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 14 HSpMzoJ.exe 2 6->14         started        31 C:\Users\user\...\PO 18-3081.PDF.exe.log, ASCII 9->31 dropped 18 PO 18-3081.PDF.exe 2 5 9->18         started        21 PO 18-3081.PDF.exe 9->21         started        23 PO 18-3081.PDF.exe 9->23         started        25 PO 18-3081.PDF.exe 9->25         started        signatures5 process6 dnsIp7 33 208.91.198.38, 49752, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 51 Tries to harvest and steal ftp login credentials 14->51 53 Tries to harvest and steal browser information (history, passwords, etc) 14->53 55 Installs a global keyboard hook 14->55 35 us2.smtp.mailhostbox.com 208.91.198.46, 49747, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->35 27 C:\Users\user\AppData\Roaming\...\HSpMzoJ.exe, PE32 18->27 dropped 29 C:\Users\user\...\HSpMzoJ.exe:Zone.Identifier, ASCII 18->29 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Moves itself to temp directory 18->59 61 Tries to steal Mail credentials (via file / registry access) 18->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->63 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-23 00:54:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=limmjqs7lvy4zi5vw2q3kjmyezcm2k2q44sx4cz4dzyldkwdhf3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa
AgentTesla
49a9d39a546af011f10b52efa9f9fa003524a7585fb08f3101da8d090e6b93e6
AgentTesla
4e6704724e2218ac123163b44edcc4f34555cddaf9d5fd4afef51617918bdb9a
AgentTesla
85c50841a484f05259b3f8e02ed444c0403f605d33f9ee9b0afbceccadc73892
AgentTesla
9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
AgentTesla
9b9e7f65b6e87acaeb34f568af68ba6c2246cf320329d56af03673f5f3908ddb
AgentTesla
b560a1e0e7ee01b5df015fbf736ff837804c1ea7358b9b89c994018db942e648
AgentTesla
c1668d113829b2d495044cfa509da8b04f372c4d8e0d73dcc98da7c761cf70a5
AgentTesla
+ 17'360 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/220523-gvwscafcbj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
AgentTesla
Unpacked files
SH256 hash:
770a2313e61e7fe6ba8fd24871bdf523868d581795dca8a8d108230b59dc138c
MD5 hash:
894adb2bcedb9142764bdef264145a4e
SHA1 hash:
c6627ac853df0c84f9e089ff88e182421fe545eb
Link:
https://www.unpac.me/results/458c8093-4b92-4230-a31c-9202a12c4918/
SH256 hash:
fdd10fb67e6276b3d848c92d4686f56b2ecbea1d629795a241ca6306a2f62d55
MD5 hash:
f20fd214bbda1a459a3eb415eec86017
SHA1 hash:
c658f61e4f308a69a4509649439814166c655e84
Link:
https://www.unpac.me/results/458c8093-4b92-4230-a31c-9202a12c4918/
SH256 hash:
3ccf62991ac8ae2d178e665d6718c974ebe45e4c3864c274ec8284f7900139d1
MD5 hash:
73cdcd73736f225bfe54789b52b1e904
SHA1 hash:
c65832ca96467c761ec6b2f31a8c83471e97fb45
Link:
https://www.unpac.me/results/458c8093-4b92-4230-a31c-9202a12c4918/
SH256 hash:
97bb606da011175b6f26529b1d6fa272df351dad47d0ecdb8d5a8fa80a83d8ec
MD5 hash:
9ac9b882c42cd9666dc2b398d5077d9b
SHA1 hash:
76a7617d69dcd4d42205273fb5c4d4975b2538f3
Link:
https://www.unpac.me/results/458c8093-4b92-4230-a31c-9202a12c4918/
SH256 hash:
4dd62a174b54eff529fa0303bd05b85324915e43ac0ab07ee6d11871fa050414
MD5 hash:
e8e23d5f3055e358b897b3180e09562d
SHA1 hash:
1eb030490e0110465175e571ada267ea9acac6b8
Link:
https://www.unpac.me/results/458c8093-4b92-4230-a31c-9202a12c4918/
SH256 hash:
5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977
MD5 hash:
dd1ece327ed2a85d2d20ff58281f798c
SHA1 hash:
90345c1319e4392a0389e5cae34a1c05eb1da97c
Link:
https://www.unpac.me/results/458c8093-4b92-4230-a31c-9202a12c4918/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a18c4c25f5d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977

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 5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/273526/

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