MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d7b4b89ca858383a73e1c3d7ffd20457a11c3e06c4c7aecc0a204aab6fd4031. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d7b4b89ca858383a73e1c3d7ffd20457a11c3e06c4c7aecc0a204aab6fd4031
SHA3-384 hash: e8a089de12660391a7361c619562c6ea5cddb118bb81f605c33127dce3b9a9ee8343e4583980114a402068f1e6964b1e
SHA1 hash: 05dbf35efc1848e7ca0e34f3324426b70dd3da34
MD5 hash: fecc603de2431dae2686341ad8d398c5
humanhash: papa-hotel-zebra-winner
File name:TEKLİF İSTEĞİ H…URK75BSİl_xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:480'256 bytes
First seen:2022-06-13 07:41:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:8MUBafvIGxUbXoMdZvLMZW/3NHVbCalGICEoBAuZH7xwoG629:8MPfOLfdZvLCWBVllMBAuZlH
TLSH T1D2A4124967B78737C875C7FD883250490BB9939A9327EB7A2F4471EA2F4AB451002D63
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d092989899a9a1c9 (16 x AgentTesla, 3 x RemcosRAT, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TEKLİF İSTEĞİ H…URK75BSİl_xls.exe
Verdict:
Suspicious activity
Analysis date:
2022-06-13 08:01:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/677dc831-75cc-4033-9dc6-41fed40d919e

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/279256/
Detection(s):
SecuriteInfo.com.Variant.Strictor.4358.22615.245.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a6ea8fa454cbb2f2f8d28f/reports/909e2cae-a114-4ec6-8ef9-44361f6e0a31/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/bbecccef-0bcd-4bc2-a5bd-bbf39904b2fb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011799
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Creates autostart registry keys with suspicious names
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)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (RTLO)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644295 Sample: TEKL#U0130F #U0130STE#U011e... Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Yara detected AgentTesla 2->45 47 Yara detected Telegram RAT 2->47 49 11 other signatures 2->49 7 TEKL#U0130F #U0130STE#U011e#U0130 H#U2026URK75BS#U0130l_xls.exe 4 2->7         started        11 231.exe 3 2->11         started        13 231.exe 2->13         started        process3 file4 29 TEKL#U0130F #U0130...#U0130l_xls.exe.log, ASCII 7->29 dropped 51 Adds a directory exclusion to Windows Defender 7->51 53 Injects a PE file into a foreign processes 7->53 15 TEKL#U0130F #U0130STE#U011e#U0130 H#U2026URK75BS#U0130l_xls.exe 2 5 7->15         started        19 powershell.exe 24 7->19         started        55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->57 59 Machine Learning detection for dropped file 11->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->61 21 231.exe 11->21         started        23 231.exe 11->23         started        25 231.exe 11->25         started        signatures5 process6 file7 31 C:\Users\user\AppData\Roaming\231\231.exe, PE32 15->31 dropped 33 C:\Users\user\...\231.exe:Zone.Identifier, ASCII 15->33 dropped 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Creates autostart registry keys with suspicious names 15->37 39 Tries to harvest and steal browser information (history, passwords, etc) 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 27 conhost.exe 19->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5d7b4b89ca858383a73e1c3d7ffd20457a11c3e06c4c7aecc0a204aab6fd4031/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 07:42:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lv5uxcokqwbyhjz6dq6x77jaiv5bdq7anrghv3gauickvnx5iayq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion
Link:
https://tria.ge/reports/220613-jjn98sefan/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
0b975a4c0d427cca2ee62a9af88d49d79c84abe40f433dc09410e7dbf7163ffc
MD5 hash:
955d62ac9d4ac2ff38605af2115d5002
SHA1 hash:
d5ea8e2dcb22b334c4c091876f8ddf1d474f787d
Link:
https://www.unpac.me/results/d23515e4-4a15-4ee2-94dc-3908564992cd/
SH256 hash:
42e61461bfce879c0aacf33157773e4feaa66bd7ff70105e0e08bb03485de4ad
MD5 hash:
f6a7c89082674b063eafaad8f49bc2b6
SHA1 hash:
09fc5d302b4cc2301547232b670cdb2102af4d45
Link:
https://www.unpac.me/results/d23515e4-4a15-4ee2-94dc-3908564992cd/
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/d23515e4-4a15-4ee2-94dc-3908564992cd/
SH256 hash:
8ab4553ab27e2212156d3b8e173e46130fb8b9b22aff9a6c8d6f9db3802fda04
MD5 hash:
6fe5f0498e06703bef910eeafa6e2185
SHA1 hash:
02d6c6e0a988f86790e33938cbcfec372d0b8c1b
Link:
https://www.unpac.me/results/d23515e4-4a15-4ee2-94dc-3908564992cd/
SH256 hash:
5d7b4b89ca858383a73e1c3d7ffd20457a11c3e06c4c7aecc0a204aab6fd4031
MD5 hash:
fecc603de2431dae2686341ad8d398c5
SHA1 hash:
05dbf35efc1848e7ca0e34f3324426b70dd3da34
Link:
https://www.unpac.me/results/d23515e4-4a15-4ee2-94dc-3908564992cd/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d7b4b89ca85/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/5d7b4b89ca858383a73e1c3d7ffd20457a11c3e06c4c7aecc0a204aab6fd4031

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 5d7b4b89ca858383a73e1c3d7ffd20457a11c3e06c4c7aecc0a204aab6fd4031

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/279256/

Comments