MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04. 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: 551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04
SHA3-384 hash: a4ba6759cd6a7cab999fbb036e1a40ad161ce299f45f972b2b1756cb55b3f552c3dd08059fb295106d400a923d049926
SHA1 hash: 2469f31cf7cca2443a46487c5d3b82bfbffa51ae
MD5 hash: 892638b0000d50d4cfe8b2421ac10a53
humanhash: failed-violet-blossom-delaware
File name:PO 4555131028.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:908'800 bytes
First seen:2023-05-24 18:17:25 UTC
Last seen:2023-05-25 07:29:00 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:V0TFiTB2QwdAEN9liBrhO4QyYGZkAV5yHMVC:NyN9liBr/LXmM
Threatray 3'086 similar samples on MalwareBazaar
TLSH T11015937C86B60DB6D1F7C7B487C4B817BA6CBB73B0485A2640D1439D026F962B4DE42E
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
285
Origin country :
BE BE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 4555131028.exe
Verdict:
Malicious activity
Analysis date:
2023-05-24 18:18:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8a3d4358-0ad3-4f68-87d4-9917a1d873f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/391265/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.56670.30464.21826.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/646e54dccf634b8f311b1043/reports/cf2c7479-3dd6-47c1-84ae-7d86a5a4cd69/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/045b7f5b-7939-4405-aa2a-b8bc0cfe7840
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1241901
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 874912 Sample: PO_4555131028.exe Startdate: 24/05/2023 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 9 other signatures 2->76 7 PO_4555131028.exe 6 2->7         started        11 LqewzJUUoyDDx.exe 5 2->11         started        13 pmdeeD.exe 5 2->13         started        15 pmdeeD.exe 2->15         started        process3 file4 50 C:\Users\user\AppData\...\LqewzJUUoyDDx.exe, PE32 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmpBE5C.tmp, XML 7->52 dropped 54 C:\Users\user\...\PO_4555131028.exe.log, ASCII 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 17 PO_4555131028.exe 17 10 7->17         started        22 schtasks.exe 1 7->22         started        92 Antivirus detection for dropped file 11->92 94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 24 LqewzJUUoyDDx.exe 11->24         started        26 schtasks.exe 11->26         started        28 LqewzJUUoyDDx.exe 11->28         started        98 Injects a PE file into a foreign processes 13->98 30 pmdeeD.exe 13->30         started        32 schtasks.exe 13->32         started        34 pmdeeD.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 56 ljmaintenancesvcs.com.sg 103.7.8.179, 49698, 49699, 49701 USONYX-AS-APUSONYXPTELTDSG Singapore 17->56 58 mail.ljmaintenancesvcs.com.sg 17->58 62 3 other IPs or domains 17->62 46 C:\Users\user\AppData\Roaming\...\pmdeeD.exe, PE32 17->46 dropped 48 C:\Users\user\...\pmdeeD.exe:Zone.Identifier, ASCII 17->48 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        64 2 other IPs or domains 24->64 40 conhost.exe 26->40         started        60 mail.ljmaintenancesvcs.com.sg 30->60 66 2 other IPs or domains 30->66 42 conhost.exe 32->42         started        68 2 other IPs or domains 34->68 84 Tries to harvest and steal browser information (history, passwords, etc) 34->84 44 conhost.exe 36->44         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-24 09:50:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kuofycklfbvvle3xycalrlep2buaeq537nuu6wd32j5y6dsnfmca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
062d63753da1e0a1bb4af007aec07aa637cb682ae22c5bd933115340656739b7
AgentTesla
1a7d3c68a19d93324a37bfda905c8d9df54a6ca7c3d45176e3dce50fa736da65
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5e9077dd970a8ad82379f59478a8bafa435ea87d06c4756453024bf693e76123
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715eaeda3cd5a9592b004379ff4653da303f08d648c96161dcfbaa10696663c6
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71d07c6a2d2c936d68d34be26e8db95e47a616d30521f128feb2e79fbbaff469
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7b7b389efc9f4cbf70d147c03f99818173d04ad90764040c313310ed5814eefb
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9cfd117fa1e5ec9213026400217ac17c06b79a2fed0b8ec8eae0a044f5bc32b9
AgentTesla
+ 3'076 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/230524-wxlgqaea27/
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
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
b42272226a2221fbdfa20a95ba3870c07f7212a1f91e53f5c1522b472fe82cf2
MD5 hash:
19a4b28827f225bac9745ce1e54f1fe6
SHA1 hash:
fd4803542f37d63cec709a0f95c5a67c86b33ee4
Link:
https://www.unpac.me/results/af1f11ef-f33c-4324-b985-5a167685b770/
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/af1f11ef-f33c-4324-b985-5a167685b770/
SH256 hash:
7dbc0b5c09eb413386e058b19533073b670d7dc71929115fa6e29bee7520c1e0
MD5 hash:
758eff13f238fcfe7df32a6631686554
SHA1 hash:
0ea57e063ab601ea48d3a956673b21b7fa070e49
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/af1f11ef-f33c-4324-b985-5a167685b770/
SH256 hash:
551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04
MD5 hash:
892638b0000d50d4cfe8b2421ac10a53
SHA1 hash:
2469f31cf7cca2443a46487c5d3b82bfbffa51ae
Link:
https://www.unpac.me/results/af1f11ef-f33c-4324-b985-5a167685b770/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/551c5c094b28/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04

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 551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/391265/

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