MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 139da5e39dff492d6163311fdcba5daaf916877cc8575e120ffba9b2bda65536. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 139da5e39dff492d6163311fdcba5daaf916877cc8575e120ffba9b2bda65536
SHA3-384 hash: ec3e97cf9bb84e04da2454c4ae3d88f97933627b0cdad62975094f8294d32e76ef99906790b54d782e464be46acfc600
SHA1 hash: 2c833a4195815f3fdeddc7996e10b17fc2abb3e8
MD5 hash: f3c4ce7dd49e5728b3dd941ef7e95313
humanhash: solar-rugby-sink-nebraska
File name:love.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:25'600 bytes
First seen:2022-06-23 16:17:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:iflViX4lWkVDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDyL:it9VDDDDDDDDDDDDDDDDDDDDDDDDDDDi
Threatray 18'290 similar samples on MalwareBazaar
TLSH T110B2968D4F50865FFBB38EF9B9AB92523376ADCA9371EB178488141D582F10708A7D0C
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 08080786e869b68a (12 x AgentTesla, 4 x Formbook, 2 x AsyncRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/282684/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62b4923da6ececa45fc53448/reports/db9715d0-63ba-4398-ba5d-5ec155d05fc7/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40915b6b-c9b4-45de-a587-32459a84e7ae
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018770
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
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)
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 651266 Sample: love.exe Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 55 stackoverflow.com 2->55 75 Snort IDS alert for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 8 other signatures 2->81 8 love.exe 16 7 2->8         started        13 Grjwvl.exe 2->13         started        15 Grjwvl.exe 14 4 2->15         started        signatures3 process4 dnsIp5 57 kolim.tk 162.240.68.177, 443, 49747, 49772 UNIFIEDLAYER-AS-1US United States 8->57 59 151.101.1.69 FASTLYUS United States 8->59 61 4 other IPs or domains 8->61 47 C:\Users\user\AppData\Roaming\...behaviorgraphrjwvl.exe, PE32 8->47 dropped 49 C:\Users\user\...behaviorgraphrjwvl.exe:Zone.Identifier, ASCII 8->49 dropped 51 C:\Users\user\AppData\Local\...\love.exe.log, ASCII 8->51 dropped 83 Writes to foreign memory regions 8->83 85 Injects a PE file into a foreign processes 8->85 17 InstallUtil.exe 14 2 8->17         started        21 cmd.exe 1 8->21         started        23 InstallUtil.exe 13->23         started        25 cmd.exe 13->25         started        27 BackgroundTransferHost.exe 13->27         started        29 InstallUtil.exe 13->29         started        87 Multi AV Scanner detection for dropped file 15->87 89 Machine Learning detection for dropped file 15->89 31 InstallUtil.exe 15->31         started        33 cmd.exe 15->33         started        file6 signatures7 process8 dnsIp9 53 api.telegram.org 149.154.167.220, 443, 49771, 49841 TELEGRAMRU United Kingdom 17->53 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->65 67 Tries to steal Mail credentials (via file / registry access) 17->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->69 35 conhost.exe 21->35         started        37 timeout.exe 1 21->37         started        71 Tries to harvest and steal ftp login credentials 23->71 73 Tries to harvest and steal browser information (history, passwords, etc) 23->73 39 conhost.exe 25->39         started        41 timeout.exe 25->41         started        43 conhost.exe 33->43         started        45 timeout.exe 33->45         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/139da5e39dff492d6163311fdcba5daaf916877cc8575e120ffba9b2bda65536/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 15:51:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
13 of 41 (31.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=coo2ly4575es2yldgep5zos5vl4rnb34zblv4eqp7ou3fpngku3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12435275bda67db8db6f7265ca6e4fbe2765aa41e2fefc7097d1c849e9b2bd34
AgentTesla
17281e25687b88803fe21608d4c1dca23fe449075c152d97525ba6a61dc35b5c
AgentTesla
2c390aefff5a51f2efb72d4e72b85c033b2d0d5f8f5be7063da2703a8474dc11
AgentTesla
3efa859091d8e7994ad47304244de9b0d14d4cfb5dca3df2a13aa7c0a62a021d
AgentTesla
792bc8203c1c9e51685d264f5bb7a78f3a3fcf15ff7bfba813e2b5affa0909c8
AgentTesla
91a48be7e02365650a7ff0440e261a930cf6363953b4add03e96d6030647d017
AgentTesla
e59a2d783ded475b543d0bff3a5b36ecd5455e988008e7df1d50e733d66e96cd
AgentTesla
f63be70bc011d2549aad48b9ad4fea0784922d36ef4bc3b22590210dbb28fe7f
AgentTesla
+ 18'280 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/220623-trxxfsgga6/
Behaviour
Delays execution with timeout.exe
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
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5310370668:AAEdB2nfvvFj53YoaxJ-AleA2m93WUxxyM0/sendDocument
Unpacked files
SH256 hash:
139da5e39dff492d6163311fdcba5daaf916877cc8575e120ffba9b2bda65536
MD5 hash:
f3c4ce7dd49e5728b3dd941ef7e95313
SHA1 hash:
2c833a4195815f3fdeddc7996e10b17fc2abb3e8
Link:
https://www.unpac.me/results/d26a2dd0-2bca-45ca-9367-d63944cb57a2/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/139da5e39dff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/139da5e39dff492d6163311fdcba5daaf916877cc8575e120ffba9b2bda65536

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 139da5e39dff492d6163311fdcba5daaf916877cc8575e120ffba9b2bda65536

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282684/

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