MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1
SHA3-384 hash: 2c246104f08b8d1b14732f645db32fa11d5baa24a3c886f619f6477dc5b1baf9bdeb51f24816b5b5297ad812f4ee0a93
SHA1 hash: f5ac40adfba076322c22e6bce4f84475c9da0e1d
MD5 hash: a8d2eba5d6f81ffa035c5b7633c3d543
humanhash: lake-oven-tennessee-grey
File name:Signed Contract.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'001'984 bytes
First seen:2023-06-22 17:31:44 UTC
Last seen:2023-06-23 06:47:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:C7MyuyF1OSCPwJ1KNoaqMXQKatnh9Ts7s3fQRNv5CcOa6I:C7MyuyT04J1KNopmWN3fCHCt
Threatray 3'200 similar samples on MalwareBazaar
TLSH T15325D050325D5F64E4B98BF2057042715BF62AABB53EFA494DC3B2DE29B1F018960F23
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla api-telegram-org exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
270
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Signed Contract.exe
Verdict:
Malicious activity
Analysis date:
2023-06-22 17:33:52 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/fb5b5068-03eb-4480-85f3-7b0ec5d45212

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/401714/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.30229.20154.19086.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f09160f7-9f4f-4855-b085-9aae3c6e1f60
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1259904
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 892924 Sample: Signed_Contract.exe Startdate: 22/06/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 7 other signatures 2->59 7 Signed_Contract.exe 7 2->7         started        11 BoGAttGWXc.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\BoGAttGWXc.exe, PE32 7->35 dropped 37 C:\Users\...\BoGAttGWXc.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp3852.tmp, XML 7->39 dropped 41 C:\Users\user\...\Signed_Contract.exe.log, ASCII 7->41 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 May check the online IP address of the machine 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 13 Signed_Contract.exe 15 2 7->13         started        17 powershell.exe 17 7->17         started        19 schtasks.exe 1 7->19         started        21 Signed_Contract.exe 7->21         started        69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 73 Injects a PE file into a foreign processes 11->73 23 BoGAttGWXc.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        27 BoGAttGWXc.exe 11->27         started        signatures5 process6 dnsIp7 43 api4.ipify.org 173.231.16.76, 443, 49692 WEBNXUS United States 13->43 45 api.telegram.org 149.154.167.220, 443, 49693, 49695 TELEGRAMRU United Kingdom 13->45 47 api.ipify.org 13->47 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        49 104.237.62.211, 443, 49694 WEBNXUS United States 23->49 51 api.ipify.org 23->51 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->75 77 Tries to steal Mail credentials (via file / registry access) 23->77 79 Tries to harvest and steal browser information (history, passwords, etc) 23->79 33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-22 09:54:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p5jkdnpno7lqcwk7dxrvipd4ivt3kippzl26uexove7vloqsapiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
122ec71f9f9911f8b80c2f2c5f26d66ffe2b62a190168ec0797072e02a8a3598
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1c4c7802f3a6bcc8d0355ad3e5c482c0fcdcb79845733a5ffe5c081ef59241cb
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331bf1b8daecf2013f1a87e15ef1e185a1fe02958c31d22bfb0ddc499d69a80c
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85c5b8ce343047febb9f3313f1cde4e1a37dec4a776addf9d4d6db10758c290b
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9160d5bf9da57b8baa00455a4db770d895f83250f6e707d3437622a2e42dda60
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91ac06377918b5aca1dbf64a3ab426ab8f5576c7c806929fbbdc9fd2f0af5e17
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987a4d7b9be473efd2aa0ff7f0958414d64e0fa058bbaadb702c2024dbc9562c
AgentTesla
9d3b203f9301ae7c6943e12c62db105761ea10f6b6a0fb3993805c50b4a345e6
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a5cb5ed5237d5e446dd4c461b4673283bbe2339d513300f19920c1a86a45f6b0
AgentTesla
dc091920175bd059d2925977e1806df9930c40db5292a73158bac390fca03d75
AgentTesla
+ 3'190 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/230622-v39wtsff43/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6169396602:AAE0anpu1rRwBqKq-hnjo_CB0B-Z6UqWTEw/
Unpacked files
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/237f3fa8-584f-4d1f-89cf-6d6196f4df42/
SH256 hash:
db6e1517499f8f2dd5850857ae4ffe72c8bb686eb181bbeb722f8a6827a94524
MD5 hash:
d3267b9cf8f1a24739ff4dbb3c91726f
SHA1 hash:
c3ad2d9622ab0a13e28b7121ac2f249933bb0f2c
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/237f3fa8-584f-4d1f-89cf-6d6196f4df42/
Parent samples :
09d437e435136bba2a59d8abf84da5e2dedf46ec0afd38ddaa40d07ec6119ba5
7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1
SH256 hash:
0160739cfd8d1897931f6821d701e3089c2bbd03d3ff8ed977ca4c618876b7e4
MD5 hash:
42fa7553572a0e8d2056a7c77597f57a
SHA1 hash:
c1beb634d03f733eedf2f2b4fc3ab14a4b388ae6
Link:
https://www.unpac.me/results/237f3fa8-584f-4d1f-89cf-6d6196f4df42/
SH256 hash:
514c9280c0ba7624f6327bbac6da43e845834c3d3dbb8350da282848d691168e
MD5 hash:
bb3058a946b2ee624ebfc574551addd3
SHA1 hash:
ad1b0085078f06d1ff3c8a10023a6057cb72e2f3
Link:
https://www.unpac.me/results/237f3fa8-584f-4d1f-89cf-6d6196f4df42/
SH256 hash:
f1f76d3c10cf0e3ac21c5b74ecdfeb5c1298a6a3c8d11d38d58d51cec633fedc
MD5 hash:
180a5677710c0eaaa61c9fa5d277209e
SHA1 hash:
6c1ed2596d1f28d2c1f54e58efb76fe0aa3515c6
Link:
https://www.unpac.me/results/237f3fa8-584f-4d1f-89cf-6d6196f4df42/
SH256 hash:
7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1
MD5 hash:
a8d2eba5d6f81ffa035c5b7633c3d543
SHA1 hash:
f5ac40adfba076322c22e6bce4f84475c9da0e1d
Link:
https://www.unpac.me/results/237f3fa8-584f-4d1f-89cf-6d6196f4df42/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7f52a1b5ed77/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/7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1

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

zip b02c34b39ad80df8c4c857d64f977da7cbf9812725d4ec3074d02668810c5a59

AgentTesla

Executable exe 7f52a1b5ed77d701595f1de3543c7c4567b521efcaf5ea12eea93f55ba1203d1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/401714/
  
Dropped by
SHA256 b02c34b39ad80df8c4c857d64f977da7cbf9812725d4ec3074d02668810c5a59
  
Dropped by
MD5 255d1a6deb5d37413681e1b90a296bb4
  
Dropped by
SHA256 8a0cffcfb250244f00f8e61597d33ba01be11300b420de556cac6768f602ff00
  
Dropped by
MD5 c63e4cf08a74c1967b56097c76460144

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