MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e662cf42ad68f990971d60274c796013df8adadcf2743debd7e3e21c4400f949. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e662cf42ad68f990971d60274c796013df8adadcf2743debd7e3e21c4400f949
SHA3-384 hash: c51519c5b3fa5f8802d87382ec5297abf48020013e05ca3b8f5381e9f4aa698ce0b931f2c3733d15857244714aa07d25
SHA1 hash: ad707517ad2648ba9121a74ffdaa9b62169284bd
MD5 hash: ddece8e411a27c8511d7acc1f0002c0a
humanhash: orange-minnesota-alaska-emma
File name:SRESTKM-series.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:760'320 bytes
First seen:2021-03-29 06:37:07 UTC
Last seen:2021-03-29 07:48:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:y4niO5yvAioJexddHA4RMbT+N6nt6Wr/OJp2E1uriu6WUYBf1ZQ:li9obgdHleT+N6t6W7I2oGJKij
Threatray 3'642 similar samples on MalwareBazaar
TLSH 6EF4F13623A54B61E03E933D0438518453F6F605E732DA6E7EBF55CA5E71F8806B2B12
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.dyi.co.id
Sending IP: 103.18.28.122
From: subcon ferry <subcon@dyi.co.id>
Subject: REQUEST FOR QUOTE SRESTKM-series
Attachment: SRESTKM-series.rar (contains "SRESTKM-series.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SRESTKM-series.exe
Verdict:
Malicious activity
Analysis date:
2021-03-29 06:38:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/054da72b-526f-4f07-b1b0-5e656290ff38

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/127464/
Detection(s):
SecuriteInfo.com.Trojan.Siggen12.60361.19019.16599.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a window
Running batch commands
Launching a process
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d8d7fd7-a6f2-4848-a4a5-6dc6439cb9d0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/656474
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates autostart registry keys with suspicious names
Found malware configuration
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
Multi AV Scanner detection for dropped 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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 377168 Sample: SRESTKM-series.exe Startdate: 29/03/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Yara detected AgentTesla 2->58 60 3 other signatures 2->60 8 SRESTKM-series.exe 15 7 2->8         started        process3 file4 42 C:\Users\user\AppData\...\SRESTXM-series.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\...\InstallUtil.exe, PE32 8->44 dropped 46 C:\...\SRESTXM-series.exe:Zone.Identifier, ASCII 8->46 dropped 48 C:\Users\user\...\SRESTKM-series.exe.log, ASCII 8->48 dropped 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->68 12 SRESTXM-series.exe 14 5 8->12         started        17 cmd.exe 1 8->17         started        signatures5 process6 dnsIp7 52 192.168.2.1 unknown unknown 12->52 50 C:\Users\user\AppData\...\windows update.exe, PE32 12->50 dropped 70 Writes to foreign memory regions 12->70 72 Allocates memory in foreign processes 12->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->74 76 Injects a PE file into a foreign processes 12->76 19 InstallUtil.exe 2 12->19         started        22 windows update.exe 2 12->22         started        24 windows update.exe 12->24         started        30 3 other processes 12->30 26 reg.exe 1 1 17->26         started        28 conhost.exe 17->28         started        file8 signatures9 process10 signatures11 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->64 32 windows update.exe 22->32         started        34 windows update.exe 24->34         started        66 Creates autostart registry keys with suspicious names 26->66 36 windows update.exe 30->36         started        38 windows update.exe 30->38         started        40 windows update.exe 30->40         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e662cf42ad68f990971d60274c796013df8adadcf2743debd7e3e21c4400f949/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-03-29 06:17:32 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zrm6qvnnd4zbfy5matuy6lacppyvww46j2d326x4prbyraa7feq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 3'632 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210329-aq89avjtda/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e662cf42ad68f990971d60274c796013df8adadcf2743debd7e3e21c4400f949
MD5 hash:
ddece8e411a27c8511d7acc1f0002c0a
SHA1 hash:
ad707517ad2648ba9121a74ffdaa9b62169284bd
Link:
https://www.unpac.me/results/8584328a-b62b-4475-8687-f41eca7e262c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/e662cf42ad68f990971d60274c796013df8adadcf2743debd7e3e21c4400f949

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar d6f6c39b2b8850acea9fd3cb80b440f44957b81554c8f637d21fa78a12cebcf8

AgentTesla

Executable exe e662cf42ad68f990971d60274c796013df8adadcf2743debd7e3e21c4400f949

(this sample)

  
Dropped by
MD5 68b2d8b16764171e4f74731f0fb77d01
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/127464/
  
Dropped by
SHA256 d6f6c39b2b8850acea9fd3cb80b440f44957b81554c8f637d21fa78a12cebcf8

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